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孕妇血清及胎盘组织中胆固醇硫酸酯的变化及意义
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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.2003.02.014
- Key Word:
- No keyword available
Abstract： @@ 以往的研究中发现,硫脂质如脑硫脂(sulfatide)及胆固醇硫酸酯(cholesterol sulfate,CS)在人分泌期子宫内膜及妊娠兔的子宫内膜中有特异性的表达,其代谢变化受固醇类激素的调节[1].在生理状态下,细胞膜上的脑硫脂特别是CS不仅可以提供阴离子,而且还有调节蛋白激酶C、磷脂酰肌醇3-激酶活性的作用.所以,子宫内膜中硫脂质的表达,是妊娠期子宫内膜机能建立的条件之一.另外,CS还参与凝血过程,抑制胆固醇代谢中的关键酶--羟甲基戊二酸单酰还原酶的活性.为了进一步阐明硫脂质的生理作用及其与类固醇激素的关系,我们测定了孕妇血清及胎盘中酸性脂质含量的变化,现将结果报道如下.
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