Stem Cells Int:羟基磷灰石纳米粒的体外摄取及其对人骨髓间充质干细胞成骨分化的影响

2018-07-19 MedSci MedSci原创

在过去的几十年中,基于羟基磷灰石纳米颗粒(HA NP)已广泛应用于生物医学领域。然而,HANPs的生物相容性受暴露剂量、粒度和与细胞接触的方式的影响。本研究旨在评估不同大小的HANPs对人骨髓间充质干细胞(hMSCs)成骨的影响。研究人员合成了三种不同大小的HANPs(分别为~50,~100和~150nm),以研究其细胞毒性,细胞摄取和对hMSCs成骨分化的影响。结果显示,三种HANPs对hMSC

在过去的几十年中,基于羟基磷灰石纳米颗粒(HA NP)已广泛应用于生物医学领域。然而,HANPs的生物相容性受暴露剂量、粒度和与细胞接触的方式的影响。本研究旨在评估不同大小的HANPs对人骨髓间充质干细胞(hMSCs)成骨的影响。

研究人员合成了三种不同大小的HANPs(分别为~50,~100和~150nm),以研究其细胞毒性,细胞摄取和对hMSCs成骨分化的影响。

结果显示,三种HANPs对hMSCs均呈剂量依赖性细胞毒性。HANPs可以摄取到hMSCs中。使用碱性磷酸酶(ALP)活性测量,ALP染色,骨桥蛋白(OPN)的免疫荧光染色和实时聚合酶链反应(RT-PCR)评估hMSCs的成骨分化。

结果显示,三种HANPs都可促进hMSCs向成骨细胞谱系的分化。其中,较小尺寸的HANPs(~50和~100nm)似乎更有利于hMSCs的成骨分化。

原始出处:

Yang X, Li Y, et al., In Vitro Uptake of Hydroxyapatite Nanoparticles and Their Effect on Osteogenic Differentiation of Human Mesenchymal Stem Cells. Stem Cells Int. 2018 Jun 19;2018:2036176. doi: 10.1155/2018/2036176. eCollection 2018.

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  5. 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  6. 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attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83eqySEUYKeYDjXJMYMrtscBNkpAnLfQZgDcdkEratcJPqS7ARJOXqllZQhCSFicErlBFbIywuoiaP0LQ/132, createdBy=012d2500132, createdName=ms5880526374914242, createdTime=Sat Jul 21 09:13:00 CST 2018, time=2018-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351769, encodeId=dfee1351e693b, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, 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 Jul 21 09:13:00 CST 2018, time=2018-07-21, status=1, ipAttribution=)]
    2018-11-22 HinsMax
  7. 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createdTime=Tue Nov 27 18:13:00 CST 2018, time=2018-11-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961021, encodeId=5a77196102161, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, 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=Fri Nov 30 19:13:00 CST 2018, time=2018-11-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337468, encodeId=e088133e4682c, 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=33, 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 Jul 21 09:13:00 CST 2018, time=2018-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351769, encodeId=dfee1351e693b, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, 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 Jul 21 09:13:00 CST 2018, time=2018-07-21, status=1, ipAttribution=)]
  8. [GetPortalCommentsPageByObjectIdResponse(id=1794936, encodeId=c48d1e9493616, content=<a href='/topic/show?id=46e716e82a6' target=_blank style='color:#2F92EE;'>#stem cells#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16782, encryptionId=46e716e82a6, topicName=stem cells)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3883266, createdName=yykkxiaodou, createdTime=Wed Oct 10 07:13:00 CST 2018, time=2018-10-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1772968, encodeId=be651e7296869, content=<a href='/topic/show?id=89f3e742947' target=_blank style='color:#2F92EE;'>#纳米粒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77429, encryptionId=89f3e742947, topicName=纳米粒)], attachment=null, authenticateStatus=null, createdAvatar=null, 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createdTime=Tue Nov 27 18:13:00 CST 2018, time=2018-11-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1961021, encodeId=5a77196102161, content=<a href='/topic/show?id=dbe6445416' target=_blank style='color:#2F92EE;'>#CEL#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, 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=Fri Nov 30 19:13:00 CST 2018, time=2018-11-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337468, encodeId=e088133e4682c, 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=33, 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 Jul 21 09:13:00 CST 2018, time=2018-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1351769, encodeId=dfee1351e693b, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, 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 Jul 21 09:13:00 CST 2018, time=2018-07-21, status=1, ipAttribution=)]
    2018-11-30 维他命
  9. 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  10. 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