February 2021 in “International journal of agriculture & biology/International journal of agriculture and biology” Wool traits in sheep are controlled by many genes and environmental factors.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
4 citations,
September 2016 in “World Rabbit Science” High wool density in Rex rabbits is linked to specific gene activity affecting hair follicle development.
67 citations,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
15 citations,
January 1999 in “Reproduction Fertility and Development” Merino sheep have fewer wool follicles at birth than before birth.
11 citations,
October 1997 in “British Journal of Dermatology” Wool follicles grew fibres for 8-10 days in a serum-free culture, influenced by calcium, glucose, amino acids, and insulin.
48 citations,
February 2010 in “Molecular biology reports” KAP7.1 and KAP8.2 genes are crucial for cashmere quality in goats.
4 citations,
March 2016 in “Small ruminant research” Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.
March 2021 in “World rabbit science” Adding 0.2% taurine to Angora rabbits' diet improves wool production and overall health.
1 citations,
October 2022 in “PubMed” Gender affects wool traits in sheep, with males and females showing differences in skin proteins related to wool growth.
Researchers found genes in sheep that may affect hair growth and wool quality.
January 2021 in “Research Square (Research Square)” STAT3 reduces FST gene activity and cell growth, affecting hair development and wool quality.
Wnt10b promotes hair growth, while SFRP2 inhibits it in Wanxi Angora rabbits.
11 citations,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
34 citations,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
356 citations,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
12 citations,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
November 2022 in “Research Square (Research Square)” Keratin-associated proteins have ancient origins and were used for different purposes before being adapted for hair in mammals.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
27 citations,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
24 citations,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
18 citations,
September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
11 citations,
August 2018 in “Asian-Australasian journal of animal sciences” Short daily photoperiods improve cashmere production in Inner Mongolia white cashmere goats.
9 citations,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
7 citations,
November 2019 in “Animal” Melatonin increases cashmere quality in goats but reduces their milk production and doesn't affect their offspring's hair growth.
1 citations,
July 2013 in “Hair transplant forum international” Advancements in hair follicle culture have led to better understanding and potential treatments for hair loss.
January 2012 in “Methods in pharmacology and toxicology” Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.