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Relationships between the expression of placental glucose transporter and maternal serum cortisol level in fetal growth restriction

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PERINATAL MEDICINE
Issue:
4
DOI:
10.3760/cma.j.issn.1007-9408.2005.04.004
Key Word:
单糖转运蛋白质类;糖皮质激素类;胎儿生长迟缓;胎盘

Abstract: 目的探讨胎盘葡萄糖转运蛋白(glucose transporter,GLUT)的表达在胎儿生长受限(fetal growth restriction,FGR)发生发展中的作用及其与孕妇血清皮质醇(cortisol,CORT)水平的相关性.方法用免疫组织化学法检测20例FGR孕妇(FGR组)及24例正常妊娠孕妇(对照组)胎盘GLUT1的表达.利用放射免疫分析法测定两组孕妇产前血清CORT水平.同时测量新生儿出生体重和胎盘重量.结果FGR胎盘GLUT1表达水平(149.8±8.2)较对照组(155.9±6.5)明显降低(P<0.05),胎盘合体滋养层基底膜面GLUT1的表达水平(135.3±4.2)较对照组(153.9±8.5)明显降低(P<0.01).胎盘GLUT1表达水平与孕妇血清CORT水平呈负相关(r=-0.803,P<0.01).结论胎盘组织中,特别是基底膜面的GLUT1表达水平下降可能是FGR的病因之一,CORT可能通过抑制胎盘GLUT1的表达,参与FGR的发病过程.

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