Blood:SARS-CoV-2特异性T细胞可快速扩增以用于临床治疗

2020-11-09 MedSci原创 MedSci原创

距离2019年12月武汉报道了首例新冠病毒(SARS-CoV-2)感染已经快一年了,随着冬天的再次到来,每日新增新冠病毒感染病例持续走高。美国在总统大选的影响下,已连续4日新增病例超10万。

距离2019年12月武汉报道了首例新冠病毒(SARS-CoV-2)感染已经快一年了,随着冬天的再次到来,每日新增新冠病毒感染病例持续走高。美国在总统大选的影响下,已连续4日新增病例超10万。

在康复患者中已研究过T细胞对SARS-CoV-2的应答。T细胞应答可能对感染和接种疫苗后的免疫以及开发用于治疗免疫受损个体的适应性免疫疗法具有重要意义。

在近日《Blood》上发表的一篇文章中,研究人员证明了SARS-CoV-2特异性T细胞可以在恢复中的感染患者体内扩增,并识别膜、棘突和核衣壳的保守区域的免疫优势病毒表位

采用GMP方法进行体外扩增后,分别有27例(59%)、12例(26%)和10例(22%)恢复期患者的膜、棘突和核衣壳多肽成功诱导了干扰素-γ的产生,而15例对照中仅有两例。研究人员在膜蛋白高度保守的区域中发现了多个CD4限制性的多功能性T细胞表位,这些表位可以诱导多功能性T细胞应答,这可能对开发有效的疫苗和T细胞疗法至关重要。

因此,该研究表明,针对结构蛋白(尤其是膜蛋白)的SARS-CoV-2靶向T细胞免疫治疗,或可用于免疫功能低下的血液疾病患者或骨髓移植后患者的SARS-CoV-2感染的预防或早期治疗,在减轻失控炎症的同时实现抗病毒治疗。

原始出处:

Michael D. Keller, et al. SARS-CoV-2 specific T-cells Are Rapidly Expanded for Therapeutic Use and Target Conserved Regions of Membrane Protein. Blood. October 26, 2020.

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    2020-11-22 hukaixun
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    2020-11-11 小刀医生
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1937969, encodeId=d984193e96956, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15902, encryptionId=02de15902d3, topicName=SARS-CoV)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6ab940, createdName=hukaixun, createdTime=Sun Nov 22 05:59:36 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1899437, encodeId=ab0b189943e02, content=<a href='/topic/show?id=6f746e94170' target=_blank style='color:#2F92EE;'>#特异性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67941, encryptionId=6f746e94170, topicName=特异性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=dc7a157, createdName=jinweidong, createdTime=Wed Jul 28 07:59:36 CST 2021, time=2021-07-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1654974, encodeId=be7316549e4cd, content=<a href='/topic/show?id=35456e943af' target=_blank style='color:#2F92EE;'>#特异性T细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67943, encryptionId=35456e943af, topicName=特异性T细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=237424588948, createdName=zhucaizhong7774, createdTime=Mon Feb 01 14:59:36 CST 2021, time=2021-02-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321235, encodeId=a1d91321235a3, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15900, encryptionId=ac0d159007f, topicName=SARS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8306486, createdName=小刀医生, createdTime=Wed Nov 11 04:59:36 CST 2020, time=2020-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1525836, encodeId=d2bc1525836ad, content=<a href='/topic/show?id=c93e228e889' target=_blank style='color:#2F92EE;'>#临床治疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=22878, encryptionId=c93e228e889, topicName=临床治疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a68911667380, createdName=xuyong527, createdTime=Wed Nov 11 04:59:36 CST 2020, time=2020-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=897989, encodeId=9f7d89e98959, content=距离2019年12月武汉报道了首例新冠病毒(SARS-CoV-2)感染已经快一年了,随着冬天的再次到来,每日新增新冠病毒感染病例持续走高。美国在总统大选的影响下,已连续4日新增病例超10万。, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b58d5402080, createdName=咻凡, createdTime=Mon Nov 09 15:46:13 CST 2020, time=2020-11-09, status=1, ipAttribution=)]
    2020-11-09 咻凡

    距离2019年12月武汉报道了首例新冠病毒(SARS-CoV-2)感染已经快一年了,随着冬天的再次到来,每日新增新冠病毒感染病例持续走高。美国在总统大选的影响下,已连续4日新增病例超10万。

    0

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