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欧盟科研人员实现青光眼创新型分子疗法

2015-05-14 佚名 科技部

青光眼(Glaucoma)作为典型的视觉神经退化性疾病之一,主要体现在视神经轴突(ONAs)和视网膜神经节细胞(RGCs)的退化性持续衰竭,是全球导致眼睛失明的第二大原因。欧盟第七研发框架计划(FP7)健康主题提供570万欧元资助,总研发投入740万欧元,由欧盟3个成员国及联系国以色列(总协调)、德国和西班牙,5家生物医学科研机构参与组成的欧洲VISION研发团队,长期从事青光眼生物分子疗法的研究

青光眼(Glaucoma)作为典型的视觉神经退化性疾病之一,主要体现在视神经轴突(ONAs)和视网膜神经节细胞(RGCs)的退化性持续衰竭,是全球导致眼睛失明的第二大原因。欧盟第七研发框架计划(FP7)健康主题提供570万欧元资助,总研发投入740万欧元,由欧盟3个成员国及联系国以色列(总协调)、德国和西班牙,5家生物医学科研机构参与组成的欧洲VISION研发团队,长期从事青光眼生物分子疗法的研究开发。
    
鉴于视觉神经属于中枢神经系统(CNS)的一部分,其细胞衰竭不可逆转,积极寻找有效抑制和减缓视觉神经细胞持续衰竭的创新型解决方案,成为研发团队的主攻方向。科研人员在研究中发现,目标信号蛋白3A(Sema 3A)在视觉神经轴突和视网膜神经节细胞调节方面的重要作用。使用特定的抗体抑制信号蛋白3A,有助于阻止和减缓视觉神经细胞凋亡的进程,从而具有抑制青光眼继续发展的积极效果。
    
研发团队在此基础上,成功研制开发出两种类型的Sema 3A生物抑制剂,分别基于低分子量(MW)技术和Sema 3A靶向抗体技术。并成功从噬菌体抗体库中筛选出“高效”抗体,结合人体抗体实现新的分子化合物合成,可有效对Sema 3A进行抑制。采用静电纺(Electrospinning)技术实现了载有Sema 3A合成抗体抑制剂生物可降解聚合物,即聚已内酯(Polycaprolactone)和聚乳酸乙醇酸共聚物(Poly-Lactic-Co-Glycolic Acid)的视网膜内置原型,通过微创手术已完成动物临床试验。目前,研发团队正在进行志愿者临床试验的前期筹备。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1746025, encodeId=9f2e1e4602599, content=<a href='/topic/show?id=6ce1e50024b' target=_blank style='color:#2F92EE;'>#科研人员#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75002, encryptionId=6ce1e50024b, topicName=科研人员)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=064535650230, createdName=zhangj7120, createdTime=Wed Aug 19 20:37:00 CST 2015, time=2015-08-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=34006, encodeId=c0e434006f4, content=应该是好消息, beContent=null, objectType=article, channel=null, level=null, likeNumber=201, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0dd81560120, createdName=elaine20088, createdTime=Sat Aug 01 18:23:00 CST 2015, time=2015-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23896, encodeId=cd27238968c, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=144, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Sun May 17 19:58:00 CST 2015, time=2015-05-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1285204, encodeId=648d1285204bf, content=<a href='/topic/show?id=77903209422' target=_blank style='color:#2F92EE;'>#创新#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32094, encryptionId=77903209422, topicName=创新)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sat May 16 13:37:00 CST 2015, time=2015-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23579, encodeId=4e45235e904, content=近视呢, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2018/12/07/86eb8ff0cc5e04d9b292a27c2970a0be.jpg, createdBy=73691616008, createdName=text, createdTime=Fri May 15 09:14:00 CST 2015, time=2015-05-15, status=1, ipAttribution=)]
    2015-08-01 elaine20088

    应该是好消息

    0

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    2015-05-17 huaxipanxing

    看看

    0

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  5. [GetPortalCommentsPageByObjectIdResponse(id=1746025, encodeId=9f2e1e4602599, content=<a href='/topic/show?id=6ce1e50024b' target=_blank style='color:#2F92EE;'>#科研人员#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75002, encryptionId=6ce1e50024b, topicName=科研人员)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=064535650230, createdName=zhangj7120, createdTime=Wed Aug 19 20:37:00 CST 2015, time=2015-08-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=34006, encodeId=c0e434006f4, content=应该是好消息, beContent=null, objectType=article, channel=null, level=null, likeNumber=201, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0dd81560120, createdName=elaine20088, createdTime=Sat Aug 01 18:23:00 CST 2015, time=2015-08-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23896, encodeId=cd27238968c, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=144, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Sun May 17 19:58:00 CST 2015, time=2015-05-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1285204, encodeId=648d1285204bf, content=<a href='/topic/show?id=77903209422' target=_blank style='color:#2F92EE;'>#创新#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32094, encryptionId=77903209422, topicName=创新)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=512a199, createdName=lilianxiang, createdTime=Sat May 16 13:37:00 CST 2015, time=2015-05-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23579, encodeId=4e45235e904, content=近视呢, beContent=null, objectType=article, channel=null, level=null, likeNumber=112, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2018/12/07/86eb8ff0cc5e04d9b292a27c2970a0be.jpg, createdBy=73691616008, createdName=text, createdTime=Fri May 15 09:14:00 CST 2015, time=2015-05-15, status=1, ipAttribution=)]
    2015-05-15 text

    近视呢

    0

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