Biomed Mater:氧化石墨烯-PMMA复合物骨水泥可有效促进成骨

2019-08-29 不详 网络

该研究评估了氧化石墨烯-聚(甲基丙烯酸甲酯)骨水泥复合材料在人骨髓间充质干细胞(hBMSCs)的细胞增殖,GO掺入对成骨细胞的基因水平的合成代谢和分解代谢作用方面的作用。由于聚合物基质中可变的GO浓度(GO1:0.024wt%和GO2:0.048wt%),进一步评估表面润湿性和粗糙度。测试制备的样品以观察细胞增殖以及计算GO对骨形态发生蛋白(BMP)基因表达的有效性。通过碱性磷酸酶的活性和运行相关

该研究评估了氧化石墨烯-聚(甲基丙烯酸甲酯)骨水泥复合材料在人骨髓间充质干细胞(hBMSCs)的细胞增殖,GO掺入对成骨细胞的基因水平的合成代谢和分解代谢作用方面的作用。

由于聚合物基质中可变的GO浓度(GO1:0.024wt%和GO2:0.048wt%),进一步评估表面润湿性和粗糙度。测试制备的样品以观察细胞增殖以及计算GO对骨形态发生蛋白(BMP)基因表达的有效性。通过碱性磷酸酶的活性和运行相关转录因子2(RUNX2)的基因表达观察到早期成骨。此外,通过检查胶原蛋白1型α-1(Col1A1)基因来确定骨强化。

通过将GO填料添加到树脂基质中,增加了基底材料的表面粗糙度。结果发现,在十天期间,与对照和GO1相比,GO2上hBMSC的增殖明显更高。另外,细胞外基质的定量比色矿化显示GO2中成骨细胞沉积更多的磷酸钙。然而,在第14天的茜素红染色分析显示在GO2的中心区域中定性矿化为深色素沉着。

总之,该研究结果表明,改性的氧化石墨烯-PMMA复合物作为骨水泥似乎有望增强骨组织的生物活性。

原始出处:

Mirza EH, Khan AA, et al., Characterization of osteogenic cells grown over modified graphene-oxide-biostable polymers. Biomed Mater. 2019 Aug 13. doi: 10.1088/1748-605X/ab3ab2. 

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    2019-12-18 sunylz
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    2019-08-31 zhaojie88
  6. [GetPortalCommentsPageByObjectIdResponse(id=1651613, encodeId=6dc616516137d, content=<a href='/topic/show?id=6e78e32573c' target=_blank style='color:#2F92EE;'>#石墨烯#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73257, encryptionId=6e78e32573c, topicName=石墨烯)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8db924213398, createdName=yangjxjc, createdTime=Thu May 28 07:44:00 CST 2020, time=2020-05-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1910642, encodeId=0c8a1910642f9, content=<a href='/topic/show?id=b45b426195e' target=_blank style='color:#2F92EE;'>#复合物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42619, encryptionId=b45b426195e, topicName=复合物)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ad7f282, createdName=yang0210, createdTime=Wed Dec 04 15:44:00 CST 2019, time=2019-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1707009, encodeId=ce0f1e07009b1, content=<a href='/topic/show?id=d2773359191' target=_blank style='color:#2F92EE;'>#化石#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33591, encryptionId=d2773359191, topicName=化石)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4d531331396, createdName=ms7899726347904398, createdTime=Sat Jun 27 13:44:00 CST 2020, time=2020-06-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1918831, encodeId=3f0c1918831c0, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Wed Dec 18 05:44:00 CST 2019, time=2019-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1352202, encodeId=93721352202fa, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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 Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1370340, encodeId=9cf713e0340c0, content=<a href='/topic/show?id=b103101e18e7' target=_blank style='color:#2F92EE;'>#骨水泥#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101718, encryptionId=b103101e18e7, topicName=骨水泥)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sat Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1609969, encodeId=451e160996912, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Sat Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372017, encodeId=0b3d3e2017c7, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160304/IMG56D94856B1B5D6405.jpg, createdBy=27931687771, createdName=一个字-牛, createdTime=Fri Aug 30 18:19:23 CST 2019, time=2019-08-30, status=1, ipAttribution=)]
    2019-08-31 zhs3882
  7. [GetPortalCommentsPageByObjectIdResponse(id=1651613, encodeId=6dc616516137d, content=<a href='/topic/show?id=6e78e32573c' target=_blank style='color:#2F92EE;'>#石墨烯#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73257, encryptionId=6e78e32573c, topicName=石墨烯)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8db924213398, createdName=yangjxjc, createdTime=Thu May 28 07:44:00 CST 2020, time=2020-05-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1910642, encodeId=0c8a1910642f9, content=<a href='/topic/show?id=b45b426195e' target=_blank style='color:#2F92EE;'>#复合物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42619, encryptionId=b45b426195e, topicName=复合物)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ad7f282, createdName=yang0210, createdTime=Wed Dec 04 15:44:00 CST 2019, time=2019-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1707009, encodeId=ce0f1e07009b1, content=<a href='/topic/show?id=d2773359191' target=_blank style='color:#2F92EE;'>#化石#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33591, encryptionId=d2773359191, topicName=化石)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4d531331396, createdName=ms7899726347904398, createdTime=Sat Jun 27 13:44:00 CST 2020, time=2020-06-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1918831, encodeId=3f0c1918831c0, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Wed Dec 18 05:44:00 CST 2019, time=2019-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1352202, encodeId=93721352202fa, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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 Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1370340, encodeId=9cf713e0340c0, content=<a href='/topic/show?id=b103101e18e7' target=_blank style='color:#2F92EE;'>#骨水泥#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101718, encryptionId=b103101e18e7, topicName=骨水泥)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sat Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1609969, encodeId=451e160996912, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Sat Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372017, encodeId=0b3d3e2017c7, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160304/IMG56D94856B1B5D6405.jpg, createdBy=27931687771, createdName=一个字-牛, createdTime=Fri Aug 30 18:19:23 CST 2019, time=2019-08-30, status=1, ipAttribution=)]
  8. [GetPortalCommentsPageByObjectIdResponse(id=1651613, encodeId=6dc616516137d, content=<a href='/topic/show?id=6e78e32573c' target=_blank style='color:#2F92EE;'>#石墨烯#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73257, encryptionId=6e78e32573c, topicName=石墨烯)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8db924213398, createdName=yangjxjc, createdTime=Thu May 28 07:44:00 CST 2020, time=2020-05-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1910642, encodeId=0c8a1910642f9, content=<a href='/topic/show?id=b45b426195e' target=_blank style='color:#2F92EE;'>#复合物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42619, encryptionId=b45b426195e, topicName=复合物)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ad7f282, createdName=yang0210, createdTime=Wed Dec 04 15:44:00 CST 2019, time=2019-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1707009, encodeId=ce0f1e07009b1, content=<a href='/topic/show?id=d2773359191' target=_blank style='color:#2F92EE;'>#化石#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33591, encryptionId=d2773359191, topicName=化石)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f4d531331396, createdName=ms7899726347904398, createdTime=Sat Jun 27 13:44:00 CST 2020, time=2020-06-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1918831, encodeId=3f0c1918831c0, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Wed Dec 18 05:44:00 CST 2019, time=2019-12-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1352202, encodeId=93721352202fa, content=<a href='/topic/show?id=e95954093cd' target=_blank style='color:#2F92EE;'>#成骨#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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 Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1370340, encodeId=9cf713e0340c0, content=<a href='/topic/show?id=b103101e18e7' target=_blank style='color:#2F92EE;'>#骨水泥#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101718, encryptionId=b103101e18e7, topicName=骨水泥)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b952312, createdName=zhs3882, createdTime=Sat Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1609969, encodeId=451e160996912, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11459, encryptionId=eb6b1145939, topicName=Med)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=552a19396740, createdName=ms3994565386320060, createdTime=Sat Aug 31 11:44:00 CST 2019, time=2019-08-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372017, encodeId=0b3d3e2017c7, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160304/IMG56D94856B1B5D6405.jpg, createdBy=27931687771, createdName=一个字-牛, createdTime=Fri Aug 30 18:19:23 CST 2019, time=2019-08-30, status=1, ipAttribution=)]
    2019-08-30 一个字-牛

    学习了谢谢分享

    0