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时间:2020-05-07
《microRNA146a的单核苷酸多态性与肝细胞性肝癌易感性和切除术后早期复发的关系-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、·338·中华肝胆外科杂志2014年5月第2O卷第5期ChinJHepatobiliarvSurg,May2014,Vo1.20,No.5·论著·microRNA146a的单核苷酸多态性与肝细胞性肝癌易感性和切除术后早期复发的关系周峥杨定华【摘要】目的探讨miRNA146a单核苷酸多态性(SNP)位点与肝细胞性癌(HCC)肿瘤遗传易感性以及术后早期复发的关系。方法采用病例对照研究设计,提取173例HCC患者石蜡切片组织DNA,PCR扩增并查找包括miRNA146a外显子在内共386个碱基序列内的SNP位点,分析其与易感性及术后早期复发的关系。结果上
2、述序列中只找到hsa—mir一146ars2910164G>C位点,基因库中标注的其他9个SNP位点均未发现。miRNA146aSNPC/C型61例(35.3%)、G/G型26例(15.0%)、C/G型86例(49.7%)。C/C型和C/G型相对G/G型为肝癌的危险因素(OR=3.086,95%CI,1.289—7.390);miRNA146asNP(C/G基因型)为肝癌早期复发的危险因素(OR=8,179,95%CI,2.248—29.759)。结论rs2910164位点可能与江西汉族人群肝癌遗传易感性以及术后早期复发相关。【关键词】肝细胞癌;m
3、icroRNA;遗传易感性;复发TheassociationoftheSNPinmiRNA146awithgeneticprediposionandtheearlierrecurrenceafterresectionforhepatocellularcarcinomaZhouZheng,Dinghua.DepartmentofHepatobilliarySurger-Y,AffiliatedsouthernHospital0厂SouthernMedicalUniversity,Guangzhou510515,CinaCorrespondingaut
4、hor:ZhouZheng,Email:zhouzhengmd@163.com【Abstract】ObjectiveToinvestigatetheassociationoftheSNPinmiRNA146Awithgeneticpredi—posionandearlierrecurrenceafterresectionforhepatocellularcarcinoma(HCC).MethodsIntheease—controlstudyincluding173HCCcases.DNAwereexactedfromcancertissueembe
5、ddedwithparaffinandwereamplificatedbyPCR.SNPwasexploredingenesequenceofmiRNA146a(385basepairincludingex—tron).Theoutcomewereanalyzedwithgeneticprediposionandclinicalfeatures.ResultOnlyhsamir.146ars2910164wasf0und.Thegenetype~equeneeofC/C、G/GandC/Gatrs2910164genelocusweresepara
6、te—ly61(35.3%),21(15%)and86(49.7%)incases.ComparedtoG/Ggenetype,C/CandC/GgenetypeweredangerfactortoonsetriskofHCC(OR=3.086,95%c,:1.289-7.390):C/Gwasdangerfactortoearlierrecurrenceafterresection(OR=8.179,95%C/:2.248—29.759).Conclusionrs2910164maybeassociatedwithgeneticprediposi
7、onandearlierrecurrenceafterresectionofHCCinJiangxihans【Keywords】Hepatocellularcarcinoma;microRNA;Geneticprediposion;Recurence肝细胞癌(HCC)在我国多发,预后凶险,临床miRNA146a,对SNP与HCC易感性和术后早期复发治疗效果较差。其发病不仅与环境暴露因素有关,的关系进行了研究。同时个体遗传易感性亦具重要作用。而microRNA资料与方法(miRNA)相关单核苷酸多态性(singlenucleotidepolymorp
8、hism,SNP)则可能因为基因水平上某个碱1.病例资料:本病例对照研究包括173例HCC基遗传多态性,导致miRNA的调
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