CELL:从新冠患者中分离出强效的近种系SARS-CoV-2中和抗体

2020-07-10 MedSci原创 MedSci原创

为了鉴定SARS-CoV-2中和抗体,最近,研究人员分析了12例COVID-19患者在确诊后8~69天的抗体反应。通过筛选4,313个SARS-CoV-2反应性B细胞。

SARS-CoV-2大流行对公共卫生、社会生活和世界经济产生了前所未有的影响。由于目前还没有获批的药物和疫苗,因此对COVID-19治疗和预防的新方案的需求仍然很大。

为了鉴定SARS-CoV-2中和抗体,最近,研究人员分析了12例COVID-19患者在确诊后8~69天的抗体反应。通过筛选4,313个SARS-CoV-2反应性B细胞,研究人员从诊断后8天的不同时间点分离出255个抗体。

其中,28个抗体能有效地中和SARS-CoV-2(IC100低至0.04μg/ml),显示出广泛的V基因谱和低水平的体细胞突变。

有趣的是,研究人员在COVID-19大流行前取样的48名健康人的naive B细胞汇群中发现了潜在的前体。

因此,该研究结果表明,SARS-CoV-2中和抗体很容易从不同的前体池中产生,表明疫苗接种后有希望快速诱导保护性免疫反应。

 

原始出处:

Christoph Kreer et al. Longitudinal isolation of potent near-germline SARS-CoV-2-neutralizing antibodies from COVID-19 patients. CELL (2020). DOI:https://doi.org/10.1016/j.cell.2020.06.044

 

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    2021-03-10 hukaixun
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    2020-10-20 维他命
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    2020-07-12 小刀医生
  6. [GetPortalCommentsPageByObjectIdResponse(id=1937933, encodeId=6ac5193e933c4, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=17, 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=Wed Mar 10 09:35:55 CST 2021, time=2021-03-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1962132, encodeId=efb5196213265, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Tue Oct 20 15:35:55 CST 2020, time=2020-10-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1906527, encodeId=91bd190652ea4, content=<a href='/topic/show?id=317e5805e9d' target=_blank style='color:#2F92EE;'>#新冠患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58057, encryptionId=317e5805e9d, topicName=新冠患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b3e9205, createdName=tidiq, createdTime=Mon Apr 05 14:35:55 CST 2021, time=2021-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871835, encodeId=b38118e183542, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sat Dec 26 02:35:55 CST 2020, time=2020-12-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321199, encodeId=0607132119931, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, 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=Sun Jul 12 02:35:55 CST 2020, time=2020-07-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=802171, encodeId=99ee8021e1bf, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/ETmicU1bTbJ9wgxFrgiazzBvItYTRGkYZSS3aEWZpjNw6K2jslniacz0X6soibNf9wzYTmGltGbrKFBXnFQhrSLsXQ/132, createdBy=8d285168486, createdName=77665544332211, createdTime=Fri Jul 10 19:22:15 CST 2020, time=2020-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1028279, encodeId=50fb10282e9df, content=新冠肺炎,疫情何时才能消失, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=公卫新人, createdTime=Fri Jul 10 14:35:55 CST 2020, time=2020-07-10, status=1, ipAttribution=)]
    2020-07-10 77665544332211

    学习

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1937933, encodeId=6ac5193e933c4, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=17, 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=Wed Mar 10 09:35:55 CST 2021, time=2021-03-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1962132, encodeId=efb5196213265, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Tue Oct 20 15:35:55 CST 2020, time=2020-10-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1906527, encodeId=91bd190652ea4, content=<a href='/topic/show?id=317e5805e9d' target=_blank style='color:#2F92EE;'>#新冠患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58057, encryptionId=317e5805e9d, topicName=新冠患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b3e9205, createdName=tidiq, createdTime=Mon Apr 05 14:35:55 CST 2021, time=2021-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871835, encodeId=b38118e183542, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Sat Dec 26 02:35:55 CST 2020, time=2020-12-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321199, encodeId=0607132119931, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, 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=Sun Jul 12 02:35:55 CST 2020, time=2020-07-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=802171, encodeId=99ee8021e1bf, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/ETmicU1bTbJ9wgxFrgiazzBvItYTRGkYZSS3aEWZpjNw6K2jslniacz0X6soibNf9wzYTmGltGbrKFBXnFQhrSLsXQ/132, createdBy=8d285168486, createdName=77665544332211, createdTime=Fri Jul 10 19:22:15 CST 2020, time=2020-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1028279, encodeId=50fb10282e9df, content=新冠肺炎,疫情何时才能消失, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=公卫新人, createdTime=Fri Jul 10 14:35:55 CST 2020, time=2020-07-10, status=1, ipAttribution=)]
    2020-07-10 公卫新人

    新冠肺炎,疫情何时才能消失

    0

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