TLDR Certain mouse strains develop a skin condition similar to a human hair loss disease due to genetic defects.
The study investigated primary follicular dystrophy with scarring dermatitis in C57BL/6 mouse substrains, finding that it closely resembled central centrifugal cicatricial alopecia (CCCA) in humans. Researchers observed similar clinical and histological features, including follicular dystrophy, inflammation, and granuloma formation. The study involved 200 C57BL/6J mice and identified potential links to vitamin A metabolism defects, particularly involving the ADH4 and DHRS9 enzymes. The findings suggested that these mice could serve as a valuable model for studying CCCA in humans and developing therapeutic strategies, although further research was needed to confirm the genetic and metabolic mechanisms involved.
48 citations,
March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoic acid production and signaling in hair follicles are regulated by location and timing, affecting hair growth and cycling.
58 citations,
November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
29 citations,
July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
80 citations,
March 2000 in “Journal of cutaneous pathology” The VVG stain effectively differentiates scar tissue from normal skin and helps classify types of permanent alopecia.
38 citations,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
178 citations,
June 1994 in “Journal of Investigative Dermatology” Alopecia areata in these mice is inherited, more common in young females, and can be treated with triamcinolone acetonide.
22 citations,
January 2018 in “Experimental Dermatology” The meeting focused on understanding, diagnosing, and finding treatments for irreversible hair loss diseases.
7 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” T-cell reconstitution after thymus transplantation can cause hair whitening and loss.
22 citations,
October 2012 in “Journal of Investigative Dermatology” Altered retinoid metabolism in cicatricial alopecia suggests a balanced vitamin A diet may prevent the condition.
53 citations,
January 2013 in “Journal of toxicologic pathology” The project created a standardized system for classifying skin lesions in lab rats and mice.
6 citations,
April 2017 in “Experimental dermatology” CD80CD86 deficiency causes hair loss by disrupting regulatory T cells.