نتایج جستجو برای: platelet aggregation inhibitorsadverse effects
تعداد نتایج: 1687119 فیلتر نتایج به سال:
The digestion of fibrinogen with various concentrations of trypsin results in the formation of a variety of degradation products. Degradation products formed in this way have been purified by DEAE cellulose column chromatography and their effects on platelet aggregation investigated.TWO METHODS HAVE BEEN USED TO STUDY PLATELET AGGREGATION: a turbidimetric method which assesses platelet aggregat...
Effects of keishibukuryogan (KBG) on platelet aggregation were investigated. To ensure the specificity of KBG, tokishakuyakusan (TSS) and kamisyoyosan (KSS), which are known to have platelet aggregation-inhibiting effects, and rikkunshito (RKT) and shakuyakukanzoto (SKT), which are considered to be devoid of such effects, were used for comparison. The platelet aggregation of each test drug was ...
Adenine was isolated as a platelet aggregating inhibitor from the leaves of Cassia alata by HPLC using a triacontylsilyl silica (C(30)) column. The inhibitory effects of adenine and adenosine (positive control) on the platelet aggregation induced by collagen or adenosine 5'-diphosphate (ADP) as an aggregating agent was evaluated with a platelet aggregometer using a laser-scattering method. As a...
The molecular basis for heparin-induced thrombocytopenia (HIT), a relatively common complication of heparin therapy, is not yet fully understood. We found that pretreatment of platelets with AR-C66096 (formerly FPL 66096), a specific platelet adenosine diphosphate (ADP) receptor antagonist, at a concentration of 100 to 200 nmol/L that blocked ADP-dependent platelet aggregation, resulted in comp...
Platelets promote angiogenesis by releasing angiogenesisregulating factors from their a-granules upon aggregation. This effect has both physiologic and pathologic significance as it may contribute to carcinogenesis. Platelet a-granule release and aggregation are regulated, in part, via protein kinase C (PKC) a and b signaling. Our study investigated the effects of PKC inhibition on aggregation,...
Platelet aggregation is the key process in primary hemostasis. Certain conditions such as hypoxia may induce platelet aggregation and lead to platelet sequestration primarily in the pulmonary microcirculation. We investigated the influence of high-altitude exposure on platelet function as part of a larger study on 30 subjects with a history of high-altitude pulmonary edema (HAPE) and 10 healthy...
Platelets promote angiogenesis by releasing angiogenesisregulating factors from their a-granules upon aggregation. This effect has both physiologic and pathologic significance as it may contribute to carcinogenesis. Platelet a-granule release and aggregation are regulated, in part, via protein kinase C (PKC) a and b signaling. Our study investigated the effects of PKC inhibition on aggregation,...
Succinobucol is a phenolic antioxidant with anti-inflammatory and antiplatelet effects. Given the importance of oxidant stress in modulating platelet-platelet and platelet-vessel wall interactions, the aim of this study was to establish if antioxidant activity was responsible for the antiplatelet activity of succinobucol. Platelet aggregation in response to collagen and adenosine diphosphate (A...
The effect of a human fibrinogen preparation on in vitro platelet aggregation was assessed. Platelets were obtained from healthy volunteers. Human fibrinogen induced platelet aggregation in 65% of platelet rich plasma samples and enhanced submaximal platelet aggregation induced by heparin or by several conventional agonists in all samples. Aggregation induced by fibrinogen alone was reversed by...
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