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Endothelial Dysfunction and Platelet Activation in Major Depressive Disorder: Association with Brain Perfusion Abnormalities
Conclusions: Our data confirmed increased rates of endothelial damage and platelet activation in non-treated MDD patients. Furthermore, we found a positive association between regional brain perfusion and platelet activation. Together, our observations showed impairment of two fundamental hemostatic components, platelets and endothelial cells, in MDD patients, which may explain not only the increased risk of systemic vascular complications but also the association with the brain vasculature. These findings may allow to explore new treatments aimed at protecting the endothelium and targeting platelet activation, as a compre...
Source: Blood - November 21, 2018 Category: Hematology Authors: Pereira, J., Massardo, T., Saez, C. G., Olivares, N., Valenzuela, J. G., Risco, L., Veliz, J., Spuler, J., Castro, G., Falloux, E., Villa, C., Quintana, J. C., Vicentini, D., Mezzano, D. Tags: 301. Vascular Wall Biology, Endothelial Progenitor Cells, and Platelet Adhesion, Activation, and Biochemistry Source Type: research

Efficacy and Safety of Direct Oral Factor Xa Inhibitors in 795 Morbidly Obese Patients
Conclusions: Our study is the largest study examining morbidly obese patients on DOACS and provides further evidence of comparable efficacy and safety of the direct oral anti-Xa inhibitors, compared to warfarin, in morbidly obese patients with AF and VTE.DisclosuresKushnir: Janssen: Research Funding. Billett: Bayer: Consultancy; Janssen: Research Funding.
Source: Blood - November 21, 2018 Category: Hematology Authors: Kushnir, M., Choi, Y., Eisenberg, R., Rao, D., Tolu, S., Gao, J., Mowrey, W., Billett, H. H. Tags: 332. Antithrombotic Therapy: Management of Challenging Patients and Scenarios Source Type: research

ADAMTS13 controls vascular remodeling by modifying VWF reactivity during stroke recovery
Angiogenic response is essential for ischemic brain repair. The von Willebrand factor (VWF)–cleaving protease disintegrin and metalloprotease with thrombospondin type I motif, member 13 (ADAMTS13) is required for endothelial tube formation in vitro, but there is currently no in vivo evidence supporting a function of ADAMTS13 in angiogenesis. Here we show that mice deficient in ADAMTS13 exhibited reduced neovascularization, brain capillary perfusion, pericyte and smooth muscle cell coverage on microvessels, expression of the tight junction and basement membrane proteins, and accelerated blood-brain barrier (BBB) break...
Source: Blood - July 6, 2017 Category: Hematology Authors: Xu, H., Cao, Y., Yang, X., Cai, P., Kang, L., Zhu, X., Luo, H., Lu, L., Wei, L., Bai, X., Zhu, Y., Zhao, B.-Q., Fan, W. Tags: Plenary Papers, Thrombosis and Hemostasis, Vascular Biology Source Type: research