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骨桥蛋白在子宫内膜细胞的多因素调节 被引量:4

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摘要 目的:通过体外研究雌激素(E2)、孕激素(MPA)、肝素结合表皮生长因子(HB-EGF)对骨桥蛋白(OPN)在子宫内膜细胞中表达的调节,探讨OPN在子宫内膜表达的意义。方法:体外培养高分化子宫内膜癌细胞Ishikawa细胞株,按实验目的做空白对照(不加刺激因素)和加入E2(10-8mol/L),MPA(10-6mol/L),MPA(10-6mol/L)联合E2(10-8mmol/L),肝素结合表皮生长因子HB-EGF(10ng/mL)刺激48~72h后,采用免疫组化、WesternBlot方法测定各个处理因素下OPN的表达。结果:OPN表达于Ishikawa细胞胞浆,MPA、MPA联合E2和HB-EGF均可增加OPN的表达,E2对其表达无明显影响。结论:OPN在子宫内膜腺上皮细胞的表达同时受孕激素和生长因子的上调,是影响子宫内膜容受性的重要指标。
出处 《实用医学杂志》 CAS 2005年第9期887-889,共3页 The Journal of Practical Medicine
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