Blood:P4HA2通过羟基化Carbin促进B细胞淋巴瘤进展

2018-02-04 MedSci MedSci原创

中心点:P4HA2与DLBCL患者的病程进展和总体存活率差相关,可作为新的生物标志物和治疗靶点。P4HA2通过对Carabin的Pro306位点羟基化来抵消Carabin对淋巴瘤的负性作用。摘要:B细胞淋巴瘤是一种异质性的血液病,可选择的治疗方式有限,容易复发或进展成难治性。Carabin,B细胞受体信号和增殖的一种关键抑制剂,在B细胞淋巴瘤中处于失活状态,而且其机制不明。研究人员发现P4HA2(

中心点:

P4HA2与DLBCL患者的病程进展和总体存活率差相关,可作为新的生物标志物和治疗靶点。

P4HA2通过对Carabin的Pro306位点羟基化来抵消Carabin对淋巴瘤的负性作用。

摘要:

B细胞淋巴瘤是一种异质性的血液病,可选择的治疗方式有限,容易复发或进展成难治性。Carabin,B细胞受体信号和增殖的一种关键抑制剂,在B细胞淋巴瘤中处于失活状态,而且其机制不明。

研究人员发现P4HA2(脯氨酰4-羟化酶2)是Carabin的一种特异性的脯氨酸羟化酶。Carabin羟基化会导致其蛋白酶体降解,从而激活Ras/ERK通路,增加B细胞淋巴瘤增殖。P4HA2在正常的B细胞中检测不到,但在弥漫性大B细胞淋巴瘤(DLBCL)中上调,使Carabin失活、促进淋巴瘤增殖。

本研究结果表明P4HA2是DLBCL的一种潜在的预后标志,是一种有前景的药物靶点,可用来治疗分子层次的B细胞淋巴瘤。

原始出处:

Wei Jiang,et al.Prolyl 4-Hydroxylase 2 Promotes B-cell Lymphoma Progression via Hydroxylation of Carabin.Blood  2018  :blood-2017-07-794875;  doi: https://doi.org/10.1182/blood-2017-07-794875

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    2018-02-09 大爰

    学习了谢谢分享!!

    0

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    2018-02-07 lofter

    学习了感谢分享

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1702464, encodeId=eef41e02464bb, content=<a href='/topic/show?id=ddc9e795159' target=_blank style='color:#2F92EE;'>#细胞淋巴瘤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77951, encryptionId=ddc9e795159, topicName=细胞淋巴瘤)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=201630414353, createdName=marlenexl, createdTime=Wed Jan 16 22:19:00 CST 2019, time=2019-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1807514, encodeId=c978180e514cd, content=<a href='/topic/show?id=f5ae8000544' target=_blank style='color:#2F92EE;'>#羟基化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=80005, encryptionId=f5ae8000544, topicName=羟基化)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=568152, createdName=snowpeakxu, createdTime=Mon Jun 11 23:19:00 CST 2018, time=2018-06-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2079831, encodeId=640020e9831c3, content=<a href='/topic/show?id=f8c713624dc' target=_blank style='color:#2F92EE;'>#P4HA2#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13624, encryptionId=f8c713624dc, topicName=P4HA2)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f65b226, createdName=circumcision, createdTime=Fri Mar 23 11:19:00 CST 2018, time=2018-03-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=286467, encodeId=020f28646eef, content=学习了谢谢分享!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200816/e4675a86ea694f12b82202b320dc2654/12f6b900498349e994ce8f516a584d6a.jpg, createdBy=09431951290, createdName=大爰, createdTime=Fri Feb 09 09:09:35 CST 2018, time=2018-02-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=285889, encodeId=4f2a2858891f, content=学习了感谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/1103841572/C20CB8E4EBB36F5B821651C710BCB491/100, createdBy=18de1715848, createdName=lofter, createdTime=Wed Feb 07 08:27:11 CST 2018, time=2018-02-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1273226, encodeId=d26d12e3226ae, content=<a href='/topic/show?id=310d383ef5' target=_blank style='color:#2F92EE;'>#B细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3837, encryptionId=310d383ef5, topicName=B细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6eba113, createdName=xiaoyeshuang, createdTime=Tue Feb 06 13:19:00 CST 2018, time=2018-02-06, status=1, ipAttribution=)]