J Hepatol:用液滴数字PCR检测anti-HBc阳性患者肝组织内HBV cccDNA水平

2018-07-24 MedSci MedSci原创

研究表明,采用内部液滴数字PCR (ddPCR)检测方法,大约一半的OBI病例中可以检测到肝内HBV cccDNA。anti-HBc IgG的效价可能是预测免疫抑制患者OBI重新激活的有效指标。

研究背景:对隐匿性乙型肝炎病毒(HBV)感染(OBI)者的准确诊断,需要检测乙肝表面抗原阴性个体肝组织中的HBV DNA。然而,在临床实践中,研究发现乙肝核心抗体阳性的患者,潜在OBI的机会较高。本研究在anti-HBc阳性的患者中,调查了OBI真实的患病率和肝脏内HBV的分子特征。

研究方法:通过标准的血清学筛查,100例器官移植捐赠者的肝脏内(平均年龄68.2岁;在标准血清学检测中,有64名男性,36名女性)的anti-HBc为阳性,通过巢式PCR检测总HBV DNA,用内部液滴数字PCR (ddPCR)检测HBV共价闭合环状DNA (HBV cccDNA)(线性度:R2=0.9998; 细胞定量检测下限分别为2.4和0.8拷贝/10(5))。

研究结果:研究中总共有52%(52/100)的个体被发现存在OBI。在OBI阳性的个体中,27例患者存在cccDNA,cccDNA中位水平为13copies/105细胞 (95% CI: 5-25)。采用特异性方法检测IgG类的anti-HBc,HBV ccc DNA阳性供者的中位抗体水平明显高于HBV ccc DNA阴性供者的抗体水平(临界值指数[COI]分别为17.0 [7.0-39.2] 和5.7 [3.6-9.7], p=0.007)。多元分析表明,临界值指数高于4.4时,anti-HBc IgG效价与肝内HBV cccDNA相关(优势比:8.516, p=0.009);较低的anti-HBc IgG预测值,能够排除HBV cccDNA存在的可能,其阴性预测值为94.6%。

研究结论:研究表明,采用内部液滴数字PCR (ddPCR)检测方法,大约一半的OBI病例中可以检测到肝内HBV cccDNA。anti-HBc IgG的效价可能是预测免疫抑制患者OBI重新激活的有效指标。

原始出处:

Caviglia GP, Abate ML, Tandoi F, et al. Quantitation of HBV cccDNA in anti-HBc-positive liver donors by droplet digital PCR: A new tool to detect occult infection. J Hepatol, 2018, 69(2), 301-307.

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    2018-12-26 klivis
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    2018-12-27 songbq
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    2018-11-18 wgx306
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1836667, encodeId=8b77183666ea4, content=<a href='/topic/show?id=f9d08524be' target=_blank style='color:#2F92EE;'>#HBV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8524, encryptionId=f9d08524be, topicName=HBV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e87531, createdName=klivis, createdTime=Wed Dec 26 22:11:00 CST 2018, time=2018-12-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1808372, encodeId=66c618083e2be, content=<a href='/topic/show?id=e2c68135281' target=_blank style='color:#2F92EE;'>#肝组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81352, encryptionId=e2c68135281, topicName=肝组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=856b247, createdName=songbq, createdTime=Thu Dec 27 02:11:00 CST 2018, time=2018-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1784653, encodeId=67c51e846535e, content=<a href='/topic/show?id=4bcb612102' target=_blank style='color:#2F92EE;'>#DNA水平#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6121, encryptionId=4bcb612102, topicName=DNA水平)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4193478, createdName=wgx306, createdTime=Sun Nov 18 11:11:00 CST 2018, time=2018-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1779986, encodeId=b0c01e799868e, content=<a href='/topic/show?id=0e102561ce' target=_blank style='color:#2F92EE;'>#anti-HBc阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2561, encryptionId=0e102561ce, topicName=anti-HBc阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Thu Sep 20 21:11:00 CST 2018, time=2018-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419418, encodeId=a5f71419418aa, content=<a href='/topic/show?id=e290138682e' target=_blank style='color:#2F92EE;'>#PCR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13868, encryptionId=e290138682e, topicName=PCR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9cc43496966, createdName=Tommy1950, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1427164, encodeId=f17c142e1642f, content=<a href='/topic/show?id=221d685172' target=_blank style='color:#2F92EE;'>#EPA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6851, encryptionId=221d685172, topicName=EPA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=4a9b4077760, createdName=gwc384, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1542783, encodeId=e3b01542e83e5, content=<a href='/topic/show?id=6bda41989f' target=_blank style='color:#2F92EE;'>#cccDNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4198, encryptionId=6bda41989f, topicName=cccDNA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c04f13475264, createdName=ms2536978994064944, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1585352, encodeId=fe95158535236, content=<a href='/topic/show?id=7b31138e2ee' target=_blank style='color:#2F92EE;'>#PCR检测#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13872, encryptionId=7b31138e2ee, topicName=PCR检测)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3bf517165269, createdName=howi, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=)]
    2018-07-26 Tommy1950
  6. [GetPortalCommentsPageByObjectIdResponse(id=1836667, encodeId=8b77183666ea4, content=<a href='/topic/show?id=f9d08524be' target=_blank style='color:#2F92EE;'>#HBV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8524, encryptionId=f9d08524be, topicName=HBV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e87531, createdName=klivis, createdTime=Wed Dec 26 22:11:00 CST 2018, time=2018-12-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1808372, encodeId=66c618083e2be, content=<a href='/topic/show?id=e2c68135281' target=_blank style='color:#2F92EE;'>#肝组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81352, encryptionId=e2c68135281, topicName=肝组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=856b247, createdName=songbq, createdTime=Thu Dec 27 02:11:00 CST 2018, time=2018-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1784653, encodeId=67c51e846535e, content=<a href='/topic/show?id=4bcb612102' target=_blank style='color:#2F92EE;'>#DNA水平#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6121, encryptionId=4bcb612102, topicName=DNA水平)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4193478, createdName=wgx306, createdTime=Sun Nov 18 11:11:00 CST 2018, time=2018-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1779986, encodeId=b0c01e799868e, content=<a href='/topic/show?id=0e102561ce' target=_blank style='color:#2F92EE;'>#anti-HBc阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2561, encryptionId=0e102561ce, topicName=anti-HBc阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Thu Sep 20 21:11:00 CST 2018, time=2018-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419418, encodeId=a5f71419418aa, content=<a href='/topic/show?id=e290138682e' target=_blank style='color:#2F92EE;'>#PCR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13868, encryptionId=e290138682e, topicName=PCR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9cc43496966, createdName=Tommy1950, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1427164, encodeId=f17c142e1642f, content=<a href='/topic/show?id=221d685172' target=_blank style='color:#2F92EE;'>#EPA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6851, encryptionId=221d685172, topicName=EPA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=4a9b4077760, createdName=gwc384, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1542783, encodeId=e3b01542e83e5, content=<a href='/topic/show?id=6bda41989f' target=_blank style='color:#2F92EE;'>#cccDNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4198, encryptionId=6bda41989f, topicName=cccDNA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c04f13475264, createdName=ms2536978994064944, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1585352, encodeId=fe95158535236, content=<a href='/topic/show?id=7b31138e2ee' target=_blank style='color:#2F92EE;'>#PCR检测#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13872, encryptionId=7b31138e2ee, topicName=PCR检测)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3bf517165269, createdName=howi, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=)]
    2018-07-26 gwc384
  7. [GetPortalCommentsPageByObjectIdResponse(id=1836667, encodeId=8b77183666ea4, content=<a href='/topic/show?id=f9d08524be' target=_blank style='color:#2F92EE;'>#HBV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8524, encryptionId=f9d08524be, topicName=HBV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e87531, createdName=klivis, createdTime=Wed Dec 26 22:11:00 CST 2018, time=2018-12-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1808372, encodeId=66c618083e2be, content=<a href='/topic/show?id=e2c68135281' target=_blank style='color:#2F92EE;'>#肝组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81352, encryptionId=e2c68135281, topicName=肝组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=856b247, createdName=songbq, createdTime=Thu Dec 27 02:11:00 CST 2018, time=2018-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1784653, encodeId=67c51e846535e, content=<a href='/topic/show?id=4bcb612102' target=_blank style='color:#2F92EE;'>#DNA水平#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6121, encryptionId=4bcb612102, topicName=DNA水平)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4193478, createdName=wgx306, createdTime=Sun Nov 18 11:11:00 CST 2018, time=2018-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1779986, encodeId=b0c01e799868e, content=<a href='/topic/show?id=0e102561ce' target=_blank style='color:#2F92EE;'>#anti-HBc阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2561, encryptionId=0e102561ce, topicName=anti-HBc阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Thu Sep 20 21:11:00 CST 2018, time=2018-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419418, encodeId=a5f71419418aa, content=<a href='/topic/show?id=e290138682e' target=_blank style='color:#2F92EE;'>#PCR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13868, encryptionId=e290138682e, topicName=PCR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9cc43496966, createdName=Tommy1950, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1427164, encodeId=f17c142e1642f, content=<a href='/topic/show?id=221d685172' target=_blank style='color:#2F92EE;'>#EPA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6851, encryptionId=221d685172, topicName=EPA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=4a9b4077760, createdName=gwc384, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1542783, encodeId=e3b01542e83e5, content=<a href='/topic/show?id=6bda41989f' target=_blank style='color:#2F92EE;'>#cccDNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4198, encryptionId=6bda41989f, topicName=cccDNA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c04f13475264, createdName=ms2536978994064944, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1585352, encodeId=fe95158535236, content=<a href='/topic/show?id=7b31138e2ee' target=_blank style='color:#2F92EE;'>#PCR检测#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13872, encryptionId=7b31138e2ee, topicName=PCR检测)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3bf517165269, createdName=howi, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=)]
  8. [GetPortalCommentsPageByObjectIdResponse(id=1836667, encodeId=8b77183666ea4, content=<a href='/topic/show?id=f9d08524be' target=_blank style='color:#2F92EE;'>#HBV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8524, encryptionId=f9d08524be, topicName=HBV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e87531, createdName=klivis, createdTime=Wed Dec 26 22:11:00 CST 2018, time=2018-12-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1808372, encodeId=66c618083e2be, content=<a href='/topic/show?id=e2c68135281' target=_blank style='color:#2F92EE;'>#肝组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81352, encryptionId=e2c68135281, topicName=肝组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=856b247, createdName=songbq, createdTime=Thu Dec 27 02:11:00 CST 2018, time=2018-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1784653, encodeId=67c51e846535e, content=<a href='/topic/show?id=4bcb612102' target=_blank style='color:#2F92EE;'>#DNA水平#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6121, encryptionId=4bcb612102, topicName=DNA水平)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4193478, createdName=wgx306, createdTime=Sun Nov 18 11:11:00 CST 2018, time=2018-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1779986, encodeId=b0c01e799868e, content=<a href='/topic/show?id=0e102561ce' target=_blank style='color:#2F92EE;'>#anti-HBc阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2561, encryptionId=0e102561ce, topicName=anti-HBc阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Thu Sep 20 21:11:00 CST 2018, time=2018-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1419418, encodeId=a5f71419418aa, content=<a href='/topic/show?id=e290138682e' target=_blank style='color:#2F92EE;'>#PCR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13868, encryptionId=e290138682e, topicName=PCR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9cc43496966, createdName=Tommy1950, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1427164, encodeId=f17c142e1642f, content=<a href='/topic/show?id=221d685172' target=_blank style='color:#2F92EE;'>#EPA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6851, encryptionId=221d685172, topicName=EPA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=4a9b4077760, createdName=gwc384, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1542783, encodeId=e3b01542e83e5, content=<a href='/topic/show?id=6bda41989f' target=_blank style='color:#2F92EE;'>#cccDNA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4198, encryptionId=6bda41989f, topicName=cccDNA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c04f13475264, createdName=ms2536978994064944, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1585352, encodeId=fe95158535236, content=<a href='/topic/show?id=7b31138e2ee' target=_blank style='color:#2F92EE;'>#PCR检测#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13872, encryptionId=7b31138e2ee, topicName=PCR检测)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3bf517165269, createdName=howi, createdTime=Thu Jul 26 11:11:00 CST 2018, time=2018-07-26, status=1, ipAttribution=)]
    2018-07-26 howi

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作者:惠州市中心人民医院检验中心 王春晖 该案例在2018年广东省医师协会检验医师分会年会优秀实验诊断案例大赛中荣获三等奖。 病例