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首页> 外文期刊>Journal of Cellular Physiology >Calcium ion propagation in cultured keratinocytes and other cells in skin in response to hydraulic pressure stimulation.
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Calcium ion propagation in cultured keratinocytes and other cells in skin in response to hydraulic pressure stimulation.

机译:在培养的角质细胞钙离子传播和其他皮肤细胞,以应对液压压力刺激。

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摘要

We have previously suggested that a variety of environmental factors might be first sensed by epidermal keratinocytes, which represent the frontier of the body. To further examine this idea, in the present study, we examined the intracellular calcium responses of cultured keratinocytes to external hydraulic pressure. First, we compared the responses of undifferentiated and differentiated keratinocytes with those of fibroblasts, vascular endothelial cells (VEC), and lymphatic endothelial cells. Elevation of intracellular calcium was observed after application of pressure to keratinocytes, fibroblasts, and VEC. The calcium propagation extended over a larger area and continued for a longer period of time in differentiated keratinocytes, as compared with the other cells. The response of the keratinocytes was dramatically reduced when the cells were incubated in medium without calcium. Application of a non-selective transient receptor potential (TRP) channel blocker also attenuated the calcium response. These results suggest that differentiated keratinocytes are sensitive to external pressure and that TRP might be involved in the mechanism of their response.
机译:我们曾提出,各种各样的环境因素可能是第一次感觉到表皮角化细胞,这代表了身体的前沿。的想法,在目前的研究中,我们调查了细胞内钙响应的讲究的角化细胞外部液压。首先,我们的反应进行比较未分化和差异化的角化细胞与成纤维细胞,血管内皮细胞(VEC)和淋巴内皮细胞。观察细胞内钙的高程应用程序的压力角化细胞后,成纤维细胞和矢量。在更大的区域,持续了一个扩展长时间在分化角化细胞与其他细胞相比。角化细胞的反应当细胞明显减少在孵化中缺少钙。的瞬时受体电位(TRP)钙通道阻滞剂也减弱响应。差异化的角化细胞敏感外部压力,TRP可能参与其中在他们的反应机制。

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