Cell motion predicts human epidermal stemness.

Cell motion predicts human epidermal stemness.
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DOI:
10.1083/jcb.201409024
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发表时间:
2015-04-27
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Barrandon Y
Barrandon Y
中科院分区:
其他
文献类型:
--
作者:
Nanba D;Toki F;Tate S;Imai M;Matsushita N;Shiraishi K;Sayama K;Toki H;Higashiyama S;Barrandon Y

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角质形成细胞干细胞集落可以通过分析细胞运动来识别,这是一种新兴的干细胞特性。基于图像的培养干细胞识别及其增殖能力的非侵入性评估推进了细胞治疗和干细胞研究。在这里,我们证明,人类角质形成细胞干细胞可以通过分析细胞运动过程中,他们的培养在原位识别。模拟实验表明,培养的人克隆性角质形成细胞的克隆类型可以有效地确定通过分析早期细胞运动。图像分析实验表明,角质形成细胞干细胞确实显示出独特的旋转运动,早在两细胞阶段集落就可以识别。我们还证明了α6整合素是旋转和集体细胞运动所必需的。我们的实验第一次提供了细胞运动和表皮干性相关的有力证据。我们的结论是,早期识别的人角质形成细胞干细胞的细胞运动的图像分析是一个有效的参数培养的移植角质形成细胞的质量控制。
Keratinocyte stem cell colonies can be identified by analyzing cell motion, an emergent stem cell property. Image-based identification of cultured stem cells and noninvasive evaluation of their proliferative capacity advance cell therapy and stem cell research. Here we demonstrate that human keratinocyte stem cells can be identified in situ by analyzing cell motion during their cultivation. Modeling experiments suggested that the clonal type of cultured human clonogenic keratinocytes can be efficiently determined by analysis of early cell movement. Image analysis experiments demonstrated that keratinocyte stem cells indeed display a unique rotational movement that can be identified as early as the two-cell stage colony. We also demonstrate that α6 integrin is required for both rotational and collective cell motion. Our experiments provide, for the first time, strong evidence that cell motion and epidermal stemness are linked. We conclude that early identification of human keratinocyte stem cells by image analysis of cell movement is a valid parameter for quality control of cultured keratinocytes for transplantation.
DOI: 10.1073/pnas.82.16.5390
发表时间: 1985-01-01
影响因子: 11.1
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