July 2025 in “Journal of Investigative Dermatology” Alopecia areata involves complex immune cell interactions, especially between CD8+ T cells and macrophages, which could help develop new treatments.
October 1982 in “American Journal of Nursing” Wound healing is a complex process involving different cells and stages, leading to scar tissue formation and strength increase over time.
6 citations
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May 2003 in “PubMed” This study found that DNA is present at low levels in human hair shafts, with higher amounts near the root, and that its levels decrease after surfactant washing and colorant treatments.
37 citations
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November 2003 in “Veterinary pathology” This study showed that in C3H/HeJ mice, focal follicular inflammation starts before overt hair loss, with inflammation severity possibly reaching a threshold causing hair follicle dystrophy prior to visible hair loss.
146 citations
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May 2002 in “The American journal of pathology” This study found that cathepsin L deficiency in mice led to significant abnormalities in hair follicle development and cycling, including disrupted hair shaft outgrowth and premature hair growth phase entry.