自体嗅粘膜移植改善实验性脊髓损伤

2012-12-19 佚名 丁香园

  在之前进行的啮齿类动物“原则证明”(proof of principle)的实验中,椎管内嗅鞘细胞移植可改善脊髓损伤后运动功能,这表明其应用于人类可能有效。然而,实验性动物脊髓损伤不能准确地模拟临床患者所固有的异质性,动物的脊髓功能的各个方面也不足够经得住客观的评估。   为此,英国剑桥大学Nicolas Granger等学者进行了一项研究旨在明确明确是否存在一

  在之前进行的啮齿类动物“原则证明”(proof of principle)的实验中,椎管内嗅鞘细胞移植可改善脊髓损伤后运动功能,这表明其应用于人类可能有效。然而,实验性动物脊髓损伤不能准确地模拟临床患者所固有的异质性,动物的脊髓功能的各个方面也不足够经得住客观的评估。

  为此,英国剑桥大学Nicolas Granger等学者进行了一项研究旨在明确明确是否存在一种实验室有效的干预措施来改善实验性脊髓损伤,以便为临床患者提供足够的益处。研究结果表明自体嗅粘膜细胞移植可改善脊髓受损区域之间的联系,但并不能改善脊髓长束功能。

  该研究评估了一组脊髓损伤的狗体内来自嗅粘膜培养(平均约含50%的嗅鞘细胞)的细胞脊髓内移植的效果,而这种狗的模型可以准确模拟许多从实验室到临床转化中可能潜在的障碍。一组有严重慢性胸腰段脊髓损伤的狗(相当于人类损伤12个月后ASIA分级为“A”级)被纳入这项随机双盲临床试验中,这些狗被分配接受来自嗅黏膜培养的脊髓自体细胞注射或仅仅只注射细胞移植介质。

  实验结果发现接受嗅粘膜细胞移植的狗前后协调能力优于仅接受细胞移植介质的狗。但两组狗之间长束功能的评估没有显著差异。

  研究者总结道,椎管内的嗅粘膜细胞移植可改善脊髓受损区域之间的联系,即使是在慢性损伤的个体中。但并没有发现同时可改善长束功能的证据。



    

版权声明:
本网站所有内容来源注明为“梅斯医学”或“MedSci原创”的文字、图片和音视频资料,版权均属于梅斯医学所有。非经授权,任何媒体、网站或个人不得转载,授权转载时须注明来源为“梅斯医学”。其它来源的文章系转载文章,或“梅斯号”自媒体发布的文章,仅系出于传递更多信息之目的,本站仅负责审核内容合规,其内容不代表本站立场,本站不负责内容的准确性和版权。如果存在侵权、或不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
在此留言
评论区 (3)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=2040687, encodeId=a241204068e05, content=<a href='/topic/show?id=5887461103d' target=_blank style='color:#2F92EE;'>#实验性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46110, encryptionId=5887461103d, topicName=实验性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3c5e117, createdName=lujian, createdTime=Wed Aug 07 05:02:00 CST 2013, time=2013-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1690932, encodeId=fe1d1690932cc, content=<a href='/topic/show?id=7adce62603e' target=_blank style='color:#2F92EE;'>#粘膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76260, encryptionId=7adce62603e, topicName=粘膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Aug 13 01:02:00 CST 2013, time=2013-08-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1396731, encodeId=46c21396e3164, content=<a href='/topic/show?id=8bee565436d' target=_blank style='color:#2F92EE;'>#损伤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56543, encryptionId=8bee565436d, topicName=损伤)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=智者为医08, createdTime=Fri Dec 21 04:02:00 CST 2012, time=2012-12-21, status=1, ipAttribution=)]
    2013-08-07 lujian
  2. [GetPortalCommentsPageByObjectIdResponse(id=2040687, encodeId=a241204068e05, content=<a href='/topic/show?id=5887461103d' target=_blank style='color:#2F92EE;'>#实验性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46110, encryptionId=5887461103d, topicName=实验性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3c5e117, createdName=lujian, createdTime=Wed Aug 07 05:02:00 CST 2013, time=2013-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1690932, encodeId=fe1d1690932cc, content=<a href='/topic/show?id=7adce62603e' target=_blank style='color:#2F92EE;'>#粘膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76260, encryptionId=7adce62603e, topicName=粘膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Aug 13 01:02:00 CST 2013, time=2013-08-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1396731, encodeId=46c21396e3164, content=<a href='/topic/show?id=8bee565436d' target=_blank style='color:#2F92EE;'>#损伤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56543, encryptionId=8bee565436d, topicName=损伤)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=智者为医08, createdTime=Fri Dec 21 04:02:00 CST 2012, time=2012-12-21, status=1, ipAttribution=)]
    2013-08-13 hb2008ye
  3. [GetPortalCommentsPageByObjectIdResponse(id=2040687, encodeId=a241204068e05, content=<a href='/topic/show?id=5887461103d' target=_blank style='color:#2F92EE;'>#实验性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46110, encryptionId=5887461103d, topicName=实验性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3c5e117, createdName=lujian, createdTime=Wed Aug 07 05:02:00 CST 2013, time=2013-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1690932, encodeId=fe1d1690932cc, content=<a href='/topic/show?id=7adce62603e' target=_blank style='color:#2F92EE;'>#粘膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76260, encryptionId=7adce62603e, topicName=粘膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Tue Aug 13 01:02:00 CST 2013, time=2013-08-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1396731, encodeId=46c21396e3164, content=<a href='/topic/show?id=8bee565436d' target=_blank style='color:#2F92EE;'>#损伤#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56543, encryptionId=8bee565436d, topicName=损伤)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4dfa37, createdName=智者为医08, createdTime=Fri Dec 21 04:02:00 CST 2012, time=2012-12-21, status=1, ipAttribution=)]

相关资讯

FDA批准首例治疗瘫痪的细胞移植疗法临床试验

       脊髓损伤常导致瘫痪。据估计,美国境内约有近600万人受困于各种形式的瘫痪,而其中1275000人有永久性的脊髓损伤。        现如今却仍没有能治愈瘫痪相关脊髓损伤的医疗方法。FDA对“探索治愈瘫痪的迈阿密项目(The Miami Project to Cure Paralysis)”在人试验的