Nature biotechnology:利用多能干细胞治疗骨关节炎

2015-05-14 佚名 生物谷

透明关节软骨沿滑膜关节分布,是由关节软骨细胞形成。在一些由慢性疲劳导致的关节疾病中,关节软骨细胞发生增生和凋亡,会形成骨刺。由于损伤的关节软骨细胞不具有再生能力,因此替代策略是治疗晚期骨关节炎唯一有效方法。   近日,来自加拿大的科学家在国际学术期刊nature biotechnology在线发表了一项关于利用人类多能干细胞产生关节软骨细胞的最新研究进展。   通过

透明关节软骨沿滑膜关节分布,是由关节软骨细胞形成。在一些由慢性疲劳导致的关节疾病中,关节软骨细胞发生增生和凋亡,会形成骨刺。由于损伤的关节软骨细胞不具有再生能力,因此替代策略是治疗晚期骨关节炎唯一有效方法。
 
近日,来自加拿大的科学家在国际学术期刊nature biotechnology在线发表了一项关于利用人类多能干细胞产生关节软骨细胞的最新研究进展。
 
通过软骨生成细胞或软骨组织移植替换损伤的关节软骨是治疗退行性关节疾病的一条潜在途径。之前许多研究已经表明诱导人类多能干细胞向软骨生成细胞分化具有可行性,但形成的软骨细胞能否在体内形成稳定的关节软骨仍未可知。
 
在该项研究中,研究人员发现在人类多能干细胞形成的软骨生成祖细胞中激活TGFb能够有效促进关节软骨细胞发育,这种TGFb处理的细胞能够并在体外和免疫缺陷小鼠体内形成稳定的软骨组织。与此相比,BMP4能够促进软骨细胞发育,形成由肥大的软骨细胞组成的软骨组织,这类细胞会在体内起始软骨内骨化过程。
 
这项研究为有效并且可重复地产生关节软骨细胞提供了可依据的实验流程,利用这些软骨细胞可检测利用软骨细胞或组织移植修复损伤的关节软骨的可行性,并用于开发软骨退化和相关疾病模型,用于药物筛选,因此这项研究具有重要意义。

原始出处:

April M Craft, Jason S Rockel, Yulia Nartiss, Rita A Kandel, Benjamin A Alman & Gordon M Keller.Generation of articular chondrocytes from human pluripotent stem cells.Nature Biotechnology, May 11, 2015.doi:10.10.38/nbt.3210

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    2015-07-12 liye789132251
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    2016-04-02 lisa438
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    2016-03-16 shock_melon
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    2016-04-21 cathymary
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    2015-11-06 sunylz
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    2015-05-27 雨人

    看看有啥

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1880652, encodeId=57d3188065284, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sun Jul 12 19:12:00 CST 2015, time=2015-07-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2026499, encodeId=73b0202649962, content=<a href='/topic/show?id=e0b110159578' target=_blank style='color:#2F92EE;'>#骨关节#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101595, encryptionId=e0b110159578, topicName=骨关节)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=373b263, createdName=lisa438, createdTime=Sat Apr 02 21:12:00 CST 2016, time=2016-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1652132, encodeId=c5e41652132db, content=<a href='/topic/show?id=13d01e24509' target=_blank style='color:#2F92EE;'>#TEC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17245, encryptionId=13d01e24509, topicName=TEC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=852f24292001, createdName=shock_melon, createdTime=Wed Mar 16 20:12:00 CST 2016, time=2016-03-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1795580, encodeId=8fda1e9558069, content=<a href='/topic/show?id=87881e249e8' target=_blank style='color:#2F92EE;'>#Technology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17249, encryptionId=87881e249e8, topicName=Technology)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Wed Nov 18 09:12:00 CST 2015, time=2015-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1927625, encodeId=ae1f192e62579, content=<a href='/topic/show?id=a59234e3b4' target=_blank style='color:#2F92EE;'>#Biotech#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3473, encryptionId=a59234e3b4, topicName=Biotech)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=226a143, createdName=cathymary, createdTime=Thu Apr 21 06:12:00 CST 2016, time=2016-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917156, encodeId=bc6e191e15698, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Fri Nov 06 08:12:00 CST 2015, time=2015-11-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=25141, encodeId=73612514180, content=看看有啥, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0fb31625608, createdName=雨人, createdTime=Wed May 27 23:28:00 CST 2015, time=2015-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23944, encodeId=c1362394449, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Sun May 17 20:14:00 CST 2015, time=2015-05-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1265245, encodeId=068b126524540, content=<a href='/topic/show?id=57a53011364' target=_blank style='color:#2F92EE;'>#关节炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30113, encryptionId=57a53011364, topicName=关节炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f90281, createdName=lmm397, createdTime=Sat May 16 00:12:00 CST 2015, time=2015-05-16, status=1, ipAttribution=)]
    2015-05-17 huaxipanxing

    看看

    0

  9. [GetPortalCommentsPageByObjectIdResponse(id=1880652, encodeId=57d3188065284, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Sun Jul 12 19:12:00 CST 2015, time=2015-07-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2026499, encodeId=73b0202649962, content=<a href='/topic/show?id=e0b110159578' target=_blank style='color:#2F92EE;'>#骨关节#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101595, encryptionId=e0b110159578, topicName=骨关节)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=373b263, createdName=lisa438, createdTime=Sat Apr 02 21:12:00 CST 2016, time=2016-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1652132, encodeId=c5e41652132db, content=<a href='/topic/show?id=13d01e24509' target=_blank style='color:#2F92EE;'>#TEC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17245, encryptionId=13d01e24509, topicName=TEC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=852f24292001, createdName=shock_melon, createdTime=Wed Mar 16 20:12:00 CST 2016, time=2016-03-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1795580, encodeId=8fda1e9558069, content=<a href='/topic/show?id=87881e249e8' target=_blank style='color:#2F92EE;'>#Technology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17249, encryptionId=87881e249e8, topicName=Technology)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bcaa382, createdName=fzwish20000, createdTime=Wed Nov 18 09:12:00 CST 2015, time=2015-11-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1927625, encodeId=ae1f192e62579, content=<a href='/topic/show?id=a59234e3b4' target=_blank style='color:#2F92EE;'>#Biotech#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3473, encryptionId=a59234e3b4, topicName=Biotech)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=226a143, createdName=cathymary, createdTime=Thu Apr 21 06:12:00 CST 2016, time=2016-04-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917156, encodeId=bc6e191e15698, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Fri Nov 06 08:12:00 CST 2015, time=2015-11-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=25141, encodeId=73612514180, content=看看有啥, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0fb31625608, createdName=雨人, createdTime=Wed May 27 23:28:00 CST 2015, time=2015-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=23944, encodeId=c1362394449, content=看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ee0d1618732, createdName=huaxipanxing, createdTime=Sun May 17 20:14:00 CST 2015, time=2015-05-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1265245, encodeId=068b126524540, content=<a href='/topic/show?id=57a53011364' target=_blank style='color:#2F92EE;'>#关节炎#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=30113, encryptionId=57a53011364, topicName=关节炎)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f90281, createdName=lmm397, createdTime=Sat May 16 00:12:00 CST 2015, time=2015-05-16, status=1, ipAttribution=)]
    2015-05-16 lmm397

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