164 citations
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November 1989 in “Clinical and Experimental Dermatology” Juvenile alopecia areata is more severe and has a worse prognosis than maturity-onset alopecia areata.
1 citations
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January 2011 in “ScholarlyCommons (University of Pennsylvania)” Notch signaling is crucial for specifying niche cells in Drosophila testis.
February 2012 in “Clinical and Experimental Dermatology” Many adult women experience unexplained excessive hair shedding, often starting before age 40.
4 citations
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December 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Overactive Wnt signaling in mouse skin stem cells causes acne-like cysts and shrinking oil glands, which some treatments can partially fix.
252 citations
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November 1995 in “The EMBO Journal” Blocking EGFR in mice causes hair loss and skin changes.
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January 2015 in “Development” Hoxc8 gene helps start mammary gland development by controlling specific signals.
33 citations
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August 2008 in “American Journal Of Pathology” Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.
46 citations
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January 1991 in “Tissue and Cell” The male silkmoth's antenna develops olfactory structures over 21 days, with full hair formation by day 15.
92 citations
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August 2017 in “Proceedings of the National Academy of Sciences of the United States of America” Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.
January 2021 in “Journal of Entomology and Zoology Studies” The piglets fully recovered from psoroptic mange after treatment.
August 2025 in “Brazilian Journal of Hair Health” Hair-related body dysmorphic disorder is common in hair loss patients and needs early recognition for proper treatment.
25 citations
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May 2013 in “Journal of mammary gland biology and neoplasia” Hedgehog signaling is crucial for mammary gland development over hair follicles.
May 2000 in “Journal of Investigative Dermatology” Hedgehog signaling is crucial for hair development, cadherins affect cell adhesion, neutrophils play a role in skin lesions, and BP230 autoantibodies impact skin stability.
September 2023 in “Cureus” Early recognition and treatment of atypical alopecia areata in infants are crucial.
December 2015 in “OPAL (Open@LaTrobe) (La Trobe University)” Estrogen speeds up hair follicle cell death, causing early hair growth cycle changes, but only if a specific receptor is present.
23 citations
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July 2016 in “JAMA Ophthalmology” CDH3-related disease causes worsening eye and hair issues.
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September 2020 in “Genes & Genomics”
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
February 2023 in “Cosmoderma” Loose anagen hair syndrome causes easily shed hair but usually improves with time.
41 citations
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April 2006 in “Journal of Pediatric and Adolescent Gynecology” Shaving caused a mild, itchy pubic rash with small bumps and crusts.
10 citations
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November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
April 2012 in “Cancer Research” EGFR deficiency in skin causes hair follicle issues and inflammation.
10 citations
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May 1986 in “Experientia” Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.
22 citations
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April 2012 in “The American journal of pathology” Loss of Msx2 function causes eye development issues similar to Peters anomaly.
February 2024 in “Journal of Investigative Dermatology” Deleting NIPP1 in mouse skin cells causes early aging and chronic skin issues.
January 1981 in “Purdue e-Pubs (Purdue University)” Pig skin is similar to human skin, with no major changes as they age.
13 citations
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June 2012 in “Journal of Dermatological Case Reports” An 8-year-old boy with hair-pulling disorder had a bald patch that was confirmed not to be a fungal infection and was treated with therapy.
1 citations
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April 2024 in “Science Advances” Female cuckoo color differences are linked to their unique genes and help avoid male harassment.
October 2012 in “Indian Journal of Dermatology, Venereology and Leprology”
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.