11 citations
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June 2012 in “Acta histochemica” Mice with a Gsdma3 gene mutation have thicker skin and longer hair follicle openings due to increased β-catenin levels.
143 citations
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October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.
3 citations
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July 2024 in “Dermatology and Therapy” Hair shaft abnormalities can help distinguish mycosis fungoides from other skin conditions.
12 citations
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January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
119 citations
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November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
1 citations
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October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
January 1990 in “Advances in forensic haemogenetics” Human hair protein patterns are inherited genetically.
88 citations
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March 2004 in “Journal of Investigative Dermatology”
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
12 citations
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January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
1 citations
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August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
January 2025 in “SSRN Electronic Journal”
21 citations
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July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
74 citations
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January 2013 in “Journal of Investigative Dermatology” Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
November 2024 in “Journal of Investigative Dermatology” The research aims to better understand hair follicle regulation and find new treatments for hair loss.
38 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Understanding normal hair follicle development helps analyze abnormalities in mutant mice.
2 citations
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January 1990 136 citations
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July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
1 citations
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology”
9 citations
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June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
2 citations
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June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
Dark hair with a red beard likely evolved for camouflage, not attraction.