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早孕及稽留流产绒毛组织中LIF MMP-9 TIMP-1的表达

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摘要 目的探讨早孕和稽留流产妇女绒毛组织中白血病抑制因子(LIF)、基质金属蛋白酶-9(MMP-9)和基质金属蛋白酶组织抑制物-1(TIMP-1)的表达,分析其与稽留流产的关系及其临床意义。方法应用免疫组织化学S-P法,检测早孕和稽留流产行清宫术的妇女各30例的绒毛组织中LIF、MMP-9及TIMP-1的表达。结果 1)两组妇女绒毛组织中LIF均呈现阳性表达,阳性染色主要位于滋养细胞细胞质中,细胞核无明显着色,稽留流产组与其对照组比较,染色强度及范围显著减弱,差异有统计学意义(P<0.05);2)稽留流产妇女绒毛组织中MMP-9表达水平高于对照组(P<0.05);3)TIMP-1的水平无明显差异(P>0.05)。结论 LIF与MMP-9呈负相关。LIF、MMP-9对妊娠的正常维持有一定的保护作用,LIF在早孕绒毛组织中的低表达,可能与MMP-9水平升高有关,二者失衡是导致稽留流产的原因之一。
出处 《济宁医学院学报》 2012年第2期119-121,共3页 Journal of Jining Medical University
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