Epidermal Stem Cells in the Skin

January 2008 in “ Chinese bulletin of Life sciences ”

Yanding Zhang

epidermal stem cells hair follicle regeneration interfollicular epidermis sebaceous glands progenitor cells multipotent cells hair growth cycle hair follicle bulge stem cells

TLDR Epidermal stem cells help renew skin and regenerate hair follicles.

The document discussed the role of epidermal stem cells in maintaining skin homeostasis and hair follicle regeneration. It highlighted that adult skin constantly renews itself, with stem cells in the epidermis playing a crucial role in this process. The epidermis is composed of interfollicular epidermis, hair follicles, and sebaceous glands, each containing progenitor or multipotent cells that activate during injury or the hair growth cycle. The article summarized the understanding of these stem cells, including evidence of progenitor cells in the interfollicular epidermis, their self-renewal capabilities in vitro, and the characteristics and gene expression of hair follicle bulge stem cells.

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