87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
24 citations
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November 2015 in “Experimental Cell Research” Sebum from sebocytes is important for skin health and linked to conditions like acne and hair loss.
195 citations
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May 2003 in “Obstetrics and gynecology (New York. 1953. Online)/Obstetrics and gynecology” Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.
April 2018 in “Journal of Investigative Dermatology” Researchers found a substance in chicken egg yolk that helps hair grow.
2 citations
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November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
6 citations
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February 2013 in “British Journal of Dermatology” Androgens significantly regulate hair keratin K37 expression.
34 citations
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January 2004 in “PubMed” DHT deficiency in rats reduces sperm content and affects testis structure over time.
30 citations
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January 1963 in “PubMed”
1 citations
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November 2002 in “Endocrine practice” The patient's high testosterone was reduced by a medication that suppresses gonadotropin.
25 citations
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April 2008 in “Archives of Dermatological Research” Encapsulated human hair cells can substitute for natural hair cells to grow hair.
September 2024 in “Medicine theory and practice” A young girl's hyperandrogenism was caused by an adrenocortical adenoma, diagnosed and treated through detailed evaluations.
19 citations
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June 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
4 citations
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July 1983 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Certain hormones can reduce skin oil and hair growth, potentially helping treat acne and excessive hair in women.
41 citations
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April 2009 in “Journal of comparative neurology” P2X3-IR fibers are widespread in rat skin and likely help detect pain.
8 citations
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March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” The near-naked hairless mutation causes hair loss but is not due to a mutation in the hairless gene itself.
6 citations
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January 1985 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
July 2026 in “Scientific Data” Distinct molecular signatures in goat hair cells relate to growth, follicle type, and sex, aiding cashmere improvement.
July 2015 in “Cambridge University Press eBooks” Androgens like testosterone affect skin health and can lead to conditions such as acne and hair loss, with various treatments available.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” DAB labeling effectively identifies collagen type III and PDGFR in horse skin, but may show false positives.
January 2000 in “Acta Academiae Medicine Militaris Tertiae” Different keratins in hair follicles can help identify hair tumor origins.
11 citations
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August 2019 in “PubMed” Hirsutism in women is mostly caused by polycystic ovary syndrome and idiopathic hyperandrogenism.
66 citations
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August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
205 citations
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March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
62 citations
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December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
7 citations
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July 2024 in “Animals” The Shh gene controls cell growth and death in cashmere goat hair follicles, affecting hair growth.
2 citations
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September 2022 in “World Rabbit Science” The WIF1 gene is crucial for hair growth in Angora rabbits.
April 2025 in “The Journal of Clinical Endocrinology & Metabolism” Hirsutism affects many women and is managed with a combination of medical treatments and hair removal, tailored to individual needs.
5 citations
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August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
January 2022 in “Dubai diabetes and endocrinology journal/Dubai diabetes & endocrinology journal” A 16-year-old girl with HAIR-AN syndrome was treated with lifestyle changes and medications to manage her condition.