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Circulation:单细胞RNA测序揭示器官特异性内皮细胞的不同特征

2020-11-11 星云 MedSci原创

内皮细胞(EC)根据其所在的血管和组织表现出较大的功能异质性。虽然这些功能差异可能被印在了转录组中,但维持EC异质性的通路和网络尚未完全明确。

内皮细胞(EC)根据其所在的血管和组织表现出较大的功能异质性。虽然这些功能差异可能被印在了转录组中,但维持EC异质性的通路和网络尚未完全明确。

为了研究EC特异性的转录组基础,Paik等分析了来自Tabra Muris集团的小鼠组织特异性EC的单细胞RNA测序数据。

12种器官内皮细胞的单细胞转录组

经分析发现,通过单细胞RNA测序和组织块RNA测序产生的组织特异性EC转录组数据之间有很强的相关性,验证了该方法的可靠性。采用基于GRAPH的聚类算法,研究人员发现某些组织特定的EC明显根据器官而聚类(如,肝、脑),而其他组织来源的EC的转录组有明显的重叠(如,脂肪、心)。

Lars2在雄性EC中特异性表达

此外,研究人员还明确了可能与维持其特征的组织特异性EC和信号通路的新型标记。性别是内皮细胞转录组中异质性的重要来源,研究人员发现Lars2基因在雄性小鼠EC中高度富集。小鼠心脏和肺EC的标志物在人类胎儿心脏和肺EC中保守。通过分析配体和受体表达模式,研究人员还确定了组织特异性EC和其他细胞类型之间潜在的血管分泌相互作用。

总之,Paik等人通过对单细胞RNA测序数据进行分析揭示了维持组织特异性EC特征的转录网络,并发现了组织特异性EC之间的血管分泌和功能性相互作用。

原始出处:

David T. Paik, et al. Single-Cell RNA Sequencing Unveils Unique Transcriptomic Signatures of Organ-Specific Endothelial Cells. Circulation. 2020;142:1848–1862

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    2020-11-11 青忧禾支

    学习了

    0

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    2020-11-11 Psycho.Dr Du

    新技术的发展对促进医学进步真的是事半功倍呀!#医学技术#

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1899438, encodeId=509a18994388a, content=<a href='/topic/show?id=6f746e94170' target=_blank style='color:#2F92EE;'>#特异性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67941, encryptionId=6f746e94170, topicName=特异性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=dc7a157, createdName=jinweidong, createdTime=Fri Feb 05 18:55:51 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=898518, encodeId=8a1689851828, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=77, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=59415433265, createdName=青忧禾支, createdTime=Wed Nov 11 17:13:45 CST 2020, time=2020-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1418924, encodeId=0f8214189244a, content=<a href='/topic/show?id=abde36296f5' target=_blank style='color:#2F92EE;'>#单细胞RNA测序#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=36296, encryptionId=abde36296f5, topicName=单细胞RNA测序)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=eda53444564, createdName=wetgdt, createdTime=Fri Nov 13 07:55:51 CST 2020, time=2020-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1516822, encodeId=c6c71516822ae, content=<a href='/topic/show?id=eb451556289' target=_blank style='color:#2F92EE;'>#RNA测序#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15562, encryptionId=eb451556289, topicName=RNA测序)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3b3411016716, createdName=ms24272190615788285182, createdTime=Fri Nov 13 07:55:51 CST 2020, time=2020-11-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=898500, encodeId=19248985001c, content=新技术的发展对促进医学进步真的是事半功倍呀!<a href='/topic/show?id=5a7110401833' target=_blank style='color:#2F92EE;'>#医学技术#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104018, encryptionId=5a7110401833, topicName=医学技术)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210607/9f00a0de660e4b36b77a9a5f7620d6bf/98c22b17ddf7446fa7b9a618fabcb9f7.jpg, createdBy=a8fb2299762, createdName=Psycho.Dr Du, createdTime=Wed Nov 11 17:00:36 CST 2020, time=2020-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=898496, encodeId=1b5f898496e6, content=内皮细胞(EC)根据其所在的血管和组织表现出较大的功能异质性。虽然这些功能差异可能被印在了转录组中,但维持EC异质性的通路和网络尚未完全明确。, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b58d5402080, createdName=咻凡, createdTime=Wed Nov 11 16:59:31 CST 2020, time=2020-11-11, status=1, ipAttribution=)]
    2020-11-11 咻凡

    内皮细胞(EC)根据其所在的血管和组织表现出较大的功能异质性。虽然这些功能差异可能被印在了转录组中,但维持EC异质性的通路和网络尚未完全明确。

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