Tissue Eng Regen Med:3D打印掺杂Mg的β-TCP骨组织工程支架可促进血管及骨生成

2019-09-28 不详 网络

三维(3D)打印的骨组织工程支架已广泛用于研究和临床应用。β-TCP是一种通常用于骨骼组织工程中的生物材料,可以治疗骨骼缺损,并且其多功能性可以通过共掺杂不同的金属离子来实现。生物材料中的镁掺杂已显示可改变细胞的理化性质并增强成骨作用。使用低温3D打印技术和烧结,制造了一系列掺Mg的TCP支架。检查了多孔支架的特征,例如微观结构,化学组成,机械性能,表观孔隙率等。为了进一步研究镁离子在同时诱导成骨

三维(3D)打印的骨组织工程支架已广泛用于研究和临床应用。β-TCP是一种通常用于骨骼组织工程中的生物材料,可以治疗骨骼缺损,并且其多功能性可以通过共掺杂不同的金属离子来实现。生物材料中的镁掺杂已显示可改变细胞的理化性质并增强成骨作用。

使用低温3D打印技术和烧结,制造了一系列掺Mg的TCP支架。检查了多孔支架的特征,例如微观结构,化学组成,机械性能,表观孔隙率等。为了进一步研究镁离子在同时诱导成骨和血管生成中的作用,在支架提取物中培养了人骨髓间充质干细胞(hBMSC)和人脐静脉内皮细胞(HUVEC),以研究细胞增殖,存活力以及成骨和血管生成基因的表达。

结果表明,掺Mg的TCP支架具有设计精确,互连的多孔结构以及与天然松质骨相似的抗压强度的优点。hBMSC和HUVEC在一定量的Mg2 +中表现出高增殖率,细胞形态和生存能力。另外,该浓度的镁还可以增加成骨和血管生成生物标志物的表达水平。

综上所述,该研究结果表明,一定浓度的镁离子在新骨再生和重建中起重要作用。它可以作为一种简单有效的方法来增强生物陶瓷支架的成骨和血管生成,并支持生物材料和骨组织工程支架的开发。

原始出处:

Gu Y, Zhang J, et al., Three-dimensional Printed Mg-Doped β-TCP Bone Tissue Engineering Scaffolds: Effects of Magnesium Ion Concentration on Osteogenesis and Angiogenesis In Vitro. Tissue Eng Regen Med. 2019 Jun 17;16(4):415-429. doi: 10.1007/s13770-019-00192-0. eCollection 2019 Aug.

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    2020-01-11 spoonycyy
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    2020-02-26 xuyu
  5. [GetPortalCommentsPageByObjectIdResponse(id=2070095, encodeId=461220e00959e, content=<a href='/topic/show?id=9ced1018209a' target=_blank style='color:#2F92EE;'>#骨组织工程#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101820, encryptionId=9ced1018209a, topicName=骨组织工程)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1376173, createdName=linagood, createdTime=Mon Dec 02 10:42:00 CST 2019, time=2019-12-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2081570, encodeId=deb320815e0cd, content=<a href='/topic/show?id=57406e8506' target=_blank style='color:#2F92EE;'>#Eng#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6785, encryptionId=57406e8506, topicName=Eng)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3516494, createdName=spoonycyy, createdTime=Sat Jan 11 18:42:00 CST 2020, time=2020-01-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2076362, encodeId=d5f520e63624c, content=<a href='/topic/show?id=940410181964' target=_blank style='color:#2F92EE;'>#骨组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101819, encryptionId=940410181964, topicName=骨组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c192448, createdName=diushouji, createdTime=Mon Jun 29 13:42:00 CST 2020, time=2020-06-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1911389, encodeId=202f191138936, content=<a href='/topic/show?id=df471e4882e' target=_blank style='color:#2F92EE;'>#Tissue#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17488, encryptionId=df471e4882e, topicName=Tissue)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8f5b299, createdName=xuyu, createdTime=Wed Feb 26 17:42:00 CST 2020, time=2020-02-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1336135, encodeId=5f6a133613515, content=<a href='/topic/show?id=792612047e' target=_blank style='color:#2F92EE;'>#3D#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1204, encryptionId=792612047e, topicName=3D)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Mon Sep 30 13:42:00 CST 2019, time=2019-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1417203, encodeId=df2e141e203b5, content=<a href='/topic/show?id=8b72e769056' target=_blank style='color:#2F92EE;'>#组织工程#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77690, encryptionId=8b72e769056, topicName=组织工程)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c62f3243688, createdName=zhu_jun9838, createdTime=Mon Sep 30 13:42:00 CST 2019, time=2019-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1486580, encodeId=eece1486580dd, content=<a href='/topic/show?id=6d5f191e46b' target=_blank style='color:#2F92EE;'>#β-TCP#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=19174, encryptionId=6d5f191e46b, topicName=β-TCP)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=25078165150, createdName=showtest, createdTime=Mon Sep 30 13:42:00 CST 2019, time=2019-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1610002, encodeId=c6db161000273, content=<a href='/topic/show?id=eb6b1145939' target=_blank style='color:#2F92EE;'>#Med#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, 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=Mon Sep 30 13:42:00 CST 2019, time=2019-09-30, status=1, ipAttribution=)]
    2019-09-30 zhaojie88
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    2019-09-30 showtest
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