103 citations
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March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
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July 2012 in “PLoS Genetics” A mutation in the KRT75 gene causes frizzle feathers in chickens.
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February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
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April 2016 in “Andrology” Hormones and metabolism play a complex role in prostate enlargement, and more research is needed to improve diagnosis and treatment.
95 citations
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February 2019 in “The New England Journal of Medicine” Mutations in the PADI3 gene are linked to a higher risk of scarring hair loss in women of African descent.
94 citations
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April 2002 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A new gene mutation causes female pseudohermaphroditism due to glucocorticoid resistance.
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June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
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August 2014 in “Development” The circadian clock is crucial for tissue renewal and regeneration, affecting stem cell functions and having implications for health and disease.
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May 2005 in “The Journal of Clinical Endocrinology & Metabolism” A new mutation in the human glucocorticoid receptor reduces its function and causes resistance to glucocorticoids.
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August 2011 in “Toxicological sciences” TCDD speeds up skin barrier formation by increasing certain gene expressions.
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December 2018 in “Genetics in Medicine” Pegvaliase is recommended for treating adults with phenylketonuria.
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October 2014 in “PLoS Genetics” Wnt signaling is essential for forming the skin's spinous layer through a BMP-FGF pathway.
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August 2014 in “PLoS ONE” All adults have Demodex mites, which vary by region.
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August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
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January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
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January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
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April 2011 in “Plant physiology” White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.
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June 2015 in “Nature Reviews Urology” Some common medications can harm male fertility, but many effects can be reversed.
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September 1992 in “Endocrinology” The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.
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September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
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January 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.
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October 1998 in “Journal of biological chemistry/The Journal of biological chemistry” The 190-kbp domain contains all human type I hair keratin genes, showing their organization and evolution.
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June 2010 in “PLoS Genetics” A gene mutation in mice causes hair loss, weak bones, and protein buildup, showing how protein processing issues can lead to diseases.
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July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
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November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.
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February 2019 in “The journal of immunology/The Journal of immunology” Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.
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April 1995 in “The journal of cell biology/The Journal of cell biology” A new protein was made to detect specific skin cell growth receptors and worked in normal skin but not in skin cancer cells.
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
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November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
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April 2008 in “Neurobiology of aging” Scientists found a gene in mice that causes early hearing loss.