Int J Mol Sci:双向流生物反应器可用于骨再生医学

2019-10-01 不详 网络

培养环境对于干细胞的培养起着重要作用。静态或动态培养保留了影响人间充质干细胞(hMSCs)增殖和分化的差异电位。在这项研究中,将hMSCs接种在纤维盘上,并在具有成骨培养基的双向流动生物反应器或旋转烧瓶生物反应器中进行培养。证实了hMSCs的增殖,成骨分化和矿化的细胞外基质沉积。结果表明,旋转瓶在前两周提高了细胞活力,而双向流反应器在整个四周的培养期内提高了hMSC的细胞增殖。尽管流动反应器具有较

培养环境对于干细胞的培养起着重要作用。静态或动态培养保留了影响人间充质干细胞(hMSCs)增殖和分化的差异电位。在这项研究中,将hMSCs接种在纤维盘上,并在具有成骨培养基的双向流动生物反应器或旋转烧瓶生物反应器中进行培养。证实了hMSCs的增殖,成骨分化和矿化的细胞外基质沉积。

结果表明,旋转瓶在前两周提高了细胞活力,而双向流反应器在整个四周的培养期内提高了hMSC的细胞增殖。尽管流动反应器具有较高的细胞数,但是注意到较低的乳糖/葡萄糖比,这表明双向流动生物反应器为培养的细胞/盘构建体提供了更好的氧可及性。培养基中钙离子的变化,细胞/盘结构中Ca2 +的沉积以及碱性磷酸酯/骨钙素的活性表明hMSCs的静态培养比其他两个生物反应器更快地使细胞矿化,但没有细胞增殖。否则,使用流动反应器将细胞均匀分布,产生大量细胞外基质。

总之,该研究结果表明,静态和动态培养在hMSCs中对成骨过程的调节不同。双向流生物反应器可用于大规模生产和培养hMSC,用于骨再生医学。

原始出处:

Tsai HH, Yang KC, et al., The Effects of Different Dynamic Culture Systems on Cell Proliferation and Osteogenic Differentiation in Human Mesenchymal Stem Cells. Int J Mol Sci. 2019 Aug 17;20(16). pii: E4024. doi: 10.3390/ijms20164024.

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    2019-10-03 lsj630
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  3. [GetPortalCommentsPageByObjectIdResponse(id=1472207, encodeId=aece14e220722, content=<a href='/topic/show?id=d068101610b9' target=_blank style='color:#2F92EE;'>#骨再生#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=101610, encryptionId=d068101610b9, topicName=骨再生)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a4cf7208806, createdName=lsj630, createdTime=Thu Oct 03 12:42:00 CST 2019, time=2019-10-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=373432, encodeId=422c3e343275, content=好, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6d551998554, createdName=1e1c07bdm01(暂无匿称), createdTime=Wed Oct 02 05:02:02 CST 2019, time=2019-10-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=373430, encodeId=af793e343069, content=学习了很有用不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib3IzoRn621JdKCFUI4XvNELcibocrAVU6aUzEVDSaf3rYH08PUYUiagGqxAEhj8g9WqqNvD1CupIpCrmnR2OrqHZh/0, createdBy=7f181365728, createdName=飛歌, createdTime=Wed Oct 02 00:24:10 CST 2019, time=2019-10-02, status=1, ipAttribution=)]
    2019-10-02 飛歌

    学习了很有用不错

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