A functional model for adult stem cells in epithelial tissues

A functional model for adult stem cells in epithelial tissues
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上皮组织中成体干细胞的功能模型

DOI:
--
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发表时间:
2009
影响因子:
2.9
通讯作者:
J. W. Von den Hoff
J. W. Von den Hoff
中科院分区:
医学3区
文献类型:
--
作者:
J. Verstappen;C. Katsaros;R. Torensma;J. W. Von den Hoff

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组织的更新、再生和修复贯穿一生。干细胞是这些过程中的关键角色。干细胞群在不同组织甚至相关组织中的特征和生态位差异很大。在这篇综述中,比较了干细胞在皮肤上皮、角膜上皮、肺上皮和肠上皮中的分化和干细胞对组织维持和再生的贡献。基于干细胞亚群在特定组织中的效力,提出了成体干细胞的层次模型。效力是根据组织的维持、修复和再生来定义的。小生境为维持特定的干细胞效力提供线索。
Tissue turnover, regeneration, and repair take place throughout life. Stem cells are key players in these processes. The characteristics and niches of the stem cell populations in different tissues, and even in related tissues, vary extensively. In this review, stem cell differentiation and stem cell contribution to tissue maintenance and regeneration is compared in the epithelia of the skin, the cornea, the lung, and the intestine. A hierarchical model for adult stem cells is proposed, based on the potency of stem cell subpopulations in a specific tissue. The potency is defined in terms of the maintenance, the repair, and the regeneration of the tissue. The niche supplies cues to maintain the specific stem cell potency.
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影响因子: 4.4
作者:
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