Alopecia areata causes patchy hair loss but hair can regrow on its own.
5 citations
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November 2012 in “Journal of the American Academy of Dermatology” A 3-year-old girl has short anagen syndrome, causing her hair to stay short.
15 citations
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February 2015 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Dermoscopy helps accurately diagnose temporal triangular alopecia, avoiding unnecessary treatments.
14 citations
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August 2006 in “Clinical and Experimental Dermatology” A girl with no hair neglect developed plica neuropathica in the hospital, lost all her hair, but it grew back.
18 citations
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August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
27 citations
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August 2021 in “Journal of Autoimmunity” Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.
September 2016 in “Journal of Engineering and Technological Science” Women with telogen effluvium have an imbalance in thiol-disulphide, suggesting oxidative stress may contribute to hair loss.
5 citations
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June 2015 in “Veterinary dermatology” A dog with complete hair loss regrew most hair after treatment, with no relapse after stopping treatment.
2 citations
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May 2022 in “Stem cell research & therapy” Disrupted stem cell signals in hairpoor mice cause hair loss.
2 citations
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October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
July 2016 in “Journal of Investigative Dermatology” Balding scalps show different gene expressions affecting hair growth compared to non-balding scalps.
2 citations
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June 2018 in “Clinical and Experimental Dermatology” Permanent hair loss after a stem cell transplant can be a sign of chronic immune system attack on the scalp.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Most adult women experiencing hair loss are aged 21-40, with the most common type being female pattern hair loss. Trichoscopy is a useful tool for diagnosing different types of hair loss.
March 2012 in “Journal of The American Academy of Dermatology” Temporal triangular alopecia usually starts in early childhood and treatment with Minoxidil has limited effectiveness.
7 citations
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July 2017 in “The Journal of Dermatology” Hair loss can occur when pemphigus foliaceus changes to pemphigus vulgaris.
September 2024 in “Journal of the American Academy of Dermatology” A new type of alopecia areata, called the "confetti variant," causes small bald spots that often heal on their own in a few months.
2 citations
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September 1980 in “Experientia” Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.
5 citations
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January 2023 in “Nature cell biology” A specific signal from hair cells controls the tightening of the surrounding muscle, which is necessary for hair shedding.
7 citations
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July 2013 in “Acta Biochimica Polonica” Chemotherapy reduces splenic melanin in mice.
7 citations
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July 1976 in “PubMed” Rapid weight loss can cause hair loss.
2 citations
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March 2015 in “Hepatitis Monthly” A woman's hair loss during Hepatitis C treatment with PEG-INF-a-2a and Ribavirin was reversible after stopping the medication.
5 citations
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April 2019 in “Veterinary Dermatology” Cats infested with Lynxacarus radovskyi can lose hair without inflammation, treatable with selamectin.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
14 citations
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February 2013 in “Veterinary dermatology” Horse alopecia areata is rare and mainly affects their appearance.
82 citations
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March 2012 in “Development” Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.
November 2024 in “Biochemical and Biophysical Research Communications” Abnormal gene expression related to keratin causes hair loss in certain mice.
April 2024 in “Benha Medical Journal” H. pylori infection may be linked to the hair shedding condition Telogen Effluvium.