J Cell Biochem:胞外补充骨桥蛋白和骨钙素对干细胞增殖、成骨分化和血管生成特性的协同作用

2018-11-01 MedSci MedSci原创

目前,全世界对功能性骨移植的需求高,特别是由于预期寿命的延长。骨诱导成分应纳入功能性骨移植物、加速细胞募集、细胞增殖、血管生成和缺损部位的新骨形成。据报道,非胶原骨基质蛋白,特别是骨桥蛋白(OPN)和骨钙蛋白(OC)可调节一些生理过程,如细胞迁移和骨矿化。然而,OPN和OC对细胞增殖、成骨分化、矿化和血管生成的影响仍未确定。因此,我们评估了OPN和OC补充对人骨髓间充质干/基质细胞(hBM MSC

目前,全世界对功能性骨移植的需求高,特别是由于预期寿命的延长。骨诱导成分应纳入功能性骨移植物、加速细胞募集、细胞增殖、血管生成和缺损部位的新骨形成。据报道,非胶原骨基质蛋白,特别是骨桥蛋白(OPN)和骨钙蛋白(OC)可调节一些生理过程,如细胞迁移和骨矿化。然而,OPN和OC对细胞增殖、成骨分化、矿化和血管生成的影响仍未确定。因此,我们评估了OPN和OC补充对人骨髓间充质干/基质细胞(hBM MSC)增殖和成骨分化的外源性影响。

结果显示,OPN剂量依赖性地增加hBM MSC的增殖,并通过增加体外毛细血管样管形成来改善人脐静脉内皮细胞(HUVEC)的血管生成特性。另一方面,OC增强了hBM MSCs向成骨细胞的分化,并证明了细胞外钙水平和碱性磷酸酶活性的增加,以及成熟成骨标志物骨桥蛋白和骨钙蛋白的更高信使RNA水平。在临界尺寸缺陷兔长骨模型中体内评估OC/OPN增强的支架显示没有感染,同时形成新骨。

总之,这些结果表明OC和OPN通过诱导干细胞增殖、成骨和通过增强血管生成特性来刺激骨再生。在该研究中观察到的OC和OPN的协同效应可以通过靶向不同的重要细胞过程而用作骨再生疗法的有吸引力的策略。

原始出处:

Carvalho MS, Cabral JM, et al., Synergistic effect of extracellularly supplemented osteopontin and osteocalcin on stem cell proliferation, osteogenic differentiation, and angiogenic properties. J Cell Biochem. 2018 Oct 25. doi: 10.1002/jcb.27948.

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    2019-05-01 维他命
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    2019-05-14 sunylz
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1821355, encodeId=1ae7182135544, content=<a href='/topic/show?id=428a101612e7' target=_blank style='color:#2F92EE;'>#骨分化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101612, encryptionId=428a101612e7, topicName=骨分化)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Mon Mar 18 07:59:00 CST 2019, time=2019-03-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1870966, encodeId=ca4618e096699, content=<a href='/topic/show?id=fd764459a8' target=_blank style='color:#2F92EE;'>#Cell#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4459, encryptionId=fd764459a8, topicName=Cell)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=524d95, createdName=zhaozhouchifen, createdTime=Wed Oct 16 18:59:00 CST 2019, time=2019-10-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961239, encodeId=d1d519612397e, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4454, encryptionId=dbe6445416, topicName=CEL)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3ff68, createdName=维他命, createdTime=Wed May 01 07:59:00 CST 2019, time=2019-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1918367, encodeId=e64a191836ebd, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=18, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Tue May 14 14:59:00 CST 2019, time=2019-05-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337500, encodeId=85c9133e500bd, content=<a href='/topic/show?id=863f5409610' target=_blank style='color:#2F92EE;'>#成骨分化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54096, encryptionId=863f5409610, topicName=成骨分化)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83eqySEUYKeYDjXJMYMrtscBNkpAnLfQZgDcdkEratcJPqS7ARJOXqllZQhCSFicErlBFbIywuoiaP0LQ/132, createdBy=012d2500132, createdName=ms5880526374914242, createdTime=Sat Nov 03 09:59:00 CST 2018, time=2018-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351877, encodeId=fd6613518e74c, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54093, encryptionId=e95954093cd, topicName=成骨)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Sat Nov 03 09:59:00 CST 2018, time=2018-11-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1540932, encodeId=969d15409327c, content=<a href='/topic/show?id=ba2ee78630b' target=_blank style='color:#2F92EE;'>#细胞增殖#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77863, encryptionId=ba2ee78630b, topicName=细胞增殖)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=hb2008ye, createdTime=Sat Nov 03 09:59:00 CST 2018, time=2018-11-03, status=1, ipAttribution=)]
    2018-11-03 zhaojie88
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