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J Endod:三维球形培养使牙髓细胞具有独特的多能潜力

2017-06-18 lishiting MedSci原创

间充质干细胞(MSCs)是典型的利用传统组织培养方法进行单层融合式的培养。然而,此种技术在体内微环境中会使干细胞不完全生长,最终导致细胞的干性丧失。三维(3D)球形培养是最广泛应用于体内微环境的3D培养技术之一。然而,经过三维球形培养的牙髓干细胞(DPSCs)的细胞干性和多向分化能力还未完全清楚。

间充质干细胞(MSCs)是典型的利用传统组织培养方法进行单层融合式的培养。然而,此种技术在体内微环境中会使干细胞不完全生长,最终导致细胞的干性丧失。三维(3D)球形培养是最广泛应用于体内微环境的3D培养技术之一。然而,经过三维球形培养的牙髓干细胞(DPSCs)的细胞干性和多向分化能力还未完全清楚。

研究将DPSCs在无血清培养基中分离培养,并检测其成球能力。多能转录因子的表达通过反转录定量聚合酶链式反应和Western blot进行检测。通过流式细胞仪检测MSC相关标记物的表达情况。多向分化能力通过碱性磷酸酶、茜素红S和油红O进行检测。裸鼠皮下埋植实验检测来源于DPSCs的球形细胞和单层融合细胞的体内矿化组织形成能力。

结果显示,DPSCs可以成球。与相应的单层融合培养的细胞相比较,成球的DPSC表现出不同的干细胞表型,它强烈表达多能转录因子,而MSC相关标志物表达降低。另外,成球DPSC体外多向分化能力明显增强,并且多向分化相关基因表达显著升高。此外,DPSC成球细胞与单层融合细胞相比,体内矿化组织形成能力明显增强。

结论:研究显示,在DPSCs中,成球细胞是一个独特的多能细胞群。DPSC成球为牙髓组织再生提供了一个前所未有的机遇。

原始出处:

Lee SH, Inaba A, et al. Three-dimensional Sphere-forming Cells Are Unique Multipotent Cell Population in Dental Pulp Cells. J Endod. 2017 Jun 9. pii: S0099-2399(17)30306-0. doi: 10.1016/j.joen.2017.03.016.

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    2017-07-05 jxrzshh
  2. [GetPortalCommentsPageByObjectIdResponse(id=1669583, encodeId=6c15166958316, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67660, encryptionId=c7ca6e660ab, topicName=牙髓)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5eeb26562774, createdName=jxrzshh, createdTime=Wed Jul 05 19:28:00 CST 2017, time=2017-07-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1724343, encodeId=62831e2434370, content=<a href='/topic/show?id=e1f56e68935' target=_blank style='color:#2F92EE;'>#牙髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67689, encryptionId=e1f56e68935, topicName=牙髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f2d33606535, createdName=mnda, createdTime=Wed Aug 09 02:28:00 CST 2017, time=2017-08-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=213011, encodeId=050821301170, content=感谢分享一下,, beContent=null, objectType=article, channel=null, level=null, likeNumber=1, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a161743757, createdName=zmjlilei, createdTime=Tue Jun 20 07:42:10 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1468171, encodeId=cbbd14681e1ce, content=<a href='/topic/show?id=71c810212946' target=_blank style='color:#2F92EE;'>#髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102129, encryptionId=71c810212946, topicName=髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69e46898758, createdName=chengjn, createdTime=Tue Jun 20 05:28:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212659, encodeId=cae2212659b7, content=感谢分享一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a161743757, createdName=zmjlilei, createdTime=Mon Jun 19 08:32:34 CST 2017, time=2017-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212400, encodeId=a57a212400f9, content=三维培养应该是干细胞的活力会进一步增加这是必然的, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Sun Jun 18 18:25:11 CST 2017, time=2017-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212373, encodeId=07282123e351, content=好文章就值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEJT6l93IMYI4yHbuQ6SeZ7HEkJw5o50qBMUibIGVDNqNvTr8ic1wUfHWIIiardvrMQOQRl3pbocQ7G4Q/0, createdBy=434d1527336, createdName=honghongwuwu, createdTime=Sun Jun 18 16:22:02 CST 2017, time=2017-06-18, status=1, ipAttribution=)]
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    2017-06-20 zmjlilei

    感谢分享一下,

    0

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    2017-06-20 chengjn
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    2017-06-19 zmjlilei

    感谢分享一下

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1669583, encodeId=6c15166958316, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67660, encryptionId=c7ca6e660ab, topicName=牙髓)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5eeb26562774, createdName=jxrzshh, createdTime=Wed Jul 05 19:28:00 CST 2017, time=2017-07-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1724343, encodeId=62831e2434370, content=<a href='/topic/show?id=e1f56e68935' target=_blank style='color:#2F92EE;'>#牙髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67689, encryptionId=e1f56e68935, topicName=牙髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f2d33606535, createdName=mnda, createdTime=Wed Aug 09 02:28:00 CST 2017, time=2017-08-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=213011, encodeId=050821301170, content=感谢分享一下,, beContent=null, objectType=article, channel=null, level=null, likeNumber=1, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a161743757, createdName=zmjlilei, createdTime=Tue Jun 20 07:42:10 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1468171, encodeId=cbbd14681e1ce, content=<a href='/topic/show?id=71c810212946' target=_blank style='color:#2F92EE;'>#髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102129, encryptionId=71c810212946, topicName=髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69e46898758, createdName=chengjn, createdTime=Tue Jun 20 05:28:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212659, encodeId=cae2212659b7, content=感谢分享一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a161743757, createdName=zmjlilei, createdTime=Mon Jun 19 08:32:34 CST 2017, time=2017-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212400, encodeId=a57a212400f9, content=三维培养应该是干细胞的活力会进一步增加这是必然的, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Sun Jun 18 18:25:11 CST 2017, time=2017-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212373, encodeId=07282123e351, content=好文章就值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEJT6l93IMYI4yHbuQ6SeZ7HEkJw5o50qBMUibIGVDNqNvTr8ic1wUfHWIIiardvrMQOQRl3pbocQ7G4Q/0, createdBy=434d1527336, createdName=honghongwuwu, createdTime=Sun Jun 18 16:22:02 CST 2017, time=2017-06-18, status=1, ipAttribution=)]
    2017-06-18 lovetcm

    三维培养应该是干细胞的活力会进一步增加这是必然的

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1669583, encodeId=6c15166958316, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67660, encryptionId=c7ca6e660ab, topicName=牙髓)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5eeb26562774, createdName=jxrzshh, createdTime=Wed Jul 05 19:28:00 CST 2017, time=2017-07-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1724343, encodeId=62831e2434370, content=<a href='/topic/show?id=e1f56e68935' target=_blank style='color:#2F92EE;'>#牙髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67689, encryptionId=e1f56e68935, topicName=牙髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7f2d33606535, createdName=mnda, createdTime=Wed Aug 09 02:28:00 CST 2017, time=2017-08-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=213011, encodeId=050821301170, content=感谢分享一下,, beContent=null, objectType=article, channel=null, level=null, likeNumber=1, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a161743757, createdName=zmjlilei, createdTime=Tue Jun 20 07:42:10 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1468171, encodeId=cbbd14681e1ce, content=<a href='/topic/show?id=71c810212946' target=_blank style='color:#2F92EE;'>#髓细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102129, encryptionId=71c810212946, topicName=髓细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=69e46898758, createdName=chengjn, createdTime=Tue Jun 20 05:28:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212659, encodeId=cae2212659b7, content=感谢分享一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=113, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a161743757, createdName=zmjlilei, createdTime=Mon Jun 19 08:32:34 CST 2017, time=2017-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212400, encodeId=a57a212400f9, content=三维培养应该是干细胞的活力会进一步增加这是必然的, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c4a5105539, createdName=lovetcm, createdTime=Sun Jun 18 18:25:11 CST 2017, time=2017-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212373, encodeId=07282123e351, content=好文章就值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/PiajxSqBRaEJT6l93IMYI4yHbuQ6SeZ7HEkJw5o50qBMUibIGVDNqNvTr8ic1wUfHWIIiardvrMQOQRl3pbocQ7G4Q/0, createdBy=434d1527336, createdName=honghongwuwu, createdTime=Sun Jun 18 16:22:02 CST 2017, time=2017-06-18, status=1, ipAttribution=)]
    2017-06-18 honghongwuwu

    好文章就值得拥有

    0

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