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CTLA-4及协同刺激信号与孕早期不明原因反复自然流产的关系 被引量:3

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摘要 目的:研究孕早期不明原因反复自然流产(URSA)患者外周血、蜕膜组织CTLA-4及相关免疫分子的表达及其在母胎免疫调节中的作用。方法:采集10例正常育龄妇女(正常非孕组)黄体期、12例正常育龄妇女早孕期(正常妊娠组)和23例孕早期不明原因反复流产患者(URSA组)流产时的外周血,同时留取正常育龄妇女及反复流产患者早孕期行人工流产时蜕膜组织,应用流式细胞仪进行分析,比较CTLA-4、CD4+CD25+、CD80、CD86的表达水平。结果:CTLA-4在3组外周血中表达差异无统计学意义(P>0.05),正常妊娠组外周血淋巴细胞CD4+CD25+的表达显著高于URSA组与正常非孕组,差异有统计学意义(P<0.05),URSA组外周血淋巴细胞中CD80、CD86的表达显著高于正常妊娠组及正常非孕组,差异有统计学意义(P<0.05),正常妊娠组蜕膜组织CTLA-4、CD4+CD25+的表达显著高于URSA组,差异有统计学意义(P<0.05),URSA组蜕膜组织CD80、CD86的表达显著高于正常妊娠组(P<0.05)。结论:蜕膜组织淋巴细胞CTLA-4、CD4+CD25+、CD80、CD86的表达情况在母胎界面免疫耐受调控中起重要作用,外周血淋巴细胞CD4+CD25+、CD80、CD86的表达水平与孕早期反复流产有一定的相关性。
出处 《中国妇幼保健》 CAS 2015年第3期405-407,共3页 Maternal and Child Health Care of China
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