Knocking out the FGF5 gene in sheep increased wool production and hair-follicle density.
June 2019 in “Problems of Cryobiology and Cryomedicine”
December 2023 in “American Journal of Animal and Veterinary Sciences” Immature blackbuck pancreas has underdeveloped goblet cells and similar Langerhans islets in both sexes.
April 2024 in “Current journal of applied science and technology” The organic hair ointment is safe, promotes hair growth in male rabbits, and has good stability and pH for human use.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
1 citations
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June 2025 in “Frontiers in Genetics” Key genes IRF2BP2 and EGFR are linked to Hetian sheep's double-coat fleece.
January 2007 in “Journal of Inner Mongolia University” The research helps in creating genetically modified animals to study hair growth.
January 2013 in “China Animal Husbandry & Veterinary Medicine” The best method to isolate and culture hair follicle stem cells in fine-wool sheep is a combination of two-step enzymatic digestion and mechanical separation.
7 citations
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January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
January 2011 in “Zhongguo nongye Kexue” Transgenic sheep cells with spider silk gene were successfully created for future sheep hair expression.
8 citations
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November 1997 in “Veterinary Research Communications”
May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Primary cilia affect the size and oil production of eye glands but not the oil's makeup.
January 1990 in “UCL Discovery (University College London)” The guinea pig α-lactalbumin gene was successfully expressed in the mammary glands of transgenic mice.
27 citations
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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.
17 citations
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July 2022 in “BMC Genomics” The FA2H gene improves cashmere fineness by enhancing hair growth in goats.
71 citations
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May 1996 in “Journal of Investigative Dermatology” Ornithine decarboxylase is crucial for hair growth regulation in mice.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
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June 2017 in “Gene” Overexpression of FGF5s makes Chinese Merino sheep grow longer and heavier wool.
22 citations
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September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
14 citations
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September 2017 in “General and comparative endocrinology” Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
117 citations
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November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
26 citations
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April 2019 in “Genes” lncRNA XLOC_008679 and gene KRT35 affect cashmere fineness in goats.
25 citations
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September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
47 citations
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May 1995 in “Journal of Investigative Dermatology” Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.
36 citations
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January 2021 in “Scientific Reports” Key genes and pathways, including Wnt, NF-Kappa, and JAK-STAT, are crucial for starting Pashmina fiber growth in goats.
9 citations
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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.
1 citations
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January 2018 in “Journal of Cosmetics, Dermatological Sciences and Applications” Ostrich antibodies helped regrow hair in men with hair loss, but the application needs to be easier.
20 citations
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October 2017 in “Clinical Endocrinology” The conclusion is that removing both ovaries is the best treatment for excess male hormones in postmenopausal women, with medication as another option, and managing insulin resistance is important for diagnosis and treatment.