Telocytes in human oesophagus.

Telocytes in human oesophagus.
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DOI:
10.1111/jcmm.12149
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发表时间:
2013-11
影响因子:
5.3
通讯作者:
Wang Q
Wang Q
中科院分区:
医学2区
文献类型:
--
作者:
Chen X;Zheng Y;Manole CG;Wang X;Wang Q

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端细胞(Telocytes,TC)是一种新型的间质细胞,广泛存在于人和人的多种器官和组织中。在这项研究中,我们表明,在人类食管中,具有典型特征的TC在粘膜固有层,以及在肌肉层的细胞的存在。我们使用透射电镜(TEM),免疫组化(IHC)和原代细胞培养。人食管TC呈现具有2-3个非常长的端足(Tps)的小细胞体。TPS由薄节(足突)和厚节(足突)交替组成,并具有垂直的空间排列。Tps与其他邻近细胞(如淋巴细胞、巨噬细胞)建立紧密接触(“基质突触”)。原代培养上清中VEGF和EGF的含量随培养时间的延长而增加。总之,我们的研究表明,在食管水平(粘膜,粘膜下层和肌肉层)的典型TC的存在,并建议他们在组织修复的可能作用。
Telocytes (TCs), a new type of interstitial cells, were identified in many different organs and tissues of mammalians and humans. In this study, we show the presence, in human oesophagus, of cells having the typical features of TCs in lamina propria of the mucosa, as well as in muscular layers. We used transmission electron microscopy (TEM), immunohistochemistry (IHC) and primary cell culture. Human oesophageal TCs present a small cell body with 2–3 very long Telopodes (Tps). Tps consist of an alternation of thin segments (podomers) and thick segments (podoms) and have a labyrinthine spatial arrangement. Tps establish close contacts (‘stromal synapses’) with other neighbouring cells (e.g. lymphocytes, macrophages). The ELISA testing of the supernatant of primary culture of TCs indicated that the concentrations of VEGF and EGF increased progressively. In conclusion, our study shows the existence of typical TCs at the level of oesophagus (mucosa, submucosa and muscular layer) and suggests their possible role in tissue repair.
DOI: 10.1007/s00441-010-1095-0
发表时间: 2011-02
影响因子: 3.6
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发表时间: 2011-12
影响因子: 5.3
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