39 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” FGF and EGF are crucial for hair follicle development and growth.
20 citations,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
16 citations,
July 1992 in “The journal of experimental zoology/Journal of experimental zoology” Adrenal glands delay the start of winter fur growth in mink.
15 citations,
May 2011 in “Veterinary Dermatology” Vitamin A might be a safe extra treatment for dogs with sebaceous adenitis, but more research is needed to prove its effectiveness.
14 citations,
March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
11 citations,
November 2021 in “JBMR plus” The vitamin D receptor can act without its usual activating molecule, affecting hair growth and skin cancer, but its full range of actions is not well understood.
11 citations,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
10 citations,
May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
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.
6 citations,
June 2016 in “The anatomical record” Dogs have varying numbers of touch-sensitive Merkel cells in different skin areas, with most in the oral mucosa and facial skin, unrelated to age, sex, breed, or color.
6 citations,
February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
2 citations,
March 2017 in “Veterinary dermatology” Herbal paste and oil extract might improve dog hair quality by retaining lipids.
2 citations,
December 2013 in “Veterinary dermatology” Three dogs with a rare skin condition improved with treatment.
2 citations,
April 2002 in “Animal Science/Animal science” Melatonin treatment speeds up fur maturation and changes the hair growth cycle in young chinchillas.
1 citations,
August 2023 in “Animals” Chimp Haven uses a special system to check and improve the well-being of their chimpanzees, which could help other animal sanctuaries too.
1 citations,
November 1998 in “Journal of Small Animal Practice” The dog had a Sertoli cell tumor, which was successfully removed with surgery.
December 2023 in “International journal of high dilution research” Melatonin and Lissotriton improved hair quality and increased activity in mice.
October 2023 in “JOJ dermatology & cosmetics” Thiocyanate helps hair growth and can be supplemented in diet or applied topically.
January 2021 in “Research journal for veterinary practitioners” The document does not determine if essential fatty acids improve rabbit skin health.
March 2020 in “The Thai Journal of Veterinary Medicine” A Thai Bangkaew dog with diabetes and pancreatic issues improved with insulin, enzymes, and vitamins.
May 2019 in “Small Animal Dermatology” The dog had sebaceous adenitis, treated with ciclosporin, leading to some hair regrowth.
Some goats get rare skin diseases from not enough vitamin E, selenium, or zinc, but they're usually still healthy.
August 2015 in “Advances in Small Animal Medicine and Surgery” Low-level laser therapy may help regrow hair in dogs with non-inflammatory hair loss.
120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
69 citations,
December 2015 in “BMC plant biology” Three genes in Arabidopsis are important for plant growth and development by affecting sugar attachment to proteins.
34 citations,
June 2005 in “Developmental dynamics” Runx3 helps determine hair shape.
Bovines can have rare inherited skin diseases with specific symptoms like hair loss, fragile skin, and abnormal porphyrin buildup.
November 2005 in “Nature Reviews Molecular Cell Biology” The protein hairless is important for hair regrowth because it stops the protein wise from blocking the hair cycle.
October 2005 in “Nature reviews. Molecular cell biology (Print)” Hairless protein is key for hair growth, cell differences cause gene expression variation, and the N-end rule pathway senses nitric oxide for protein breakdown.
375 citations,
February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.