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关于子痫前期患者血清及胎盘组织中胎盘生长因子表达变化的研究 被引量:1

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摘要 目的研究正常妊娠母体和子痫前期(PE)母体胎盘生长因子(PLGF)在外周血和胎盘组织中表达差异。探讨子痫前期(PE)的发病机制与PLFG的相关性。方法随机选择,研究组:足月子痫前期孕妇50例;对照组:同期正常足月分娩孕妇50例。两组孕妇年龄、体重、孕周无统计学差异,均无其他妊娠合并症及并发症。孕妇住院后,于次日清晨,检测静脉血清中PLFG。产后立即采集胎盘标本(母体面中央处)。用高清晰彩色病理图像免疫组化自动测量系统进行分析,测定视野内胎盘合体滋养细胞阳性染色的灰度。结果对照组血清PLGF:(147.55±86.66)ng/L,PE组血清中PLGF:(50.41±8.86)ng/L,两组数据显著差异(P<0.05)。两组平均灰度值,对照组(20098.4±5.7),研究组(15111.8±6.1),两组数据存在显著差异(P<0.05)。对照组足月胎盘组织中,绒毛发育良好,绒毛干血管扩张明显,间质细胞少,可见较多的合体细胞结节及合体细胞桥。研究组胎盘绒毛发育欠佳,绒毛血管扩张不良,间质细胞增生,滋养细胞层的合体细胞结节及合体细胞桥较少。结论 PLGF在PE组孕妇的外周血和胎盘组织中表达降低,可能与PE的病因及病理生理相关,子痫前期患者胎盘合体滋养细胞存在超微结构破坏,导致物质交换障碍。
出处 《齐齐哈尔医学院学报》 2011年第20期3312-3313,共2页 Journal of Qiqihar Medical University
基金 深圳市宝安区科技计划-社会公益项目(20110489)
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参考文献6

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