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Effects of mifepristone on ultrastructure of placental Hofbauer cells in early human pregnancy

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF OBSTETRICS AND GYNECOLOGY
Issue:
2
DOI:
10.3760/j.issn:0529-567X.2003.02.008
Key Word:
巨噬细胞;米非司酮;绒毛膜绒毛;妊娠初期

Abstract: 目的探讨米非司酮对妊娠早期人绒毛间质中Hofbauer细胞超微结构的影响.方法取孕6 ~9周人工流产者(对照组)及米非司酮药物流产者(观察组)的绒毛组织各10例,用透视电子显微镜观察其超微结构变化.结果观察组Hofbauer细胞显著肿胀,胞浆突起明显减少,偶见胞膜缺损,胞浆中的空泡变大,含有絮状电子致密物的空泡减少;粗面内质网及高尔基复合体欠发达;线粒体缩小,溶酶体减少;胞核增大且出现异常形态,染色质浓缩.结论米非司酮通过影响 Hofbauer细胞超微结构,使其吞噬能力、水及电解质转运和局部免疫功能改变,进而影响妊娠的维持.

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