新型直接凝血酶抑制剂的研究

来源 :中国生物化学与分子生物学会第十二届会员代表大会暨2018年全国学术会议 | 被引量 : 0次 | 上传用户:panfeng123456
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  心脑血管疾病为全球首位死亡原因,最主要的治疗方法便是抗凝防栓。以重组双功能水蛭素(r-RGD-hirudin)为基础,保留其主要功能氨基酸残基,设计出一条具有抗凝活性的短肽(Direct Thrombin Inhibitor Peptide,DTIP)。利用毕赤酵母表达 DTIP,经纯化后获得纯度大于 95%的目的蛋白。体内和体外试验结果均显示 DTIP 显著延长各项凝血指标,并且与药物浓度呈正相关性,剪尾试验结果表明 DTIP 不会引起出血。
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