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不明原因早期复发性自然流产患者蜕膜组织中杀伤细胞免疫球蛋白样受体2DL1的表达 被引量:4

Expression of the killer cell immunoglobulin-like receptor in deciduas of unexplained first trimester spontaneous abortion
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摘要 目的研究不明原因早期复发性自然流产(RSA)患者早孕蜕膜组织中杀伤细胞免疫球蛋白样受体(KIR)2DL1 mRNA和蛋白的表达变化,探讨RSA发病的免疫机制。方法选择30例不明原因早期RSA者作为研究组,30例同期正常早孕要求行人工流产术者为对照组,采用SYBR绿色荧光染料I(SYBR Green I)实时荧光定量PCR法及Western blotting技术检测两组蜕膜组织中KIR2DL1 mRNA和蛋白的表达差异。结果①研究组蜕膜中KIR2DL1-mRNA阳性表达率为90.00%(27/30),对照组蜕膜中KIR2DL1-mRNA阳性表达率为96.67%(29/30),两者无统计学差异(P>0.05)。研究组KIR2DL1-mRNA表达量用RQ值表示为699.37±259.78,对照组KIR2DL1-mRNA的表达量为1 002.96±476.976,差异亦无统计学意义(P>0.05);②研究组蜕膜中KIR2DL1蛋白阳性表达率为86.67%(26/30),对照组蜕膜中KIR2DL1蛋白阳性表达率为93.33%(28/30),两者差异无统计学意义(P>0.05)。但研究组蜕膜中KIR2DL1蛋白的表达量0.28±0.14显著低于对照组0.71±0.14(P<0.05)。结论蜕膜组织中KIR2DL1表达量降低,传递给NK细胞的抑制性信号减少,可能影响母胎免疫耐受过程,导致RSA的发生。 Objective To investigate mRNA and protein expressions of a killer cell immunoglobulin-like receptor(KIR) 2DL1 in deciduas of unexplained first trimester spontaneous abortion.Methods Expressions of KIR2DL1 mRNA and protein in deciduas of unexplained first trimester spontaneous abortion and normal first trimester pregnant women were determined by SYBR Green I real-time quantitative retroverse polymerase chain reaction(RT-PCR) and Western blotting methods.Results ① Expression of the KIR2DL1 mRNA in deciduas of...
出处 《山东大学学报(医学版)》 CAS 北大核心 2009年第7期81-84,共4页 Journal of Shandong University:Health Sciences
基金 国家重点基础研究发展计划项目(2006CB944004)
关键词 杀伤细胞性免疫球蛋白样受体 蜕膜 流产 复发性 Killer cell immunoglobulin-like receptor Decidua Spontaneous abortion recurrent
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