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Nat Commun:多方面的免疫调控和组织向性临床细菌分离能够促进前列腺癌免疫治疗

2018-05-03 AlexYang MedSci原创

免疫检查点抑制剂对一些免疫反应迟钝的肿瘤并不十分有效,比如前列腺癌,且前列腺癌还包括了罕见的肿瘤浸润淋巴细胞现象。最近,有研究人员假设选择组织特异性和免疫调控细菌能够促进这些免疫治疗的效果。研究人员在研究中展示了一个来源于病人的前列腺特异性细菌,CP1,结合抗PD-1免疫治疗方法,能够在正位的MYC-和PTEN突变的前列腺癌模型中增加生存且减少肿瘤负担。CP1在尿道内特异性定殖并且能够在肿瘤上增殖

免疫检查点抑制剂对一些免疫反应迟钝的肿瘤并不十分有效,比如前列腺癌,且前列腺癌还包括了罕见的肿瘤浸润淋巴细胞现象。最近,有研究人员假设选择组织特异性和免疫调控细菌能够具有促进这些免疫治疗的效果。

研究人员在研究中展示了一个来源于病人的前列腺特异性细菌,CP1,结合抗PD-1免疫治疗方法,能够在正位的MYC-和PTEN突变的前列腺癌模型中增加生存且减少肿瘤负担。CP1在尿道内特异性定殖并且能够在肿瘤上增殖,还不引起任何全身性的毒性。另外,CP1能够增加癌细胞、T细胞毒性、引起肿瘤浸润的激活的CD8 T细胞、Th17 T细胞、成熟树突细胞、M1巨噬细胞和NK细胞的免疫原性细胞的死亡。CP1同样能够减少肿瘤内调节T细胞和VEGF的免疫原性细胞的死亡。

最后,研究人员指出,从浸润的肿瘤中阻断CP1招募的T细胞能够抑制它的治疗效果。CP1是一个免疫治疗工具,并且阐释了组织特异性微生物是怎样能够增加肿瘤免疫原性以及如何使一种治疗抗性癌症类型对免疫治疗重新敏感。

原始出处:

Jonathan F. Anker, Anum F. Naseem, Hanlin Mok et al. Multi-faceted immunomodulatory and tissue-tropic clinical bacterial isolate potentiates prostate cancer immunotherapy. Nat Commun. 23 April 2018.

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    2018-10-09 liuli5079
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    2018-08-31 liye789132251
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  4. [GetPortalCommentsPageByObjectIdResponse(id=2087337, encodeId=2c63208e33798, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Tue Oct 09 10:04:00 CST 2018, time=2018-10-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1883008, encodeId=0bb518830081d, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Fri Aug 31 03:04:00 CST 2018, time=2018-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1599288, encodeId=92ba1599288b8, content=<a href='/topic/show?id=bfa7291e596' target=_blank style='color:#2F92EE;'>#免疫调控#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=29175, encryptionId=bfa7291e596, topicName=免疫调控)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=4f5018689307, createdName=yangcx0921, createdTime=Sat May 05 11:04:00 CST 2018, time=2018-05-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=311926, encodeId=2997311926e7, content=免疫检查点抑制剂对一些免疫反应迟钝的肿瘤并不十分有效.比如前列腺癌.且前列腺癌还包括了罕见的肿瘤浸润淋巴细胞现象.最近.有研究人员假设选择组织特异性和免疫调控细菌能够促进这些免疫治疗的效果., beContent=null, objectType=article, channel=null, level=null, likeNumber=109, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Fri May 04 13:03:29 CST 2018, time=2018-05-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=311829, encodeId=074b31182936, content=好文献学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b5a62240667, createdName=张新亮1853311252142e2fm, createdTime=Fri May 04 07:21:39 CST 2018, time=2018-05-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=311734, encodeId=56ff311e34c6, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Thu May 03 22:52:03 CST 2018, time=2018-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=311721, encodeId=cd4b311e21fc, content=免疫检查点抑制剂对一些免疫反应迟钝的肿瘤并不十分有效.比如前列腺癌.且前列腺癌还包括了罕见的肿瘤浸润淋巴细胞现象.最近.有研究人员假设选择组织特异性和免疫调控细菌能够促进这些免疫治疗的效果., beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7cJ6ejWUr2nIia8qOvAKNdLHr32Df6G8iaoaOx6pHaoiacwp26DaslxZHCGbibZhhCGven4rvmWP60GahtzgFjgCjR/0, createdBy=6b111703011, createdName=有备才能无患, createdTime=Thu May 03 22:27:46 CST 2018, time=2018-05-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=311715, encodeId=6567311e15b7, content=学习了.谢谢分享., beContent=null, objectType=article, channel=null, level=null, likeNumber=93, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=60791943465, createdName=1e0f8808m18(暂无匿称), createdTime=Thu May 03 22:17:55 CST 2018, time=2018-05-03, status=1, ipAttribution=)]
    2018-05-04 有备才能无患

    免疫检查点抑制剂对一些免疫反应迟钝的肿瘤并不十分有效.比如前列腺癌.且前列腺癌还包括了罕见的肿瘤浸润淋巴细胞现象.最近.有研究人员假设选择组织特异性和免疫调控细菌能够促进这些免疫治疗的效果.

    0

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    2018-05-04 张新亮1853311252142e2fm

    好文献学习了

    0

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    2018-05-03 1e1b8538m79(暂无匿称)

    不错的文章值得拥有

    0

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    2018-05-03 有备才能无患

    免疫检查点抑制剂对一些免疫反应迟钝的肿瘤并不十分有效.比如前列腺癌.且前列腺癌还包括了罕见的肿瘤浸润淋巴细胞现象.最近.有研究人员假设选择组织特异性和免疫调控细菌能够促进这些免疫治疗的效果.

    0

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    2018-05-03 1e0f8808m18(暂无匿称)

    学习了.谢谢分享.

    0

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