نتایج جستجو برای: coagulant activity
تعداد نتایج: 1136053 فیلتر نتایج به سال:
T issue factor (TF) is the principal initiator of blood clotting in response to vascular injury and in thrombotic disease (1). TF, an integral membrane protein, is normally excluded from the vascular compartment. Coagulation is initiated when TF is exposed to zymogen coagulation proteases in plasma upon vascular damage. TF first binds factor VII, supporting both its activation to VIIa and activ...
Because human platelets participate in the contact phase of intrinsic coagulation and contain a Factor XI-like coagulant activity, the nature of the Factor XI-like activity was examined and compared with purified plasma Factor XI. The platelet factor XI-like activity was sedimented with the particulate fraction of a platelet lysate, was inactivated by heat (t(1/2) 3.5 min, 56 degrees C), was no...
The coagulant properties of intact bovine vascular cells (aortic endothelial and smooth muscle cells) and human vascular cells (cutaneous and foreskin microvascular cells, umbilical venous endothelium) grown in vitro were studied. Compared to nonvascular cells (fibroblasts, corneal endothelial cells, fetal lung or intestinal mucosal cells), vascular cells had little procoagulant activity. Radio...
Viper’s venom is a source of biopharmaceutical compounds, hence the need to assess the effect of this animal extract on human blood. Here, we studied the blood coagulation disorders and hemolytic activities of the venom of M. bornmulleri viper. The pro-coagulant and anticoagulant effects are analyzed with venom concentrations ranging from 0.4 to 0.0031 mg/mL. Thus, the PT is way above the norma...
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