56 citations
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September 2010 in “Veterinary pathology” Certain mouse strains develop a skin condition similar to a human hair loss disease due to genetic defects.
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.
November 2024 in “International Journal of Dermatology” LC-OCT is a useful noninvasive tool for diagnosing and monitoring alopecia areata.
95 citations
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January 2004 in “Archives of Dermatological Research” Peripilar signs can help diagnose androgenetic alopecia and reveal its cause.
7 citations
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January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
January 2014 in “Pathology” Non-scarring hair loss can be diagnosed with two 4mm punch biopsies, one cut vertically and the other transversely.
January 2017 in “PRISM (University of Calgary)” Unique genes in hair follicle cells help tissue regeneration.
1 citations
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August 2016 in “Journal of Buffalo Science” The animal was likely a wild boar.
24 citations
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December 2011 in “Journal of The American Academy of Dermatology” Caucasian hair is denser, but Asian hair is thicker in female pattern hair loss patients.
4 citations
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February 2013 in “PubMed” A3 antibody helps identify key cells in rat hair follicle development.
1 citations
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March 2014 in “Journal of Innovative Optical Health Sciences” Hair structure worsens as tumors grow in mice.
Basaloid follicular hamartoma is a rare, benign skin growth often misdiagnosed.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
43 citations
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September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
5 citations
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May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
January 2007 in “The Year book of dermatology” Researchers successfully isolated and identified key stem cells in human hair follicles, which could help develop new skin and hair treatments.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
47 citations
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June 2013 in “Biology of blood and marrow transplantation” Mice with human fetal thymic tissue and stem cells developed symptoms similar to chronic graft-versus-host disease.
Moderate immune responses help hair growth, while excessive responses slow it down.
3 citations
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March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
September 2014 in “Chinese Journal of Dermatology” Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.
19 citations
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November 1993 in “Mammalian Genome” A gene mutation in mice causes permanent hair loss and skin issues.
2 citations
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April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
27 citations
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December 2005 in “Journal of Cutaneous Pathology” The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
January 2026 in “Figshare” January 2026 in “Figshare”