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  • 1.
    Abdulla, Maysaa
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Laszlo, Sofia
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Triumf, Johanna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Hedström, Gustaf
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Berglund, Mattias
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Karolinska Inst, Dept Biosci & Nutr, Novum, Huddinge, Sweden..
    Enblad, Gunilla
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Amini, Rose-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    A population-based study of cellular markers in R-CHOP treated diffuse large B-cell lymphoma patients2016In: Acta Oncologica, ISSN 0284-186X, E-ISSN 1651-226X, Vol. 55, no 9-10, p. 1126-1131Article in journal (Refereed)
    Abstract [en]

    Aim: To determine the prognostic significance of co-expression of MYC, BCL-2 and BCL-6 proteins in combination with other biomarkers and clinical characteristics within a population-based cohort of diffuse large B-cell lymphoma (DLBCL) patients uniformly treated with R-CHOP.

    Patients and methods: The immunohistochemical (IHC) expression of CD10, BCL-2, BCL-6, MUM1, MYC, CD5, CD30, Ki-67 and p53 was evaluated in a retrospective, population-based study comprising 188 DLBCL patients treated with R-CHOP and diagnosed in Sweden between 2002 and 2012.

    Results: Patients had a median age at diagnosis of 64 years (26-85 years) with a male:female ratio of 1.4:1. Approximately half (52%) of the patients presented with an International Prognostic Index (IPI) age adjusted (IPIaa)2. Median follow-up time was 51 months (range 0.4-158) and the five-year lymphoma-specific survival (LSS) was 76%, five-year overall survival (OS) was 65% and five-year progression-free survival (PFS) was 61%. A high Ki-67 value was found in 59% of patients, while p53 overexpression was detected in 12% of patients and MYC, BCL-2 and BCL-6 expression were detected in 42%, 55% and 74% of patients, respectively. IPIaa2 (p=0.002), Ki-6770% (p=0.04) and p53 overexpression50% (p=0.02) were associated with inferior LSS and OS. Co-expression of both MYC (>40%) and BCL-2 (>70%) proteins was detected in 27% of patients and correlated with a significantly inferior LSS (p=0.0002), OS (p=0.009) and PFS (p=0.03). In addition, triple expression of MYC, BCL-2 and BCL-6, also correlated with a significantly inferior LSS (p=0.02).

    Conclusion: Concurrent expression of MYC and BCL-2 proteins, as detected by IHC, was strongly associated with an inferior survival in DLBCL patients treated with R-CHOP. Other markers affecting survival were triple expression of MYC, BCL-2 and BCL-6, IPIaa, high Ki-67 and p53 overexpression.

  • 2.
    Abdulla, Maysaa
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Univ Uppsala Hosp, S-75185 Uppsala, Sweden..
    Laszlo, Sofia
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Univ Uppsala Hosp, S-75185 Uppsala, Sweden..
    Triumf, Johanna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Univ Uppsala Hosp, S-75185 Uppsala, Sweden..
    Hedström, Gustaf
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Univ Uppsala Hosp, S-75185 Uppsala, Sweden..
    Berglund, Mattias
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Univ Uppsala Hosp, S-75185 Uppsala, Sweden.;Karolinska Inst, Dept Biosci & Nutr, Huddinge, Sweden..
    Enblad, Gunilla
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Univ Uppsala Hosp, S-75185 Uppsala, Sweden..
    Amini, Rose-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Core needle biopsies for the diagnosis of diffuse large B-cell lymphoma - a great concern for research2017In: Acta Oncologica, ISSN 0284-186X, E-ISSN 1651-226X, Vol. 56, no 1, p. 106-109Article in journal (Refereed)
  • 3.
    Abu Hamdeh, Sami
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurosurgery.
    Rollman Waara, Erik
    BioArctic Neurosci AB, Stockholm, Sweden.
    Möller, Christer
    BioArctic Neurosci AB, Stockholm, Sweden.
    Söderberg, Linda
    BioArctic Neurosci AB, Stockholm, Sweden.
    Basun, Hans
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics. BioArctic Neuroscience AB, Stockholm, Sweden.
    Alafuzoff, Irina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Hillered, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurosurgery.
    Lannfelt, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics. BioArctic Neuroscience AB, Stockholm, Sweden.
    Ingelsson, Martin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics.
    Marklund, Niklas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurosurgery.
    Rapid amyloid-β oligomer and protofibril accumulation in traumatic brain injury2018In: Brain Pathology, ISSN 1015-6305, E-ISSN 1750-3639, Vol. 28, no 4, p. 451-462Article in journal (Refereed)
    Abstract [en]

    Deposition of amyloid-β (Aβ) is central to Alzheimer's disease (AD) pathogenesis and associated with progressive neurodegeneration in traumatic brain injury (TBI). We analyzed predisposing factors for Aβ deposition including monomeric Aβ40, Aβ42 and Aβ oligomers/protofibrils, Aβ species with pronounced neurotoxic properties, following human TBI. Highly selective ELISAs were used to analyze N-terminally intact and truncated Aβ40 and Aβ42, as well as Aβ oligomers/protofibrils, in human brain tissue, surgically resected from severe TBI patients (n = 12; mean age 49.5 ± 19 years) due to life-threatening brain swelling/hemorrhage within one week post-injury. The TBI tissues were compared to post-mortem AD brains (n = 5), to post-mortem tissue of neurologically intact (NI) subjects (n = 4) and to cortical biopsies obtained at surgery for idiopathic normal pressure hydrocephalus patients (iNPH; n = 4). The levels of Aβ40 and Aβ42 were not elevated by TBI. The levels of Aβ oligomers/protofibrils in TBI were similar to those in the significantly older AD patients and increased compared to NI and iNPH controls (P < 0.05). Moreover, TBI patients carrying the AD risk genotype Apolipoprotein E epsilon3/4 (APOE ε3/4; n = 4) had increased levels of Aβ oligomers/protofibrils (P < 0.05) and of both N-terminally intact and truncated Aβ42 (P < 0.05) compared to APOE ε3/4-negative TBI patients (n = 8). Neuropathological analysis showed insoluble Aβ aggregates (commonly referred to as Aβ plaques) in three TBI patients, all of whom were APOE ε3/4 carriers. We conclude that soluble intermediary Aβ aggregates form rapidly after TBI, especially among APOE ε3/4 carriers. Further research is needed to determine whether these aggregates aggravate the clinical short- and long-term outcome in TBI.

  • 4.
    Abu Hamdeh, Sami
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurosurgery.
    Virhammar, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurology.
    Sehlin, Dag
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics.
    Alafuzoff, Irina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Cesarini, Kristina G
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurosurgery.
    Marklund, Niklas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Neurosurgery.
    Brain tissue Aβ42 levels are linked to shunt response in idiopathic normal pressure hydrocephalus2018In: Journal of Neurosurgery, ISSN 0022-3085, E-ISSN 1933-0693, p. 1-9Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE The authors conducted a study to test if the cortical brain tissue levels of soluble amyloid beta (Aβ) reflect the propensity of cortical Aβ aggregate formation and may be an additional factor predicting surgical outcome following idiopathic normal pressure hydrocephalus (iNPH) treatment. METHODS Highly selective ELISAs (enzyme-linked immunosorbent assays) were used to quantify soluble Aβ40, Aβ42, and neurotoxic Aβ oligomers/protofibrils, associated with Aβ aggregation, in cortical biopsy samples obtained in patients with iNPH (n = 20), sampled during ventriculoperitoneal (VP) shunt surgery. Patients underwent pre- and postoperative (3-month) clinical assessment with a modified iNPH scale. The preoperative CSF biomarkers and the levels of soluble and insoluble Aβ species in cortical biopsy samples were analyzed for their association with a favorable outcome following the VP shunt procedure, defined as a ≥ 5-point increase in the iNPH scale. RESULTS The brain tissue levels of Aβ42 were negatively correlated with CSF Aβ42 (Spearman's r = -0.53, p < 0.05). The Aβ40, Aβ42, and Aβ oligomer/protofibril levels in cortical biopsy samples were higher in patients with insoluble cortical Aβ aggregates (p < 0.05). The preoperative CSF Aβ42 levels were similar in patients responding (n = 11) and not responding (n = 9) to VP shunt treatment at 3 months postsurgery. In contrast, the presence of cortical Aβ aggregates and high brain tissue Aβ42 levels were associated with a poor outcome following VP shunt treatment (p < 0.05). CONCLUSIONS Brain tissue measurements of soluble Aβ species are feasible. Since high Aβ42 levels in cortical biopsy samples obtained in patients with iNPH indicated a poor surgical outcome, tissue levels of Aβ species may be associated with the clinical response to shunt treatment.

  • 5. Adam, A
    et al.
    Robison, J
    Lu, J
    Jose, R
    Badran, N
    Vivas-Buitrago, T
    Rigamonti, D
    Sattar, A
    Omoush, O
    Hammad, M
    Dawood, M
    Maghaslah, M
    Belcher, T
    Carson, K
    Hoffberger, J
    Jusué Torres, I
    Foley, S
    Yasar, S
    Thai, Q A
    Wemmer, J
    Klinge, P
    Al-Mutawa, L
    Al-Ghamdi, H
    Carson, K A
    Asgari, M
    de Zélicourt, D
    Kurtcuoglu, V
    Garnotel, S
    Salmon, S
    Balédent, O
    Lokossou, A
    Page, G
    Balardy, L
    Czosnyka, Z
    Payoux, P
    Schmidt, E A
    Zitoun, M
    Sevestre, M A
    Alperin, N
    Baudracco, I
    Craven, C
    Matloob, S
    Thompson, S
    Haylock Vize, P
    Thorne, L
    Watkins, L D
    Toma, A K
    Bechter, Karl
    Pong, A C
    Jugé, L
    Bilston, L E
    Cheng, S
    Bradley, W
    Hakim, F
    Ramón, J F
    Cárdenas, M F
    Davidson, J S
    García, C
    González, D
    Bermúdez, S
    Useche, N
    Mejía, J A
    Mayorga, P
    Cruz, F
    Martinez, C
    Matiz, M C
    Vallejo, M
    Ghotme, K
    Soto, H A
    Riveros, D
    Buitrago, A
    Mora, M
    Murcia, L
    Bermudez, S
    Cohen, D
    Dasgupta, D
    Curtis, C
    Domínguez, L
    Remolina, A J
    Grijalba, M A
    Whitehouse, K J
    Edwards, R J
    Eleftheriou, A
    Lundin, F
    Fountas, K N
    Kapsalaki, E Z
    Smisson, H F
    Robinson, J S
    Fritsch, M J
    Arouk, W
    Garzon, M
    Kang, M
    Sandhu, K
    Baghawatti, D
    Aquilina, K
    James, G
    Thompson, D
    Gehlen, M
    Schmid Daners, M
    Eklund, A
    Malm, J
    Gomez, D
    Guerra, M
    Jara, M
    Flores, M
    Vío, K
    Moreno, I
    Rodríguez, S
    Ortega, E
    Rodríguez, E M
    McAllister, J P
    Guerra, M M
    Morales, D M
    Sival, D
    Jimenez, A
    Limbrick, D D
    Ishikawa, M
    Yamada, S
    Yamamoto, K
    Junkkari, A
    Häyrinen, A
    Rauramaa, T
    Sintonen, H
    Nerg, O
    Koivisto, A M
    Roine, R P
    Viinamäki, H
    Soininen, H
    Luikku, A
    Jääskeläinen, J E
    Leinonen, V
    Kehler, U
    Lilja-Lund, O
    Kockum, K
    Larsson, Elna-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology.
    Riklund, K
    Söderström, L
    Hellström, P
    Laurell, K
    Kojoukhova, M
    Sutela, A
    Vanninen, R
    Vanha, K I
    Timonen, M
    Rummukainen, J
    Korhonen, V
    Helisalmi, S
    Solje, E
    Remes, A M
    Huovinen, J
    Paananen, J
    Hiltunen, M
    Kurki, M
    Martin, B
    Loth, F
    Luciano, M
    Luikku, A J
    Hall, A
    Herukka, S K
    Mattila, J
    Lötjönen, J
    Alafuzoff, Irina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Jurjević, I
    Miyajima, M
    Nakajima, M
    Murai, H
    Shin, T
    Kawaguchi, D
    Akiba, C
    Ogino, I
    Karagiozov, K
    Arai, H
    Reis, R C
    Teixeira, M J
    Valêncio, C G
    da Vigua, D
    Almeida-Lopes, L
    Mancini, M W
    Pinto, F C G
    Maykot, R H
    Calia, G
    Tornai, J
    Silvestre, S S S
    Mendes, G
    Sousa, V
    Bezerra, B
    Dutra, P
    Modesto, P
    Oliveira, M F
    Petitto, C E
    Pulhorn, H
    Chandran, A
    McMahon, C
    Rao, A S
    Jumaly, M
    Solomon, D
    Moghekar, A
    Relkin, N
    Hamilton, M
    Katzen, H
    Williams, M
    Bach, T
    Zuspan, S
    Holubkov, R
    Rigamonti, A
    Clemens, G
    Sharkey, P
    Sanyal, A
    Sankey, E
    Rigamonti, K
    Naqvi, S
    Hung, A
    Schmidt, E
    Ory-Magne, F
    Gantet, P
    Guenego, A
    Januel, A C
    Tall, P
    Fabre, N
    Mahieu, L
    Cognard, C
    Gray, L
    Buttner-Ennever, J A
    Takagi, K
    Onouchi, K
    Thompson, S D
    Thorne, L D
    Tully, H M
    Wenger, T L
    Kukull, W A
    Doherty, D
    Dobyns, W B
    Moran, D
    Vakili, S
    Patel, M A
    Elder, B
    Goodwin, C R
    Crawford, J A
    Pletnikov, M V
    Xu, J
    Blitz, A
    Herzka, D A
    Guerrero-Cazares, H
    Quiñones-Hinojosa, A
    Mori, S
    Saavedra, P
    Treviño, H
    Maitani, K
    Ziai, W C
    Eslami, V
    Nekoovaght-Tak, S
    Dlugash, R
    Yenokyan, G
    McBee, N
    Hanley, D F
    Abstracts from Hydrocephalus 2016.2017In: Fluids and Barriers of the CNS, ISSN 2045-8118, E-ISSN 2045-8118, Vol. 14, no Suppl 1, article id 15Article in journal (Refereed)
  • 6.
    Alafuzoff, Irina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Minimal neuropathologic diagnosis for brain banking in the normal middle-aged and aged brain and in neurodegenerative disorders.2018In: Handbook of Clinical Neurology, ISSN 0072-9752, E-ISSN 2212-4152, Vol. 150, p. 131-141, article id B978-0-444-63639-3.00010-4Article in journal (Refereed)
    Abstract [en]

    Research on human brain diseases is currently often conducted on cell cultures and animals. Several questions however can only be addressed by studying human postmortem brain tissue. However, brain tissue obtained postmortem almost always displays pathology that is often related to the aging phenomenon. Thus, in order to be certain that the answers obtained are reliable, a systematic and thorough assessment of the brain tissue to be studied should be carried out. We are currently aware of several protein alterations that are found in middle-aged and aged brains that are obtained from neurologically unimpaired subjects. The most common alteration is hyperphosphorylation of τ, observed in both neurons and glial cells, in certain brain regions, followed by β-amyloid aggregation in the neuropil and vessel walls. Less common protein alterations are those noted for α-synuclein and Tar DNA-binding protein 43. It is noteworthy that these alterations, when found in excess, are diagnostic for various neurodegenerative diseases, such as Alzheimer disease, Pick disease, progressive supranuclear palsy, corticobasal degeneration, Parkinson disease, Lewy body dementia, and frontotemporal lobar degeneration. Since 1990, the neuropathology community has been aware that these protein alterations tend to progress in an orderly neuroanatomically defined manner and have thus designed a method to define a stage or a phase of the protein alteration. The neuropathology community has defined an initiation site, or neuroanatomic area that they presume the alteration originates from, and defined a presumed pattern of progression from the initiation site to other brain areas. Thus a reliable and reproducible description of each case regarding these alterations can be achieved. In addition to the above alterations, the brain tissue is also prone to various vascular alterations that should be registered as seen or not seen even if the significance of these alterations is still unclear.

  • 7.
    Alafuzoff, Irina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Techniques in neuropathology.2017In: Handbook of Clinical Neurology, ISSN 0072-9752, E-ISSN 2212-4152, Vol. 145, p. 3-7, article id B978-0-12-802395-2.00001-8Article in journal (Refereed)
    Abstract [en]

    The primary objective for a neuropathologist is the characterization of the tissue that is being assessed and thus all available techniques ranging from naked-eye examination to assessment of genetic/epigenetic characteristics are currently applied. What is observed in the tissue obtained from a diseased subject is compared with what is observed in a healthy individual and, based on the outcome, neuropathologic definitions of diseases are constructed. Thus, with the naked eye a neuropathologist can confirm that a hemorrhage is observed in the brain, by histologic examination that the hemorrhage is caused by alterations in the brain vessels and, since 1954, applying Congo red dye neuropathologists have been able to state that congophilic angiopathy is detected. Since 1984, applying immunohistochemical methods neuropathologists have been able to verify that the protein seen in the vessel walls is β-amyloid and by genetic/epigenetic analysis eventual mutation or modifications of genome might be detected. The development of new techniques is staggering and throughout this book the authors have listed techniques currently applied while assessing various disease-related hallmark lesions. In the following a general summary of techniques applied is given.

  • 8.
    Alafuzoff, Irina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Hartikainen, Päivi
    Alpha-synucleinopathies.2017In: Handbook of Clinical Neurology, ISSN 0072-9752, E-ISSN 2212-4152, Vol. 145, p. 339-353, article id B978-0-12-802395-2.00024-9Article in journal (Refereed)
    Abstract [en]

    A neurodegenerative disorder displaying an altered α-synuclein (αS) in the brain tissue is called α-synucleinopathy (αS-pathy) and incorporates clinical entities such as Parkinson disease (PD), PD with dementia, dementia with Lewy bodies, and multiple-system atrophy. Neuroradiologic techniques visualizing αS pathology in the brain or assays of αS in the cerebrospinal fluid or blood are probably available and will be implemented in the near future but currently the definite diagnosis of αS-pathy relies on a postmortem examination of the brain. Since the 1980s immunohistochemical technique based on the use of antibodies directed to proteins of interest has become a method of choice for neuropathologic diagnosis. Furthermore, since the 1990s it has been acknowledged that progressions of most neurodegenerative pathologies follow a certain predictable time-related neuroanatomic distribution. Currently, for Lewy body disease, two staging techniques are commonly used: McKeith and Braak staging. Thus, the neuropathologic diagnosis of a αS-pathy is based on detection of altered αS in the tissue and registration of the neuroanatomic distribution of this alteration in the brain. The clinicopathologic correlation is not absolute due to the quite frequent observation of incidental and concomitant αS pathology.

  • 9.
    Alafuzoff, Irina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Kovacs, Gabor G
    Comorbidities.2017In: Handbook of Clinical Neurology, ISSN 0072-9752, E-ISSN 2212-4152, Vol. 145, p. 573-577, article id B978-0-12-802395-2.00036-5Article in journal (Refereed)
    Abstract [en]

    The term comorbidities or mixed pathologies is used when brain tissue, a surgical sample, or postmortem brain displays a mixture of protein alterations or other pathologies. Most of the alterations when seen in sufficient extent are considered causative, are related to a certain clinical phenotype, i.e., when hyperphosphorylated τ (HPτ) is observed in occipital cortex concomitant with β-amyloid (Aβ), the diagnosis is Alzheimer disease (AD). When HPτ is observed in hippocampal structures in a subject with extensive and widespread α-synuclein pathology, a Lewy body disease (LBD), the HPτ pathology is considered as a concomitant alteration. There are numerous reports indicating that when "concomitant" pathologies are seen in a subject with certain neurodegenerative diseases, the clinical phenotype might be altered. In addition there are those cases where many alterations are seen in a sparse extent, but jointly they lead to a clinical syndrome. Thus today it is not sufficient to confirm a certain pathology to be seen, i.e., AD- or LBD-related; in addition the concomitant aging-related alterations have to be looked for.

  • 10.
    Alafuzoff, Irina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Popova, Svetlana N.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Wanders, Alkwin
    Department of Clinical Pathology and Cytology, Umea University Hospital, Umea, Sweden.
    Veress, Bela
    Department of Clinical Pathology and Cytology, Skane University Hospital, Malmo, Sweden.
    Neuronal Protein Alteration in Enteric Dysmotility Syndrome2016In: Journal of Alzheimer’s Disease & Parkinsonism, ISSN 2161-0460, Vol. 6, no 1, article id 1000212Article in journal (Other academic)
  • 11.
    Albertsson-Lindblad, Alexandra
    et al.
    Skane Univ Hosp, Dept Oncol, SE-22185 Lund, Sweden..
    Kolstad, Arne
    Oslo Univ Hosp, Dept Oncol, Oslo, Norway..
    Laurell, Anna
    Univ Uppsala Hosp, Dept Oncol, Uppsala, Sweden..
    Raty, Riikka
    Helsinki Univ Hosp, Dept Hematol, Helsinki, Finland..
    Gronbaek, Kirsten
    Rigshosp, Dept Hematol, Copenhagen, Denmark..
    Sundberg, Jan
    Skane Univ Hosp, Dept Oncol, SE-22185 Lund, Sweden..
    Pedersen, Lone Bredo
    Rigshosp, Dept Hematol, Copenhagen, Denmark..
    Ralfkiaer, Elisabeth
    Rigshosp, Dept Pathol, Copenhagen, Denmark..
    Karjalainen-Lindsberg, Marja-Liisa
    Univ Helsinki, Cent Hosp, Dept Pathol, Helsinki, Finland..
    Sundström, Christer
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Department of Pathology, Uppsala University Hospital, Uppsala, Sweden; and..
    Ehinger, Mats
    Univ Lund Hosp, Dept Pathol Cytol, Lund, Sweden..
    Geisler, Christian
    Rigshosp, Dept Hematol, Copenhagen, Denmark..
    Jerkeman, Mats
    Skane Univ Hosp, Dept Oncol, SE-22185 Lund, Sweden..
    Lenalidomide-bendamustine-rituximab in patients older than 65 years with untreated mantle cell lymphoma2016In: Blood, ISSN 0006-4971, E-ISSN 1528-0020, Vol. 128, no 14, p. 1814-1820Article in journal (Refereed)
    Abstract [en]

    For elderly patients with mantle cell lymphoma (MCL), there is no defined standard therapy. In this multicenter, open-label phase 1/2 trial, we evaluated the addition of lenalidomide (LEN) to rituximab-bendamustine (R-B) as first-line treatment for elderly patients with MCL. Patients >65 years with untreated MCL, stages II-IV were eligible for inclusion. Primary end points were maximally tolerable dose (MTD) of LEN and progression-free survival (PFS). Patients received 6 cycles every four weeks of L-B-R (L D1-14, B 90 mg/m(2) IV, days 1-2 and R 375 mg/m(2) IV, day 1) followed by single LEN (days 1-21, every four weeks, cycles 7-13). Fifty-one patients (median age 71 years) were enrolled from 2009 to 2013. In phase 1, the MTD of LEN was defined as 10 mg in cycles 2 through 6, and omitted in cycle 1. After 6 cycles, the complete remission rate (CRR) was 64%, and 36% were MRD negative. At a median follow-up time of 31 months, median PFS was 42 months and 3-year overall survival was 73%. Infection was the most common nonhematologic grade 3 to 5 event and occurred in 21 (42%) patients. Opportunistic infections occurred in 3 patients: 2 Pneumocystis carinii pneumonia and 1 cytomegalovirus retinitis. Second primary malignancies (SPM) were observed in 8 patients (16%). LEN could safely be combined with R-B when added from the second cycle in patients with MCL, and was associated with a high rate of CR and molecular remission. However, we observed a high degree of severe infections and an unexpected high number of SPMs, which may limit its use. This trial is registered at www.Clinicaltrials.gov as #NCT00963534.

  • 12.
    Amini, Rose-Marie
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Enblad, Gunilla
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Hollander, Peter
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Laszlo, S.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Eriksson, Emma
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical Immunology.
    Gustafsson, Kristin Ayoola
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medicinsk genetik och genomik.
    Loskog, Angelica S.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical Immunology. Lokon Pharma, AB,Uppsala, Sweden.
    Thörn, Ingrid
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Altered profile of immune regulatory cells in the peripheral blood of lymphoma patients2019In: BMC Cancer, ISSN 1471-2407, E-ISSN 1471-2407, Vol. 19, article id 316Article in journal (Refereed)
    Abstract [en]

    Background: Regulatory immune cells may modulate the lymphoma microenvironment and are of great interest due to the increasing prevalence of treatment with immunotherapies in lymphoma patients. The aim was to explore the composition of different immune regulatory cell subsets in the peripheral blood of newly diagnosed lymphoma patients in relation to treatment outcome. Methods: Forty-three newly diagnosed patients with lymphoma were included in the study; 24 with high-grade B-cell lymphoma (HGBCL) and 19 with classical Hodgkin lymphoma (cHL). Peripheral blood was prospectively collected and immune regulatory cells were identified by multi-color flow cytometry and analyzed in relation to healthy blood donors and clinical characteristics and outcome. Results: The percentage of CD3-positive T-cells was lower (p=0.03) in the peripheral blood of lymphoma patients at diagnosis compared to healthy blood donors regardless of lymphoma subtype, although statistically, neither the percentage of monocytes (p=0.2) nor the T-cell/monocyte ratio (p=0.055) differed significantly. A significant decrease in the percentage of a subset of regulatory NK cells (CD7(+)/CD3(-)/CD56(bright)/CD16(dim/-)) was identified in the peripheral blood of lymphoma patients compared to healthy blood donors (p=0.003). Lymphoma patients also had more granulocytic myeloid-derived suppressor cells (MDSCs) (p=0.003) compared to healthy blood donors, whereas monocytic MDSCs did not differ significantly (p=0.07). A superior disease-free survival was observed for cHL patients who had an increase in the percentage of granulocytic MDSCs (p=0.04). Conclusions: An altered profile of immune cells in the peripheral blood with a decrease in T-cells and regulatory NK-cells was observed in newly diagnosed lymphoma patients. CHL patients with higher percentages of regulatory NK cells and higher percentages of granulocytic MDSCs might have a better outcome, although the number of patients was low.

  • 13.
    Amini, Rose-Marie
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Sundström, Christer
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    [Core needle biopsies for lymphoma diagnosis seriously affect diagnostics, treatment development and research].2017In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 114, article id EMDHArticle in journal (Refereed)
    Abstract [sv]

    Core needle biopsies for lymphoma diagnosis seriously affect diagnostics, treatment development and research Core needle biopsies (CNBs) are widely used in clinical diagnostic labs to aid in the diagnosis of malignant lymphomas and in latter years their use is increasing. CNBs provide a rapid method for obtaining tumour material and may be beneficial when the affected lymph nodes are located deep in the abdominal cavity or mediastinum and surgical excisional biopsies may be difficult to perform. However, according to the Swedish Haematopathology Quality and Standardization Committee, CNBs are insufficient for lymphoma diagnostic purposes and the guidelines state that material from surgical excisional biopsies are mandatory in order to obtain a robust histopathological evaluation of the lymph node architecture, cellular composition and growth pattern. Surgical excision biopsies also ensure that adequate material is available if additional molecular analyses should be required and also to facilitate future research.

  • 14.
    Andersson, Sandra
    et al.
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    Nilsson, Kenneth
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Fagerberg, Linn
    Hallstrom, Bjorn M.
    Sundström, Christer
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Danielsson, Angelika
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Edlund, Karolina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Uhlen, Mathias
    Asplund, Anna
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    The Transcriptomic and Proteomic Landscapes of Bone Marrow and Secondary Lymphoid Tissues2014In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 9, no 12, p. e115911-Article in journal (Refereed)
    Abstract [en]

    Background: The sequencing of the human genome has opened doors for global gene expression profiling, and the immense amount of data will lay an important ground for future studies of normal and diseased tissues. The Human Protein Atlas project aims to systematically map the human gene and protein expression landscape in a multitude of normal healthy tissues as well as cancers, enabling the characterization of both housekeeping genes and genes that display a tissue-specific expression pattern. This article focuses on identifying and describing genes with an elevated expression in four lymphohematopoietic tissue types (bone marrow, lymph node, spleen and appendix), based on the Human Protein Atlas-strategy that combines high throughput transcriptomics with affinity-based proteomics. Results: An enriched or enhanced expression in one or more of the lymphohematopoietic tissues, compared to other tissue-types, was seen for 693 out of 20,050 genes, and the highest levels of expression were found in bone marrow for neutrophilic and erythrocytic genes. A majority of these genes were found to constitute well-characterized genes with known functions in lymphatic or hematopoietic cells, while others are not previously studied, as exemplified by C19ORF59. Conclusions: In this paper we present a strategy of combining next generation RNA-sequencing with in situ affinity-based proteomics in order to identify and describe new gene targets for further research on lymphatic or hematopoietic cells and tissues. The results constitute lists of genes with enriched or enhanced expression in the four lymphohematopoietic tissues, exemplified also on protein level with immunohistochemical images.

  • 15.
    Antonodimitrakis, Pantelis Clewemar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Endocrine Tumor Biology.
    Olofsson, Helena
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Grimelius, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Sundin, Anders
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology.
    Wassberg, Cecilia
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology.
    Granberg, Dan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Endocrin Oncology.
    Skogseid, Britt
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Endocrine Tumor Biology.
    Eriksson, Barbro
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Endocrine Tumor Biology.
    Neuroendocrine tumors with syndromic vasoactive intestinal polypeptide hypersecretion: a retrospective study2017In: International Journal of Endocrine Oncology, Vol. 4, no 1, p. 9-22Article in journal (Refereed)
    Abstract [en]

    Aim: Vasoactive intestinal polypeptide producing neuroendocrine tumors are rare and cause severe hormonal symptoms. Patients/methods: Eighteen patients with vasoactive intestinal polypeptide producing neuroendocrine tumors were analyzed with reviews of medical records, radiology and tumor tissue specimens. Results: Twelve patients (67%) had liver metastases at diagnosis. Chemotherapy, somatostatin analogs and interferon were given as medical therapies. Streptozocin/5-fluorouracil produced an objective response in 40% of the evaluable patients. Somatostatin analogs gave a clinical/biochemical response in eight out of nine patients. Transarterial embolization of the liver and peptide receptor radionuclide therapy was given to refractory cases. Sixteen patients died during the observation period. The median overall survival from diagnosis was 102 months. Conclusion: Systemic chemotherapy and somatostatin analogs should be given in cases of advanced disease or for hormonal symptoms.

  • 16.
    Aresdahl, Alexander
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Plastic Surgery.
    Lindell, Björn
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Plastic Surgery.
    Dukic, Milena
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Thor, Andreas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery.
    Congenital granular cell epulis: a case report2015In: Oral and Maxillofacial Surgery Cases, ISSN 2214-5419, Vol. 1, no 1, p. 8-11Article in journal (Refereed)
    Abstract [en]

    Congenital granular cell epulis (CGCE) is an uncommon benign lesion found in newborns. It has predominance for females with an 8:1 ratio in relation to males and is exclusively encountered in the oral cavity. The most affected oral site is located around the canine/incisor region of the maxillary alveolar ridge, where the lesion arises from the soft tissue as a solitary pedunculated mass. CGCE's histogenesis remains obscure and controversial. We present a rare case of 2 separate CGCE lesions adjacent to each other measuring 23 × 18 × 10 and 15 × 10 mm, positioned facially on the right maxillary alveolar process. The patient, a 2-day-old female newborn, did not experience any serious difficulty regarding breathing or deglutition. Complete surgical excision was the treatment of choice in this case, and the procedure was performed under both general and local anesthesia. Histologic and immunohistochemical analysis confirmed the diagnosis of CGCE. The patient showed satisfactory postoperative healing and excellent health at both the 10-day recall appointment and the 6-month follow-up.

  • 17.
    Avenel, Christophe
    et al.
    CADESS Med AB, Uppsala, Sweden.
    Tolf, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Dragomir, Anca
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Carlbom, Ingrid
    Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Visual Information and Interaction. CADESS Med AB, Uppsala, Sweden.
    Glandular Segmentation of Prostate Cancer: An Illustration of How the Choice of Histopathological Stain Is One Key to Success for Computational Pathology2019In: Frontiers in Bioengineering and Biotechnology, E-ISSN 2296-4185, Vol. 7, article id 125Article in journal (Refereed)
    Abstract [en]

    Digital pathology offers the potential for computer-aided diagnosis, significantly reducing the pathologists' workload and paving the way for accurate prognostication with reduced inter-and intra-observer variations. But successful computer-based analysis requires careful tissue preparation and image acquisition to keep color and intensity variations to a minimum. While the human eye may recognize prostate glands with significant color and intensity variations, a computer algorithm may fail under such conditions. Since malignancy grading of prostate tissue according to Gleason or to the International Society of Urological Pathology (ISUP) grading system is based on architectural growth patterns of prostatic carcinoma, automatic methods must rely on accurate identification of the prostate glands. But due to poor color differentiation between stroma and epithelium from the common stain hematoxylin-eosin, no method is yet able to segment all types of glands, making automatic prognostication hard to attain. We address the effect of tissue preparation on glandular segmentation with an alternative stain, Picrosirius red-hematoxylin, which clearly delineates the stromal boundaries, and couple this stain with a color decomposition that removes intensity variation. In this paper we propose a segmentation algorithm that uses image analysis techniques based on mathematical morphology and that can successfully determine the glandular boundaries. Accurate determination of the stromal and glandular morphology enables the identification of the architectural pattern that determine the malignancy grade and classify each gland into its appropriate Gleason grade or ISUP Grade Group. Segmentation of prostate tissue with the new stain and decomposition method has been successfully tested on more than 11000 objects including well-formed glands (Gleason grade 3), cribriform and fine caliber glands (grade 4), and single cells (grade 5) glands.

  • 18.
    Baliakas, Panagiotis
    et al.
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Uppsala Univ Hosp, Dept Clin Genet, Uppsala, Sweden.
    Kättström, Magdalena
    Orebro Univ Hosp, Dept Med, Sect Hematol, Orebro, Sweden.
    Rossing, Maria
    Copenhagen Univ Hosp, Ctr Genom Med, Copenhagen, Denmark.
    Amini, Rose-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Refractory chronic "ITP": When platelet size matters2018In: Clinical Case Reports, E-ISSN 2050-0904, Vol. 6, no 9, p. 1779-1780Article in journal (Refereed)
    Abstract [en]

    Key Clinical Message Inherited conditions associated with thrombocytopenia should be included in the differential diagnosis of young patients with refractory immune thrombocytopenia (ITP), even in the absence of a positive family history. Early identification of such conditions is of vital importance in order to reach the right diagnosis and avoid unnecessary or even harmful medication.

  • 19.
    Benson, Merrill D.
    et al.
    Indiana Univ Sch Med, Dept Pathol & Lab Med, Indianapolis, IN USA.
    Buxbaum, Joel N.
    Scripps Res Inst, Dept Mol Med, La Jolla, CA USA.
    Eisenberg, David S.
    Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA USA.
    Merlini, Giampaolo
    Univ Pavia, Amyloid Res & Treatment Ctr, Pavia, Italy; IRCCS Policlin San Matteo, Pavia, Italy.
    Saraiva, Maria J. M.
    Univ Porto, Inst Mol & Cellular Biol, Amyloid Unit, Porto, Portugal.
    Sekijima, Yoshiki
    Shinshu Univ, Sch Med, Dept Med Neurol & Rheumatol, Matsumoto, Nagano, Japan.
    Sipe, Jean D.
    Boston Univ, Sch Med, Dept Biochem, Boston, MA USA.
    Westermark, Per
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Amyloid nomenclature 2018: recommendations by the International Society of Amyloidosis (ISA) nomenclature committee2018In: Amyloid: Journal of Protein Folding Disorders, ISSN 1350-6129, E-ISSN 1744-2818, Vol. 25, no 4, p. 215-219Article in journal (Refereed)
    Abstract [en]

    The nomenclature committee of the International Society of Amyloidosis (ISA) meets every second year to discuss and formulate recommendations. The conclusions from the discussion at the XVI International Symposium on Amyloidosis in Kumamoto, Japan, 25–29 March 2018 and afterwards are summarized in this Nomenclature Article. From having recommended the use of the designation “amyloid fibril” for in vivo material only, ISA’s nomenclature committee now accepts its use more broadly following the international scientific literature. However, it is important always to stress the origin of the β-fibrils in order to avoid misunderstanding. Given the more broad use of the word “amyloid” several classes of amyloid fibrils may be distinguished. For the medical in vivo situation, and to be included in the amyloid nomenclature list, “amyloid” still means mainly extracellular tissue deposits of protein fibrils, recognized by specific properties, such as green-yellow birefringence after staining with Congo red. It should also be underlined that in vivo amyloid fibrils, in addition to the main protein contain associated compounds, particularly serum amyloid P-component (SAP) and proteoglycans, mainly heparan sulfate proteoglycan. With this definition there are presently 36 human amyloid proteins of which 14 appear only associated with systemic amyloidosis and 19 as localized forms. Three proteins can occur both as localized and systemic amyloidosis. Strictly intracellular aggregates are not included in this list.

  • 20.
    Berglund, David
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical Immunology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Transplantation Surgery.
    Kinch, Amelie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Infectious Diseases.
    Edman, Elin
    Halmstad Hospital.
    Backlin, Carin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Rheumatology.
    Enblad, Gunilla
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Oncology.
    Larsson, Erik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    Molin, Daniel
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Oncology.
    Pauksens, Karlis
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Infectious Diseases.
    Sundström, Christer
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Baecklund, Eva
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Rheumatology.
    Expression of Intratumoral Forkhead Box Protein 3 in Posttransplant Lymphoproliferative Disorders: Clinical Features and Survival Outcomes2015In: Transplantation, ISSN 0041-1337, E-ISSN 1534-6080, Vol. 99, no 5, p. 1036-1042Article in journal (Refereed)
    Abstract [en]

    Background. The infiltration of regulatory T cells (Tregs) in lymphomas is associated with better prognosis for some types of lymphomas, but knowledge of their role in posttransplant lymphoproliferative disorders (PTLDs) is limited. We therefore investigated the association between the expression of the Treg marker forkhead box protein 3 (FoxP3) in biopsies of PTLDs and survival, PTLD subtype, and clinical characteristics.

    Methods. Seventy-four cases of PTLD after solid organ transplantation with sufficient material for further analysis were included from a population-based study of PTLDs in Sweden. The PTLD biopsies were reevaluated and stained with the 236A/E7 antibody to detect FoxP3 in lymphoma tissue. Detailed clinical data were collected retrospectively from medical records.

    Results. Based on a cutoff level of 29 FoxP3+ cells per mm2, most (80%) of the PTLDs were FoxP3-. Forty-seven of 74 PTLDs displayed no FoxP3+ cells at all. The frequency of FoxP3+ cells did not influence median overall survival. The FoxP3- PTLDs were more frequently of T-cell phenotype (P=0.04), located at the graft (P=0.03), occurred earlier after transplantation (P=0.04), were more likely to develop in lung recipients (P=0.04), and in patients that had received anti T-cell globulin as induction therapy (P=0.02). The FoxP3+ PTLDs were associated with hepatitis C seropositivity (P=0.03). In multivariate analysis, B-cell PTLD and hepatitis C infection were independent predictors of FoxP3 positivity.

    Conclusion. Our findings suggest that intratumoral FoxP3+ Tregs do not influence survival in patients with PTLD. FoxP3+ Tregs are rare in PTLD, possibly because of heavy immunosuppression.

  • 21.
    Bergman, Julia
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Botling, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Fagerberg, Linn
    KTH Royal Inst Technol, Sci Life Lab, SE-17121 Stockholm, Sweden.
    Hallström, Björn M.
    KTH Royal Inst Technol, Sci Life Lab, SE-17121 Stockholm, Sweden.
    Djureinovic, Dijana
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Uhlén, Mathias
    KTH Royal Inst Technol, Sci Life Lab, SE-17121 Stockholm, Sweden.
    Ponten, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    The human adrenal gland proteome defined by transcriptomics and antibody-based profiling2017In: Endocrinology, ISSN 0013-7227, E-ISSN 1945-7170, Vol. 158, no 2, p. 239-251Article in journal (Refereed)
    Abstract [en]

    The adrenal gland is a composite endocrine organ with vital functions that include the synthesis and release of glucocorticoids and catecholamines. To define the molecular landscape that underlies the specific functions of the adrenal gland, we combined a genome-wide transcriptomics approach based on mRNA sequencing of human tissues with immunohistochemistry-based protein profiling on tissue microarrays. Approximately two-thirds of all putative protein coding genes were expressed in the adrenal gland and the analysis identified 253 genes with an elevated pattern of expression in the adrenal gland, with only 37 genes showing a markedly higher expression level (>5-fold) in the adrenal gland compared to 31 other normal human tissue types analyzed. The analyses allowed for an assessment of the relative expression levels for well-known proteins involved in adrenal gland function, but also identified previously poorly characterized proteins in the adrenal cortex, such as FERM domain containing 5 (FRMD5) and protein NOV homolog (NOV). In summary, we provide a global analysis of the adrenal gland transcriptome and proteome, with a comprehensive list of genes with elevated expression in the adrenal gland and spatial information with examples of protein expression patterns for corresponding proteins. These genes and proteins constitute important starting points for an improved understanding of the normal function and pathophysiology of the adrenal glands.

  • 22.
    Bondeson, Marie-Louise
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medicinsk genetik och genomik. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Ericson, Katharina
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Univ Uppsala Hosp, Dept Pathol & Cytol, Uppsala, Sweden.
    Gudmundsson, Sanna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medicinsk genetik och genomik. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Ameur, Adam
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Ponten, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Wesström, Jan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Center for Clinical Research Dalarna. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Research group (Dept. of women´s and children´s health), Reproductive Health.
    Frykholm, Carina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medicinsk genetik och genomik. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Wilbe, Maria
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medicinsk genetik och genomik. Uppsala University, Science for Life Laboratory, SciLifeLab.
    A nonsense mutation in CEP55 defines a new locus for a Meckel-like syndrome, an autosomal recessive lethal fetal ciliopathy.2017In: Clinical Genetics, ISSN 0009-9163, E-ISSN 1399-0004, Vol. 92, no 5, p. 510-516Article in journal (Refereed)
    Abstract [en]

    Mutations in genes involved in the cilium-centrosome complex are called ciliopathies. Meckel-Gruber syndrome (MKS) is a ciliopathic lethal autosomal recessive syndrome characterized by genetically and clinically heterogeneous manifestations, including renal cystic dysplasia, occipital encephalocele and polydactyly. Several genes have previously been associated with MKS and MKS-like phenotypes, but there are still genes remaining to be discovered. We have used whole exome sequencing (WES) to uncover the genetics of a suspected autosomal recessive Meckel syndrome phenotype in a family with two affected fetuses. RNA studies and histopathological analysis was performed for further delineation. WES lead to identification of a homozygous nonsense mutation c.256C>T (p.Arg86*) in CEP55 (centrosomal protein of 55 kDa) in the affected fetus. The variant has previously been identified in carriers in low frequencies, and segregated in the family. CEP55 is an important centrosomal protein required for the mid-body formation at cytokinesis. Our results expand the list of centrosomal proteins implicated in human ciliopathies and provide evidence for an essential role of CEP55 during embryogenesis and development of disease.

  • 23.
    Botling, Johan
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Micke, Patrick
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Biobanking of fresh frozen tissue from clinical surgical specimens: transport logistics, sample selection, and histologic characterization.2011In: Methods in Molecular Biology, ISSN 1064-3745, E-ISSN 1940-6029, Vol. 675, p. 299-306Article in journal (Refereed)
    Abstract [en]

    Access to high-quality fresh frozen tissue is critical for translational cancer research and molecular -diagnostics. Here we describe a workflow for the collection of frozen solid tissue samples derived from fresh human patient specimens after surgery. The routines have been in operation at Uppsala University Hospital since 2001. We have integrated cryosection and histopathologic examination of each biobank sample into the biobank manual. In this way, even small, macroscopically ill-defined lesions can be -procured without a diagnostic hazard due to the removal of uncharacterized tissue from a clinical -specimen. Also, knowledge of the histomorphology of the frozen tissue sample - tumor cell content, stromal components, and presence of necrosis - is pivotal before entering a biobank case into costly molecular profiling studies.

  • 24.
    Botling, Johan
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Sandelin, Martin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Immune Biomarkers on the Radar-Comprehensive "Immunograms" for Multimodal Treatment Prediction2017In: Journal of Thoracic Oncology, ISSN 1556-0864, E-ISSN 1556-1380, Vol. 12, no 5, p. 770-772Article in journal (Other academic)
  • 25. Brauner, S.
    et al.
    Zhou, W.
    Backlin, Carin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Rheumatology.
    Green, T. M.
    Folkersen, L.
    Ivanchenko, M.
    Lofstrom, B.
    Xu-Monette, Z. Y.
    Young, K. H.
    Pedersen, L. Moller
    Moller, M. Boe
    Sundström, Christer
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Enblad, G.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Radiology, Oncology and Radiation Science, Oncology.
    Baecklund, Eva
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Rheumatology.
    Wahren-Herlenius, M.
    Reduced expression of TRIM21/Ro52 predicts poor prognosis in diffuse large B-cell lymphoma patients with and without rheumatic disease2015In: Journal of Internal Medicine, ISSN 0954-6820, E-ISSN 1365-2796, Vol. 278, no 3, p. 323-332Article in journal (Refereed)
    Abstract [en]

    ObjectiveTRIM21 (also known as Ro52) is an autoantigen in rheumatic disease and is predominantly expressed in leucocytes. Overexpression is associated with decreased proliferation, and the TRIM21 gene maps to a tumour suppressor locus. We therefore investigated the expression of TRIM21 in patients with diffuse large B-cell lymphoma (DLBCL) and its potential usefulness as a prognostic biomarker. Materials and methodsTRIM21 expression levels were assessed by immunohistochemistry in lymphoma biopsies from three cohorts of patients with DLBCL: 42 patients with rheumatic disease treated with a cyclophosphamide, vincristine, doxorubicin and prednisone (CHOP)-like regimen, 76 CHOP-treated and 196 rituximab-CHOP-treated nonrheumatic patients. Expression was correlated with clinical and biomedical parameters. TRIM21 expression was assessed in relation to lymphocyte proliferation by quantitative PCR and correlated with H-3-thymidine incorporation and propidium iodine staining. ResultsTRIM21 expression levels differed in the lymphomas compared to normal lymphoid tissue, with reduced expression correlating with shorter overall survival in all three cohorts. In the two larger cohorts, progression-free survival was assessed and was also found to correlate with TRIM21 expression. The association was independent of commonly used clinical prognostic scores, lymphoma subtype and several previously reported prognostic biomarkers. In agreement with this clinical observation, we noted an inverse correlation between TRIM21 expression and proliferation of leucocytes invitro. ConclusionsWe show that loss of TRIM21 expression is associated with more aggressive lymphoma and increased proliferation, whereas maintenance of TRIM21 expression is associated with better prognosis in patients with DLBCL. Based on our findings, we suggest that TRIM21 should be considered as a novel biomarker for lymphoma characterization and for predicting patient survival.

  • 26.
    Bremer, Troy
    et al.
    PreludeDx, 26051 Merit Circle Suite 102, Laguna Hills, CA 92653 USA.
    Whitworth, Pat W.
    Nashville Breast Ctr, Nashville, TN USA.
    Patel, Rakesh
    Good Samaritan Canc Ctr, Los Gatos, CA USA.
    Savala, Jess
    PreludeDx, 26051 Merit Circle Suite 102, Laguna Hills, CA 92653 USA.
    Barry, Todd
    Spectrum Pathol Inc, Mission Viejo, CA USA.
    Lyle, Stephen
    Univ Massachusetts, Sch Med, Worcester, MA USA.
    Leesman, Glen
    PreludeDx, 26051 Merit Circle Suite 102, Laguna Hills, CA 92653 USA.
    Linke, Steven P.
    Steven P Linke Consulting, Carlsbad, CA USA.
    Jirstrom, Karin
    Lund Univ, Div Oncol & Pathol, Dept Clin Sci, Lund, Sweden.
    Zhou, Wenjing
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Endocrine Surgery.
    Amini, Rose-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Wärnberg, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Endocrine Surgery.
    A Biological Signature for Breast Ductal Carcinoma In Situ to Predict Radiotherapy Benefit and Assess Recurrence Risk2018In: Clinical Cancer Research, ISSN 1078-0432, E-ISSN 1557-3265, Vol. 24, no 23, p. 5895-5901Article in journal (Refereed)
    Abstract [en]

    Purpose: Ductal carcinoma in situ (DCIS) patients and their physicians currently face challenging treatment decisions with limited information about the individual's subsequent breast cancer risk or treatment benefit. The DCI-SionRT biological signature developed in this study provides recurrence risk and predicts radiotherapy (RT) benefit for DCIS patients following breast-conserving surgery (BCS). Experimental Design: A biological signature that calculates an individualized Decision Score (DS) was developed and cross-validated in 526 DCIS patients treated with BCS = RT. The relationship was assessed between DS and 10-year risk of invasive breast cancer (IBC) or any ipsilateral breast event (IBE), including IBC or DCIS. RT benefit was evaluated by risk group and as a function of DS. Results: The DS was significantly associated with IBC and IBE risk, HR (per 5 units) of 4.2 and 3.1, respectively. For patients treated without RT, DS identified a Low Group with 10-year IBC risk of 4% (7% IBE) and an Elevated Risk Group with IBC risk of 15% (23% IBE). In analysis of DS and RT by group, the Elevated Risk Group received significant RT benefit, HR of 0.3 for IBC and IBE. In a clinicopathologically low-risk subset, DS reclassified 42% of patients into the Elevated Risk Group. In an interaction analysis of DS and RT, patients with elevated DS had significant RT benefit over baseline. Conclusions: The DS was prognostic for risk and predicted RT benefit for DCIS patients. DS identified a clinically meaningful low-risk group and a group with elevated 10-year risks that received substantial RT benefit over baseline.

  • 27.
    Brodin, Bertha A.
    et al.
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol MTC, Stockholm, Sweden.
    Wennerberg, Krister
    Univ Helsinki, Inst Mol Med Finland FIMM, Helsinki, Finland; Univ Copenhagen, BRIC, Copenhagen, Denmark.
    Lidbrink, Elisabet
    Karolinska Univ Hosp, Dept Breast Canc Endocrine Tumors & Sarcoma, Stockholm, Sweden.
    Brosjö, Otte
    Karolinska Univ Hosp, Dept Tumor Orthoped, Stockholm, Sweden.
    Potdar, Swapnil
    Univ Helsinki, Inst Mol Med Finland FIMM, Helsinki, Finland.
    Wilson, Jennifer N.
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol MTC, Stockholm, Sweden.
    Ma, Limin
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol MTC, Stockholm, Sweden.
    Moens, Lotte
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Hesla, Asle
    Karolinska Univ Hosp, Dept Tumor Orthoped, Stockholm, Sweden.
    Porovic, Edvin
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol MTC, Stockholm, Sweden.
    Bernhardsson, Edvin
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol MTC, Stockholm, Sweden.
    Papakonstantinou, Antroula
    Karolinska Univ Hosp, Dept Breast Canc Endocrine Tumors & Sarcoma, Stockholm, Sweden; Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden.
    Bauer, Henrik
    Karolinska Univ Hosp, Dept Tumor Orthoped, Stockholm, Sweden.
    Tsagkozis, Panagiotis
    Karolinska Univ Hosp, Dept Tumor Orthoped, Stockholm, Sweden; Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden.
    von Sivers, Karin
    Karolinska Univ Hosp, Dept Radiol, Stockholm, Sweden.
    Wejde, Johan
    Karolinska Univ Hosp, Dept Cytol & Pathol, Stockholm, Sweden.
    Ostling, Paivi
    Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden.
    Kallioniemi, Olli
    Karolinska Inst, Dept Oncol Pathol, Stockholm, Sweden.
    Stragliotto, Christina Linder
    Karolinska Univ Hosp, Dept Breast Canc Endocrine Tumors & Sarcoma, Stockholm, Sweden.
    Drug sensitivity testing on patient-derived sarcoma cells predicts patient response to treatment and identifies c-Sarc inhibitors as active drugs for translocation sarcomas2019In: British Journal of Cancer, ISSN 0007-0920, E-ISSN 1532-1827, Vol. 120, no 4, p. 435-443Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Heterogeneity and low incidence comprise the biggest challenge in sarcoma diagnosis and treatment. Chemotherapy, although efficient for some sarcoma subtypes, generally results in poor clinical responses and is mostly recommended for advanced disease. Specific genomic aberrations have been identified in some sarcoma subtypes but few of them can be targeted with approved drugs. METHODS: We cultured and characterised patient-derived sarcoma cells and evaluated their sensitivity to 525 anti-cancer agents including both approved and non-approved drugs. In total, 14 sarcomas and 5 healthy mesenchymal primary cell cultures were studied. The sarcoma biopsies and derived cells were characterised by gene panel sequencing, cancer driver gene expression and by detecting specific fusion oncoproteins in situ in sarcomas with translocations. RESULTS: Soft tissue sarcoma cultures were established from patient biopsies with a success rate of 58%. The genomic profile and drug sensitivity testing on these samples helped to identify targeted inhibitors active on sarcomas. The cSrc inhibitor Dasatinib was identified as an active drug in sarcomas carrying chromosomal translocations. The drug sensitivity of the patient sarcoma cells ex vivo correlated with the response to the former treatment of the patient. CONCLUSIONS: Our results show that patient-derived sarcoma cells cultured in vitro are relevant and practical models for genotypic and phenotypic screens aiming to identify efficient drugs to treat sarcoma patients with poor treatment options.

  • 28.
    Brunnstrom, Hans
    et al.
    Reg Labs Reg Skane, Dept Pathol, SE-22185 Lund, Sweden.;Lund Univ, Div Oncol & Pathol, Dept Clin Sci Lund, Lund, Sweden..
    Johansson, Anna
    Reg Labs Reg Skane, Dept Pathol, SE-22185 Lund, Sweden.;Lund Univ, Div Oncol & Pathol, Dept Clin Sci Lund, Lund, Sweden..
    Westbom-Fremer, Sofia
    Reg Labs Reg Skane, Dept Pathol, SE-22185 Lund, Sweden..
    Backman, Max
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Djureinovic, Dijana
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Patthey, Annika
    Umea Univ Hosp, Dept Pathol, Umea, Sweden..
    Isaksson-Mettvainio, Martin
    Umea Univ Hosp, Dept Pathol, Umea, Sweden..
    Gulyas, Miklos
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Micke, Patrick
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    PD-L1 immunohistochemistry in clinical diagnostics of lung cancer: inter-pathologist variability is higher than assay variability2017In: Modern Pathology, ISSN 0893-3952, E-ISSN 1530-0285, Vol. 30, no 10, p. 1411-1421Article in journal (Refereed)
    Abstract [en]

    Assessment of programmed cell death ligand 1 (PD-L1) immunohistochemical staining is used for decision on treatment with programmed cell death 1 and PD-L1 checkpoint inhibitors in lung adenocarcinomas and squamous cell carcinomas. This study aimed to compare the staining properties of tumor cells between the antibody clones 28-8, 22C3, SP142, and SP263 and investigate interrater variation between pathologists to see if these stainings can be safely evaluated in the clinical setting. Using consecutive sections from a tissue microarray with tumor tissue from 55 resected lung cancer cases, staining with five PD-L1 assays (28-8 from two different vendors, 22C3, SP142, and SP263) was performed. Seven pathologists individually evaluated the percentage of positive tumor cells, scoring each sample applying cutoff levels used in clinical studies: < 1% positive tumor cells (score 0), 1-4% (score 1), 5-9% (score 2), 10-24% (score 3), 25-49% (score 4), and > 50% positive tumor cells (score 5). Pairwise analysis of antibody clones showed weighted kappa values in the range of 0.45-0.91 with the highest values for comparisons with 22C3 and 28-8 and the lowest involving SP142. Excluding SP142 resulted in kappa 0.75-0.91. Weighted kappa for interobserver variation between pathologists was 0.71-0.96. Up to 20% of the cases were differently classified as positive or negative by any pathologist compared with consensus score using >= 1% positive tumor cells as cutoff. A significantly better agreement between pathologists was seen using >= 50% as cutoff (0-5% of cases). In conclusion, the concordance between the PD-L1 antibodies 22C3, 28-8 and SP263 is relatively good when evaluating lung cancers and suggests that any one of these assays may be sufficient as basis for decision on treatment with nivolumab, pembrolizumab, and durvalumab. The scoring of the pathologist presents an intrinsic source of error that should be considered especially at low PD-L1 scores.

  • 29.
    Byström, Sanna
    et al.
    KTH Royal Inst Technol, Affin Prote, SciLifeLab, S-17165 Solna, Sweden..
    Fredolini, Claudia
    KTH Royal Inst Technol, Affin Prote, SciLifeLab, S-17165 Solna, Sweden..
    Edqvist, Per-Henrik D
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Nyaiesh, Etienne-Nicholas
    KTH Royal Inst Technol, Affin Prote, SciLifeLab, S-17165 Solna, Sweden..
    Drobin, Kimi
    KTH Royal Inst Technol, Affin Prote, SciLifeLab, S-17165 Solna, Sweden..
    Uhlen, Mathias
    KTH Royal Inst Technol, Affin Prote, SciLifeLab, S-17165 Solna, Sweden..
    Bergqvist, Michael
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Centre for Research and Development, Gävleborg. Gavle Sjukhus, S-80188 Gavle, Sweden.;Umea Univ, Dept Radiat Sci, S-90187 Umea, Sweden..
    Ponten, Fredrik
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Schwenk, Jochen M.
    KTH Royal Inst Technol, Affin Prote, SciLifeLab, S-17165 Solna, Sweden..
    Affinity Proteomics Exploration of Melanoma Identifies Proteins in Serum with Associations to T-Stage and Recurrence2017In: Translational Oncology, ISSN 1944-7124, E-ISSN 1936-5233, Vol. 10, no 3, p. 385-395Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: Blood-based proteomic profiling may aid and expand our understanding of diseases and their different phenotypes. The aim of the presented study was to profile serum samples from patients with malignant melanoma using affinity proteomic assays to describe proteins in the blood stream that are associated to stage or recurrence of melanoma. MATERIAL AND METHODS: Multiplexed protein analysis was conducted using antibody suspension bead arrays. A total of 232 antibodies against 132 proteins were selected from (i) a screening with 4595 antibodies and 32 serum samples from melanoma patients and controls, (ii) antibodies used for immunohistochemistry, (iii) protein targets previously related with melanoma. The analysis was performed with 149 serum samples from patients with malignant melanoma. Antibody selectivity was then assessed by Western blot, immunocapture mass spectrometry, and epitope mapping. Lastly, indicative antibodies were applied for IHC analysis of melanoma tissues. RESULTS: Serum levels of regucalcin (RGN) and syntaxin 7 (STX7) were found to be lower in patients with both recurring tumors and a high Breslow's thickness (T-stage 3/4) compared to low thickness (T-stage 1/2) without disease recurrence. Serum levels of methylenetetrahydrofolate dehydrogenase 1-like (MTHFD1L) were instead elevated in sera of T3/4 patients with recurrence. The analysis of tissue sections with S100A6 and MTHFD1L showed positive staining in a majority of patients with melanoma, and S100A6 was significantly associated to T-stage. CONCLUSIONS: Our findings provide a starting point to further study RGN, STX7, MTHFD1L and S100A6 in serum to elucidate their involvement in melanoma progression and to assess a possible contribution to support clinical indications.

  • 30. Cadenas, Cristina
    et al.
    Vosbeck, Sonja
    Edlund, Karolina
    Grgas, Katharina
    Madjar, Katrin
    Hellwig, Birte
    Adawy, Alshaimaa
    Glotzbach, Annika
    Stewart, Joanna D.
    Lesjak, Michaela S.
    Franckenstein, Dennis
    Claus, Maren
    Hayen, Heiko
    Schriewer, Alexander
    Gianmoena, Kathrin
    Thaler, Sonja
    Schmidt, Marcus
    Micke, Patrick
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Pontén, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Mardinoglu, Adil
    Zhang, Cheng
    Käfferlein, Heiko U.
    Watzl, Carsten
    Frank, Saša
    Rahnenführer, Jörg
    Marchan, Rosemarie
    Hengstler, Jan G.
    LIPG-promoted lipid storage mediates adaptation to oxidative stress in breast cancer2019In: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 145, no 4, p. 901-915Article in journal (Refereed)
    Abstract [en]

    Endothelial lipase (LIPG) is a cell surface associated lipase that displays phospholipase A1 activity towards phosphatidylcholine present in high‐density lipoproteins (HDL). LIPG was recently reported to be expressed in breast cancer and to support proliferation, tumourigenicity and metastasis. Here we show that severe oxidative stress leading to AMPK activation triggers LIPG upregulation, resulting in intracellular lipid droplet accumulation in breast cancer cells, which supports survival. Neutralizing oxidative stress abrogated LIPG upregulation and the concomitant lipid storage. In human breast cancer, high LIPG expression was observed in a limited subset of tumours and was significantly associated with shorter metastasis‐free survival in node‐negative, untreated patients. Moreover, expression of PLIN2 and TXNRD1 in these tumours indicated a link to lipid storage and oxidative stress. Altogether, our findings reveal a previously unrecognized role for LIPG in enabling oxidative stress‐induced lipid droplet accumulation in tumour cells that protects against oxidative stress, and thus supports tumour progression.

  • 31.
    Cao, Junyue
    et al.
    Univ Washington, Seattle, WA 98195 USA..
    Packer, Jonathan
    Univ Washington, Seattle, WA 98195 USA..
    Waterston, Robert
    Univ Washington, Seattle, WA 98195 USA..
    Trapnell, Cole
    Univ Washington, Seattle, WA 98195 USA..
    Shendure, Jay
    Univ Washington, Seattle, WA 98195 USA..
    Rajaram, Satwik
    Univ Texas Southwestern, Dallas, TX USA..
    Wu, Lani F.
    Univ Calif San Francisco, San Francisco, CA 94143 USA..
    Altschuler, Steven J.
    Univ Calif San Francisco, San Francisco, CA 94143 USA..
    Liang, Jackson
    Stanford Univ, Stanford, CA 94305 USA..
    O'Brien, Lucy Erin
    Stanford Univ, Stanford, CA 94305 USA..
    Eizenberg-Magar, Inbal
    Weizmann Inst Sci, Dept Immunol, Rehovot, Israel..
    Rimer, Jacob
    Weizmann Inst Sci, Dept Immunol, Rehovot, Israel..
    Friedman, Nir
    Weizmann Inst Sci, Dept Immunol, Rehovot, Israel..
    Metzl-Raz, Eyal
    Weizmann Inst Sci, Rehovot, Israel..
    Kafri, Moshe
    Weizmann Inst Sci, Rehovot, Israel..
    Yaakov, Gilad
    Weizmann Inst Sci, Rehovot, Israel..
    Soifer, Ilya
    Weizmann Inst Sci, Rehovot, Israel..
    Gurvich, Yonat
    Weizmann Inst Sci, Rehovot, Israel..
    Barkai, Naama
    Weizmann Inst Sci, Rehovot, Israel..
    Mardinoglu, Adil
    KTH Royal Inst Technol, Sci Life Lab, Stockholm, Sweden..
    Pontén, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Uhlen, Mathias
    KTH Royal Inst Technol, Sci Life Lab, Stockholm, Sweden..
    Rahi, Sahand Jamal
    Rockefeller Univ, 1230 York Ave, New York, NY 10021 USA..
    Cross, Frederick R.
    Rockefeller Univ, 1230 York Ave, New York, NY 10021 USA..
    Baumgart, Meike
    Forschungszentrum Julich, IBG Biotechnol 1, Julich, Germany..
    Noack, Stephan
    Forschungszentrum Julich, IBG Biotechnol 1, Julich, Germany..
    Principles of Systems Biology, No. 21: Editorial2017In: CELL SYSTEMS, ISSN 2405-4712, Vol. 5, no 3, p. 158-160Article in journal (Other academic)
    Abstract [en]

    This month: relating single cells to populations (Cao/Packer, Wu/Altschuler, O'Brien, Friedman), an excess of ribosomes (Barkai), human pathology atlas (Uhlen), signatures of feedback (Rahi), and major genome redesign (Baumgart).

  • 32.
    Casar Borota, Olivera
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Bollerslev, Jens
    Univ Oslo, Oslo, Norway.
    Pontén, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Immunohistochemistry for transcription factor T-Pit as a tool in diagnostics of corticotroph pituitary tumours2018In: Pituitary, ISSN 1386-341X, E-ISSN 1573-7403, Vol. 21, no 4, p. 443-443Article in journal (Other academic)
  • 33.
    Casar Borota, Olivera
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Botling, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Granberg, Dan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Endocrin Oncology.
    Stigare, Jerker
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
    Wikström, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology.
    Boldt, Henning Bünsow
    Kristensen, Bjarne Winther
    Ponten, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Trouillas, Jacqueline
    Serotonin, ATRX, and DAXX Expression in Pituitary Adenomas: Markers in the Differential Diagnosis of Neuroendocrine Tumors of the Sellar Region.2017In: American Journal of Surgical Pathology, ISSN 0147-5185, E-ISSN 1532-0979, Vol. 41, no 9, p. 1238-1246Article in journal (Refereed)
    Abstract [en]

    Differential diagnosis based on morphology and immunohistochemistry between a clinically nonfunctioning pituitary neuroendocrine tumor (NET)/pituitary adenoma and a primary or secondary NET of nonpituitary origin in the sellar region may be difficult. Serotonin, a frequently expressed marker in the NETs, has not been systematically evaluated in pituitary NETs. Although mutations in ATRX or DAXX have been reported in a significant proportion of pancreatic NETs, the mutational status of ATRX and DAXX and their possible pathogenetic role in pituitary NETs are unknown. Facing a difficult diagnostic case of an invasive serotonin and adrenocorticotroph hormone immunoreactive NET in the sellar region, we explored the immunohistochemical expression of serotonin, ATRX, and DAXX in a large series of pituitary endocrine tumors of different types from 246 patients and in 2 corticotroph carcinomas. None of the pituitary tumors expressed serotonin, suggesting that serotonin immunoreactive sellar tumors represent primary or secondary NETs of nonpituitary origin. Normal expression of ATRX and DAXX in pituitary tumors suggests that ATRX and DAXX do not play a role in the pathogenesis of pituitary endocrine tumors that remain localized to the sellar and perisellar region. A lack of ATRX or DAXX in a sellar NET suggests a nonpituitary NET, probably of pancreatic origin. One of the 2 examined corticotroph carcinomas, however, demonstrated negative ATRX immunolabeling due to an ATRX gene mutation. Further studies on a larger cohort of pituitary carcinomas are needed to clarify whether ATRX mutations may contribute to the metastatic potential in a subset of pituitary NETs.

  • 34.
    Cedervall, Jessica
    et al.
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Dragomir, Anca
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Saupe, Falk
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Zhang, Yanyu
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Ärnlöv, Johan
    Karolinska Inst, Dept Neurobiol Care Sci & Soc, Divis Family Med, Huddinge, Sweden.
    Larsson, Erik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Dimberg, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Vascular Biology.
    Larsson, Anders
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Clinical Chemistry.
    Olsson, Anna-Karin
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Pharmacological targeting of peptidylarginine deiminase 4 prevents cancer-associated kidney injury in mice.2017In: Oncoimmunology, ISSN 2162-4011, E-ISSN 2162-402X, Vol. 6, no 8, article id e1320009Article in journal (Refereed)
    Abstract [en]

    Renal insufficiency is a frequent cancer-associated problem affecting more than half of all cancer patients at the time of diagnosis. To minimize nephrotoxic effects the dosage of anticancer drugs are reduced in these patients, leading to sub-optimal treatment efficacy. Despite the severity of this cancer-associated pathology, the molecular mechanisms, as well as therapeutic options, are still largely lacking. We here show that formation of intravascular tumor-induced neutrophil extracellular traps (NETs) is a cause of kidney injury in tumor-bearing mice. Analysis of clinical biomarkers for kidney function revealed impaired creatinine clearance and elevated total protein levels in urine from tumor-bearing mice. Electron microscopy analysis of the kidneys from mice with cancer showed reversible pathological signs such as mesangial hypercellularity, while permanent damage such as fibrosis or necrosis was not observed. Removal of NETs by treatment with DNase I, or pharmacological inhibition of the enzyme peptidylarginine deiminase 4 (PAD4), was sufficient to restore renal function in mice with cancer. Tumor-induced systemic inflammation and impaired perfusion of peripheral vessels could be reverted by the PAD4 inhibitor. In conclusion, the current study identifies NETosis as a previously unknown cause of cancer-associated renal dysfunction and describes a novel promising approach to prevent renal failure in individuals with cancer.

  • 35.
    Charkhkar, Ellahe
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Westermark, Per
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    The challenging histological diagnosis of transthyretin (ATTR) amyloidosis2017In: Amyloid: Journal of Protein Folding Disorders, ISSN 1350-6129, E-ISSN 1744-2818, Vol. 24, no S1, p. 130-131Article in journal (Other academic)
  • 36.
    Dahlin, Joakim S.
    et al.
    Karolinska Univ Hosp, Karolinska Inst, Dept Med, Stockholm, Sweden..
    Ekoff, Maria
    Karolinska Univ Hosp, Karolinska Inst, Dept Med, Stockholm, Sweden..
    Grootens, Jennine
    Karolinska Univ Hosp, Karolinska Inst, Dept Med, Stockholm, Sweden..
    Löf, Liza
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular tools. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Amini, Rose-Marie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Hagberg, Hans
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Ungerstedt, Johanna S.
    Karolinska Inst, Dept Med Huddinge, Stockholm, Sweden.;Karolinska Univ Hosp, Hematol Ctr, Stockholm, Sweden..
    Olsson-Strömberg, Ulla
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Haematology.
    Nilsson, Gunnar
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Haematology. Karolinska Univ Hosp, Karolinska Inst, Dept Med, Stockholm, Sweden.
    KIT signaling is dispensable for human mast cell progenitor development2017In: Blood, ISSN 0006-4971, E-ISSN 1528-0020, Vol. 130, no 16, p. 1785-1794Article in journal (Refereed)
    Abstract [en]

    Human hematopoietic progenitors are generally assumed to require stem cell factor (SCF) and KIT signaling during differentiation for the formation of mast cells. Imatinib treatment, which inhibits KIT signaling, depletes mast cells in vivo. Furthermore, the absence of SCF or imatinib treatment prevents progenitors from developing into mast cells in vitro. However, these observations do not mean that mast cell progenitors require SCF and KIT signaling throughout differentiation. Here, we demonstrate that circulating mast cell progenitors are present in patients undergoing imatinib treatment. In addition, we show that mast cell progenitors from peripheral blood survive, mature, and proliferate without SCF and KIT signaling in vitro. Contrary to the prevailing consensus, our results show that SCF and KIT signaling are dispensable for early mast cell development.

  • 37.
    Dietel, M.
    et al.
    Charite Berlin Mitte, Inst Pathol, Berlin, Germany.
    Savelov, N.
    Moscow Oncol Hosp, Moscow, Russia.
    Salanova, R.
    Hosp Gastroenterol Dr Carlos Bonorino Udaondo, Buenos Aires, DF, Argentina.
    Micke, Patrick
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Bigras, G.
    Univ Alberta, Cross Canc Inst, Edmonton, AB, Canada.
    Hida, T.
    Aichi Canc Ctr, Dept Thorac Oncol, Nagoya, Aichi, Japan.
    Piperdi, B.
    Merck & Co Inc, Kenilworth, NJ USA.
    Burke, T.
    Merck & Co Inc, Kenilworth, NJ USA.
    Khambata-Ford, S.
    Merck & Co Inc, Kenilworth, NJ USA.
    Deitz, A.
    Merck & Co Inc, Kenilworth, NJ USA.
    30O Real-world prevalence of PD-L1 expression in locally advanced or metastatic non-small cell lung cancer (NSCLC): The global, multicentre EXPRESS study2018In: Journal of Thoracic Oncology, ISSN 1556-0864, E-ISSN 1556-1380, Vol. 13, no 4, p. S74-S75Article in journal (Other academic)
  • 38.
    Djureinovic, Dijana
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Dodig-Crnkovic, Tea
    Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden.
    Hellström, Cecilia
    Affinity Proteomics, SciLifeLab, School of Biotechnology, KTH - Royal Institute of Technology, Solna, Sweden.
    Holgersson, Georg
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Bergqvist, Michael
    Department of Oncology, Gavle Hospital, Gavle, Sweden..
    Mattsson, Johanna Sofia Margareta
    Uppsa