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Updated: Jul 6, 2025

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耐火性脱发区带有模仿额头纤维化脱发的单一毛发:一个前性观察性研究

Rui Qiao1, Jiaping Zhu1, Yi Liu2

  • 1Department of Dermatopathology, Hospital for Skin Diseases and Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, Jiangsu, China.

International journal of dermatology
|December 30, 2023
PubMed
概括

有一种独特的脱发性脱发症 (AA) 变体呈现出单一的毛发,模仿额头纤维化脱发症 (FFA). 组织病理学揭示了增加的端原卵泡,这表明这种脱发状况有着明显的病理基础.

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Multipotency and Niche of Bulge Stem Cell01:06

Multipotency and Niche of Bulge Stem Cell

A hair follicle or HF is a small part of the skin that produces the hair shaft. Paul Gerson Unna was the first to observe a bulge in the human hair follicle's outer root sheath (ORS). The bulge is present between the sebaceous gland and the arrector pili muscle and is the niche for hair follicle stem cells (HFSCs). The bulge is also a niche for melanocyte stem cells, and their loss results in graying of hair. The HFSCs express Sox9 and Lhx2, which help them maintain stemness and prevent...
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