摘要
AIM:TotestthehypothesisthatE-cadheringene(CDH1)C-160Apromotervariantgenotypeisassociatedwithanincreasedriskfordevelopinggastriccancer.METHODS:Inthispopulation-basedcase-controlstudyofgastriccancerinJiangsuProvince,China,weperformedpolymerasechainreaction-restrictionfragmentlengthpolymorphism(PCR-RFLP)togenotypetheC-160ApolymorphismofCDH1promoterin206non-cardiagastriccancerpatientsand261age-andsex-matchedbutunrelatedcancer-freecontrols.RESULTS:ThefrequenciesofgenotypesCC,CAandAAwere57.8%,36.4%and5.8%ingasfriccancercases,respectively,and58.2%,34.9%and6.9%incontrolsrespectively.ThedistributionsofCDH1genotypeswerenotsignificantlydifferentbetweengastriccancercasesandcontrols(P=0.87forgenotypefrequencyandP=0.92forallelefrequency).ComparedwiththeCCgenotype,theCAandAAgenotypeswerenotassociatedwithanincreasedriskfornon-cardiagastriccancer(adjustedoddsratios(OR)=1.15,and95%confidenceinterval(95%CI)=0.78-1.72forCAgenotype,andOR=0.90and95%CI=0.42-2.01forAAgenotype).CONCLUSION:E-cadheringeneC-160Apromoterpolymorphismmaynotplayamajorroleintheetiologyofnon-cardiagastriccancerinChinesepopulation.
出版日期
2005年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
