Aging Dis:牙髓干细胞具有保持牙周组织再生的特性

2019-09-03 不详 网络

由于具有优异的治疗潜力,间充质干细胞(MSCs)在全世界的研究人员中越来越受欢迎,用于组织工程,以及炎症相关和年龄相关疾病的治疗。然而,由于对组织的生理功能维持和疾病治疗的不利影响,MSCs对传代的衰老限制了它们的临床应用。炎性微环境是MSC衰老的关键因素之一,导致再生效率低。因此,对细胞衰老具有高抗性的MSC将有益于组织再生。为此,我们分析了培养期间和炎症期间不同类型干细胞的衰老特性,包括牙髓干

由于具有优异的治疗潜力,间充质干细胞(MSCs)在全世界的研究人员中越来越受欢迎,用于组织工程,以及炎症相关和年龄相关疾病的治疗。然而,由于对组织的生理功能维持和疾病治疗的不利影响,MSCs对传代的衰老限制了它们的临床应用。炎性微环境是MSC衰老的关键因素之一,导致再生效率低。因此,对细胞衰老具有高抗性的MSC将有益于组织再生。为此,我们分析了培养期间和炎症期间不同类型干细胞的衰老特性,包括牙髓干细胞(DPSCs),牙周韧带干细胞(PDLSCs),骨髓间充质干细胞(BMMSCs)和脂肪衍生干细胞(ADSCs)。

结果显示,与第3代至第6代培养的非牙齿MSC相比,DPSC具有更高的增殖率,更低的细胞衰老和增强的成骨维持。与细胞凋亡,细胞周期和细胞蛋白质代谢过程(有助于细胞自我更新能力和代谢过程)相关的基因的表达谱在第3代DPSC和BMMSC之间显著不同。此外,DPSCs在对脂多糖诱导的细胞凋亡和衰老的抗性方面优于BMMSCs,在体外具有增强的成骨作用,并且在体内微型猪牙周炎模型中注射后表现出改善的牙周再生。

总体而言,本研究表明DPSC对传代培养和炎症诱导的衰老具有优异的抗性,并且对于具有炎症的组织工程而言将是合适的干细胞。

原始出处:

Ma L, Hu J, et al., Maintained Properties of Aged Dental Pulp Stem Cells for Superior Periodontal Tissue Regeneration. Aging Dis. 2019 Aug 1;10(4):793-806. doi: 10.14336/AD.2018.0729. eCollection 2019 Aug.

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    2020-06-28 jxrzshh
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    2019-09-06 独孤立克

    干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦

    0

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  6. [GetPortalCommentsPageByObjectIdResponse(id=1669796, encodeId=d7f11669e965b, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, 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=Sun Jun 28 06:13:00 CST 2020, time=2020-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2013073, encodeId=f47d20130e3cd, content=<a href='/topic/show?id=7d69598468' target=_blank style='color:#2F92EE;'>#Dis#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5984, encryptionId=7d69598468, topicName=Dis)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Thu May 14 20:13:00 CST 2020, time=2020-05-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1969718, encodeId=77c01969e1804, content=<a href='/topic/show?id=641e6e5300d' target=_blank style='color:#2F92EE;'>#牙周组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67530, encryptionId=641e6e5300d, topicName=牙周组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=58df296, createdName=shock_melon, createdTime=Sat Jan 25 13:13:00 CST 2020, time=2020-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025329, encodeId=3bb51025329b8, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Fri Sep 06 23:13:00 CST 2019, time=2019-09-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1451178, encodeId=da5b14511e8ee, content=<a href='/topic/show?id=f0476e49582' target=_blank style='color:#2F92EE;'>#牙周#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67495, encryptionId=f0476e49582, topicName=牙周)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Sep 05 14:13:00 CST 2019, time=2019-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1544907, encodeId=e2f3154490e87, content=<a href='/topic/show?id=f5576e67147' target=_blank style='color:#2F92EE;'>#牙髓干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67671, encryptionId=f5576e67147, topicName=牙髓干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=841913671773, createdName=ms6519009802973839, createdTime=Thu Sep 05 14:13:00 CST 2019, time=2019-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1591997, encodeId=0089159199eff, content=<a href='/topic/show?id=595ce765983' target=_blank style='color:#2F92EE;'>#组织再生#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77659, encryptionId=595ce765983, topicName=组织再生)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11e818060478, createdName=sunyl13, createdTime=Thu Sep 05 14:13:00 CST 2019, time=2019-09-05, status=1, ipAttribution=)]
  7. [GetPortalCommentsPageByObjectIdResponse(id=1669796, encodeId=d7f11669e965b, content=<a href='/topic/show?id=c7ca6e660ab' target=_blank style='color:#2F92EE;'>#牙髓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, 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=Sun Jun 28 06:13:00 CST 2020, time=2020-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2013073, encodeId=f47d20130e3cd, content=<a href='/topic/show?id=7d69598468' target=_blank style='color:#2F92EE;'>#Dis#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5984, encryptionId=7d69598468, topicName=Dis)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c689267, createdName=cmj8wellington, createdTime=Thu May 14 20:13:00 CST 2020, time=2020-05-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1969718, encodeId=77c01969e1804, content=<a href='/topic/show?id=641e6e5300d' target=_blank style='color:#2F92EE;'>#牙周组织#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67530, encryptionId=641e6e5300d, topicName=牙周组织)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=58df296, createdName=shock_melon, createdTime=Sat Jan 25 13:13:00 CST 2020, time=2020-01-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1025329, encodeId=3bb51025329b8, content=干细胞是热点,但是进入临床仍然需要时间和临床疗效验证哦, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=独孤立克, createdTime=Fri Sep 06 23:13:00 CST 2019, time=2019-09-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1451178, encodeId=da5b14511e8ee, content=<a href='/topic/show?id=f0476e49582' target=_blank style='color:#2F92EE;'>#牙周#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67495, encryptionId=f0476e49582, topicName=牙周)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Thu Sep 05 14:13:00 CST 2019, time=2019-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1544907, encodeId=e2f3154490e87, content=<a href='/topic/show?id=f5576e67147' target=_blank style='color:#2F92EE;'>#牙髓干细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67671, encryptionId=f5576e67147, topicName=牙髓干细胞)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=841913671773, createdName=ms6519009802973839, createdTime=Thu Sep 05 14:13:00 CST 2019, time=2019-09-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1591997, encodeId=0089159199eff, content=<a href='/topic/show?id=595ce765983' target=_blank style='color:#2F92EE;'>#组织再生#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77659, encryptionId=595ce765983, topicName=组织再生)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11e818060478, createdName=sunyl13, createdTime=Thu Sep 05 14:13:00 CST 2019, time=2019-09-05, status=1, ipAttribution=)]