Aberrant methylation of Glutathione S-transferase P1 and E-cadherin in invasive ductal breast carcinoma and fibroadenoma

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摘要 ObjectiveToinvestigatethehypermethylationstatusofglutathionetransferaseP1(GSTP1)andE-cadherin(ECAD),TSGs(tumorsuppressorgenes)inourbreastcancersamplesandexploretheircorrelationwithclinicopathologicalfeaturesofcorrespondingcancerpatients.MethodsOnehundredandthirty-sixIDC(invasiveductalcarcinoma)patientswererecruitedforanalysisand16fibroadenomapatientsactedascontrol.DNAextractionandmethylation-specificPCR(MSP)weresubsequentlyperformedprecededbypathologicalexamination.ResultsThepercentageofhypermethylatedGSTP1incarcinomaandfibroadenomagroupswas34.92%and15.79%respectivelyandthepercentageofhypermethylatedECADincarcinomasandfibroadenomaswas18.00%and0.00%respectively.Carcinomahadthehighestpercentageofc-erbB2overexpressionbeing54.55%amongtheclinicopathologicalparameters.ConclusionHypermethylationpatternsarefrequentinIDCandseemtorelatetoc-erbB2overexpression,andsuchepigeneticchangeshouldnotbeneglectedinfibroadenoma.Tumormethylationstatusincancerpatientscanbedeterminedatearlystageanditmaybeareferenceforbettertreatmentplanning.
机构地区 不详
出版日期 2010年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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