PLoS One:转移性前列腺恶性肿瘤中的TP53变异分析

2019-07-07 AlexYang MedSci原创

测序数据在鉴定前列腺恶性肿瘤的致瘤驱使因子方面是有帮助的,并且能够鉴定确定恶性疾病的生物标记。最近,有研究人员对30个原发性和转移性前列腺恶性肿瘤案例的测序结果进行了回顾,并鉴定了TP53基因的常见结构变异情况。研究发现,这些结构变异在27%的测序案例中发现,并代表了转移性疾病36%的案例。TP53结构重排之前在骨肉瘤中具有报道,其重排结果导致了p53蛋白表达的缺失。相似地,在他们研究中,TP53

测序数据在鉴定前列腺恶性肿瘤的致瘤驱使因子方面是有帮助的,并且能够鉴定确定恶性疾病的生物标记。

最近,有研究人员对30个原发性和转移性前列腺恶性肿瘤案例的测序结果进行了回顾,并鉴定了TP53基因的常见结构变异情况。研究发现,这些结构变异在27%的测序案例中发现,并代表了转移性疾病36%的案例。TP53结构重排之前在骨肉瘤中具有报道,其重排结果导致了p53蛋白表达的缺失。相似地,在他们研究中,TP53结构的重排同样导致了p53蛋白表达的缺失。在8个TP53重排案例中,同时发生PTEN丧失的包括了4个案例,TMPRSS2-ERG包括了5个案例,AR和FOXA1扩增各有1个案例。

最后,研究人员指出,他们的结果表明了TP53重排导致的表达缺失是关键肿瘤抑制子去激活的可能机制,并且具有作为恶性疾病标记的潜力。对TP53重排途径的重新认识对准确鉴定TP53功能缺失的前列腺恶性肿瘤很有必要。

原始出处:

Sirohi D, Devine P, Grenert JP et al. TP53 structural variants in metastatic prostatic carcinoma. PLoS One. 19 Jun 2019

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    2019-07-09 zhishijing
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    2019-07-09 zblhy
  6. [GetPortalCommentsPageByObjectIdResponse(id=1790354, encodeId=4f4f1e90354c3, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fda6311, createdName=119337457, createdTime=Sun Aug 11 18:09:00 CST 2019, time=2019-08-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1342584, encodeId=402713425848e, content=<a href='/topic/show?id=34cb381023e' target=_blank style='color:#2F92EE;'>#变异#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38102, encryptionId=34cb381023e, topicName=变异)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=78c32500188, createdName=12498dabm77暂无昵称, createdTime=Tue Jul 09 12:09:00 CST 2019, time=2019-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1372411, encodeId=d88e13e2411f5, content=<a href='/topic/show?id=9d861362e53' target=_blank style='color:#2F92EE;'>#p53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13627, encryptionId=9d861362e53, topicName=p53)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5d70341, createdName=zhishijing, createdTime=Tue Jul 09 12:09:00 CST 2019, time=2019-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1386518, encodeId=ea951386518dc, content=<a href='/topic/show?id=f08293399f9' target=_blank style='color:#2F92EE;'>#转移性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93399, encryptionId=f08293399f9, topicName=转移性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1ac22500003, createdName=1249842em09(暂无昵称), createdTime=Tue Jul 09 12:09:00 CST 2019, time=2019-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1458444, encodeId=86281458444c1, content=<a href='/topic/show?id=50a81e6869e' target=_blank style='color:#2F92EE;'>#TP53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17686, encryptionId=50a81e6869e, topicName=TP53)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d276073420, createdName=zblhy, createdTime=Tue Jul 09 12:09:00 CST 2019, time=2019-07-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=369315, encodeId=21e93693151e, content=好, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0aa31415219, createdName=orangesking, createdTime=Mon Jul 08 22:39:53 CST 2019, time=2019-07-08, status=1, ipAttribution=)]
    2019-07-08 orangesking

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