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Oncotarget:脑组织表达的X连锁蛋白2的上调对乙肝病毒X蛋白诱导肝癌发生至关重要

2017-08-10 MedSci MedSci原创

肝细胞癌(HCC)是全球第三大癌症相关死亡原因。慢性乙型肝炎病毒(HBV)感染是HCC的主要原因。X蛋白(HBx)是由HBV基因组编码的四种蛋白质之一,在HBV诱导的HCC的发病机制中起着至关重要的作用。然而,HBx触发HCC的分子机制仍然尚未确定。

肝细胞癌(HCC)是全球第三大癌症相关死亡原因。慢性乙型肝炎病毒(HBV)感染是HCC的主要原因。X蛋白(HBx)是由HBV基因组编码的四种蛋白质之一,在HBV诱导的HCC的发病机制中起着至关重要的作用。然而,HBx触发HCC的分子机制仍然尚未确定。

我国的研究者们:发现HBV转基因小鼠和人类HCC标本肝组织中脑组织表达的X连锁蛋白2(BEX2)和骨桥蛋白(OPN)的表达升高。此外,HBV感染HCC患者样本中BEX2和OPN的表达呈正相关。与HBV阴性HCC标本相比,HBV阳性HCC标本中BEX2和OPN的蛋白水平均较高。 HBx通过上调BEX2增强OPN表达。重要的是,BEX2的消耗抑制了高表达HBx的HCC细胞的致瘤性。

研究证实了BEX2在HCC发病机制中的重要作用,BEX2可能是HBV相关的HCC患者的新型治疗靶点。HBx/BEX2/OPN信号盒参与了HBV诱导的HCC的发病机制。

原始出处:

Huang F, Cai P, Wang Y, et al. Up-regulation of brain-expressed X-linked 2 is critical for hepatitis B virus X protein-induced hepatocellular carcinoma development. Oncotarget. 2017 Jul 22. doi: 10.18632/oncotarget.19477. [Epub ahead of print]

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1665426, encodeId=8d871665426fa, content=<a href='/topic/show?id=f6fd1891e53' target=_blank style='color:#2F92EE;'>#X连锁#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=18917, encryptionId=f6fd1891e53, topicName=X连锁)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bdb025960146, createdName=12498ebem27暂无昵称, createdTime=Thu Nov 09 09:18:00 CST 2017, time=2017-11-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1795427, encodeId=4d8d1e95427a3, content=<a href='/topic/show?id=248e1e1345b' target=_blank style='color:#2F92EE;'>#target#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17134, encryptionId=248e1e1345b, topicName=target)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Tue Jun 19 15:18:00 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=232798, encodeId=7b6f232e98a3, content=认真学习,不断进步,把经验分享给同好。点赞了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=130, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Sat Aug 12 09:35:58 CST 2017, time=2017-08-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1592047, encodeId=cd6f159204e09, content=<a href='/topic/show?id=c3a68498683' target=_blank style='color:#2F92EE;'>#脑组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84986, encryptionId=c3a68498683, topicName=脑组织)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=819d18073578, createdName=yahu, createdTime=Fri Aug 11 20:18:00 CST 2017, time=2017-08-11, status=1, ipAttribution=)]
    2018-06-19 仁医06
  3. [GetPortalCommentsPageByObjectIdResponse(id=1665426, encodeId=8d871665426fa, content=<a href='/topic/show?id=f6fd1891e53' target=_blank style='color:#2F92EE;'>#X连锁#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=18917, encryptionId=f6fd1891e53, topicName=X连锁)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bdb025960146, createdName=12498ebem27暂无昵称, createdTime=Thu Nov 09 09:18:00 CST 2017, time=2017-11-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1795427, encodeId=4d8d1e95427a3, content=<a href='/topic/show?id=248e1e1345b' target=_blank style='color:#2F92EE;'>#target#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17134, encryptionId=248e1e1345b, topicName=target)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Tue Jun 19 15:18:00 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=232798, encodeId=7b6f232e98a3, content=认真学习,不断进步,把经验分享给同好。点赞了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=130, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Sat Aug 12 09:35:58 CST 2017, time=2017-08-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1592047, encodeId=cd6f159204e09, content=<a href='/topic/show?id=c3a68498683' target=_blank style='color:#2F92EE;'>#脑组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84986, encryptionId=c3a68498683, topicName=脑组织)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=819d18073578, createdName=yahu, createdTime=Fri Aug 11 20:18:00 CST 2017, time=2017-08-11, status=1, ipAttribution=)]
    2017-08-12 ylzr123

    认真学习,不断进步,把经验分享给同好。点赞了!

    0

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    2017-08-11 yahu
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