112 citations
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January 2004 in “The International journal of developmental biology” Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.
28 citations
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January 2003 in “Skin pharmacology and physiology” Melatonin affects skin cell growth differently based on how much and how long it's used.
July 2025 in “Journal of Investigative Dermatology”
149 citations
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July 2017 in “PLoS Biology” Hair follicle patterns form through a mix of self-organization and signaling interactions.
April 2023 in “Journal of Investigative Dermatology” Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.
25 citations
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February 1977 in “American Journal of Veterinary Research” Increasing daylight to 16 hours in winter can make mares ovulate and cycle earlier.
March 2022 in “Experimental Eye Research” Parental uveitis causes hair loss in offspring of C57BL/6J mice.
July 2024 in “Journal of Investigative Dermatology”
68 citations
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April 2012 in “Journal of Investigative Dermatology” The conclusion is that Fgf18 and Tgf-ß signaling could be targeted for hair loss treatments.
October 2025 in “Journal of Investigative Dermatology” Hair follicle dermal stem cells help control hair growth timing by regulating signals at the hair germ–dermal papilla interface.
9 citations
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January 2005 in “Experimental dermatology” Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.
1 citations
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April 2010 in “Digital WPI” CLK1 is needed for skin cells to become epidermal cells but not sebocytes.
127 citations
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December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” MPZL3 is important for controlling the hair growth cycle in mice and humans.
4 citations
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January 2014 in “PubMed” Hair growth is controlled by cycles influenced by hormones and various signals.
49 citations
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May 2018 in “Endocrine” Women with regular menstrual cycles and PCOS have linked kisspeptin and LH hormone patterns, unlike those with irregular cycles.
75 citations
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January 1980 in “Journal of Investigative Dermatology”
73 citations
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June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
14 citations
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June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
26 citations
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July 1993 in “Journal of Investigative Dermatology”
21 citations
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October 2013 in “Molecular Biology of the Cell” The protein CCN2 controls hair growth by affecting hair follicle formation and stem cell activity in mice.
8 citations
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September 2024 in “BMC Genomics” circCFAP20DC helps goat ovarian cells grow, aiding follicle development.
August 2013 in “eCommons (Cornell University)” Runx1 and CDK inhibitors help keep hair follicle stem cells inactive, affecting their future roles.
October 2021 in “Nepal journal of dermatology, venereology & leprology” Melatonin is good for skin health and may help treat skin conditions.
237 citations
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September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
74 citations
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February 2011 in “Headache The Journal of Head and Face Pain” Sumatriptan injections, high-flow oxygen, and verapamil effectively treat cluster headaches.
51 citations
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July 2013 in “Brain Research” Testosterone needs to be converted to DHT to reduce stress response in male rats.
11 citations
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June 2021 in “Preprints.org” Melatonin may help with atopic dermatitis by reducing inflammation and improving sleep.
10 citations
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September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.