Nat Commun:激动性CD40疗法会损害胶质瘤对检查点阻断的反应性 

2021-07-06 haibei MedSci原创

在临床前胶质瘤模型中,αCD40的全身递送会诱导功能低下的T细胞并损害对免疫检查点抑制剂的反应。

胶质母细胞瘤(GBM),或四级胶质瘤,是成人中最常见的恶性原发性脑肿瘤。尽管目前有手术、放疗、化疗以及最近在肿瘤治疗领域开发的多模式治疗策略,但是GBM患者的预后仍然不佳,中位生存期不到24个月。

虽然针对PD-1和CTLA-4的检查点抑制剂(CPI)在一些人类实体瘤和实验性小鼠胶质瘤模型中取得了临床成功,但它们对GBM患者的疗效被证明是有限的。这并不奇怪,因为大脑的免疫反应是适应敏感和免疫特化的微环境的。因此,需要专门针对脑瘤微环境设计的治疗方法,以便对GBM进行有效的免疫反应。

胶质瘤被骨髓中的巨噬细胞和脑内的小胶质细胞高度浸润,这些巨噬细胞促进肿瘤生长并抑制免疫反应。CD40在几种抗原呈递细胞(APCs)上表达,激动性CD40抗体(αCD40)具有广泛的免疫刺激作用。事实上,已有的研究显示,αCD40可以使巨噬细胞偏向于肿瘤抑制,并增强树突状细胞(DCs)的抗原表达。此外,CD40对B细胞的激活可以调节活化、抗体产生、生殖中心的形成和抗原表达。

目前,αCD40抗体正在针对众多实体瘤进行临床开发。然而,关于它们在胶质瘤中的疗效,目前有相互矛盾的证据,因为其结果因实验模型和组合治疗方案而异。彻底了解αCD40疗法如何影响大脑免疫反应的不同部分,对于评估其治疗胶质瘤的潜力是必要的。

最近,研究人员在Nature Communications杂志发文,证明了在临床前胶质瘤模型中,αCD40的系统性递送会诱导脑膜组织附近的三级淋巴结构(TLS)的形成。在未接受治疗的胶质瘤患者中,TLS的存在与T细胞浸润的增加有关

αCD40治疗导致临床前胶质瘤模型中的细胞毒性T细胞反应受到抑制

然而,在临床前胶质瘤模型中,αCD40的全身递送会诱导功能低下的T细胞并损害对免疫检查点抑制剂的反应。这与αCD40治疗后全身诱导抑制性CD11b+B细胞有关,这些细胞在肿瘤微环境中积累。

因此,该研究结果揭示了αCD40治疗对胶质瘤的多种影响,并揭示了免疫疗法可以调节大脑中TLS的形成,为未来调节免疫反应提供了机会。

 

原始出处:

Luuk van Hooren et al. Agonistic CD40 therapy induces tertiary lymphoid structures but impairs responses to checkpoint blockade in glioma. Nature Communications (2021). 

 

 

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    2021-10-29 liuli5079
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    2021-09-11 liye789132251
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    2021-11-16 qidongfanjian
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  5. [GetPortalCommentsPageByObjectIdResponse(id=2088060, encodeId=fad3208806009, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Fri Oct 29 21:15:52 CST 2021, time=2021-10-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885287, encodeId=f9c1188528ebe, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sat Sep 11 15:15:52 CST 2021, time=2021-09-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864298, encodeId=cee318642984b, content=<a href='/topic/show?id=f930432538' target=_blank style='color:#2F92EE;'>#CD4#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4325, encryptionId=f930432538, topicName=CD4)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b09892, createdName=qidongfanjian, createdTime=Tue Nov 16 14:15:52 CST 2021, time=2021-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1710285, encodeId=49511e102854a, content=<a href='/topic/show?id=7ac59e67604' target=_blank style='color:#2F92EE;'>#阻断#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97676, encryptionId=7ac59e67604, topicName=阻断)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b5ca31824852, createdName=41514497@qq.com, createdTime=Mon May 16 14:15:52 CST 2022, time=2022-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2022864, encodeId=dd8e202286400, content=<a href='/topic/show?id=188b3e7309c' target=_blank style='color:#2F92EE;'>#反应性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=37730, encryptionId=188b3e7309c, topicName=反应性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d7532500500, createdName=12499e01m47暂无昵称, createdTime=Wed Oct 06 06:15:52 CST 2021, time=2021-10-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=996893, encodeId=a2f8996893af, content=1, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210706/7df695579c11481bb6a0fbcf0e0e9a61/c823c39ca53e4bd5b92be0c758cf4ab8.jpg, createdBy=3f425543050, createdName=111ppttt, createdTime=Tue Jul 06 20:38:17 CST 2021, time=2021-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=996891, encodeId=a7ae99689149, content=厉害厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210706/7df695579c11481bb6a0fbcf0e0e9a61/c823c39ca53e4bd5b92be0c758cf4ab8.jpg, createdBy=3f425543050, createdName=ms6000001040557090, createdTime=Tue Jul 06 20:21:15 CST 2021, time=2021-07-06, status=1, ipAttribution=)]
  6. [GetPortalCommentsPageByObjectIdResponse(id=2088060, encodeId=fad3208806009, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Fri Oct 29 21:15:52 CST 2021, time=2021-10-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885287, encodeId=f9c1188528ebe, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sat Sep 11 15:15:52 CST 2021, time=2021-09-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864298, encodeId=cee318642984b, content=<a href='/topic/show?id=f930432538' target=_blank style='color:#2F92EE;'>#CD4#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4325, encryptionId=f930432538, topicName=CD4)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b09892, createdName=qidongfanjian, createdTime=Tue Nov 16 14:15:52 CST 2021, time=2021-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1710285, encodeId=49511e102854a, content=<a href='/topic/show?id=7ac59e67604' target=_blank style='color:#2F92EE;'>#阻断#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97676, encryptionId=7ac59e67604, topicName=阻断)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b5ca31824852, createdName=41514497@qq.com, createdTime=Mon May 16 14:15:52 CST 2022, time=2022-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2022864, encodeId=dd8e202286400, content=<a href='/topic/show?id=188b3e7309c' target=_blank style='color:#2F92EE;'>#反应性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=37730, encryptionId=188b3e7309c, topicName=反应性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d7532500500, createdName=12499e01m47暂无昵称, createdTime=Wed Oct 06 06:15:52 CST 2021, time=2021-10-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=996893, encodeId=a2f8996893af, content=1, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210706/7df695579c11481bb6a0fbcf0e0e9a61/c823c39ca53e4bd5b92be0c758cf4ab8.jpg, createdBy=3f425543050, createdName=111ppttt, createdTime=Tue Jul 06 20:38:17 CST 2021, time=2021-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=996891, encodeId=a7ae99689149, content=厉害厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210706/7df695579c11481bb6a0fbcf0e0e9a61/c823c39ca53e4bd5b92be0c758cf4ab8.jpg, createdBy=3f425543050, createdName=ms6000001040557090, createdTime=Tue Jul 06 20:21:15 CST 2021, time=2021-07-06, status=1, ipAttribution=)]
    2021-07-06 111ppttt

    1

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=2088060, encodeId=fad3208806009, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Fri Oct 29 21:15:52 CST 2021, time=2021-10-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885287, encodeId=f9c1188528ebe, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sat Sep 11 15:15:52 CST 2021, time=2021-09-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864298, encodeId=cee318642984b, content=<a href='/topic/show?id=f930432538' target=_blank style='color:#2F92EE;'>#CD4#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4325, encryptionId=f930432538, topicName=CD4)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b09892, createdName=qidongfanjian, createdTime=Tue Nov 16 14:15:52 CST 2021, time=2021-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1710285, encodeId=49511e102854a, content=<a href='/topic/show?id=7ac59e67604' target=_blank style='color:#2F92EE;'>#阻断#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97676, encryptionId=7ac59e67604, topicName=阻断)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b5ca31824852, createdName=41514497@qq.com, createdTime=Mon May 16 14:15:52 CST 2022, time=2022-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2022864, encodeId=dd8e202286400, content=<a href='/topic/show?id=188b3e7309c' target=_blank style='color:#2F92EE;'>#反应性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=37730, encryptionId=188b3e7309c, topicName=反应性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d7532500500, createdName=12499e01m47暂无昵称, createdTime=Wed Oct 06 06:15:52 CST 2021, time=2021-10-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=996893, encodeId=a2f8996893af, content=1, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210706/7df695579c11481bb6a0fbcf0e0e9a61/c823c39ca53e4bd5b92be0c758cf4ab8.jpg, createdBy=3f425543050, createdName=111ppttt, createdTime=Tue Jul 06 20:38:17 CST 2021, time=2021-07-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=996891, encodeId=a7ae99689149, content=厉害厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210706/7df695579c11481bb6a0fbcf0e0e9a61/c823c39ca53e4bd5b92be0c758cf4ab8.jpg, createdBy=3f425543050, createdName=ms6000001040557090, createdTime=Tue Jul 06 20:21:15 CST 2021, time=2021-07-06, status=1, ipAttribution=)]
    2021-07-06 ms6000001040557090

    厉害厉害

    0

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