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Expression of Vascular Cell Adhesion Molecule-1(VCAM-1) in Placenta of Pregnancy Induced Hypertension Complicated by Fetal Growth Restriction

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PERINATAL MEDICINE
Issue:
2
DOI:
10.3760/cma.j.issn.1007-9408.2003.02.003
Key Word:
妊娠并发症,心血管;高血压;胎儿生长迟缓;血管细胞粘附分子1;免疫组织化学

Abstract: 目的探讨血管细胞粘附分子1(vascular cell adhesion molecule-1,VCAM-1)在妊娠高血压综合征(简称妊高征)合并胎儿生长受限(fetal growth restriction, FGR)发病过程中的作用. 方法采用免疫组化法测定30例妊高征合并FGR患者、28例非妊高征合并FGR及30例正常妊娠者胎盘组织中血管内皮及滋养细胞的VCAM-1表达. 结果妊高征合并FGR组胎盘底蜕膜内血管内皮VCAM-1的表达阳性率(80%)及表达强度(+++)14例,与正常妊娠组25%(+++)0例及非妊高征合并FGR组15%(+++)0例相比明显增高(P<0.005),而前两者间无显著差异,随妊高征病情加重,其表达强度逐渐增强;胎盘绒毛毛细血管VCAM-1阳性表达强度妊高征合并FGR组(73.3%)和非妊高征FGR组(67.8%)明显增强,与正常组(10%)相比差异有显性(P<0.005);所有GFR患者胎盘滋养细胞VCAM-1表达强度明显降低(妊高征FGR为0%,非妊高征FGR组3.6%,正常组40%),并且在妊高征组随妊高征病情加重其表达强度急剧减低. 结论胎盘血管内皮及绒毛滋养细胞异常表达的VCAM-1参与了妊高征引起FGR的病理生理过程,可以作为判定妊高征对胎盘损伤程度的一个指标.

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