441 citations
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May 1996 in “Journal of Cell Science” Keratin 19 helps identify skin stem cells, with its presence varying by body location, age, and culture stage.
61 citations
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November 2004 in “Annals of the Academy of Medicine Singapore” Hair follicle stem cells are mainly in the bulge region and can help repair skin and form hair and glands, but more research is needed to fully understand them.
2 citations
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October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.
28 citations
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September 1995 in “Biochemistry and Cell Biology” Merkel cells are more densely found in hairless skin areas like palms and soles.
96 citations
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April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.