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Evaluation of hemostatic effects of Haemocoagulase Agkistrodon and the mechanisms
Author(s): 
Pages: 1706-1709
Year: Issue:  18
Journal: Chinese Journal of New Drugs

Keyword:  GetLinkList(KeywordFilter('尖吻蝮蛇血凝酶止血机制药效评价纤维蛋白原凝血因子ⅩⅢ')'kw''CJFQ');
Abstract: 目的:研究注射用尖吻蝮蛇血凝酶(Haemocoagulase Agkistrodon,HCA,商品名苏灵)的止血效果及其作用机制。方法:通过体内外形成血栓实验,了解药物的凝血效果及其是否激活凝血因子ⅩⅢ;通过HCA对纤维蛋白原的裂解作用探讨其凝血机制。结果:HCA作用下体内外形成血栓的大小与立止血相差不大,差异无统计学意义;蛋白凝胶电泳图显示HCA作用12 h后纤维蛋白原α亚基带消失;高效液相色谱图显示在8.8 min处有明显的峰出现。结论:HCA具有良好的止血效果,且不激活凝血因子ⅩⅢ;HCA能水解纤维蛋白原的α亚基,裂解出A肽片段(FpA),形成纤维蛋白单体(αBβγ),并聚合成纤维蛋白多聚体,发挥止血作用。
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