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胞饮突——极具价值的种植窗预测工具 被引量:8

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摘要 胞饮突是子宫内膜种植窗开放时非常重要的形态学改变,近年来已作为子宫内膜容受性标志被接受。黄体中期扫描电镜可见子宫内膜腔面发育增大的光滑膜凸起,形如蘑菇,称为pinopode或uterodome。分发育中、发育完全、退化3个阶段,表达数量与胚胎种植率紧密相关;总寿命≤48h,出现时间个体差异可达5d,促排周期略提前,激素替代时出现较晚;其与内膜上整合素,LIF,HB-EGF,前列腺素类和谷氧还蛋白/硫氧还蛋白等表达密切关联。因此,胞饮突可作为一个重要的标记物来预测子宫内膜种植窗开放时间。
作者 王瑶 冯云
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