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CTLA-4Ig在诱导器官移植免疫耐受中的研究新进展 被引量:2

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摘要 目前器官移植最大障碍依然是术后排斥反应的发生。因此,寻找诱导免疫耐受的方法一直是器官移植领域的研究热点。抗原特异性T细胞的有效活化除需要TCR识别抗原提呈细胞(antigen presenting cell,APC)提呈的MHC一肽作为第一信号外,还必需有APC和T细胞表面的共刺激分子之间相互作用所提供的共刺激信号作为第二信号才能顺利完成,阻断该第二信号而仅有第一信号则可以引起T细胞克隆无能甚至是凋亡,从而诱导器官移植免疫耐受。
出处 《中华内分泌外科杂志》 CAS 2012年第1期57-58,共2页 Chinese Journal of Endocrine Surgery
基金 国家自然科学基金(30871295)
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