Blood:多发性骨髓瘤亚克隆的TP53拷贝数可独立指示患者预后

2018-11-02 MedSci MedSci原创

中心点:在新确诊的多发性骨髓瘤中,微小肿瘤亚克隆的TP53缺失是独立的预后因素。采用MLPA评估肿瘤亚克隆的TP53缺失,可用于标准诊断,有助于对患者进行分层管理。摘要:多发性骨髓瘤(MM)是一种遗传性的骨髓浆细胞异质性肿瘤,预后不一。为评估TP53拷贝数克隆异质性的预后相关性,Vallari Shah等人采用多重结扎依赖性探针扩增(MLPA)对骨髓瘤XI试验的1777例新确诊的骨髓瘤患者的肿瘤进

中心点:

在新确诊的多发性骨髓瘤中,微小肿瘤亚克隆的TP53缺失是独立的预后因素。

采用MLPA评估肿瘤亚克隆的TP53缺失,可用于标准诊断,有助于对患者进行分层管理

摘要:

多发性骨髓瘤(MM)是一种遗传性的骨髓浆细胞异质性肿瘤,预后不一。为评估TP53拷贝数克隆异质性的预后相关性,Vallari Shah等人采用多重结扎依赖性探针扩增(MLPA)对骨髓瘤XI试验的1777例新确诊的骨髓瘤患者的肿瘤进行异质性分析。

亚克隆TP53缺失与总体存活期更短独立相关,风险比高达1.8(95% CI 1.2-2.8;p=0.01)。克隆的(非亚克隆)TP53缺失与晚期病程的临床标志物相关,特别是血小板计数降低(p<0.001)、LDH(乳酸脱氢酶)升高(p<0.001)和指示基因组不稳定del(13q)或del(1p)的特征频率增高(p=0.002、p=0.006)。突变和缺失导致TP53双等位基因丧失功能的概率非常低(2.4%),与晚期疾病密切相关。

通过MLPA识别肿瘤亚克隆是否存在TP53缺失,或可改善多发性骨髓瘤患者的分层管理,促进个体化治疗。


原始出处:

Vallari Shah,et al. Sub-clonal TP53 copy number is associated with prognosis in multiple myeloma. Blood  2018  :blood-2018-06-857250;  doi: https://doi.org/10.1182/blood-2018-06-857250

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    2019-04-17 aids221
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    2019-03-11 jml2009
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1660177, encodeId=7bca16601e78b, content=<a href='/topic/show?id=8d0d28912db' target=_blank style='color:#2F92EE;'>#克隆#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28912, encryptionId=8d0d28912db, topicName=克隆)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=596825099872, createdName=aids221, createdTime=Wed Apr 17 19:14:00 CST 2019, time=2019-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1692018, encodeId=6ef21692018e8, content=<a href='/topic/show?id=a450530853c' target=_blank style='color:#2F92EE;'>#患者预后#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53085, encryptionId=a450530853c, topicName=患者预后)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8f4729287700, createdName=bnurmamat, createdTime=Mon Jul 29 20:14:00 CST 2019, time=2019-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1983913, encodeId=6ec81983913b9, content=<a href='/topic/show?id=3a375629858' target=_blank style='color:#2F92EE;'>#拷贝数#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56298, encryptionId=3a375629858, topicName=拷贝数)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3eaf430, createdName=bsmagic9132, createdTime=Thu Dec 06 08:14:00 CST 2018, time=2018-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1889950, encodeId=eb50188995073, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Mon Mar 11 19:14:00 CST 2019, time=2019-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1936888, encodeId=b27b1936888f9, content=<a href='/topic/show?id=78042423365' target=_blank style='color:#2F92EE;'>#亚克隆#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=24233, encryptionId=78042423365, topicName=亚克隆)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=85df2500173, createdName=654699882_84926986, createdTime=Sat Aug 10 08:14:00 CST 2019, time=2019-08-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1372404, encodeId=566713e240486, content=<a href='/topic/show?id=9d861362e53' target=_blank style='color:#2F92EE;'>#p53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13627, encryptionId=9d861362e53, topicName=p53)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5d70341, createdName=zhishijing, createdTime=Sun Nov 04 11:14:00 CST 2018, time=2018-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1458441, encodeId=a03814584417b, content=<a href='/topic/show?id=50a81e6869e' target=_blank style='color:#2F92EE;'>#TP53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, 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=Sun Nov 04 11:14:00 CST 2018, time=2018-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351308, encodeId=60f9351308d0, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Nov 02 21:39:15 CST 2018, time=2018-11-02, status=1, ipAttribution=)]
    2018-11-04 zhishijing
  7. [GetPortalCommentsPageByObjectIdResponse(id=1660177, encodeId=7bca16601e78b, content=<a href='/topic/show?id=8d0d28912db' target=_blank style='color:#2F92EE;'>#克隆#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28912, encryptionId=8d0d28912db, topicName=克隆)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=596825099872, createdName=aids221, createdTime=Wed Apr 17 19:14:00 CST 2019, time=2019-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1692018, encodeId=6ef21692018e8, content=<a href='/topic/show?id=a450530853c' target=_blank style='color:#2F92EE;'>#患者预后#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53085, encryptionId=a450530853c, topicName=患者预后)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8f4729287700, createdName=bnurmamat, createdTime=Mon Jul 29 20:14:00 CST 2019, time=2019-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1983913, encodeId=6ec81983913b9, content=<a href='/topic/show?id=3a375629858' target=_blank style='color:#2F92EE;'>#拷贝数#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56298, encryptionId=3a375629858, topicName=拷贝数)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3eaf430, createdName=bsmagic9132, createdTime=Thu Dec 06 08:14:00 CST 2018, time=2018-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1889950, encodeId=eb50188995073, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Mon Mar 11 19:14:00 CST 2019, time=2019-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1936888, encodeId=b27b1936888f9, content=<a href='/topic/show?id=78042423365' target=_blank style='color:#2F92EE;'>#亚克隆#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=24233, encryptionId=78042423365, topicName=亚克隆)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=85df2500173, createdName=654699882_84926986, createdTime=Sat Aug 10 08:14:00 CST 2019, time=2019-08-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1372404, encodeId=566713e240486, content=<a href='/topic/show?id=9d861362e53' target=_blank style='color:#2F92EE;'>#p53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13627, encryptionId=9d861362e53, topicName=p53)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5d70341, createdName=zhishijing, createdTime=Sun Nov 04 11:14:00 CST 2018, time=2018-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1458441, encodeId=a03814584417b, content=<a href='/topic/show?id=50a81e6869e' target=_blank style='color:#2F92EE;'>#TP53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, 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=Sun Nov 04 11:14:00 CST 2018, time=2018-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351308, encodeId=60f9351308d0, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Nov 02 21:39:15 CST 2018, time=2018-11-02, status=1, ipAttribution=)]
    2018-11-04 zblhy
  8. [GetPortalCommentsPageByObjectIdResponse(id=1660177, encodeId=7bca16601e78b, content=<a href='/topic/show?id=8d0d28912db' target=_blank style='color:#2F92EE;'>#克隆#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28912, encryptionId=8d0d28912db, topicName=克隆)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=596825099872, createdName=aids221, createdTime=Wed Apr 17 19:14:00 CST 2019, time=2019-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1692018, encodeId=6ef21692018e8, content=<a href='/topic/show?id=a450530853c' target=_blank style='color:#2F92EE;'>#患者预后#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=53085, encryptionId=a450530853c, topicName=患者预后)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8f4729287700, createdName=bnurmamat, createdTime=Mon Jul 29 20:14:00 CST 2019, time=2019-07-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1983913, encodeId=6ec81983913b9, content=<a href='/topic/show?id=3a375629858' target=_blank style='color:#2F92EE;'>#拷贝数#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56298, encryptionId=3a375629858, topicName=拷贝数)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3eaf430, createdName=bsmagic9132, createdTime=Thu Dec 06 08:14:00 CST 2018, time=2018-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1889950, encodeId=eb50188995073, content=<a href='/topic/show?id=760c430895a' target=_blank style='color:#2F92EE;'>#多发性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=43089, encryptionId=760c430895a, topicName=多发性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04d6114, createdName=jml2009, createdTime=Mon Mar 11 19:14:00 CST 2019, time=2019-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1936888, encodeId=b27b1936888f9, content=<a href='/topic/show?id=78042423365' target=_blank style='color:#2F92EE;'>#亚克隆#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=24233, encryptionId=78042423365, topicName=亚克隆)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=85df2500173, createdName=654699882_84926986, createdTime=Sat Aug 10 08:14:00 CST 2019, time=2019-08-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1372404, encodeId=566713e240486, content=<a href='/topic/show?id=9d861362e53' target=_blank style='color:#2F92EE;'>#p53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13627, encryptionId=9d861362e53, topicName=p53)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5d70341, createdName=zhishijing, createdTime=Sun Nov 04 11:14:00 CST 2018, time=2018-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1458441, encodeId=a03814584417b, content=<a href='/topic/show?id=50a81e6869e' target=_blank style='color:#2F92EE;'>#TP53#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, 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=Sun Nov 04 11:14:00 CST 2018, time=2018-11-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351308, encodeId=60f9351308d0, content=了解一下,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Nov 02 21:39:15 CST 2018, time=2018-11-02, status=1, ipAttribution=)]
    2018-11-02 天地飞扬

    了解一下,谢谢分享!

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