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血管内皮生长因子及胎盘微血管密度与自然流产的相关性 被引量:9

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摘要 目的研究血管内皮生长因子(vascular endothelial growth factor,VEGF)和胎盘微血管密度(mi-crovessel density,MVD)在自然流产胚胎和人工流产胚胎中的表达量的差异,分析其与自然流产的关系。方法按照孕周分组,采用免疫组化法检测25例自然流产胚胎(病例组)绒毛组织中VEGF的表达并采用CD34标记血管内皮细胞检测胎盘微血管密度,同时收集44例人工流产的胚胎绒毛组织(对照组)进行对照分析研究。结果在不同的孕周,病例组其VEGF的表达量和胎盘微血管密度均较对照组的降低,且对照组随着孕周的增加,VEGF的表达量和胎盘微血管密度逐渐增加,而在病例组中却不存在这样的趋势;相关性研究表明VEGF的表达量和胎盘微血管密度之间存在正相关。结论自然流产的胚胎组织与同孕周的人工流产的胚胎组织相比,其VEGF表达量和胎盘微血管密度较低,提示VEGF表达量下降可导致血管生成障碍进一步引起自然流产的发生。
出处 《广东医学》 CAS CSCD 北大核心 2009年第12期1870-1872,共3页 Guangdong Medical Journal
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