51 citations
,
January 2007 in “Animal Genetics” The gene for slick hair in Senepol cattle is located on chromosome 20 and may involve the SRD5A2 gene.
April 2008 in “Expert review of dermatology” Mutations in the P2RY5 gene cause hereditary woolly hair.
1 citations
,
November 2025 in “Science Advances” Two gene variants cause white spots in cattle.
88 citations
,
March 2004 in “Journal of Investigative Dermatology” 9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
1 citations
,
March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
7 citations
,
April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.
17 citations
,
August 2015 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
12 citations
,
December 2013 in “The Journal of Urology” Men's age, urinary symptoms, and heart health risks create different types of erectile dysfunction.
7 citations
,
November 2021 in “Anais Brasileiros de Dermatologia” Skin side effects from cancer treatments can lead to changes in therapy and are common, with nail changes being the most frequent.
2 citations
,
September 2012 in “Pharmaceutical patent analyst” European patent law now allows patents for new uses and dosages of known drugs, but protection scope is unclear.
March 2026 in “Journal of Pain” Preoperative stress markers alone don't predict chronic post-surgical pain.
January 2016 in “Skin appendage disorders” The document discusses various nail and hair disorders and their treatments.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
16 citations
,
June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
May 2024 in “Animal genetics” A cat's poor wound healing was linked to a genetic deletion in the COL5A1 gene.
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
30 citations
,
January 2013 in “Human Mutation” A mutation in the HOXC13 gene causes hair and nail problems in a Syrian family.
17 citations
,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
53 citations
,
July 2002 in “Journal of Investigative Dermatology” The Dfl mutation in mice causes poor sebaceous gland function and complete hair loss.
October 2025 in “Journal of Veterinary Diagnostic Investigation” Black hair in cats has higher cortisol levels than white hair.
November 2025 in “Skin Health and Disease” Autosomal recessive woolly hair is rare and involves tightly coiled hair without other health issues.
28 citations
,
October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
1 citations
,
January 2020 in “Veterinariya Zootekhniya i Biotekhnologiya” Long-haired cats have thinner skin where hair is thicker, and all have unique collagen patterns.
September 2016 in “Journal of Dermatological Science” Certain gene mutations in Japanese people are linked to different types of hair loss, with some causing mild hair thinning and others leading to complete baldness.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
44 citations
,
July 2013 in “Journal of the American Academy of Dermatology” Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.
95 citations
,
October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.