PLoS ONE:手足口病病毒EV71 C4亚型基因工程疫苗初步研制成功

2013-07-27 上海巴斯德所 上海巴斯德所

近日,国际学术刊物PLoS ONE在线发表了中科院上海巴斯德研究所黄忠课题组和中科院过程工程研究所苏志国课题组关于肠道病毒71型基因工程疫苗的合作研究成果。 手足口病是5岁以下儿童中发生的常见传染病,潜伏期为2至7天,患者的典型症状表现为发热及手、足、口腔等部位的疱疹,部分患者可引起脑干脑炎、肺水肿、心肌炎、无菌性脑膜脑炎等并发症并造成死亡。2012年,我国内地共有2,198,442个报告病例,

近日,国际学术刊物PLoS ONE在线发表了中科院上海巴斯德研究所黄忠课题组和中科院过程工程研究所苏志国课题组关于肠道病毒71型基因工程疫苗的合作研究成果。

手足口病是5岁以下儿童中发生的常见传染病,潜伏期为2至7天,患者的典型症状表现为发热及手、足、口腔等部位的疱疹,部分患者可引起脑干脑炎、肺水肿、心肌炎、无菌性脑膜脑炎等并发症并造成死亡。2012年,我国内地共有2,198,442个报告病例,造成569例死亡。然而,目前还没有预防手足口病的有效疫苗。

肠道病毒71型(EV71)是引起手足口病的主要病原体,包含11种亚型,其中C4亚型在中国大陆流行。因此,尽快开发出针对EV71,尤其是针对C4亚型的疫苗,对于有效预防和控制我国儿童中发生的手足口病,具有重要的意义。

上海巴斯德所疫苗学与抗病毒策略研究组博士研究生库志强等在黄忠研究员和苏志国研究员的指导下,利用基因工程手段制备了EV71病毒C4亚型的病毒样颗粒疫苗,这种病毒样颗粒保持了病毒外部形态和所有结构蛋白,但没有感染性的病毒核酸。用病毒样颗粒疫苗免疫小鼠所获得的抗血清在体外实验中可以有效保护细胞免受病毒感染,表明抗血清中存在高效价的中和抗体。

进一步研究显示抗血清中的中和抗体主要结合病毒外壳表面突起的一个保守位点。更为重要的是发现中和抗体不仅可以早期封闭病毒与细胞的结合,并且在病毒与细胞表面结合后还可以阻止病毒进入细胞,从而在抗病毒感染的过程中发挥两重抑制作用。

该项研究初步揭示了EV71病毒样颗粒疫苗的抗病毒保护机制,为开发基于病毒样颗粒的EV71基因工程疫苗奠定了基础。研究工作得到中国科学院“百人计划”和生化工程国家重点实验室开放基金的经费支持。

原始出处:

Ku Z, Ye X, Huang X, Cai Y, Liu Q, Li Y, Su Z, Huang Z.Neutralizing antibodies induced by recombinant virus-like particles of enterovirus 71 genotype C4 inhibit infection at pre- and post-attachment steps.PLoS One. 2013;8(2):e57601.

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  1. [GetPortalCommentsPageByObjectIdResponse(id=45457, encodeId=f47e4545e92, content=在这个网址中www_.thelancet.cn/journal/article/EV71_vaccine_prevent_had_neglected_diseases找到的中文版的柳叶刀关于朱凤才讲授的文章,也是做疫苗研究。, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f1141653692, createdName=飘羽飞鱼, createdTime=Thu Dec 10 13:49:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14467, encodeId=80c11446ef5, content=EV71病毒C4亚型是我国胡主要流行毒株,这样的研究很有意义。但不清楚这个研究团队和江苏朱凤才团队是啥关系,似乎做的东西是一样的, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=babf93234, createdName=epamn, createdTime=Sat Jan 17 08:18:00 CST 2015, time=2015-01-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1789541, encodeId=63401e89541f6, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Sat Mar 15 15:48:00 CST 2014, time=2014-03-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1985170, encodeId=68d119851e034, content=<a href='/topic/show?id=999fe1009a' target=_blank style='color:#2F92EE;'>#EV71#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7100, encryptionId=999fe1009a, topicName=EV71)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=aa5a2500103, createdName=ms920641618706883, createdTime=Tue Feb 11 17:48:00 CST 2014, time=2014-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1800938, encodeId=272c180093889, content=<a href='/topic/show?id=66dfe332390' target=_blank style='color:#2F92EE;'>#研制成功#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73323, encryptionId=66dfe332390, topicName=研制成功)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Mon Dec 16 10:48:00 CST 2013, time=2013-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1678315, encodeId=aae616e8315c5, content=<a href='/topic/show?id=256154569b3' target=_blank style='color:#2F92EE;'>#手足口#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54569, encryptionId=256154569b3, topicName=手足口)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bbc627685059, createdName=lingqf, createdTime=Thu Sep 12 16:48:00 CST 2013, time=2013-09-12, status=1, ipAttribution=)]
    2015-12-10 飘羽飞鱼

    在这个网址中www_.thelancet.cn/journal/article/EV71_vaccine_prevent_had_neglected_diseases找到的中文版的柳叶刀关于朱凤才讲授的文章,也是做疫苗研究。

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=45457, encodeId=f47e4545e92, content=在这个网址中www_.thelancet.cn/journal/article/EV71_vaccine_prevent_had_neglected_diseases找到的中文版的柳叶刀关于朱凤才讲授的文章,也是做疫苗研究。, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f1141653692, createdName=飘羽飞鱼, createdTime=Thu Dec 10 13:49:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14467, encodeId=80c11446ef5, content=EV71病毒C4亚型是我国胡主要流行毒株,这样的研究很有意义。但不清楚这个研究团队和江苏朱凤才团队是啥关系,似乎做的东西是一样的, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=babf93234, createdName=epamn, createdTime=Sat Jan 17 08:18:00 CST 2015, time=2015-01-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1789541, encodeId=63401e89541f6, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Sat Mar 15 15:48:00 CST 2014, time=2014-03-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1985170, encodeId=68d119851e034, content=<a href='/topic/show?id=999fe1009a' target=_blank style='color:#2F92EE;'>#EV71#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7100, encryptionId=999fe1009a, topicName=EV71)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=aa5a2500103, createdName=ms920641618706883, createdTime=Tue Feb 11 17:48:00 CST 2014, time=2014-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1800938, encodeId=272c180093889, content=<a href='/topic/show?id=66dfe332390' target=_blank style='color:#2F92EE;'>#研制成功#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73323, encryptionId=66dfe332390, topicName=研制成功)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Mon Dec 16 10:48:00 CST 2013, time=2013-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1678315, encodeId=aae616e8315c5, content=<a href='/topic/show?id=256154569b3' target=_blank style='color:#2F92EE;'>#手足口#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54569, encryptionId=256154569b3, topicName=手足口)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bbc627685059, createdName=lingqf, createdTime=Thu Sep 12 16:48:00 CST 2013, time=2013-09-12, status=1, ipAttribution=)]
    2015-01-17 epamn

    EV71病毒C4亚型是我国胡主要流行毒株,这样的研究很有意义。但不清楚这个研究团队和江苏朱凤才团队是啥关系,似乎做的东西是一样的

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=45457, encodeId=f47e4545e92, content=在这个网址中www_.thelancet.cn/journal/article/EV71_vaccine_prevent_had_neglected_diseases找到的中文版的柳叶刀关于朱凤才讲授的文章,也是做疫苗研究。, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f1141653692, createdName=飘羽飞鱼, createdTime=Thu Dec 10 13:49:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14467, encodeId=80c11446ef5, content=EV71病毒C4亚型是我国胡主要流行毒株,这样的研究很有意义。但不清楚这个研究团队和江苏朱凤才团队是啥关系,似乎做的东西是一样的, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=babf93234, createdName=epamn, createdTime=Sat Jan 17 08:18:00 CST 2015, time=2015-01-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1789541, encodeId=63401e89541f6, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=55683, createdName=仁医06, createdTime=Sat Mar 15 15:48:00 CST 2014, time=2014-03-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1985170, encodeId=68d119851e034, content=<a href='/topic/show?id=999fe1009a' target=_blank style='color:#2F92EE;'>#EV71#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7100, encryptionId=999fe1009a, topicName=EV71)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=aa5a2500103, createdName=ms920641618706883, createdTime=Tue Feb 11 17:48:00 CST 2014, time=2014-02-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1800938, encodeId=272c180093889, content=<a href='/topic/show?id=66dfe332390' target=_blank style='color:#2F92EE;'>#研制成功#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73323, encryptionId=66dfe332390, topicName=研制成功)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Mon Dec 16 10:48:00 CST 2013, time=2013-12-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1678315, encodeId=aae616e8315c5, content=<a href='/topic/show?id=256154569b3' target=_blank style='color:#2F92EE;'>#手足口#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54569, encryptionId=256154569b3, topicName=手足口)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bbc627685059, createdName=lingqf, createdTime=Thu Sep 12 16:48:00 CST 2013, time=2013-09-12, status=1, ipAttribution=)]
    2014-03-15 仁医06
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    2013-09-12 lingqf

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