November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
January 2017 in “Enlighten: Publications (The University of Glasgow)” Activating β-catenin and inactivating PTEN cause follicular tumors, not papillomas, similar to those in Cowden’s Disease.
2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
175 citations
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
May 2026 in “Journal of International Medical Research” Atrichia with papular lesions causes irreversible hair loss from infancy and is often misdiagnosed.
17 citations
,
January 1991 in “Acta Dermato Venereologica” A family had a genetic condition causing hair loss on the scalp, passed down through four generations.
January 2022 in “Clinical Cases in Dermatology” The girl's hair loss is due to trichotillomania, which may improve with behavioral therapy or a combination of treatments.
9 citations
,
December 2012 in “Indian Journal of Dermatology Venereology and Leprology” Two sisters had rare, widespread cysts and complete hair loss, suggesting a genetic link.
January 2025 in “Frontiers in Cell and Developmental Biology” Hox proteins help maintain keratinocyte identity by regulating miRNA expression.
2 citations
,
January 2017 in “International Journal of Trichology” Trichoscopy can reveal specific hair and scalp changes in linear morphea.
5 citations
,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” A woman had 13 non-cancerous cysts on her scalp successfully removed in one surgery.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
Trichoscopy is effective for tracking treatment progress in hair loss when used by an experienced doctor.
September 2022 in “TURKDERM” A rare benign skin nodule was found on the buttock, a unique location for this condition.
2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
32 citations
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August 2016 in “Science Signaling” Alopecia areata patients show unique protein activity patterns, suggesting imbalanced signaling pathways.
12 citations
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March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
5 citations
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February 2025 in “Journal of Clinical Medicine” A new method improves alopecia diagnosis using non-invasive steps.
July 2022 in “Journal of Investigative Dermatology” TRPS1 loss in balding scalp areas contributes to hair loss in androgenic alopecia.
2 citations
,
July 2015 in “The Open Dermatology Journal” Trichoscopy is a tool for detailed examination of hair and scalp diseases.
9 citations
,
February 2016 in “Cambridge University Press eBooks” The conclusion is that self-concept, shame, and emotion regulation are key factors in hoarding disorder, body dysmorphic disorder, and trichotillomania, and should be targeted in treatment and research.
December 2004 in “Differentiation” December 2025 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Using both trichoscopy and folliscopy together improves hair loss diagnosis in men.
1 citations
,
April 2020 in “International Journal of Research in Dermatology” Trichoscopy is a reliable method for diagnosing different types of hair loss.
990 citations
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October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
A 14-year-old girl with a condition that makes her hair easy to pull out also has a hair-pulling disorder, and treatment helped but she relapsed after a year.
4 citations
,
April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
May 2026 in “Journal of Basic and Clinical Health Sciences” FAGA shows varied hair thickness, while TE has more empty follicles.
January 1999 in “Journal of Investigative Dermatology”