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时间:2020-05-07
《HBV前C/BCP区变异对HBeAg阳性慢乙肝患者干扰素治疗早期应答的影响-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、·92·徐州医学院学报ACTAACADEMIAEMEDICINAEXUZHOU2014,34(2)HBV前C/BCP区变异对HBeAg阳性慢乙肝患者干扰素治疗早期应答的影响孔歌,成利伟,王霞,傅涓涓,李丽,张言超,潘修成(1.徐州医学院附属医院感染科,江苏徐州221002;2.徐州医学院附属医院感染科实验室)摘要:目的研究HBVDNA前c区1896位变异,BCP区1762/1764位变异与干扰素0【治疗应答的关系。方法以41例接受干扰素治疗的HBeAg阳性慢性乙型肝炎(慢乙肝)患者为研究对象。治疗前取患者外周血清,采用PCR技术扩增前c区、BCP区,并测
2、序分析。同时监测治疗0、12、24周患者外周血ALT、HBsAg、HBeAg、HBVDNA水平。结果@PC/BCP区变异(突变型,non—wT)患者HBeAg转阴率(n:13,72.2%)高于未发生PC/BCP变异(野生型,wT)患者(n=4,28.8%)(P=0.014);②突变组HBsAg降低(n=5,56.7%)、HBVDNA转阴(n=8,53.5%),完全应答(n=5,62.5%),野生组HBsAg降低(n=6,43.3%)、HBVDNA转阴(n=7,46.7%),完全应答(n=3,37.5%),2组间无明显差异。结论突变型患者HBeAg转阴率高
3、于野生型患者。关键词:PC/BCP区变异;HBeAg血清转换;完全应答中图分类号:R512.62文献标志码:A文章编号:1000—2065(2014)02—0092—04EfectsofthemutationsofhepatitisBvirusprecoreandbasalcorepromoteronearlyresponseofpatientswithHBeAg——positivechronichepatitisBKONGGe,CHENGLiwei,WangXia,FUJuanjuan,LiLi,ZhangYanchao,PANXiucheng(1.D
4、epartmentofInfection,theAfiliatedHospitalofXuzhouMedicalCollege,Xuzhou,Jiangsu221002,China;2.LaboratoryofDepartmentofInfection.theAffiliatedHospitalofXuzhouMedicalCollege1Abstract:ObjectiveToinvestigatetherelationshipbetweentheprecore1896and/orthebasalcorepromoter(BCP)1762/1764mu
5、tationsandpatientresponseforIFN一0【treatment.MethodsForty—onepatientswithHBeAg—positivechronichepatitisBwhoreceivedIFN—therapywereenrolledinthisstudy.SerumHBVDNAwasextractedfr0mperipheralbloodbeforetreatment,thenpolymerasechainreaction(PCR)wasperformedtosequencePC/BCPgenefrag—ment
6、s.Meanwhile,wemonitoredtheamountsofALT,HBsAg,HBeAgandHBVDNAatweeks0,12and24.ResultsMorepatientswithPC/BCPmutants(non—wild—type,non—wT)presentHBeAgnegativestatus(n=13,72.2%)thanthosewithoutPC/BCPmutation(wild—type,wT)(n=4,28.8%)(P=0.04).②FornonWTpatients,theirlevelsofHBsAgaredecre
7、ased(n=5,56.7%).whileth@manifestHBVDNAnegativestatus(n=853.5%),andcompleteresponse(n=5,62.5%).ForWTpatients,theirlevelsofHBsAgaredecreased(n=643.3%),whiletheyalsomanifestHBVDNAnegativestatus(n=7,46.7%),andcompleteresponse(n=337.5%).Thereisnosignificantdifferencebetweenthetwogroup
8、s.ConclusionMorenon—WTpatientspresentHBe
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