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肿瘤坏死因子-α与胎膜早破

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摘要 目的探讨肿瘤坏死因子(TNF)α在胎膜早破发病机制中的作用及意义。方法采集无任何妊娠并发症、临产前要求剖宫产分娩的初产妇(包括19例足月胎膜早破、15例足月前胎膜早破和作对照的17例正常未破膜者)血、羊水及胎膜,用双抗体夹心酶联免疫吸附实验法测定血清、羊水中TNFα的浓度,胎膜常规苏木素伊红染色后行组织病理学检查及TUNEL技术精确标记后细胞凋亡指数的测定。结果①胎膜早破组血清、羊水中TNFα浓度明显高于对照组,差异有显著性(P<0.05或<0.01);且胎膜早破组胎膜感染的发生率和胎膜的细胞凋亡指数也较对照组高,差异有显著性(P<0.05或<0.01);但足月和足月前胎膜早破两组间血清、羊水中TNFα浓度、胎膜感染率和细胞凋亡指数差异均无显著性(P>0.05)。②胎膜有感染组血清、羊水中TNFα浓度及胎膜细胞凋亡指数明显高于无感染组,差异有显著性(P<0.01);在无感染组中胎膜早破的血清、羊水中TNFα浓度及胎膜细胞凋亡指数也较对照组高,差异有显著性(P<0.01)。③所有研究对象血清、羊水中TNFα浓度呈明显正相关(r=0.386,P<0.01)。结论TNFα在胎膜早破发病机制中有促炎、降解细胞外基质、诱导细胞凋亡等功效;神经内分泌免疫网络失衡所致的胎膜细胞凋亡增加可能是胎膜早破的又一发病机制。
出处 《中国综合临床》 北大核心 2006年第1期81-83,共3页 Clinical Medicine of China
基金 河北省卫生厅科技基金项目(04067)
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参考文献6

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