Hepatology:肝细胞癌中的乙肝病毒的意义

2017-08-20 MedSci MedSci原创

乙型肝炎病毒(HBV)是肝细胞癌(HCC)的主要原因。然而,关于HBV在HCC组织中的复制情况目前仍知之甚少。近期,一项发表在杂志Hepatology上的研究对这一问题进行了分析。此项研究选择了99个HBsAg阳性的患者,通过肿瘤切除或肝移植治疗达到病毒学抑制的HCC(T)和非肿瘤的肝脏(NT)样本,并分析了他们的病毒学和细胞学参数。研究者们检查了总HBV-DNA和RNA以及共价封闭的环状DNA(

乙型肝炎病毒(HBV)是肝细胞癌(HCC)的主要原因。然而,关于HBV在HCC组织中的复制情况目前仍知之甚少。


近期,一项发表在杂志Hepatology上的研究对这一问题进行了分析。此项研究选择了99个HBsAg阳性的患者,通过肿瘤切除或肝移植治疗达到病毒学抑制的HCC(T)和非肿瘤的肝脏(NT)样本,并分析了他们的病毒学和细胞学参数。研究者们检查了总HBV-DNA和RNA以及共价封闭的环状DNA(cccDNA)和前基因组RNA(pgRNA),这些参数均是HBV复制的标志物。

此项研究结果显示:大多数情况下,在T和NT样本中均检测到总HBV-DNA和RNA,但与NT肝脏(66%和90%)相比,只有一部分肿瘤中含有HBV cccDNA和pgRNA(39%和67%)的可检测水平(p <0.01)。

对来自游离形式的X基因的测序提供了肿瘤组织中HBV复制的进一步证据,结果显示T样本和相匹配的NT样本之间的HBV基因型在11例样本中不同。肿瘤中的pgRNA和cccDNA的检测与缺乏肿瘤微血管入侵和患者生存的改善有关。

通过Agilent微阵列分析基因表达谱显示,pgRNA阳性HCC的特点是低水平的细胞周期和DNA修复标记,以及HBV受体的表达:牛磺胆酸钠共转运多肽(NTCP)的表达来表征,表明分化良好的肿瘤。

此项研究结论表明:HCC复制的HBV代表了具有转录组学特征的弱侵袭性HCC亚型。源自非整合、完整的HBV基因组的PgRNA是病毒复制和预后的敏感标志物。

原始出处:
Halgand B, Desterke C, et al. Hepatitis B virus pregenomic RNA in hepatocellular carcinoma: A nosological and prognostic determinant. Hepatology. 2017 Aug 12. doi: 10.1002/hep.29463.

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    2017-08-31 xjy02
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    2017-08-22 gwc384
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    2017-08-20 忠诚向上

    好好学习,会有收获

    0

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    2017-08-20 1ddf0692m34(暂无匿称)

    学习了,值得分享

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1978539, encodeId=822519e853985, content=<a href='/topic/show?id=3b90e79787f' target=_blank style='color:#2F92EE;'>#细胞癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77978, encryptionId=3b90e79787f, topicName=细胞癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e457184, createdName=qingting, createdTime=Sat Aug 04 10:22:00 CST 2018, time=2018-08-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1863294, encodeId=e255186329433, content=<a href='/topic/show?id=c0b68135561' target=_blank style='color:#2F92EE;'>#肝细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81355, encryptionId=c0b68135561, topicName=肝细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d59291, createdName=xjy02, createdTime=Thu Aug 31 15:22:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1426798, encodeId=6d821426e9896, content=<a href='/topic/show?id=221d685172' target=_blank style='color:#2F92EE;'>#EPA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, 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=Tue Aug 22 02:22:00 CST 2017, time=2017-08-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235444, encodeId=d155235444a2, content=好好学习,会有收获, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Sun Aug 20 16:36:51 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235386, encodeId=72df235386b1, content=学习了,值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Sun Aug 20 12:59:06 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235383, encodeId=be0623538378, content=不错,学习分享一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuBA90ng5ibXMmibn1feGOQ2cjw0S48DKsF0icicFlmRxwHibIic2TNGd22vVqkKRMj2cRSWbpqZAPBPgdt/0, createdBy=81031668757, createdName=林3301, createdTime=Sun Aug 20 12:49:40 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235380, encodeId=fe0a2353800e, content=不错的,学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NdqKgfW3nMpOkC3jXxiaW2po0PtglY5ZuVjERqKADW4HyMI8bcZXWlKgH7tEP9ULBoBzuQMibia4pr1s9rQPqLvqQJ/0, createdBy=e8c02060444, createdName=中医痴, createdTime=Sun Aug 20 12:14:28 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235377, encodeId=df372353e7ec, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Sun Aug 20 11:26:33 CST 2017, time=2017-08-20, status=1, ipAttribution=)]
    2017-08-20 林3301

    不错,学习分享一下

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1978539, encodeId=822519e853985, content=<a href='/topic/show?id=3b90e79787f' target=_blank style='color:#2F92EE;'>#细胞癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77978, encryptionId=3b90e79787f, topicName=细胞癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e457184, createdName=qingting, createdTime=Sat Aug 04 10:22:00 CST 2018, time=2018-08-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1863294, encodeId=e255186329433, content=<a href='/topic/show?id=c0b68135561' target=_blank style='color:#2F92EE;'>#肝细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81355, encryptionId=c0b68135561, topicName=肝细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d59291, createdName=xjy02, createdTime=Thu Aug 31 15:22:00 CST 2017, time=2017-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1426798, encodeId=6d821426e9896, content=<a href='/topic/show?id=221d685172' target=_blank style='color:#2F92EE;'>#EPA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, 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=Tue Aug 22 02:22:00 CST 2017, time=2017-08-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235444, encodeId=d155235444a2, content=好好学习,会有收获, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Sun Aug 20 16:36:51 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235386, encodeId=72df235386b1, content=学习了,值得分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Sun Aug 20 12:59:06 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235383, encodeId=be0623538378, content=不错,学习分享一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuBA90ng5ibXMmibn1feGOQ2cjw0S48DKsF0icicFlmRxwHibIic2TNGd22vVqkKRMj2cRSWbpqZAPBPgdt/0, createdBy=81031668757, createdName=林3301, createdTime=Sun Aug 20 12:49:40 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235380, encodeId=fe0a2353800e, content=不错的,学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NdqKgfW3nMpOkC3jXxiaW2po0PtglY5ZuVjERqKADW4HyMI8bcZXWlKgH7tEP9ULBoBzuQMibia4pr1s9rQPqLvqQJ/0, createdBy=e8c02060444, createdName=中医痴, createdTime=Sun Aug 20 12:14:28 CST 2017, time=2017-08-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=235377, encodeId=df372353e7ec, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Sun Aug 20 11:26:33 CST 2017, time=2017-08-20, status=1, ipAttribution=)]
    2017-08-20 中医痴

    不错的,学习了,谢谢分享!

    0

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    2017-08-20 wxl882001

    学习一下

    0

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