17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
86 citations
,
August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
6 citations
,
January 1994 in “PubMed” The molecular mechanisms controlling hair growth phases are not fully understood yet.
2 citations
,
March 2022 in “Research Square (Research Square)” Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
81 citations
,
September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
11 citations
,
May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” 7 citations
,
June 2012 in “Journal of dairy science” Bovine milk fats applied to mouse skin can promote hair growth similar to known hair growth treatments.
25 citations
,
March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.
118 citations
,
January 1992 in “Experientia”
2 citations
,
August 2020 in “Natural Product Communications” A mix of Platycladus orientalis leaf extract and alpha-terpineol helps mice grow hair by increasing growth factors and cell growth.
1 citations
,
January 2006 in “Elsevier eBooks” The conclusion is that different types of hair loss in dogs and cats can be cosmetic or serious, and affected animals should not be bred.
December 2025 in “Frontiers in Veterinary Science” Key genes like KRT27 and IGF-2 are crucial for hair follicle development in Qianhua Mutton Merino sheep.
38 citations
,
August 1973 in “Journal of Investigative Dermatology”
January 2022 in “Figshare” Melatonin affects specific gene patterns and biological processes in goat hair growth.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
49 citations
,
July 2019 in “British Journal of Dermatology” Wnt signaling is important for the change from the resting phase to the growth phase in human hair cycles.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
72 citations
,
January 1983 in “The Anatomical Record” Epidermal growth factor delays skin and hair development in mice.
March 2025 in “International Journal of Molecular Sciences” PLIN2 affects hair growth in cashmere goats, potentially improving cashmere quality.
2 citations
,
February 2025 in “PLoS ONE” Key proteins influence wool quality by affecting hair follicle development in sheep.
158 citations
,
December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
January 2001 in “Nishi Nihon hifuka” The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
A 5% pomegranate peel water extract optimally enhances hair growth.
January 2014 in “China Animal Husbandry & Veterinary Medicine” EGF, IGF-I, and IGF-IR genes are crucial for mink skin and hair growth.
The FOS gene helps hair growth in Tan sheep.
25 citations
,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
December 2025 in “Animals” TGFBR1 slows down cell growth in fine-wool sheep hair follicles.
7 citations
,
June 2022 in “Frontiers in Veterinary Science” Researchers found genes linked to hair growth cycles in Inner Mongolia cashmere goats, which could help understand and treat hair loss.
4 citations
,
February 2018 in “Journal of Investigative Dermatology” The document concludes that a protein involved in hair growth may link to baldness and that more research is needed on its role in hair loss and skin cancer treatments.