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  • 1.
    Aberg, Mikael
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Eriksson, Oskar
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Tissue Factor Noncoagulant Signaling: Mechanisms and Implications for Cell Migration and Apoptosis2015In: Seminars in Thrombosis and Hemostasis, ISSN 0094-6176, E-ISSN 1098-9064, Vol. 41, no 7, p. 691-699Article in journal (Refereed)
    Abstract [en]

    Tissue factor (TF) is a 47-kDa transmembrane glycoprotein and the main initiator of the blood coagulation cascade. Binding to its ligand factor VIIa (FVIIa) also initiates noncoagulant signaling with broad biological implications. In this review, we discuss how TF interacts with other cell-surface proteins, which affect biological functions such as cell migration and cell survival. A vast number of publications have demonstrated the importance of TF-induced activation of protease-activated receptors, but recently published research has indicated a more complicated picture. As it has been discovered that TF interacts with integrins and receptor tyrosine kinases, novel signaling mechanisms for the TF/FVIIa complex have been presented. The knowledge of these new aspects of TF signaling may, for instance, facilitate the development of new treatment strategies for cancer and acute coronary syndromes, two examples of diseases characterized by aberrant TF expression and signaling.

  • 2.
    Aulin, Julia
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Hijazi, Ziad
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Andersson, Ulrika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Gersh, B. J.
    Hanna, M.
    Horowitz, J. D.
    Hylek, E. M.
    Lopes, R. D.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Interleukin-6 and C-reactive protein and risk for cardiovascular events and death in anticoagulated patients with atrial fibrillation2014In: European Heart Journal, ISSN 0195-668X, E-ISSN 1522-9645, Vol. 35, p. 1115-1116Article in journal (Refereed)
  • 3.
    Aulin, Julia
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Hijazi, Ziad
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Ezekowitz, Michael D.
    Lankenau Inst Med Res, Wynnewood, PA USA.;Ctr Heart, Wynnewood, PA USA..
    Andersson, Ulrika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Connolly, Stuart J.
    Populat Hlth Res Inst, Hamilton, ON, Canada..
    Huber, Kurt
    Dept Internal Med Cardiol & Emergency Med 3, Vienna, Austria..
    Reilly, Paul A.
    Boehringer Ingelheim Pharmaceut Inc, Ridgefield, CT 06877 USA..
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Oldgren, Jonas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Interleukin-6 and C-reactive protein and risk for death and cardiovascular events in patients with atrial fibrillation2015In: American Heart Journal, ISSN 0002-8703, E-ISSN 1097-6744, Vol. 170, no 6, p. 1151-1160Article in journal (Refereed)
    Abstract [en]

    Background Inflammation has been associated with cardiovascular disease and the burden of atrial fibrillation (AF). In this study we evaluate inflammatory biomarkers and future cardiovascular events in AF patients in the RE-LY study. Methods Interleukin-6 (IL-6), C-reactive protein (CRP) (n = 6,187), and fibrinogen (n = 4,893) were analyzed at randomization; outcomes were evaluated by Cox models and C-statistics. Results Adjusted for clinical risk factors IL-6 was independently associated with stroke or systemic embolism (P =.0041), major bleedings (P =.0001), vascular death (P<.0001), and a composite thromboembolic outcome (ischemic stroke, systemic embolism, myocardial infarction, pulmonary embolism and vascular death) (P<.0001). CRP was independently related to myocardial infarction (P =.0047), vascular death (P =.0004), and the composite thromboembolic outcome (P =.0001). When further adjusted for cardiac (troponin andN-terminal fragment B-type natriuretic peptide [NT-proBNP]) and renal (cystatin-C) biomarkers on top of clinical risk factors IL-6 remained significantly related to vascular death (P<.0001), major bleeding (P<.0170) and the composite thromboembolic outcome (P<.0001), and CRP to myocardial infarction (.0104). Fibrinogen was not associated with any outcome. C-index for stroke or systemic embolism increased from 0.615 to 0.642 (P =.0017) when adding IL-6 to the clinically used CHA(2)DS(2)-VASc risk score with net reclassification improvement of 28%. Conclusion In patients with AF, IL-6 is related to higher risk of stroke and major bleeding, and both markers are related to higher risk of vascular death and the composite of thromboembolic events independent of clinical risk factors. Adjustment for cardiovascular biomarkers attenuated the prognostic value, although IL-6 remained related to mortality, the composite of thromboembolic events, and major bleeding, and CRP to myocardial infarction.

  • 4.
    Baron, Tomasz
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Christersson, Christina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Johansson, K.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Flachskampf, Frank A.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    How frequent are signs of left ventricular dysfunction in acute myocardial infarction patients with normal ejection fraction?: Impact of the latest chamber quantification recommendations2015In: European Heart Journal, ISSN 0195-668X, E-ISSN 1522-9645, Vol. 36, no Suppl. 1, p. 937-937Article in journal (Other academic)
  • 5.
    Berglund, E.
    et al.
    Dept Publ Hlth & Clin Med, Med, Umea, Sweden..
    Thilen, U.
    Lund Univ, Dept Cardiol, Clin Sci, Lund, Sweden..
    Delborg, M.
    Univ Gothenburg, Dept Mol & Clin Med, Gothenburg, Sweden..
    Christersson, Christina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Sorensson, P.
    Karolinska Inst, Dept Mol Med & Surg, Stockholm, Sweden..
    Nielsen, N. -E
    Johansson, B.
    Dept Publ Hlth & Clin Med, Med, Umea, Sweden..
    High incidence of endocarditis in adults with congenital ventricular septal defect2015In: European Heart Journal, ISSN 0195-668X, E-ISSN 1522-9645, Vol. 36, no Suppl. 1, p. 457-457Article in journal (Other academic)
  • 6.
    Cedervall, Jessica
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Zhang, Yanyu
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Ringvall, Maria
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    Thulin, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Moustakas, Aristidis
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Ludwig Institute for Cancer Research.
    Jahnen-Dechent, Willi
    Biointerface Laboratory, Department of Biomedical Engineering, RWTH Aachen University, Pauwelsstrasse 30, 52074 Aachen, Germany.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Olsson, Anna-Karin
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
    HRG regulates tumor progression, epithelial to mesenchymal transition and metastasis via platelet-induced signaling in the pre-tumorigenic microenvironment2013In: Angiogenesis, ISSN 0969-6970, E-ISSN 1573-7209, Vol. 16, no 4, p. 889-902Article in journal (Refereed)
    Abstract [en]

    Mice lacking histidine-rich glycoprotein (HRG) display an accelerated angiogenic switch and larger tumors-a phenotype caused by enhanced platelet activation in the HRG-deficient mice. Here we show that platelets induce molecular changes in the pre-tumorigenic environment in HRG-deficient mice, promoting cell survival, angiogenesis and epithelial-to-mesenchymal transition (EMT) and that these effects involved signaling via TBK1, Akt2 and PDGFR beta. These early events subsequently translate into an enhanced rate of spontaneous metastasis to distant organs in mice lacking HRG. Later in tumor development characteristic features of pathological angiogenesis, such as decreased perfusion and pericyte coverage, are more pronounced in HRG-deficient mice. At this stage, platelets are essential to support the larger tumor volumes formed in mice lacking HRG by keeping their tumor vasculature sufficiently functional. We conclude that HRG-deficiency promotes tumor progression via enhanced platelet activity and that platelets play a dual role in this process. During early stages of transformation, activated platelets promote tumor cell survival, the angiogenic switch and invasiveness. In the more progressed tumor, platelets support the enhanced pathological angiogenesis and hence increased tumor growth seen in the absence of HRG. Altogether, our findings strengthen the notion of HRG as a potent tumor suppressor, with capacity to attenuate the angiogenic switch, tumor growth, EMT and subsequent metastatic spread, by regulating platelet activity.

  • 7.
    Christersson, Christina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Johnell, Matilda
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Evaluation of microparticles in whole blood by multicolour flow cytometry assay2013In: Scandinavian Journal of Clinical and Laboratory Investigation, ISSN 0036-5513, E-ISSN 1502-7686, Vol. 73, no 3, p. 229-239Article in journal (Refereed)
    Abstract [en]

    Objective

    To develop and evaluate a multicolour flow cytometry method for analysis of microparticles (MPs) in fresh whole blood without any centrifugation steps or freezing/thawing procedure.

    Materials and methods

    Flow cytometry was performed using a FC500 MPL cytometer. The compensation in the protocol was performed based on the platelet population. Polystyrene microspheres 0.50–1.27 μm were used for size position, and the MP gate was set as particles 0.5–1.0 μm. Whole blood was incubated with annexin V and antibodies to tissue factor (TF), platelets (CD41 and CD62P), monocyte (CD14) and endothelial cells (CD144). For comparison, MPs from platelet free supernatant was used. The TF activity was evaluated by Calibrated Automated Thrombogram.

    Results

    Annexin V was used to distinguish true events from background noise. For standardization, each analysis included 10,000 events in the gate of platelets. There were 622(462–1001) MPannV+/10,000 platelets and of these, 66 (49–82)/10,000 platelets expressed TF. After correction for the individual platelet counts, the amount of circulating MPannV+ was 17.1 (12.1–24.9) × 109/L in whole blood, and of these, 10% (6–12%) expressed TF. The majority of the MPs expressed CD41, and 5.6% (2.2–6.9%) of these co-expressed TF. The amount of CD41 + MPannV+ tended to correlate to the TF activity in whole blood. There was no correlation between the MPannV+ in whole blood and MPs derived from platelet free supernatant. Patients with pulmonary arterial hypertension and stable coronary artery disease had increased concentrations of CD41 + MPannV+ in whole blood.

    Conclusion

    This multicolour flow cytometry assay in whole blood mimics the in vivo situation by avoiding several procedure steps interfering with the MP count. By standardized quantification of MPs a reference interval of MPs can be created.

  • 8.
    Christersson, Christina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Jönelid, Birgitta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Thulin, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    The change of the amount of circulating microparticles and their association to the general atherosclerotic burden after acute coronary syndrome2015In: Journal of Thrombosis and Haemostasis, ISSN 1538-7933, E-ISSN 1538-7836, Vol. 13, no S2, p. 214-214, article id OR312Article in journal (Other academic)
  • 9.
    Christersson, Christina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Schollin, M.
    Alexander, J. H.
    Bersh, B. J.
    Horowitz, J.
    Hylek, E. M.
    Mohan, P.
    Granger, C. B.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Increased levels of D-dimer in atrial fibrillation identify patients with higher risk of thromboembolic events and death2012In: European Heart Journal, ISSN 0195-668X, E-ISSN 1522-9645, Vol. 33, no Suppl 1, p. 969-969Article in journal (Other academic)
  • 10.
    Christersson, Christina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Andersson, Ulrika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Alexander, J. H.
    Ansell, J.
    De Caterina, R.
    Gersh, B. J.
    Granger, C. B.
    Hanna, M.
    Horowitz, J. D.
    Huber, K.
    Husted, S.
    Hylek, E. M.
    Lopes, R. D.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    D-dimer and risk of thromboembolic and bleeding events in patients with atrial fibrillation: observations from the ARISTOTLE trial2014In: Journal of Thrombosis and Haemostasis, ISSN 1538-7933, E-ISSN 1538-7836, Vol. 12, no 9, p. 1401-1412Article in journal (Refereed)
    Abstract [en]

    BackgroundD-dimer is related to adverse outcomes in arterial and venous thromboembolic diseases. ObjectivesTo evaluate the predictive value of D-dimer level for stroke, other cardiovascular events, and bleeds, in patients with atrial fibrillation (AF) treated with oral anticoagulation with apixaban or warfarin; and to evaluate the relationship between the D-dimer levels at baseline and the treatment effect of apixaban vs. warfarin. MethodsIn the ARISTOTLE trial, 18201 patients with AF were randomized to apixaban or warfarin. D-dimer was analyzed in 14878 patients at randomization. The cohort was separated into two groups; not receiving vitaminK antagonist (VKA) treatment and receiving VKA treatment at randomization. ResultsHigher D-dimer levels were associated with increased frequencies of stroke or systemic embolism (hazard ratio [HR][Q4 vs. Q1]1.72, 95% confidence interval [CI]1.14-2.59, P=0.003), death (HR[Q4 vs. Q1]4.04, 95%CI3.06-5.33) and major bleeding (HR[Q4 vs. Q1]2.47, 95%CI1.77-3.45, P<0.0001) in the no-VKA group. Similar results were obtained in the on-VKA group. Adding D-dimer level to the CHADS(2) score improved the C-index from 0.646 to 0.655 for stroke or systemic embolism, and from 0.598 to 0.662 for death, in the no-VKA group. D-dimer level improved the HAS-BLED score for prediction of major bleeds, with an increase in the C-index from 0.610 to 0.641. There were no significant interactions between efficacy and safety of study treatment and D-dimer level. ConclusionIn anticoagulated patients with AF, the level of D-dimer is related to the risk of stroke, death, and bleeding, and adds to the predictive value of clinical risk scores. The benefits of apixaban were consistent, regardless of the baseline D-dimer level.

  • 11.
    Christersson, Christina
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Andersson, Ulrika
    Hylek, E. M.
    Husted, S.
    De Caterina, R.
    Hanna, M.
    Lopes, R. D.
    Granger, C. B.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    The efficacy of apixaban compared to warfarin in patients with atrial fibrillation with high coagulation activity despite anticoagulant treatment2014In: European Heart Journal, ISSN 0195-668X, E-ISSN 1522-9645, Vol. 35, p. 866-867Article in journal (Refereed)
  • 12. De Caterina, R
    et al.
    Husted, S
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Andreotti, F
    Arnesen, H
    Bachmann, F
    Baigent, C
    Huber, K
    Jespersen, J
    Kristensen, S D
    Lip, G Y H
    Morais, J
    Rasmussen, L H
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Verheugt, F W A
    Weitz, J I
    General mechanisms of coagulation and targets of anticoagulants (Section I): Position Paper of the ESC Working Group on Thrombosis - Task Force on Anticoagulants in Heart Disease2013In: Thrombosis and Haemostasis, ISSN 0340-6245, Vol. 109, no 4, p. 569-579Article in journal (Refereed)
    Abstract [en]

    Contrary to previous models based on plasma, coagulation processes are currently believed to be mostly cell surface-based, including three overlapping phases: initiation, when tissue factor-expressing cells and microparticles are exposed to plasma; amplification, whereby small amounts of thrombin induce platelet activation and aggregation, and promote activation of factors (F)V, FVIII and FXI on platelet surfaces; and propagation, in which the Xase (tenase) and prothrombinase complexes are formed, producing a burst of thrombin and the cleavage of fibrinogen to fibrin. Thrombin exerts a number of additional biological actions, including platelet activation, amplification and self-inhibition of coagulation, clot stabilisation and anti-fibrinolysis, in processes occurring in the proximity of vessel injury, tightly regulated by a series of inhibitory mechanisms. "Classical" anticoagulants, including heparin and vitamin K antagonists, typically target multiple coagulation steps. A number of new anticoagulants, already developed or under development, target specific steps in the process, inhibiting a single coagulation factor or mimicking natural coagulation inhibitors.

  • 13.
    De Caterina, Raffaele
    et al.
    Univ G DAnnunzio, Chieti, Italy.;Fdn Toscana G Monasterio, Pisa, Italy..
    Husted, Steen
    Univ Aarhus, Aarhus, Denmark..
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Andreotti, Felicita
    Univ Cattolica Sacro Cuore, I-00168 Rome, Italy..
    Arnesen, Harald
    Oslo Univ Hosp Ulleval, Oslo, Norway.;Univ Oslo, Oslo, Norway..
    Bachmann, Fedor
    Univ Lausanne, Lausanne, Switzerland..
    Baigent, Colin
    Univ Oxford, Oxford, England..
    Collet, Jean-Philippe
    Grp Hosp Pitie Salpetriere, INSERM, UMRS ICAN 1166, F-75634 Paris, France..
    Halvorsen, Sigrun
    Oslo Univ Hosp Ulleval, Oslo, Norway.;Univ Oslo, Oslo, Norway..
    Huber, Kurt
    Wilhelminenhosp, Vienna, Austria..
    Jespersen, Jorgen
    Univ Southern Denmark, Esbjerg, Denmark..
    Kristensen, Steen Dalby
    Aarhus Univ Hosp, DK-8000 Aarhus, Denmark..
    Lip, Gregory Y. H.
    Univ Birmingham, City Hosp, Inst Cardiovasc Sci, Birmingham, W Midlands, England..
    Morais, Joao
    Hosp Santo Andre, Leiria, Portugal..
    Rasmussen, Lars Hvilsted
    Aalborg Univ, Aalborg, Denmark..
    Ricci, Fabrizio
    Univ G DAnnunzio, Chieti, Italy.;Fdn Toscana G Monasterio, Pisa, Italy..
    Sibbing, Dirk
    Univ Munich, Klinikum Univ Munchen, Med Klin & Poliklin 1, Munich, Germany.;DZHK German Ctr Cardiovasc Res, Partner Site Munich Heart Alliance, Munich, Germany..
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Storey, Robert F.
    Univ Sheffield, Sheffield, S Yorkshire, England..
    ten Berg, Jurrien
    St Antonius Hosp, Nieuwegein, Netherlands..
    Verheugt, Freek W. A.
    Onze Lieve Vrouw Hosp, Amsterdam, Netherlands..
    Weitz, Jeffrey I.
    McMaster Univ, Hamilton, ON, Canada.;Thrombosis & Atherosclerosis Res Inst, Hamilton, ON, Canada..
    Oral anticoagulants in coronary heart disease (Section IV) Position paper of the ESC Working Group on Thrombosis - Task Force on Anticoagulants in Heart Disease2016In: Thrombosis and Haemostasis, ISSN 0340-6245, Vol. 115, no 4, p. 685-711Article in journal (Refereed)
    Abstract [en]

    Until recently, vitamin K antagonists (VKAs) were the only available oral anticoagulants evaluated for long-term treatment of patients with coronary heart disease (CHD), particularly after an acute coronary syndrome (ACS). Despite efficacy in this setting, VKAs are rarely used because they are cumbersome to administer. Instead, the more readily manageable antiplatelet agents are the mainstay of prevention in ACS patients. This situation has the potential to change with the introduction of non-VKA oral anticoagulants (NOACs), which are easier to administer than VKAs because they can be given in fixed doses without routine coagulation monitoring. The NOACs include dabigatran, which inhibits thrombin, and apixaban, rivaroxaban and edoxaban, which inhibit factor Xa. Apixaban and rivaroxaban were evaluated in phase III trials for prevention of recurrent ischaemia in ACS patients, most of whom were also receiving dual antiplatelet therapy with aspirin and clopidogrel. Although at the doses tested rivaroxaban was effective and apixaban was not, both agents increased major bleeding. The role for the NOACs in ACS management, although promising, is therefore complicated, because it is uncertain how they compare with newer antiplatelet agents, such as prasugrel, ticagrelor or vorapaxar, and because their safety in combination with these other drugs is unknown. Ongoing studies are also now evaluating the use of NOACs in non-valvular atrial fibrillation patients, where their role is established, with coexistent ACS or coronary stenting. Focusing on CHD, we review the results of clinical trials with the NOACs and provide a perspective on their future incorporation into clinical practice.

  • 14. De Caterina, Raffaele
    et al.
    Husted, Steen
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Andreotti, Felicita
    Arnesen, Harald
    Bachmann, Fedor
    Baigent, Colin
    Huber, Kurt
    Jespersen, Jorgen
    Kristensen, Steen Dalby
    Lip, Gregory Y. H.
    Morais, Joao
    Rasmussen, Lars Hvilsted
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Verheugt, Freek W. A.
    Weitz, Jeffrey I.
    Parenteral anticoagulants in heart disease: Current status and perspectives (Section II) Position Paper of the ESC Working Group on Thrombosis - Task Force on Anticoagulants in Heart Disease2013In: Thrombosis and Haemostasis, ISSN 0340-6245, Vol. 109, no 5, p. 769-786Article in journal (Refereed)
    Abstract [en]

    Anticoagulants are a mainstay of cardiovascular therapy, and parenteral anticoagulants have widespread use in cardiology, especially in acute situations. Parenteral anticoagulants include unfractionated heparin, low-molecular-weight heparins, the synthetic pentasaccharides fondaparinux, idraparinux and idrabiotaparinux, and parenteral direct thrombin inhibitors. The several shortcomings of unfractionated heparin and of low-molecular-weight heparins have prompted the development of the other newer agents. Here we review the mechanisms of action, pharmacological properties and side effects of parenteral anticoagulants used in the management of coronary heart disease treated with or without percutaneous coronary interventions, cardioversion for atrial fibrillation, and prosthetic heart valves and valve repair. Using an evidence-based approach, we describe the results of completed clinical trials, highlight ongoing research with currently available agents, and recommend therapeutic options for specific heart diseases.

  • 15. De Caterina, Raffaele
    et al.
    Husted, Steen
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Andreotti, Felicita
    Arnesen, Harald
    Bachmann, Fedor
    Baigent, Colin
    Huber, Kurt
    Jespersen, Jorgen
    Kristensen, Steen Dalby
    Lip, Gregory Y. H.
    Morais, Joao
    Rasmussen, Lars Hvilsted
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Verheugt, Freek W. A.
    Weitz, Jeffrey I.
    Vitamin K antagonists in heart disease: Current status and perspectives (Section III)2013In: Thrombosis and Haemostasis, ISSN 0340-6245, Vol. 110, no 6, p. 1087-1107Article in journal (Refereed)
    Abstract [en]

    Oral anticoagulants are a mainstay of cardiovascular therapy, and for over 60 years vitamin K antagonists (VKAs) were the only available agents for long-term use. VKAs interfere with the cyclic inter-conversion of vitamin K and its 2,3 epoxide, thus inhibiting gamma-carboxylation of glutamate residues at the amino-termini of vitamin K-dependent proteins, including the coagulation factors (F) II (prothrombin), VII, IX and X, as well as of the anticoagulant proteins C, S and Z. The overall effect of such interference is a dose-dependent anticoagulant effect, which has been therapeutically exploited in heart disease since the early 1950s. In this position paper, we review the mechanisms of action, pharmacological properties and side effects of VKAs, which are used in the management of cardiovascular diseases, including coronary heart disease (where their use is limited), stroke prevention in atrial fibrillation, heart valves and/or chronic heart failure. Using an evidence-based approach, we describe the results of completed clinical trials, highlight areas of uncertainty, and recommend therapeutic options for specific disorders. Although VKAs are being increasingly replaced in most patients with non-valvular atrial fibrillation by the new oral anticoagulants, which target either thrombin or FXa, the VKAs remain the agents of choice for patients with atrial fibrillation in the setting of rheumatic valvular disease and for those with mechanical heart valves.

  • 16. Deloukas, Panos
    et al.
    Kanoni, Stavroula
    Willenborg, Christina
    Farrall, Martin
    Assimes, Themistocles L
    Thompson, John R
    Ingelsson, Erik
    Saleheen, Danish
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Erdmann, Jeanette
    Goldstein, Benjamin A
    Stirrups, Kathleen
    König, Inke R
    Cazier, Jean-Baptiste
    Johansson, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Hall, Alistair S
    Lee, Jong-Young
    Willer, Cristen J
    Chambers, John C
    Esko, Tõnu
    Folkersen, Lasse
    Goel, Anuj
    Grundberg, Elin
    Havulinna, Aki S
    Ho, Weang K
    Hopewell, Jemma C
    Eriksson, Niclas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Kleber, Marcus E
    Kristiansson, Kati
    Lundmark, Per
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular Medicine.
    Lyytikäinen, Leo-Pekka
    Rafelt, Suzanne
    Shungin, Dmitry
    Strawbridge, Rona J
    Thorleifsson, Gudmar
    Tikkanen, Emmi
    van Zuydam, Natalie
    Voight, Benjamin F
    Waite, Lindsay L
    Zhang, Weihua
    Ziegler, Andreas
    Absher, Devin
    Altshuler, David
    Balmforth, Anthony J
    Barroso, Inês
    Braund, Peter S
    Burgdorf, Christof
    Claudi-Boehm, Simone
    Cox, David
    Dimitriou, Maria
    Do, Ron
    Doney, Alex S F
    Mokhtari, Noureddine El
    Eriksson, Per
    Fischer, Krista
    Fontanillas, Pierre
    Franco-Cereceda, Anders
    Gigante, Bruna
    Groop, Leif
    Gustafsson, Stefan
    Hager, Jörg
    Hallmans, Göran
    Han, Bok-Ghee
    Hunt, Sarah E
    Kang, Hyun M
    Illig, Thomas
    Kessler, Thorsten
    Knowles, Joshua W
    Kolovou, Genovefa
    Kuusisto, Johanna
    Langenberg, Claudia
    Langford, Cordelia
    Leander, Karin
    Lokki, Marja-Liisa
    Lundmark, Anders
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular Medicine.
    McCarthy, Mark I
    Meisinger, Christa
    Melander, Olle
    Mihailov, Evelin
    Maouche, Seraya
    Morris, Andrew D
    Müller-Nurasyid, Martina
    Nikus, Kjell
    Peden, John F
    Rayner, N William
    Rasheed, Asif
    Rosinger, Silke
    Rubin, Diana
    Rumpf, Moritz P
    Schäfer, Arne
    Sivananthan, Mohan
    Song, Ci
    Stewart, Alexandre F R
    Tan, Sian-Tsung
    Thorgeirsson, Gudmundur
    Schoot, C Ellen van der
    Wagner, Peter J
    Wells, George A
    Wild, Philipp S
    Yang, Tsun-Po
    Amouyel, Philippe
    Arveiler, Dominique
    Basart, Hanneke
    Boehnke, Michael
    Boerwinkle, Eric
    Brambilla, Paolo
    Cambien, Francois
    Cupples, Adrienne L
    de Faire, Ulf
    Dehghan, Abbas
    Diemert, Patrick
    Epstein, Stephen E
    Evans, Alun
    Ferrario, Marco M
    Ferrières, Jean
    Gauguier, Dominique
    Go, Alan S
    Goodall, Alison H
    Gudnason, Villi
    Hazen, Stanley L
    Holm, Hilma
    Iribarren, Carlos
    Jang, Yangsoo
    Kähönen, Mika
    Kee, Frank
    Kim, Hyo-Soo
    Klopp, Norman
    Koenig, Wolfgang
    Kratzer, Wolfgang
    Kuulasmaa, Kari
    Laakso, Markku
    Laaksonen, Reijo
    Lee, Ji-Young
    Lind, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiovascular epidemiology.
    Ouwehand, Willem H
    Parish, Sarah
    Park, Jeong E
    Pedersen, Nancy L
    Peters, Annette
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Quertermous, Thomas
    Rader, Daniel J
    Salomaa, Veikko
    Schadt, Eric
    Shah, Svati H
    Sinisalo, Juha
    Stark, Klaus
    Stefansson, Kari
    Trégouët, David-Alexandre
    Virtamo, Jarmo
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Wareham, Nicholas
    Zimmermann, Martina E
    Nieminen, Markku S
    Hengstenberg, Christian
    Sandhu, Manjinder S
    Pastinen, Tomi
    Syvänen, Ann-Christine
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular Medicine.
    Hovingh, G Kees
    Dedoussis, George
    Franks, Paul W
    Lehtimäki, Terho
    Metspalu, Andres
    Zalloua, Pierre A
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Schreiber, Stefan
    Ripatti, Samuli
    Blankenberg, Stefan S
    Perola, Markus
    Clarke, Robert
    Boehm, Bernhard O
    O'Donnell, Christopher
    Reilly, Muredach P
    März, Winfried
    Collins, Rory
    Kathiresan, Sekar
    Hamsten, Anders
    Kooner, Jaspal S
    Thorsteinsdottir, Unnur
    Danesh, John
    Palmer, Colin N A
    Roberts, Robert
    Watkins, Hugh
    Schunkert, Heribert
    Samani, Nilesh J
    Large-scale association analysis identifies new risk loci for coronary artery disease2013In: Nature Genetics, ISSN 1061-4036, E-ISSN 1546-1718, Vol. 45, no 1, p. 25-33Article in journal (Refereed)
    Abstract [en]

    Coronary artery disease (CAD) is the commonest cause of death. Here, we report an association analysis in 63,746 CAD cases and 130,681 controls identifying 15 loci reaching genome-wide significance, taking the number of susceptibility loci for CAD to 46, and a further 104 independent variants (r2 < 0.2) strongly associated with CAD at a 5% false discovery rate (FDR). Together, these variants explain approximately 10.6% of CAD heritability. Of the 46 genome-wide significant lead SNPs, 12 show a significant association with a lipid trait, and 5 show a significant association with blood pressure, but none is significantly associated with diabetes. Network analysis with 233 candidate genes (loci at 10% FDR) generated 5 interaction networks comprising 85% of these putative genes involved in CAD. The four most significant pathways mapping to these networks are linked to lipid metabolism and inflammation, underscoring the causal role of these activities in the genetic etiology of CAD. Our study provides insights into the genetic basis of CAD and identifies key biological pathways.

  • 17. Do, Ron
    et al.
    Willer, Cristen J.
    Schmidt, Ellen M.
    Sengupta, Sebanti
    Gao, Chi
    Peloso, Gina M.
    Gustafsson, Stefan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular epidemiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Kanoni, Stavroula
    Ganna, Andrea
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular epidemiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Chen, Jin
    Buchkovich, Martin L.
    Mora, Samia
    Beckmann, Jacques S.
    Bragg-Gresham, Jennifer L.
    Chang, Hsing-Yi
    Demirkan, Ayse
    Den Hertog, Heleen M.
    Donnelly, Louise A.
    Ehret, Georg B.
    Esko, Tonu
    Feitosa, Mary F.
    Ferreira, Teresa
    Fischer, Krista
    Fontanillas, Pierre
    Fraser, Ross M.
    Freitag, Daniel F.
    Gurdasani, Deepti
    Heikkila, Kauko
    Hyppoenen, Elina
    Isaacs, Aaron
    Jackson, Anne U.
    Johansson, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Genomics. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Johnson, Toby
    Kaakinen, Marika
    Kettunen, Johannes
    Kleber, Marcus E.
    Li, Xiaohui
    Luan, Jian'an
    Lyytikainen, Leo-Pekka
    Magnusson, Patrik K. E.
    Mangino, Massimo
    Mihailov, Evelin
    Montasser, May E.
    Mueller-Nurasyid, Martina
    Nolte, Ilja M.
    O'Connell, Jeffrey R.
    Palmer, Cameron D.
    Perola, Markus
    Petersen, Ann-Kristin
    Sanna, Serena
    Saxena, Richa
    Service, Susan K.
    Shah, Sonia
    Shungin, Dmitry
    Sidore, Carlo
    Song, Ci
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular epidemiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Strawbridge, Rona J.
    Surakka, Ida
    Tanaka, Toshiko
    Teslovich, Tanya M.
    Thorleifsson, Gudmar
    Van den Herik, Evita G.
    Voight, Benjamin F.
    Volcik, Kelly A.
    Waite, Lindsay L.
    Wong, Andrew
    Wu, Ying
    Zhang, Weihua
    Absher, Devin
    Asiki, Gershim
    Barroso, Ines
    Been, Latonya F.
    Bolton, Jennifer L.
    Bonnycastle, Lori L.
    Brambilla, Paolo
    Burnett, Mary S.
    Cesana, Giancarlo
    Dimitriou, Maria
    Doney, Alex S. F.
    Doering, Angela
    Elliott, Paul
    Epstein, Stephen E.
    Eyjolfsson, Gudmundur Ingi
    Gigante, Bruna
    Goodarzi, Mark O.
    Grallert, Harald
    Gravito, Martha L.
    Groves, Christopher J.
    Hallmans, Goran
    Hartikainen, Anna-Liisa
    Hayward, Caroline
    Hernandez, Dena
    Hicks, Andrew A.
    Holm, Hilma
    Hung, Yi-Jen
    Illig, Thomas
    Jones, Michelle R.
    Kaleebu, Pontiano
    Kastelein, John J. P.
    Khaw, Kay-Tee
    Kim, Eric
    Klopp, Norman
    Komulainen, Pirjo
    Kumari, Meena
    Langenberg, Claudia
    Lehtimaki, Terho
    Lin, Shih-Yi
    Lindstrom, Jaana
    Loos, Ruth J. F.
    Mach, Francois
    McArdle, Wendy L.
    Meisinger, Christa
    Mitchell, Braxton D.
    Mueller, Gabrielle
    Nagaraja, Ramaiah
    Narisu, Narisu
    Nieminen, Tuomo V. M.
    Nsubuga, Rebecca N.
    Olafsson, Isleifur
    Ong, Ken K.
    Palotie, Aarno
    Papamarkou, Theodore
    Pomilla, Cristina
    Pouta, Anneli
    Rader, Daniel J.
    Reilly, Muredach P.
    Ridker, Paul M.
    Rivadeneira, Fernando
    Rudan, Igor
    Ruokonen, Aimo
    Samani, Nilesh
    Scharnagl, Hubert
    Seeley, Janet
    Silander, Kaisa
    Stancakova, Alena
    Stirrups, Kathleen
    Swift, Amy J.
    Tiret, Laurence
    Uitterlinden, Andre G.
    van Pelt, L. Joost
    Vedantam, Sailaja
    Wainwright, Nicholas
    Wijmenga, Cisca
    Wild, Sarah H.
    Willemsen, Gonneke
    Wilsgaard, Tom
    Wilson, James F.
    Young, Elizabeth H.
    Zhao, Jing Hua
    Adair, Linda S.
    Arveiler, Dominique
    Assimes, Themistocles L.
    Bandinelli, Stefania
    Bennett, Franklyn
    Bochud, Murielle
    Boehm, Bernhard O.
    Boomsma, Dorret I.
    Borecki, Ingrid B.
    Bornstein, Stefan R.
    Bovet, Pascal
    Burnier, Michel
    Campbell, Harry
    Chakravarti, Aravinda
    Chambers, John C.
    Chen, Yii-Der Ida
    Collins, Francis S.
    Cooper, Richard S.
    Danesh, John
    Dedoussis, George
    de Faire, Ulf
    Feranil, Alan B.
    Ferrieres, Jean
    Ferrucci, Luigi
    Freimer, Nelson B.
    Gieger, Christian
    Groop, Leif C.
    Gudnason, Vilmundur
    Gyllensten, Ulf
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Genomics. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Hamsten, Anders
    Harris, Tamara B.
    Hingorani, Aroon
    Hirschhorn, Joel N.
    Hofman, Albert
    Hovingh, G. Kees
    Hsiung, Chao Agnes
    Humphries, Steve E.
    Hunt, Steven C.
    Hveem, Kristian
    Iribarren, Carlos
    Jarvelin, Marjo-Riitta
    Jula, Antti
    Kahonen, Mika
    Kaprio, Jaakko
    Kesaniemi, Antero
    Kivimaki, Mika
    Kooner, Jaspal S.
    Koudstaal, Peter J.
    Krauss, Ronald M.
    Kuh, Diana
    Kuusisto, Johanna
    Kyvik, Kirsten O.
    Laakso, Markku
    Lakka, Timo A.
    Lind, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiovascular epidemiology.
    Lindgren, Cecilia M.
    Martin, Nicholas G.
    Maerz, Winfried
    McCarthy, Mark I.
    McKenzie, Colin A.
    Meneton, Pierre
    Metspalu, Andres
    Moilanen, Leena
    Morris, Andrew D.
    Munroe, Patricia B.
    Njolstad, Inger
    Pedersen, Nancy L.
    Power, Chris
    Pramstaller, Peter P.
    Price, Jackie F.
    Psaty, Bruce M.
    Quertermous, Thomas
    Rauramaa, Rainer
    Saleheen, Danish
    Salomaa, Veikko
    Sanghera, Dharambir K.
    Saramies, Jouko
    Schwarz, Peter E. H.
    Sheu, Wayne H-H
    Shuldiner, Alan R.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular epidemiology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Spector, Tim D.
    Stefansson, Kari
    Strachan, David P.
    Tayo, Bamidele O.
    Tremoli, Elena
    Tuomilehto, Jaakko
    Uusitupa, Matti
    van Duijn, Cornelia M.
    Vollenweider, Peter
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Wareham, Nicholas J.
    Whitfield, John B.
    Wolffenbuttel, Bruce H. R.
    Altshuler, David
    Ordovas, Jose M.
    Boerwinkle, Eric
    Palmer, Colin N. A.
    Thorsteinsdottir, Unnur
    Chasman, Daniel I.
    Rotter, Jerome I.
    Franks, Paul W.
    Ripatti, Samuli
    Cupples, L. Adrienne
    Sandhu, Manjinder S.
    Rich, Stephen S.
    Boehnke, Michael
    Deloukas, Panos
    Mohlke, Karen L.
    Ingelsson, Erik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular epidemiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Abecasis, Goncalo R.
    Daly, Mark J.
    Neale, Benjamin M.
    Kathiresan, Sekar
    Common variants associated with plasma triglycerides and risk for coronary artery disease2013In: Nature Genetics, ISSN 1061-4036, E-ISSN 1546-1718, Vol. 45, no 11, p. 1345-+Article in journal (Refereed)
    Abstract [en]

    Triglycerides are transported in plasma by specific triglyceride-rich lipoproteins; in epidemiological studies, increased triglyceride levels correlate with higher risk for coronary artery disease (CAD). However, it is unclear whether this association reflects causal processes. We used 185 common variants recently mapped for plasma lipids (P < 5 x 10(-8) for each) to examine the role of triglycerides in risk for CAD. First, we highlight loci associated with both low-density lipoprotein cholesterol (LDL-C) and triglyceride levels, and we show that the direction and magnitude of the associations with both traits are factors in determining CAD risk. Second, we consider loci with only a strong association with triglycerides and show that these loci are also associated with CAD. Finally, in a model accounting for effects on LDL-C and/or high-density lipoprotein cholesterol (HDL-C) levels, the strength of a polymorphism's effect on triglyceride levels is correlated with the magnitude of its effect on CAD risk. These results suggest that triglyceride-rich lipoproteins causally influence risk for CAD.

  • 18.
    Edén, Desireé
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Mokhtari, Dariush
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Clinical diabetology and metabolism.
    Eriksson, Jan W
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Clinical diabetology and metabolism.
    Åberg, Mikael
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Adipocytes are coagulant active in a TF/FVIIa dependent manner but lipolysis is unaffected by TF/FVIIa2018In: Cardiovascular Research, ISSN 0008-6363, E-ISSN 1755-3245, Vol. 114, p. S131-S131Article in journal (Other academic)
  • 19.
    Edén, Desireé
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Mokhtari, Dariush
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Tissue factor/factor VIIA signaling promotes cytokine-induced beta cell death and impairs glucose stimulated insulin secretion from human pancreatic islets2015In: Journal of Thrombosis and Haemostasis, ISSN 1538-7933, E-ISSN 1538-7836, Vol. 13, no S2, p. 465-465, article id PO563-MONArticle in journal (Other academic)
  • 20.
    Edén, Desireé
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Mokhtari, Dariush
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Tissue factor/factor VIIa signalling promotes cytokine-induced beta cell death and impairs glucose-stimulated insulin secretion from human pancreatic islets2015In: Diabetologia, ISSN 0012-186X, E-ISSN 1432-0428, Vol. 58, no 11, p. 2563-2572Article in journal (Refereed)
    Abstract [en]

    Aims/hypothesis Patients diagnosed with type 1 or type 2 diabetes have elevated levels of coagulation factor VIIa (FVIIa) and its receptor tissue factor (TF) in their bloodstream. This may affect the fate of the beta cells. We aimed to study the effects of TF/FVIIa signalling on cytokine-induced beta cell death and islet function in vitro. Methods Human pancreatic islets and MIN-6 beta cells were used to study TF mRNA and protein expression using real-time PCR, immunoblotting and flow cytometry. The effects of TF/FVIIa on cytokine-induced beta cell death were studied in MIN-6 cells and human pancreatic islets using cell-death ELISA and propidium iodide and cleaved caspase-3 staining. Effects of TF/FVIIa on the phosphorylation of p38, extracellular signal-regulated kinase and c-Jun N-terminal kinase (JNK) were investigated by immunoblotting. Glucose-stimulated insulin secretion (GSIS) from human islets was measured with an insulin ELISA. Results A combination of the cytokines IL-1 beta, TNF-alpha and IFN-gamma induced TF expression in human pancreatic islets and in beta cells. TF/FVIIa did not affect basal beta cell death but, independently of downstream coagulation activity, augmented beta cell death in response to cytokines. The effect of TF/FVIIa on cytokine-induced beta cell death was found to be dependent on the stress kinase JNK, since FVIIa addition potentiated cytokine-induced JNK activation and JNK inhibition abolished the effect of TF/FVIIa on cytokine-induced beta cell death. Moreover, TF/FVIIa signalling resulted in inhibition of GSIS from human pancreatic islets. Conclusions/interpretation These results indicate that TF/FVIIa signalling has a negative effect on beta cell function and promotes beta cell death in response to cytokines.

  • 21.
    Eggers, Kai M.
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Al-Shakarchi, Jinan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
    Berglund, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Lindahl, Bertil
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Zethelius, Björn
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics.
    High-sensitive cardiac troponin T and its relations to cardiovascular risk factors, morbidity, and mortality in elderly men2013In: American Heart Journal, ISSN 0002-8703, E-ISSN 1097-6744, Vol. 166, no 3, p. 541-+Article in journal (Refereed)
    Abstract [en]

    Background Cardiac troponin is emerging as risk indicator in community-dwelling populations. In this study, we investigated the associations of cardiac troponin T (cTnT) to cardiovascular (CV) disease and outcome in elderly men. Methods Cardiac troponin T was measured using a high-sensitive assay in 940 men aged 71 years participating in the Uppsala Longitudinal Study of Adult Men. We assessed both the cross-sectional associations of cTnT to CV risk factors and morbidities including cancer and the longitudinal associations to outcomes over 10 years of follow-up. Results Cardiac troponin T levels were measurable in 872 subjects (92.8%). In the cross-sectional analyses, cTnT was associated to CV risk factors (diabetes, smoking, and obesity), renal dysfunction, CV disease including atrial fibrillation and coronary artery disease, and biomarkers of inflammation and left ventricular dysfunction. In the longitudinal analyses, cTnT independently predicted total mortality and CV events including stroke. The standardized adjusted hazard ratio regarding the composite CV end point was 1.5 (95% CI 1.3-1.8), P < .001, for men with prevalent CV disease and 1.2 (95% CI 1.0-1.4), P = .02, for men without. Cardiac troponin T improved discrimination metrics for all outcomes in the total population. This was mainly driven by the prognostic value of cTnT in subjects with prevalent CV disease. Conclusions In community-dwelling men, cTnT levels are associated to CV risk factors and morbidities and predict both fatal and nonfatal CV events. The relations to outcome are mainly seen in men with prevalent CV disease indicating that the prognostic value of cTnT in subjects free from CV disease is limited.

  • 22.
    Eggers, Kai M.
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Venge, Per
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Lindahl, Bertil
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Lind, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiovascular epidemiology.
    Cardiac troponin I levels measured with a high-sensitive assay increase over time and are strong predictors of mortality in an elderly population2013In: Journal of the American College of Cardiology, ISSN 0735-1097, E-ISSN 1558-3597, Vol. 61, no 18, p. 1906-1913Article in journal (Refereed)
    Abstract [en]

    BACKGROUND:

    Cardiac troponin levels are often detectable in community-dwellers when sensitive assays are applied. However, information on the course of troponin levels over time is limited.

    OBJECTIVES:

    We assessed changes in troponin levels, underlying conditions and the prognostic implications thereof in elderly subjects from the community.

    METHODS:

    Cardiac troponin I (cTnI) was measured using a novel high-sensitive assay from Abbott Laboratories in community-dwellers aged 70 years (PIVUS study). Measurements were performed at baseline (n=1004) and after 5 years (n=814). Total follow-up was 8.0 years.

    RESULTS:

    cTnI levels were detectable in 968 (96.4%) subjects at baseline, and independently predicted all-cause mortality (adjusted HR 1.44 [95% CI 1.18-1.77]) and cardiovascular mortality (adjusted HR 1.66 [95% CI 1.20-2.29]) when levels from baseline and 5-year follow-up were used as updated covariates. The integrated discrimination improvement of cTnI regarding all-cause mortality was 0.014 (p=0.04) and the category-free net reclassification improvement was 0.231 (p=0.02). Median cTnI levels increased by 45% between both measurements. The change in cTnI levels was significantly related to male sex (p=0.02), body mass index (p=0.01), HDL-cholesterol (p=0.005), N-terminal pro B-type natriuretic peptide (p=0.004) and the left-ventricular ejection fraction (p=0.04), and independently predicted all-cause mortality occurring after 5-year follow-up (adjusted HR 1.97 [1.14-3.40]; p=0.02).

    CONCLUSIONS:

    Using a novel high-sensitive assay, cTnI levels could be determined in nearly all elderly subjects. cTnI levels increased over time and were a strong marker of mortality risk. Our data suggest that cTnI might offer utility for clinical assessment of subjects in the general population.

  • 23.
    Eriksson, Niclas
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Wallentin, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Berglund, Lars
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center.
    Axelsson, Tomas
    Uppsala University, Science for Life Laboratory, SciLifeLab.
    Connolly, Stuart
    Hamilton Hlth Sci, Populat Hlth Res Inst, Hamilton, ON, Canada.;McMaster Univ, Hamilton, ON, Canada..
    Eikelboom, John
    Hamilton Hlth Sci, Populat Hlth Res Inst, Hamilton, ON, Canada.;McMaster Univ, Hamilton, ON, Canada..
    Ezekowitz, Michael
    Thomas Jefferson Univ, Sidney Kimmel Med Collage, Philadelphia, PA 19107 USA..
    Oldgren, Jonas
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
    Pare, Guillaume
    Hamilton Hlth Sci, Populat Hlth Res Inst, Hamilton, ON, Canada.;McMaster Univ, Hamilton, ON, Canada..
    Reilly, Paul
    Boehringer Ingelheim Pharma Inc, Ridgefield, CT USA..
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Syvänen, Ann-Christine
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular Medicine.
    Wadelius, Claes
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Medicinsk genetik och genomik.
    Yusuf, Salim
    Hamilton Hlth Sci, Populat Hlth Res Inst, Hamilton, ON, Canada.;McMaster Univ, Hamilton, ON, Canada..
    Wadelius, Mia
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Clinical pharmacogenomics and osteoporosis. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Genetic determinants of warfarin maintenance dose and time in therapeutic treatment range: a RE-LY genomics substudy2016In: Pharmacogenomics (London), ISSN 1462-2416, E-ISSN 1744-8042, Vol. 17, no 13, p. 1425-1439Article in journal (Refereed)
    Abstract [en]

    Aims: We investigated associations between genetic variation in candidate genes and on a genome-wide scale with warfarin maintenance dose, time in therapeutic range (TTR), and risk of major bleeding. Materials & methods: In total, 982 warfarin-treated patients from the RE-LY trial were studied. Results: After adjusting for SNPs in VKORC1 and CYP2C9, SNPs in DDHD1 (rs17126068) and NEDD4 (rs2288344) were associated with dose. Adding these SNPs and CYP4F2 (rs2108622) to a base model increased R-2 by 2.9%. An SNP in ASPH (rs4379440) was associated with TTR (-6.8% per minor allele). VKORC1 was associated with time less than INR 2.0. VKORC1 and CYP2C9 were associated with time more than INR 3.0, but not with major bleeding. Conclusions: We identified two novel genes associated with warfarin maintenance dose and one gene associated with TTR. These genes need to be replicated in an independent cohort.

  • 24.
    Eriksson, Oskar
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Studies on Tissue Factor with Focus on Cell Signaling and Cancer2015Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    This thesis have explored the functions of the protein Tissue Factor (TF), which together with its ligand coagulation factor VII/VIIa (FVII/FVIIa) forms a proteolytic complex that functions in initiation of blood coagulation and activation of cell signaling.

    In paper I, the mechanisms behind the observation that TF/FVIIa signaling protects cells from apoptosis were further investigated. Using cell culture models, we found that antiapoptotic signaling by TF/FVIIa requires signaling by the Insulin-like growth factor I receptor (IGF-1R), as synthetic IGF-1R inhibitors and IGF1-R siRNA knock-down abolished the antiapoptotic effect of FVIIa. Furthermore, the IGF-1R translocated to the cell nucleus after FVIIa stimulation, implying a role in regulation of gene expression.

    Papers II and III describe the discovery that the Eph tyrosine kinase receptors EphB2 and EphA2 are proteolytically cleaved directly by TF/FVIIa. By using mass spectrometry and N-terminal Edman sequencing, the exact cleavage site was identified after a conserved arginine residue in the EphA2/EphB2 ligand binding domains, in agreement with the cleavage preferences of FVIIa. TF and EphA2/EphB2 co-localized in cancer cell lines and FVIIa potentiated ligand-dependent Eph signaling by increasing cytoskeletal remodeling and cell repulsion, demonstrating a novel proteolytical event that modulates Eph receptor signaling.

    In paper IV, expression of TF was investigated in colorectal cancer in both the stromal and tumor cell compartments by immunohistochemistry using an anti-TF-antibody developed and validated by the Human Protein Atlas project. In normal large intestine, TF was strongly expressed in the innermost pericryptal sheath cell layer lining the epithelium, in a cell population distinct from intestinal pericryptal myofibroblasts. We evaluated TF expression in two colorectal cancer materials, and found that TF was variably present in both the stromal and tumor cell compartments. TF expressed by pericryptal sheath cells was progressively lost after the adenoma-to-carcinoma transition and was a strong predictor of survival in rectal but not colon cancer patients independently of disease stage, histological tumor grade and age.

    In summary, this thesis demonstrates novel signaling mechanisms for the TF/FVIIa complex, and provides evidence of a hitherto unknown role of TF expressed by a specific population of stromal cells in colorectal cancer.

    List of papers
    1. Tissue factor/factor VIIa induces cell survival and gene transcription by transactivation of the insulin-like growth factor 1 receptor
    Open this publication in new window or tab >>Tissue factor/factor VIIa induces cell survival and gene transcription by transactivation of the insulin-like growth factor 1 receptor
    2014 (English)In: Thrombosis and Haemostasis, ISSN 0340-6245, Vol. 111, no 4, p. 748-760Article in journal (Refereed) Published
    Abstract [en]

    The insulin-like growth factor 1 receptor (IGF-1R) is known to promote survival and has also been implicated in the pathogenesis of several disease states, including cardiovascular disorders and cancer. Recently, we showed that binding of coagulation factor VIIa (FVIIa) to its receptor tissue factor (TF) protects cancer cells from TNF-related apoptosis inducing ligand (TRAIL)-induced apoptosis. Here we present evidence that this biological function of TF/FVIIa is dependent on the IGF-1R. IGF-1R inhibitors AG1024 and PPP as well as siRNA-mediated downregulation of IGF-1R, abolished the TF/FVIIa-mediated protection against TRAIL-induced apoptosis. Moreover, FVIIa rapidly induced a time- and concentration-dependent tyrosine phosphorylation of the IGF-1R in MDA-MB-231 breast cancer cells and in primary human monocytes, an event that was accompanied by IGF-1R chromatin binding and gene transcription. We hereby present novel evidence of a cross-talk between the coagulation and IGF-1R signalling systems, and propose that the IGF-1R is a key player in mediating TF/FVIIa-induced cell survival.

    National Category
    Cell and Molecular Biology
    Identifiers
    urn:nbn:se:uu:diva-223990 (URN)10.1160/TH13-07-0593 (DOI)000334152900024 ()24336871 (PubMedID)
    Available from: 2014-04-29 Created: 2014-04-29 Last updated: 2018-01-11Bibliographically approved
    2. The Eph Tyrosine Kinase Receptors EphB2 and EphA2 Are Novel Proteolytic Substrates of Tissue Factor/Coagulation Factor VIIa
    Open this publication in new window or tab >>The Eph Tyrosine Kinase Receptors EphB2 and EphA2 Are Novel Proteolytic Substrates of Tissue Factor/Coagulation Factor VIIa
    Show others...
    2014 (English)In: Journal of Biological Chemistry, ISSN 0021-9258, E-ISSN 1083-351X, Vol. 289, no 47Article in journal (Refereed) Published
    Abstract [en]

    Tissue factor (TF) binds the serine protease factor VIIa (FVIIa) to form a proteolytically active complex that can trigger coagulation or activate cell signaling. Here we addressed the involvement of tyrosine kinase receptors (RTKs) in TF/FVIIa signaling by antibody array analysis and subsequently found that EphB2 and EphA2 of the Eph RTK family were cleaved in their ectodomains by TF/FVIIa. We used N-terminal Edman sequencing and LC-MS/MS analysis to characterize the cleaved Eph isoforms and identified a key arginine residue at the cleavage site, in agreement with the tryptic serine protease activity of FVIIa. Protease-activated receptor 2 (PAR2) signaling and downstream coagulation activity was non-essential in this context, in further support of a direct cleavage by TF/FVIIa. EphB2 was cleaved by FVIIa concentrations in the subnanomolar range in a number of TF expressing cell types, indicating that the active cellular pool of TF was involved. FVIIa caused potentiation of cell repulsion by the EphB2 ligand ephrin-B1, demonstrating a novel proteolytical event to control Eph-mediated cell segregation. These results define Eph RTKs as novel proteolytical targets of TF/FVIIa and provide new insights into how TF/FVIIa regulates cellular functions independently of PAR2.

    National Category
    Biochemistry and Molecular Biology
    Identifiers
    urn:nbn:se:uu:diva-240089 (URN)10.1074/jbc.M114.599332 (DOI)000345335000001 ()25281742 (PubMedID)
    Available from: 2015-01-05 Created: 2015-01-05 Last updated: 2017-12-05Bibliographically approved
    3. Tissue Factor/coagulation factor VIIa potentiates ligand-dependent EphA2 signaling in cancer cells
    Open this publication in new window or tab >>Tissue Factor/coagulation factor VIIa potentiates ligand-dependent EphA2 signaling in cancer cells
    Show others...
    (English)Manuscript (preprint) (Other academic)
    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:uu:diva-245804 (URN)
    Available from: 2015-03-01 Created: 2015-03-01 Last updated: 2015-04-17
    4. Tissue Factor in pericryptal sheath cells identifies a specific intestinal cell population and constitutes a candidate prognostic biomarker for rectal cancer
    Open this publication in new window or tab >>Tissue Factor in pericryptal sheath cells identifies a specific intestinal cell population and constitutes a candidate prognostic biomarker for rectal cancer
    Show others...
    (English)Manuscript (preprint) (Other academic)
    National Category
    Medical and Health Sciences
    Identifiers
    urn:nbn:se:uu:diva-245803 (URN)
    Available from: 2015-03-01 Created: 2015-03-01 Last updated: 2015-04-17
  • 25.
    Eriksson, Oskar
    et al.
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Asplund, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Hegde, Geeta
    Human Prot Atlas Project, Lab Surgpath, Mumbai Site, Bombay, Maharashtra, India..
    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.
    Navani, Sanjay
    Human Prot Atlas Project, Lab Surgpath, Mumbai Site, Bombay, Maharashtra, India..
    Ponten, Fredrik
    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.
    Siegbahn, A
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    A stromal cell population in the large intestine identified by tissue factor expression that is lost during colorectal cancer progression2016In: Thrombosis and Haemostasis, ISSN 0340-6245, Vol. 116, no 6, p. 1050-1059Article in journal (Refereed)
    Abstract [en]

    Colorectal cancer (CRC) is a major cause of morbidity and mortality, and the composition of the tumour stroma is a strong predictor of survival in this cancer type. Tissue factor (TF) functions as the trigger of haemostasis together with its ligand coagulation factor VII/ VIIa, and TF expression has been found in tumour cells of colorectal tumours. However, TF expression in the CRC tumour stroma or its relationship to patient outcome has not yet been studied. To address this question we developed and validated a specific anti-TF antibody using standardised methods within the Human Protein Atlas project. We used this antibody to investigate TF expression in normal colorectal tissue and CRC using immunofluorescence and immunohistochemistry in two patient cohorts. TF was strongly expressed in a cell population immediately adjacent to the colorectal epithelium. These TF-positive cells were ACTA2-negative but weakly vimentin-positive, defining a specific population of pericryptal sheath cells. In colorectal tumours, TF-positive sheath cells were progressively lost after the adenoma-to-carcinoma transition, demonstrating downregulation of this source of TF in CRC. Furthermore, loss of sheath cell TF was significantly associated with poor overall and disease-specific survival in rectal but not colon cancers. In conclusion, we demonstrate that TF is a marker of a specific cell population in the large intestine, which is lost during CRC progression. Our results highlight the role of the tumour stroma in this cancer type and suggest TF to be a potential prognostic biomarker in rectal cancers through the identification of pericryptal sheath cells.

  • 26.
    Eriksson, Oskar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Asplund, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    Hegde, Geeta
    Edqvist, Per-Henrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    Navani, Sanjay
    Pontén, Fredrik
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Tissue Factor in pericryptal sheath cells identifies a specific intestinal cell population and constitutes a candidate prognostic biomarker for rectal cancerManuscript (preprint) (Other academic)
  • 27.
    Eriksson, Oskar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science. Uppsala University, Science for Life Laboratory, SciLifeLab. Antaros Med AB, Uppsala, Sweden.
    Bossart, M.
    Sanofi Aventis, Frankfurt, Germany..
    Haack, T.
    Sanofi Aventis, Frankfurt, Germany..
    Laitinen, I.
    Sanofi Aventis, Frankfurt, Germany..
    Larsen, P.
    Sanofi Aventis, Frankfurt, Germany..
    Plettenburg, O.
    Helmholtz Zentrum, Munich, Germany..
    Johansson, L.
    Antaros Med AB, Molndal, Sweden..
    Pierrou, S.
    Antaros Med AB, Molndal, Sweden..
    Wagner, M.
    Sanofi Aventis, Frankfurt, Germany..
    Velikyan, Irina
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Radiology. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry, Preparative Medicinal Chemistry. Uppsala PET Ctr, Uppsala, Sweden..
    First-in-class PET tracer for the glucagon receptor2017In: Diabetologia, ISSN 0012-186X, E-ISSN 1432-0428, Vol. 60, p. S400-S400Article in journal (Other academic)
  • 28.
    Eriksson, Oskar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Håkansson, Lena Douhan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Biochemial structure and function.
    Karawajczyk, Malgorzata
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Biochemial structure and function.
    Garwicz, Daniel
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Biochemial structure and function.
    Neutrophil CD64 expression - comparison of two different flow cytometry protocols on EPICs MCL and the Leuko64 (TM) assay on a Celldyn Sapphire haematology analyser2015In: Scandinavian Journal of Clinical and Laboratory Investigation, ISSN 0036-5513, E-ISSN 1502-7686, Vol. 75, no 5, p. 428-433Article in journal (Refereed)
    Abstract [en]

    Objective. To evaluate the Trillium Diagnostics Leuko64 (TM) assay on Abbott Celldyn Sapphire haematology analyser compared to two flow cytometry protocols on Beckman Coulter EPICS MCL flow cytometer. Materials and methods. CD64 expression on neutrophils was determined by two flow cytometry protocols and by a commercial assay on an automatic haematology analyser. The inclusion of study subjects was based on elevated procalcitonin (PCT) values, identifying patients where a systemic infection was suspected. Healthy blood donors were used as a reference group. Results. Statistically significant correlations between the Trillium Diagnostics Leuko64 (TM) assay and the flow cytometry methods were found when measuring neutrophil CD64 expression. Conclusions. The good correlation between a reference method and an automated haematology analyser method for CD64 expression on neutrophils supports introduction of the latter assay for routine use as an independent biomarker of bacterial infection and inflammation.

  • 29.
    Eriksson, Oskar
    et al.
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Ramström, Margareta
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - BMC, Analytical Chemistry.
    Hörnaeus, Katarina
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - BMC, Analytical Chemistry.
    Bergquist, Jonas
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - BMC, Analytical Chemistry.
    Mokhtari, Dariush
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Siegbahn, Agneta
    Uppsala University, Science for Life Laboratory, SciLifeLab. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    The Eph Tyrosine Kinase Receptors EphB2 and EphA2 Are Novel Proteolytic Substrates of Tissue Factor/Coagulation Factor VIIa2014In: Journal of Biological Chemistry, ISSN 0021-9258, E-ISSN 1083-351X, Vol. 289, no 47Article in journal (Refereed)
    Abstract [en]

    Tissue factor (TF) binds the serine protease factor VIIa (FVIIa) to form a proteolytically active complex that can trigger coagulation or activate cell signaling. Here we addressed the involvement of tyrosine kinase receptors (RTKs) in TF/FVIIa signaling by antibody array analysis and subsequently found that EphB2 and EphA2 of the Eph RTK family were cleaved in their ectodomains by TF/FVIIa. We used N-terminal Edman sequencing and LC-MS/MS analysis to characterize the cleaved Eph isoforms and identified a key arginine residue at the cleavage site, in agreement with the tryptic serine protease activity of FVIIa. Protease-activated receptor 2 (PAR2) signaling and downstream coagulation activity was non-essential in this context, in further support of a direct cleavage by TF/FVIIa. EphB2 was cleaved by FVIIa concentrations in the subnanomolar range in a number of TF expressing cell types, indicating that the active cellular pool of TF was involved. FVIIa caused potentiation of cell repulsion by the EphB2 ligand ephrin-B1, demonstrating a novel proteolytical event to control Eph-mediated cell segregation. These results define Eph RTKs as novel proteolytical targets of TF/FVIIa and provide new insights into how TF/FVIIa regulates cellular functions independently of PAR2.

  • 30.
    Eriksson, Oskar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Thulin, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Asplund, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Hedge, G.
    Navani, S.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Cross-talk between tissue factor and EPHA2 in cancer: potentiation of ligand-dependent EPHA2-signaling in vitro and co-expression in human colorectal cancer specimens2015In: Journal of Thrombosis and Haemostasis, ISSN 1538-7933, E-ISSN 1538-7836, Vol. 13, no S2, p. 111-111, article id OR046Article in journal (Other academic)
  • 31.
    Eriksson, Oskar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Thulin, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Asplund, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
    Hegde, Geeta
    Human Prot Atlas Project, Lab Surgpath, Mumbai Site, Bombay, Maharashtra, India..
    Navani, Sanjay
    Human Prot Atlas Project, Lab Surgpath, Mumbai Site, Bombay, Maharashtra, India..
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Cross-talk between the Tissue Factor/coagulation factor VIIa complex and the tyrosine kinase receptor EphA2 in cancer2016In: BMC Cancer, ISSN 1471-2407, E-ISSN 1471-2407, Vol. 16, article id 341Article in journal (Refereed)
    Abstract [en]

    Background: Tissue Factor (TF) forms a proteolytically active complex together with coagulation factor VIIa (FVIIa) and functions as the trigger of blood coagulation or alternatively activates cell signaling. We recently described that EphA2 of the Eph tyrosine kinase receptor family is cleaved directly by the TF/FVIIa complex. The aim of the present study was to further characterize the cross-talk between TF/FVIIa and EphA2 using in vitro model systems and human cancer specimens. Methods: Cleavage and phosphorylation of EphA2 was studied by Western blot. Subcellular localization of TF and EphA2 was investigated by a proximity ligation assay and confocal microscopy. Phalloidin staining of the actin cytoskeleton was used to study cell rounding and retraction fiber formation. Expression of TF and EphA2 in human colorectal cancer specimens was examined by immunohistochemistry. Results: TF and EphA2 co-localized constitutively in MDA-MB-231 cells, and addition of FVIIa resulted in cleavage of EphA2 by a PAR2-independent mechanism. Overexpression of TF in U251 glioblastoma cells lead to co-localization with EphA2 at the leading edge and FVIIa-dependent cleavage of EphA2. FVIIa potentiated ephrin-A1-induced cell rounding and retraction fiber formation in MDA-MB-231 cells through a RhoA/ROCK-dependent pathway that did not require PAR2-activation. TF and EphA2 were expressed in colorectal cancer specimens, and were significantly correlated. Conclusions: These results suggest that TF/FVIIa-EphA2 cross-talk might potentiate ligand-dependent EphA2 signaling in human cancers, and provide initial evidence that it is possible for this interaction to occur in vivo.

  • 32.
    Eriksson, Oskar
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Thulin, Åsa
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Asplund, Anna
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology, Molecular and Morphological Pathology.
    Hegde, Geeta
    Navani, Sanjay
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Tissue Factor/coagulation factor VIIa potentiates ligand-dependent EphA2 signaling in cancer cellsManuscript (preprint) (Other academic)
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    Ganna, Andrea
    et al.
    Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
    Salihovic, Samira
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiovascular epidemiology.
    Sundström, Johan
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiovascular epidemiology. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
    Broeckling, Corey D
    Proteomics and Metabolomics Facility, Colorado State University, Fort Collins, Colorado, United States of America.
    Hedman, Åsa K
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Molecular epidemiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
    Magnusson, Patrik K E
    Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
    Pedersen, Nancy L
    Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
    Larsson, Anders
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Biochemial structure and function.
    Siegbahn, Agneta
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Coagulation and inflammation science.
    Zilmer, Mihkel
    Department of Biochemistry, Centre of Excellence for Translational Medicine, University of Tartu, Tartu, Estonia.
    Prenni, Jessica
    Proteomics and Metabolomics Facility, Colorado State University, Fort Collins, Colorado, United States of America.
    Ärnlöv, Joha