AJOG:孕早期胰岛素对滋养层的影响

2015-03-04 Mechront MedSci原创

近期,Lassance L等人进行了一项研究,以探究孕早期胰岛素对人类胎盘转录组和生化过程的影响,其研究成果发表在AJOG上。该研究共纳入33名符合纳入标准的7-12周孕的孕妇,其中17名为BMI正常组(BMI:20.9±1.5),16名BMI肥胖组(BMI:33.5±2.6),分别对两组孕妇提取血浆和胎盘绒毛组织,再从绒毛组织中提取出胎盘滋养层细胞,以BMI分层,每层均将滋养层细胞分为

近期,Lassance L等人进行了一项研究,以探究孕早期胰岛素对人类胎盘转录组和生化过程的影响,其研究成果发表在AJOG上。




该研究共纳入33名符合纳入标准的7-12周孕的孕妇,其中17名为BMI正常组(BMI:20.9±1.5),16名BMI肥胖组(BMI:33.5±2.6),分别对两组孕妇提取血浆和胎盘绒毛组织,再从绒毛组织中提取出胎盘滋养层细胞,以BMI分层,每层均将滋养层细胞分为两组,一组胰岛素处理,一组空白对照。使用基因芯片对滋养层细胞转录组进行全基因分析。

研究分析得出,BMI正常组其胰岛素敏感基因数量为2875(P<0.001),而BMI肥胖组的孕妇其胰岛素敏感基因数量较之减少了30倍。同时研究观察到,胰岛素会对调节细胞周期和胆固醇平衡的几个相关基因造成损害,但是不会影响葡萄糖代谢通路。肥胖的孕妇不仅有高胰岛素和胰岛素抵抗,并且其孕早期胎盘滋养层细胞的全基因分析也受到影响,线粒体功能障碍更明显,降低其能量代谢。

该研究表明,孕早期滋养层细胞对胰岛素很敏感,但肥胖伴胰岛素抵抗的孕妇,其胎盘转录组对胰岛素不敏感,其可能会造成胎盘结构和功能的损害。

原始出处:

Lassance L, Haghiac M, Leahy P, Basu S, Minium J, Zhou J, Reider M, Catalano PM, Hauguel-de Mouzon S.Identification of Early Transcriptome Signatures in Placenta exposed to Insulin and Obesity.Am J Obstet Gynecol. 2015 Feb 27. pii: S0002-9378(15)00162-3. doi: 10.1016/j.ajog.2015.02.026. [Epub ahead of print]

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    2015-10-01 baoya
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