42 citations
,
February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
10 citations
,
November 2021 in “International journal of molecular sciences” Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.
39 citations
,
December 1998 in “Journal of Cell Science” The LEF-1 binding site enhances gene expression in hair follicles, with other proteins aiding specific regulation.
January 2012 in “Zhongguo shouyi xuebao” Sheep breeds show different keratin gene expression in the groin, linked to hair follicle density.
45 citations
,
June 1984 in “Journal of the American Veterinary Medical Association” Zinc supplements quickly improved health issues in sheep and goats.
12 citations
,
December 2003 in “Gene” The ovine Hoxc-13 gene is crucial for hair formation and may have other skin functions.
9 citations
,
October 1994 in “Brain Research” Fetal sheep develop skin nerve pathways and responses to touch and heat between 75 and 134 days of gestation.
November 2025 in “Biomolecules” FGF22 helps hair follicle stem cells grow and develop.
10 citations
,
December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
17 citations
,
October 2017 in “Scientific reports” Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.
12 citations
,
September 2018 in “Naturwissenschaften” Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
5 citations
,
October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
13 citations
,
March 2020 in “Genes” Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.
1 citations
,
December 2024 in “Scientific Data” Researchers identified key molecular changes in goat hair follicles that could improve cashmere production.
July 2023 in “Indian Journal of Animal Health” FGF-5 promotes Cashmere goat hair growth by increasing keratin genes and reducing certain LncRNA and target genes.
August 2019 in “Research Square (Research Square)” Certain long non-coding RNAs in cashmere goats affect hair growth when treated with a specific growth factor.
107 citations
,
September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
90 citations
,
October 1996 in “Dermatologic Clinics” Growth factors are crucial for hair development and could help treat hair diseases.
51 citations
,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
35 citations
,
April 2014 in “Journal of proteomics” Feed restriction in sheep leads to finer wool fibers but may reduce wool quality.
32 citations
,
May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
17 citations
,
November 2017 in “Asian-Australasian journal of animal sciences” Certain gene mutations are linked to wool quality in sheep and could help in breeding for better wool.
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.
14 citations
,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
11 citations
,
September 1992 in “Journal of pineal research” Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.
9 citations
,
January 2015 in “Laboratory Animal Research” Laminaria japonica and Cistanche tubulosa extracts combined may effectively promote hair growth.
6 citations
,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.