JACS:章晓联团队发表结核疫苗研究重大成果

2017-04-26 佚名 武汉大学医学研究院

近期,Journal of the American Chemical Society杂志(JACS,美国化学会志)(影响因子:13.038,SCI 一区)在线发表了武汉大学基础医学院、医学研究院和病毒学国家重点实验室的章晓联课题组的研究成果,武汉大学为唯一署名单位。结核病是目前威胁人类生命健康的三大传染性疾病之一。该病由结核分枝杆菌(也称结核菌,Mycobacterium Tuberculosi

近期,Journal of the American Chemical Society杂志(JACS,美国化学会志)(影响因子:13.038,SCI 一区)在线发表了武汉大学基础医学院、医学研究院和病毒学国家重点实验室的章晓联课题组的研究成果,武汉大学为唯一署名单位。

结核病是目前威胁人类生命健康的三大传染性疾病之一。该病由结核分枝杆菌(也称结核菌,Mycobacterium Tuberculosis,M. tb)感染引起,我国是结核病大国,结核病患者基数大。当前唯一获准用于预防结核病并广泛使用的疫苗是卡介苗(Bacillus Calmette-Guérin, BCG),尽管BCG安全、稳定且成本低,在新生儿期接种效果最佳;但BCG对免疫系统发育健全的成年人几乎没有保护作用。在国家重大传染病专项资助下,章晓联课题组首次研发和报道了新型核酸小分子增强剂,它可显着特异性提高卡介苗-BCG免疫原性,经小鼠和恒河猴感染模型证明,其能增强宿主对结核菌感染的抵抗力和保护力。

论文题为A single ssDNA aptamer binding to Mannose-capped lipoarabinomannan of Bacillus Calmette–Guérin enhances immunoprotective effect against Tuberculosis(《BCG甘露糖修饰脂阿拉伯甘露聚糖(ManLAM)的单链DNA配体能提高免疫宿主对结核菌感染的抵抗力》)。章晓联教授为该文章的唯一通讯作者,孙晓明、潘勤为论文共同第一作者。文章报道了通过高通量小分子随机文库,从中筛选出了能特异性结合BCG表面ManLAM的单链DNA配体。该单链DNA配体能阻断BCG ManLAM与巨噬细胞表面抑制性受体的结合,同时促进ManLAM与活化性受体的结合,进而增强BCG刺激下巨噬细胞M1型的极化和Th1细胞活化,从而增强细胞对结核菌感染的抵抗力。将该单链DNA配体与BCG联合免疫小鼠和猴,能有效地增强小鼠和猴对结核菌感染的免疫力和保护作用。此项研究为增强结核疫苗-BCG的免疫效果提供了一条极具前景的新途径和方法。

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    2017-11-18 1dd8c52fm63(暂无匿称)

    学习学习.继续关注

    0

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    2017-05-07 绛珠草小姐

    学习了,谢谢

    0

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    2017-05-02 绛珠草小姐

    学习了,谢谢分享

    0

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    2017-04-28 yaanren
  6. [GetPortalCommentsPageByObjectIdResponse(id=262258, encodeId=8a29262258ee, content=学习学习.继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=93f31631454, createdName=1dd8c52fm63(暂无匿称), createdTime=Sat Nov 18 11:43:57 CST 2017, time=2017-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=194968, encodeId=dfd61949684e, content=学习了,谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/101296147/1A51842815047D40BFDAA8D69AA8E519/100, createdBy=fd7f2029163, createdName=绛珠草小姐, createdTime=Sun May 07 10:55:22 CST 2017, time=2017-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=192875, encodeId=8d481928e5af, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/101296147/1A51842815047D40BFDAA8D69AA8E519/100, createdBy=fd7f2029163, createdName=绛珠草小姐, createdTime=Tue May 02 12:31:32 CST 2017, time=2017-05-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1254055, encodeId=61021254055d2, content=<a href='/topic/show?id=f30ae86297d' target=_blank style='color:#2F92EE;'>#结核#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=78629, encryptionId=f30ae86297d, topicName=结核)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=huhuaidong387, createdTime=Fri Apr 28 09:34:00 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1279162, encodeId=995512e916283, content=<a href='/topic/show?id=316d1882bc' target=_blank style='color:#2F92EE;'>#ACS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1882, encryptionId=316d1882bc, topicName=ACS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=102a153, createdName=yaanren, createdTime=Fri Apr 28 09:34:00 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191157, encodeId=955f19115e56, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28761705280, createdName=cuiyejia, createdTime=Thu Apr 27 17:19:06 CST 2017, time=2017-04-27, status=1, ipAttribution=)]
    2017-04-27 cuiyejia

    学习了,谢谢分享

    0