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A Function of Targeting Fusion Protein XE-TNFom2 to Lead Apoptosis in Cells Infected by HIV/SIV
Author(s): 
Pages: 9-13
Year: Issue:  3
Journal: China Biotechnology

Keyword:  靶向融合蛋白凋亡;
Abstract: 研制了基因工程靶向融合蛋白XE-TNFαm2.其中,XE为HIV/SIV辅助受体CXCR4的第二胞外域;TNFαm2是经突变改型的TNFα,其毒副作用已降低18倍,已用于临床治疗恶性肿瘤.已有的研究表明XE-TNFαm2的功能之一是杀灭受HIV/SIV感染的细胞、但不杀伤未受HIV/SIV感染的正常细胞.探讨XE-TNFαm2可否引起细胞的凋亡,以阐明其杀伤细胞作用的可能机制.结果表明,XE-TNFαm2只能引起受HIV/SIV感染细胞的凋亡,但不能引起未受HIV/SIV感染的正常细胞的凋亡.这一结果表明XE-TNFαm2是一种可特异杀灭受HIV/SIV感染细胞的准确靶向融合蛋白,其毒副作用己最小化.
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