2 citations,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
January 2017 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Mice with a changed Hr gene lose and regrow hair due to changes in the gene's activity.
December 2002 in “Operative Techniques in Otolaryngology-Head and Neck Surgery” Hair loss from trauma can be managed using scalp expansion, flaps, and hair transplants to improve appearance and well-being.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
75 citations,
January 1995 in “American journal of primatology” Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
152 citations,
January 2004 in “Current anthropology” Humans lost body hair relatively recently in evolution.
6 citations,
July 1994 in “Journal of Dermatological Science” Introducing the rat OTC gene normalized hair growth in SPF-ASH mice.
3 citations,
July 2012 in “Sokoto Journal of Veterinary Sciences” As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.
35 citations,
June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
6 citations,
October 2012 in “Journal of Heredity” The Itpr3 gene causes a specific hair pattern in mice.
1 citations,
December 2017 in “Research for Rural Development/Research for Rural Development (Online)” Neutered ferrets often develop hyperadrenocorticism, with symptoms like hair loss and lethargy, and androstenedione is a key indicator for diagnosis.
1 citations,
January 2017 in “Evolutionary studies” Different human traits like skin color and hair type vary between populations due to genetic adaptations to the environment.
1 citations,
February 1976 in “JAMA” Haloperidol effectively treated hemiballismus, but spontaneous improvement wasn't ruled out; rapid weight loss can cause hair loss with good regrowth chances.
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.
170 citations,
November 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin can heal wounds without hair follicle stem cells, but it takes a bit longer.
116 citations,
August 2010 in “Nature” Scientists turned rat thymus cells into stem cells that can help repair skin and hair.
111 citations,
June 2002 in “The EMBO Journal” Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.
98 citations,
December 2008 in “Journal of Investigative Dermatology” Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.
97 citations,
September 2006 in “Pharmaceutical Research” No treatment fully prevents hair loss from chemotherapy yet.
67 citations,
August 2007 in “American Journal of Pathology” Overexpressing the mineralocorticoid receptor in mouse skin causes skin thinning, early skin barrier development, eye issues, and hair loss.
51 citations,
December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
42 citations,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
41 citations,
February 2001 in “Current pharmaceutical design” Current and future treatments for alopecia areata focus on immunosuppression, immunomodulation, and protecting hair follicles.
40 citations,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
31 citations,
November 2015 in “PloS one” Reducing Tyrosinase prevents mature color pigment cells from forming in mouse hair.
31 citations,
September 2012 in “Journal of biological chemistry/The Journal of biological chemistry” The right amount of retinoic acid is essential for normal hair growth and development.
27 citations,
April 2020 in “Molecular Biology and Evolution” Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.
24 citations,
August 2018 in “Journal of Ayurvedic and herbal medicine” Hibiscus rosa-sinensis may help treat various health issues and promote hair growth, but more research is needed for safety.
23 citations,
May 2020 in “Cell Death and Disease” Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.