Mater Sci Eng C Mater Biol Appl:丝蛋白整合水凝胶可用于软组织工程

2019-05-19 不详 网络

承重软组织的再生推动了生物活性水凝胶的研究和开发。将水凝胶应用于承重组织所面临的主要挑战是开发具有适当生物学功能和生物力学稳定性的水凝胶。在本文中,我们描述了一种新合成的基于甲基丙烯酸明胶(GelMA)和丝素蛋白(SF)的细胞负载互穿聚合物网络(IPN)水凝胶,其通过连续超声和光交联形成。实验结果表明,SF-GelMA IPN水凝胶具有高溶胀率,优异的机械性能,抗胶原酶酶促降解和多孔内部微观结构。

承重软组织的再生推动了生物活性水凝胶的研究和开发。将水凝胶应用于承重组织所面临的主要挑战是开发具有适当生物学功能和生物力学稳定性的水凝胶。在本文中,我们描述了一种新合成的基于甲基丙烯酸明胶(GelMA)和丝素蛋白(SF)的细胞负载互穿聚合物网络(IPN)水凝胶,其通过连续超声和光交联形成。

实验结果表明,SF-GelMA IPN水凝胶具有高溶胀率,优异的机械性能,抗胶原酶酶促降解和多孔内部微观结构。此外,可以通过改变预聚物组分来改变这些性质。如通过荧光素二乙酸盐/碘化丙啶(FDA/PI)染色和细胞计数试剂盒-8(CCK-8)分析所证明的,MC3T3-E1前成骨细胞附着并随后在IPN水凝胶上增殖。此外,MC3T3-E1前成骨细胞的包封和随后的细胞活力测定证明,整个IPN形成过程与细胞相容,并且可以通过调节GelMA浓度来调节包封细胞的生长,强调其适用于各种多样性承重软组织工程。

总体而言,本研究介绍了一类机械稳健且可调节的载有细胞的IPN水凝胶,它具有作为承重软组织工程支架的巨大潜力。

原始出处:

Xiao W, Li J, et al., Cell-laden interpenetrating network hydrogels formed from methacrylated gelatin and silk fibroin via a combination of sonication and photocrosslinking approaches. Mater Sci Eng C Mater Biol Appl. 2019 Jun;99:57-67. doi: 10.1016/j.msec.2019.01.079. Epub 2019 Jan 19.

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    2019-08-30 sunylz
  2. [GetPortalCommentsPageByObjectIdResponse(id=1918694, encodeId=fbfb1918694d7, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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 Aug 30 06:55:00 CST 2019, time=2019-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2081558, encodeId=ff27208155884, content=<a href='/topic/show?id=57406e8506' target=_blank style='color:#2F92EE;'>#Eng#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6785, encryptionId=57406e8506, topicName=Eng)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3516494, createdName=spoonycyy, createdTime=Fri Apr 03 10:55:00 CST 2020, time=2020-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1767653, encodeId=e7d31e6765333, content=<a href='/topic/show?id=64f5343e2f' target=_blank style='color:#2F92EE;'>#Biol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=18, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3437, encryptionId=64f5343e2f, topicName=Biol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Tue Nov 12 19:55:00 CST 2019, time=2019-11-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1308054, encodeId=509a130805423, content=<a href='/topic/show?id=edd364149bc' target=_blank style='color:#2F92EE;'>#水凝胶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64149, encryptionId=edd364149bc, topicName=水凝胶)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=47c5349, createdName=tastas, createdTime=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1417198, encodeId=19b3141e198fe, 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=33, 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=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1420433, encodeId=46f014204339e, content=<a href='/topic/show?id=2221935219e' target=_blank style='color:#2F92EE;'>#软组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93521, encryptionId=2221935219e, topicName=软组织)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=52913579937, createdName=qilu_qi, createdTime=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1461025, encodeId=0081146102522, content=<a href='/topic/show?id=de4331310a4' target=_blank style='color:#2F92EE;'>#凝胶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31310, encryptionId=de4331310a4, topicName=凝胶)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e09e6383467, createdName=lishizhe, createdTime=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=)]
    2020-04-03 spoonycyy
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    2019-11-12 柳叶一刀
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    2019-05-21 tastas
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1918694, encodeId=fbfb1918694d7, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, 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 Aug 30 06:55:00 CST 2019, time=2019-08-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2081558, encodeId=ff27208155884, content=<a href='/topic/show?id=57406e8506' target=_blank style='color:#2F92EE;'>#Eng#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6785, encryptionId=57406e8506, topicName=Eng)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3516494, createdName=spoonycyy, createdTime=Fri Apr 03 10:55:00 CST 2020, time=2020-04-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1767653, encodeId=e7d31e6765333, content=<a href='/topic/show?id=64f5343e2f' target=_blank style='color:#2F92EE;'>#Biol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=18, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3437, encryptionId=64f5343e2f, topicName=Biol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Tue Nov 12 19:55:00 CST 2019, time=2019-11-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1308054, encodeId=509a130805423, content=<a href='/topic/show?id=edd364149bc' target=_blank style='color:#2F92EE;'>#水凝胶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64149, encryptionId=edd364149bc, topicName=水凝胶)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=47c5349, createdName=tastas, createdTime=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1417198, encodeId=19b3141e198fe, 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=33, 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=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1420433, encodeId=46f014204339e, content=<a href='/topic/show?id=2221935219e' target=_blank style='color:#2F92EE;'>#软组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=21, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93521, encryptionId=2221935219e, topicName=软组织)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=52913579937, createdName=qilu_qi, createdTime=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1461025, encodeId=0081146102522, content=<a href='/topic/show?id=de4331310a4' target=_blank style='color:#2F92EE;'>#凝胶#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31310, encryptionId=de4331310a4, topicName=凝胶)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e09e6383467, createdName=lishizhe, createdTime=Tue May 21 05:55:00 CST 2019, time=2019-05-21, status=1, ipAttribution=)]
    2019-05-21 qilu_qi
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    2019-05-21 lishizhe