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  • 1.
    Horie, Masafumi
    et al.
    Univ Tokyo, Grad Sch Med, Dept Resp Med, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan;Univ Tokyo, Div Hlth Serv Promot, Bunkyo Ku, 7-3-1 Hongo, Tokyo, Japan;RIKEN, Ctr Life Sci Technol, DGT, Tsurumi Ku, 1-7-22 Suehiro Cho, Yokohama, Kanagawa, Japan.
    Miyashita, Naoya
    Univ Tokyo, Grad Sch Med, Dept Resp Med, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.
    Mattsson, Johanna Sofia Margareta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Mikami, Yu
    Univ Tokyo, Grad Sch Med, Dept Resp Med, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.
    Sandelin, Martin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Experimental and Clinical Oncology.
    Brunnstrom, Hans
    Lund Univ, Dept Clin Sci Lund, Lab Med Reg Skane, Pathol, Lund, Sweden.
    Micke, Patrick
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Clinical and experimental pathology.
    Nagase, Takahide
    Univ Tokyo, Grad Sch Med, Dept Resp Med, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.
    Saito, Akira
    Univ Tokyo, Grad Sch Med, Dept Resp Med, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan;Univ Tokyo, Div Hlth Serv Promot, Bunkyo Ku, 7-3-1 Hongo, Tokyo, Japan.
    An integrative transcriptome analysis reveals a functional role for thyroid transcription factor-1 in small cell lung cancer2018In: Journal of Pathology, ISSN 0022-3417, E-ISSN 1096-9896, Vol. 246, no 2, p. 154-165Article in journal (Refereed)
    Abstract [en]

    Small cell lung cancer (SCLC) is a neuroendocrine tumour that exhibits rapid growth and metastatic spread. Although SCLC represents a prototypically undifferentiated cancer type, thyroid transcription factor-1 (TTF-1, gene symbol NKX2-1), a master regulator for pulmonary epithelial cell differentiation and lung morphogenesis, is strongly upregulated in this aggressive cancer type. The aim of this study was to evaluate a functional role for TTF-1 in SCLC. We demonstrated that achaete-scute complex homolog 1 (ASCL1), an essential transcription factor for neuroendocrine differentiation, positively regulated TTF-1 in SCLC cell lines. Subsequently, we described genes and microRNAs (miRNAs) that were possibly controlled by TTF-1 and identified nuclear factor IB (NFIB), a recently characterised driver of SCLC progression, as a transcriptional target of TTF-1. Our findings shine light on a regulatory axis in SCLC consisting of ASCL1/TTF-1/NFIB that potentially contributes to the tumourigenesis of SCLC.

  • 2.
    La Fleur, Linnea
    et al.
    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.
    Boura, Vanessa F.
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden.
    Alexeyenko, Andrey
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden;Natl Bioinformat Infrastruct Sweden, Sci Life Lab, Solna, Sweden.
    Berglund, Anders
    Epistat, Uppsala, Sweden.
    Ponten, Victor
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Mattsson, Johanna Sofia Margareta
    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.
    Persson, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Brunnström, Hans
    Lund Univ, Skane Univ Hosp, Div Pathol, Lund, Sweden.
    Isaksson, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Centre for Research and Development, Gävleborg.
    Brandén, Eva
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Centre for Research and Development, Gävleborg. Gavle Cent Hosp, Dept Resp Med, Gavle, Sweden.
    Koyi, Hirsh
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Centre for Research and Development, Gävleborg. Gavle Cent Hosp, Dept Resp Med, Gavle, Sweden.
    Micke, Patrick
    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.
    Karlsson, Mikael C. I.
    Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Stockholm, Sweden.
    Botling, Johan
    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.
    Expression of scavenger receptor MARCO defines a targetable tumor-associated macrophage subset in non-small cell lung cancer2018In: International Journal of Cancer, ISSN 0020-7136, E-ISSN 1097-0215, Vol. 143, no 7, p. 1741-1752Article in journal (Refereed)
    Abstract [en]

    Tumor-associated macrophages (TAMs) are attractive targets for immunotherapy. Recently, studies in animal models showed that treatment with an anti-TAM antibody directed against the scavenger receptor MARCO resulted in suppression of tumor growth and metastatic dissemination. Here we investigated the expression of MARCO in relation to other macrophage markers and immune pathways in a non-small cell lung cancer (NSCLC) cohort (n=352). MARCO, CD68, CD163, MSR1 and programmed death ligand-1 (PD-L1) were analyzed by immunohistochemistry and immunofluorescence, and associations to other immune cells and regulatory pathways were studied in a subset of cases (n=199) with available RNA-seq data. We observed a large variation in macrophage density between cases and a strong correlation between CD68 and CD163, suggesting that the majority of TAMs present in NSCLC exhibit a protumor phenotype. Correlation to clinical data only showed a weak trend toward worse survival for patients with high macrophage infiltration. Interestingly, MARCO was expressed on a distinct subpopulation of TAMs, which tended to aggregate in close proximity to tumor cell nests. On the transcriptomic level, we found a positive association between MARCO gene expression and general immune response pathways including strong links to immunosuppressive TAMs, T-cell infiltration and immune checkpoint molecules. Indeed, a higher macrophage infiltration was seen in tumors expressing PD-L1, and macrophages residing within tumor cell nests co-expressed MARCO and PD-L1. Thus, MARCO is a potential new immune target for anti-TAM treatment in a subset of NSCLC patients, possibly in combination with available immune checkpoint inhibitors.

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