首页> 外文期刊>Thrombosis Research: An International Journal on Vascular Obstruction, Hemorrhage and Hemostasis >Thrombin activity and platelet microparticle formation are increased in type 2 diabetic platelets: a potential correlation with caspase activation.
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Thrombin activity and platelet microparticle formation are increased in type 2 diabetic platelets: a potential correlation with caspase activation.

机译:在2型糖尿病血小板中,凝血酶活性和血小板微粒形成增加:与caspase活化的潜在相关性。

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摘要

Diabetics suffer from many complications including a prothrombotic condition. Activated platelet membrane provides an anchor, phosphatidylserine, for the attachment of the prothrombinase complex, which allows increased thrombin formation. This study aimed to further elucidate the interrelationship between coagulation proteins and activated platelets in type 2 diabetic blood. We found that there was a significant increase (30x) in thrombin activity in the type 2 diabetic (ZDF) blood as compared to age-matched (ZL) controls (p<0.001). There was also a significant increase in the number of platelet microparticles in the type 2 diabetic rat compared to the lean control (p<0.001). Further, there were significant increases in caspase-3, -6, and -8 activities in the type 2 diabetic rats as compared to the lean controls (p<0.05). The combination of increased thrombin activity, increased PMP formation and increased caspase activity may contribute to the hypercoagulability of the diabetic blood. These results give more insight into the mechanisms underlying the interrelationship between diabetic platelets and coagulation proteins causing a prothrombotic condition in this patient population at increased risk from thromboembolic events.
机译:糖尿病患者患有许多并发症,包括血栓形成状况。活化的血小板膜为锚定凝血酶原酶复合物提供了锚定磷脂酰丝氨酸,从而增加了凝血酶的形成。这项研究旨在进一步阐明2型糖尿病血液中凝血蛋白与活化血小板之间的相互关系。我们发现与年龄匹配(ZL)对照相比,2型糖尿病(ZDF)血液中凝血酶活性显着提高(30x)(p <0.001)。与瘦对照相比,2型糖尿病大鼠的血小板微粒数量也显着增加(p <0.001)。此外,与瘦对照组相比,2型糖尿病大鼠的caspase-3,-6和-8活性显着增加(p <0.05)。凝血酶活性增加,PMP形成增加和胱天蛋白酶活性增加的组合可能有助于糖尿病血液的高凝性。这些结果使人们更深入地了解了糖尿病血小板与凝血蛋白之间相互关系的潜在机制,这些关系蛋白导致该患者人群中发生血栓栓塞事件风险增加的血栓形成状况。

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