Cell:科学家发现一种可有效阻断SARS-CoV-2感染宿主细胞的试验药物!

2020-04-07 王昭月 生物探索

已有研究表明,人体的血管紧张素转换酶2 (Angiotensin converting enzyme 2, ACE2))是SARS-CoV-2的关键受体,抑制这种相互作用或有利于治疗COVID-19患

已有研究表明,人体的血管紧张素转换酶2 (Angiotensin converting enzyme 2, ACE2))是SARS-CoV-2的关键受体,抑制这种相互作用或有利于治疗COVID-19患者。而人重组可溶性ACE2(human recombinant soluble ACE2, hrsACE2)是否能阻断SARS-CoV-2的感染尚不得知。

近日,不列颠哥伦比亚大学Josef Penninger教授的课题组通过在细胞、器官、类细胞器上展开试验,发现hrsACE2可以显著阻断SARS-CoV-2感染的早期阶段,该研究结果目前已被《cell》期刊接收。

鉴于早先hrsACE2已通过临床1期和2期测试,且目前正在用于COVID-19的治疗研究。为了证明临床级别的hrsACE2确实可以干扰SARS-CoV-2感染,研究者将不同浓度的SARS-CoV-2——103PFUs(MOI 0.02)、105PFUs(MOI 2)和106PFUs(MOI 20)与hrsACE2混合30min,然后加入Vero-E6细胞,1小时后清洗细胞,并与新鲜培养基孵育,15小时后用qPCR检测细胞中的病毒RNA。


hrsACE2可阻断SARS-CoV-2感染

细胞试验结果表明,hrsACE2可以抑制新冠病毒,载量的倍数为1000~5000倍,但相同的mrsACE2却没有抑制作用。SARS-CoV-2可以直接感染工程化人体的血管和肾脏器官,且它们可以被hrsACE2抑制。这为疾病发展以及COVID-19严重病例存在多器官功能衰竭和心血管损害提供了重要证据。

资深作者Penninger补充说,导致COVID-19的病毒与第一种非典病毒密切相关,已有研究证实了ACE2是SARS-CoV-2的侵染入口,而这种可将病毒带走的可溶性ACE2,确实是一种非常合理的治疗方法,能为当下的COVID-19大流行的治疗带来希望。

原始出处:

Vanessa Monteil et al. Inhibition of SARS-CoV-2 infections in engineered human tissues using clinical-grade soluble human ACE2. Cell, 2020, doi:10.1016/j.cell.2020.04.004.

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    2020-10-30 docwu2019
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1710226, encodeId=026a1e1022652, content=<a href='/topic/show?id=7ac59e67604' target=_blank style='color:#2F92EE;'>#阻断#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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=Fri May 01 04:36:23 CST 2020, time=2020-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871661, encodeId=b68018e1661c0, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Nov 05 22:36:23 CST 2020, time=2020-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961955, encodeId=dd03196195585, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Fri Oct 30 04:36:23 CST 2020, time=2020-10-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1802641, encodeId=18a3180264178, content=<a href='/topic/show?id=acfae485578' target=_blank style='color:#2F92EE;'>#科学家发现#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=74855, encryptionId=acfae485578, topicName=科学家发现)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e572480, createdName=旅苦化文_208, createdTime=Wed Mar 17 04:36:23 CST 2021, time=2021-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937910, encodeId=c71c193e91062, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, 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 Apr 22 18:36:23 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321174, encodeId=37f413211e4c0, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, 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=Thu Apr 09 11:36:23 CST 2020, time=2020-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404747, encodeId=4ac61404e4772, content=<a href='/topic/show?id=1a4f4649925' target=_blank style='color:#2F92EE;'>#宿主#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46499, encryptionId=1a4f4649925, topicName=宿主)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/08904ED76550A0090DB220A7FB81D755/100, createdBy=78512492586, createdName=wincls, createdTime=Thu Apr 09 11:36:23 CST 2020, time=2020-04-09, status=1, ipAttribution=)]
    2020-04-22 hukaixun
  6. [GetPortalCommentsPageByObjectIdResponse(id=1710226, encodeId=026a1e1022652, content=<a href='/topic/show?id=7ac59e67604' target=_blank style='color:#2F92EE;'>#阻断#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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=Fri May 01 04:36:23 CST 2020, time=2020-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871661, encodeId=b68018e1661c0, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Nov 05 22:36:23 CST 2020, time=2020-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961955, encodeId=dd03196195585, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Fri Oct 30 04:36:23 CST 2020, time=2020-10-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1802641, encodeId=18a3180264178, content=<a href='/topic/show?id=acfae485578' target=_blank style='color:#2F92EE;'>#科学家发现#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=74855, encryptionId=acfae485578, topicName=科学家发现)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e572480, createdName=旅苦化文_208, createdTime=Wed Mar 17 04:36:23 CST 2021, time=2021-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937910, encodeId=c71c193e91062, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, 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 Apr 22 18:36:23 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321174, encodeId=37f413211e4c0, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, 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=Thu Apr 09 11:36:23 CST 2020, time=2020-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404747, encodeId=4ac61404e4772, content=<a href='/topic/show?id=1a4f4649925' target=_blank style='color:#2F92EE;'>#宿主#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46499, encryptionId=1a4f4649925, topicName=宿主)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/08904ED76550A0090DB220A7FB81D755/100, createdBy=78512492586, createdName=wincls, createdTime=Thu Apr 09 11:36:23 CST 2020, time=2020-04-09, status=1, ipAttribution=)]
    2020-04-09 小刀医生
  7. [GetPortalCommentsPageByObjectIdResponse(id=1710226, encodeId=026a1e1022652, content=<a href='/topic/show?id=7ac59e67604' target=_blank style='color:#2F92EE;'>#阻断#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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=Fri May 01 04:36:23 CST 2020, time=2020-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1871661, encodeId=b68018e1661c0, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Thu Nov 05 22:36:23 CST 2020, time=2020-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961955, encodeId=dd03196195585, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Fri Oct 30 04:36:23 CST 2020, time=2020-10-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1802641, encodeId=18a3180264178, content=<a href='/topic/show?id=acfae485578' target=_blank style='color:#2F92EE;'>#科学家发现#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=74855, encryptionId=acfae485578, topicName=科学家发现)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e572480, createdName=旅苦化文_208, createdTime=Wed Mar 17 04:36:23 CST 2021, time=2021-03-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1937910, encodeId=c71c193e91062, content=<a href='/topic/show?id=02de15902d3' target=_blank style='color:#2F92EE;'>#SARS-CoV#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, 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 Apr 22 18:36:23 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321174, encodeId=37f413211e4c0, content=<a href='/topic/show?id=ac0d159007f' target=_blank style='color:#2F92EE;'>#SARS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, 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=Thu Apr 09 11:36:23 CST 2020, time=2020-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1404747, encodeId=4ac61404e4772, content=<a href='/topic/show?id=1a4f4649925' target=_blank style='color:#2F92EE;'>#宿主#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46499, encryptionId=1a4f4649925, topicName=宿主)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdqq.qlogo.cn/qqapp/1103841572/08904ED76550A0090DB220A7FB81D755/100, createdBy=78512492586, createdName=wincls, createdTime=Thu Apr 09 11:36:23 CST 2020, time=2020-04-09, status=1, ipAttribution=)]
    2020-04-09 wincls

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