Telocytes in human heart valves.

Telocytes in human heart valves.
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人类心脏瓣膜中的特洛细胞

DOI:
10.1111/jcmm.12285
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发表时间:
2014-05
影响因子:
5.3
通讯作者:
Kong X
Kong X
中科院分区:
医学2区
文献类型:
--
作者:
Yang Y;Sun W;Wu SM;Xiao J;Kong X

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瓣膜间质细胞(VIC)负责维持瓣膜的结构完整性和动态行为。端粒细胞(TCs)是一种特殊类型的间质细胞,最近由Popescu的研究小组在心外膜、心肌和心内膜中发现(请访问www.telcytes.com)。TCS的存在已被证实存在于心房、心室和许多其他组织和器官中,但尚未在心脏瓣膜中发现。我们用透射电子显微镜和免疫荧光方法(CD34和c-Kit或波形蛋白或PDGFR-β双标)为人心脏瓣膜,包括二尖瓣、三尖瓣和主动脉瓣中存在TC提供证据。TCs在心脏瓣膜尖部和底部均有分布,在二尖瓣、三尖瓣和主动脉瓣中密度相近,为27-28个/mm2。由于TCs参与了再生或修复的生物学过程,因此TCS在瓣膜损伤后重建正常结构和功能的尝试中的作用仍有待确定,特别是在TCS和推测的干细胞(祖细胞)之间发现了一个复杂的连接。
Valve interstitial cells (VICs) are responsible for maintaining the structural integrity and dynamic behaviour of the valve. Telocytes (TCs), a peculiar type of interstitial cells, have been recently identified by Popescu's group in epicardium, myocardium and endocardium (visit www.telocytes.com). The presence of TCs has been identified in atria, ventricles and many other tissues and organ, but not yet in heart valves. We used transmission electron microscopy and immunofluorescence methods (double labelling for CD34 and c‐kit, or vimentin, or PDGF Receptor‐β) to provide evidence for the existence of TCs in human heart valves, including mitral valve, tricuspid valve and aortic valve. TCs are found in both apex and base of heart valves, with a similar density of 27–28 cells/mm2 in mitral valve, tricuspid valve and aortic valve. Since TCs are known for the participation in regeneration or repair biological processes, it remains to be determined how TCs contributes to the valve attempts to re‐establish normal structure and function following injury, especially a complex junction was found between TCs and a putative stem (progenitor) cell.
DOI: 10.1111/jcmm.12149
发表时间: 2013-11
影响因子: 5.3
作者:
Chen X;Zheng Y;Manole CG;Wang X;Wang Q
通讯作者: Wang Q
DOI: 10.1111/jcmm.12111
发表时间: 2013-08
影响因子: 5.3
作者:
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DOI: 10.1111/j.1582-4934.2010.01207.x
发表时间: 2011-01
影响因子: 5.3
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Cantarero Carmona I;Luesma Bartolomé MJ;Junquera Escribano C
通讯作者: Junquera Escribano C
DOI: 10.1111/j.1582-4934.2012.01580.x
发表时间: 2012-07
影响因子: 5.3
作者:
Ceafalan L;Gherghiceanu M;Popescu LM;Simionescu O
通讯作者: Simionescu O