Merkel cells and neurons keep in touch.

Merkel cells and neurons keep in touch.
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DOI:
10.1016/j.tcb.2014.10.003
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发表时间:
2015-02
影响因子:
19
通讯作者:
Patapoutian, Ardem
Patapoutian, Ardem
中科院分区:
生物学1区
文献类型:
--
作者:
Woo, Seung-Hyun;Lumpkin, Ellen A.;Patapoutian, Ardem

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默克尔细胞-神经突复合体是一种独特的脊椎动物触觉感受器,在皮肤中包含两种不同的细胞类型。它存在于触摸敏感的皮肤区域是在世纪前认识到的,但感觉传导中每种细胞类型的功能一直不清楚。最近的三项研究表明,默克尔细胞是机械敏感细胞,其通过Piezo 2在触摸转导中起作用。一项研究得出结论,默克尔细胞,而不是感觉神经元的机械转导的主要网站,而其他两项研究报告,默克尔细胞和神经元编码的机械输入。总之,这些研究解决了关于默克尔细胞是否是机械感觉细胞的长期争论,并使未来研究这些皮肤细胞如何与神经元沟通成为可能。
The Merkel cell-neurite complex is a unique vertebrate touch receptor comprising two distinct cell types in the skin. Its presence in touch-sensitive skin areas was recognized more than a century ago, but the functions of each cell type in sensory transduction have been unclear. Three recent studies demonstrate that Merkel cells are mechanosensitive cells that function in touch transduction via Piezo2. One study concludes that Merkel cells rather than sensory neurons are principal sites of mechanotransduction, whereas the other two studies report that both Merkel cells and neurons encode mechanical inputs. Together, these studies settle a longstanding debate on whether Merkel cells are mechanosensory cells, and enable future investigations of how these skin cells communicate with neurons.
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