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《中国南北两市HBV C基因亚型分布差异及临床意义研究-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、·920·中国卫生检验杂志2014年4月第24卷第7期ChinJHealthLabTec,Apr2014,Vol24,No7·论著·中国南北两市HBVC基因亚型分布差异及临床意义研究任来峰,中元英,赵树强,李威,侯泽,李淑琴1.山西医科大学汾阳学院,山西汾阳032200;2.大理学院公共卫生学院,云南大理671000;3.山西省汾阳医院,山西汾阳032200摘要:目的调查山西省吕梁市HBV的基因型及亚型分布,并比较c基因亚型在吕梁与云南省大理市的分布差异及临床意义。方法采用PCR—PFLP法进行基因型及亚
2、型检测。结果吕梁市HBV感染者中,B基因型11例,均为Ba亚型,占15.7%;C基因型57例,占81.4%,除2例未分型外均为ce亚型;D基因型2例,占2.9%。25例大理市HBVc基因型感染者中,Ce3例,cs21例,未分型1例;C基因亚型在两地的分布差异具有统计学意义(P<0.001);与cs亚型相比,ce亚型病毒感染者的HBeA阳性率有升高的趋势,但无统计学差异。结论吕梁市HBV基因型以C(Ce)型为主,HBVC基因亚型分布在中国南北两地存在明显差异,其临床相关性仍有待进一步研究。关键词:乙型肝炎病
3、毒;基因型;聚合酶链反应中图分类号:R512.62文献标识码:A文章编号:1004—8685(2014)07—0920—04ResearchondistributiondiferenceofhepatitisBvirusCsubgenotypesinanortherncityandasountherncityofChinaandtheclinicalsignificanceRENLai—feng,SHENYuan—ying,ZHAOShu—qiang,LIWei,HOUZe,LIShu—qinFenyan
4、gCollegeofSha1=iMedicalUniversity,Fenyang032200,ChinaAbstract:ObjectiveToinvestigatethedistributionofhepatitisBvirusgenotypesandsubgenotypesamongpeoplewithHBVinfectioninLvliangcityofShanxiprovince,andcomparethedistributiondiferenceofsubgenotypesCbetweenLv
5、liangcityandDalicityinYunnanprovince.MethodsHBVgenotypesandsubgenotypesweredeterminedbyPCR—RFLPassay.ResultsInLvliangcity,11HBVcarriersweregenotypeB(15.7%),57casesweregenotypeC(81.4%)and2casesweregenotypeD(2.9%).AllgenotypeBstrainsbelongedtosubgenotypeBa.
6、In57genotypeCcases,55casesweresubgenotypeCe,andtheremaining2caseswerenotindentifiedbyPCR—RLFP.However,of25genotypeCstrainsinDalicity,only3ca—sesweresubgenotypeCe,21casesweresubgenotypeCs,and1casewasnotidentifed.Therewassignificantdiferenceinthedistributio
7、nofsubgenotypesCbetweenLvliangcityandDalicity(P<0.001).PatientswithHBVgenotypeCeshowedain—creasingtrendofpositiveHBeAgcomparedwithsubgenotypeCs,butthediferencehadnostatisticalsignficance.ConclusionGenotypeC(Ce)isthemajorHBVgenotypeinLvliangcity.Thedistrib
8、utionofHBVsubgenotypesCwassignifi—cantlydiferentbetweenthetWOcities.FurtherstudyisneededtoexploretheclinicalsignificanceofdiferentHBVCsubgeno—types.KeyWords:HepatitisBvirus;Genotypes;Polymerasechainreaction乙型肝炎病毒(HB
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