重度子痫前期胎盘中CD142的表达与其启动子区甲基化程度的关系

目的探究CD142在重度子痫前期孕妇胎盘中的表达情况及其与启动子区域甲基化之间的关系。方法本研究采用实时荧光定量PCR、免疫组化、蛋白质印迹检测24例重度子痫前期孕妇和24例正常妊娠孕妇胎盘中CD142基因的表达情况;采用甲基化特异性PCR检测CD142启动子区域的甲基化情况。结果病例组胎盘中CD142mRNA相对含量(1.45±0.42)高于正常妊娠孕妇(0.25±0.28),差异有统计学意义(P〈0.05);病例组胎盘中CD142蛋白表达量(0.857±0.043)高于正常晚孕者(0.248±0.035),差异有统计学意义(P〈0.05);病例组胎盘组织中CD142启动子区域的甲基化阳性率...

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Published in西安交通大学学报(医学版) Vol. 38; no. 6; pp. 883 - 887
Main Author 刘睿 马强 文安辛 田改彦 王文娟 蔺飒 王慰敏
Format Journal Article
LanguageChinese
Published 西安交通大学第一附属医院妇产科,陕西西安,710061%西安交通大学第一附属医院周围血管科,陕西西安,710061%西安交通大学第一附属医院乳腺外科,陕西西安,710061%山阳县医院妇产科,陕西商洛,726400 2017
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ISSN1671-8259
DOI10.7652/jdyxb201706019

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Summary:目的探究CD142在重度子痫前期孕妇胎盘中的表达情况及其与启动子区域甲基化之间的关系。方法本研究采用实时荧光定量PCR、免疫组化、蛋白质印迹检测24例重度子痫前期孕妇和24例正常妊娠孕妇胎盘中CD142基因的表达情况;采用甲基化特异性PCR检测CD142启动子区域的甲基化情况。结果病例组胎盘中CD142mRNA相对含量(1.45±0.42)高于正常妊娠孕妇(0.25±0.28),差异有统计学意义(P〈0.05);病例组胎盘中CD142蛋白表达量(0.857±0.043)高于正常晚孕者(0.248±0.035),差异有统计学意义(P〈0.05);病例组胎盘组织中CD142启动子区域的甲基化阳性率低于对照组(29.2%vs.100.0%,χ2=36.11,P〈0.001),非甲基化阳性率高于正常组(100.0%vs.20.8%,χ2=29.85,P〈0.001);CD142的蛋白表达水平与其启动子区域的甲基化程度呈负相关(r=-0.909,P〈0.05)。结论 CD142通过甲基化调控蛋白的表达在重度子痫前期的发病过程中发挥重要作用。
Bibliography:LIU Rui1 , MA Qiang2 , WEN An-xina , TIAN Gai-yan1 , WANG Wen-juan1 , LIN Sa4, WANG Wei-min1 (1. Department of Gynecology and Obstetrics; 2. Department of Peripheral Vessels; 3. Department of Breast Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061 ; 4. Department of Gynecology and Obstetrics, Shanyang County Hospital, Shangluo 726400, China)
severe preeclampsia ; CD142 ; promoter; methylation; placenta
Objective To explore the relationship between expression of CD142 protein and the promoter methylation in the placenta of severe preeclampsia patients.Methods We assessed 24 patients complicated with severe preeclampsia as case group and 24 normal pregnant women as control group via qRT-PCR,immunohistochemistry and Western blotting for CD142 expression and MSP technology for methylation in CD142 promoter region.Results The relative expression quantity of CD142 mRNA in severe preeclampsia group(1.45±0.42)was higher than that in normal group(0.25±0.28)(P〈0.05).The expression quantit
ISSN:1671-8259
DOI:10.7652/jdyxb201706019