58 citations
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November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
1 citations
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January 2024 in “International journal of molecular sciences” The research identifies genes linked to wool quality in sheep and provides insights to improve wool production.
18 citations
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July 2001 in “International Journal of Dermatology” A 12-year-old boy's hair loss and skin issues improved significantly with medication.
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September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
January 2018 in “Springer eBooks” Alopecia totalis/universalis is a severe form of hair loss where all body hair is lost.
Caucasian and Mediterranean hair differ morphologically from African and Asian hair, characterized by the greatest density, round to oval cross-section, intermediate thickness, growth rate, and ellipticity. Northern Europeans typically have blond or light brown, finer, cylindrical hair, while Mediterranean individuals often have black, curly hair due to more elliptical fibers. North Africans may use natural products like henna or Moroccan argan oil to enhance hair color, moisture, or texture.
30 citations
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June 1993 in “The Journal of Cell Biology” The oncoprotein causes abnormal hair growth without increasing skin cancer risk.
20 citations
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January 2003 in “Dermatology online journal” Prostaglandin analogs like Latanoprost might help grow hair on the scalp and body.
March 2025 in “International Journal of Molecular Sciences” Melatonin promotes hair growth and quality by enhancing hair follicle development and reducing stress.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
15 citations
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December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
February 2013 in “Journal of the American Academy of Dermatology” 30 citations
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May 1980 in “Journal of the American Academy of Dermatology” Alopecia areata can cause spotty white areas on nails.
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June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
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.
April 2023 in “Journal of Investigative Dermatology” Hair growth is driven by cells that move and change like a conveyor belt.
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July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
1 citations
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November 2024 in “Genes” miR-144 affects hair growth by interacting with Lhx2.
31 citations
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October 2016 in “PLoS ONE” The ubiquitin-mediated proteolysis pathway is crucial for hair follicle development in cashmere goats.
1 citations
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July 2019 in “Case reports in dermatology” A Thai boy was diagnosed with a rare hair disorder causing hair thinning and shedding.
29 citations
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January 2004 in “Experimental Dermatology” Topical anthralin helped regrow hair in mice with a condition similar to human alopecia.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
2 citations
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December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
19 citations
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February 1998 in “Cellular Immunology” Hair growth phase in mice weakens certain immune responses.
3 citations
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June 2020 in “Developmental Cell” Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
4 citations
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August 2022 in “Cells” lncRNA2919 slows down rabbit hair growth by stopping cell growth and causing cell death.
3 citations
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November 2010 in “The Journal of Dermatology” A giant blue nevus on the scalp can cause hair loss and may damage underlying structures.
30 citations
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December 2001 in “Experimental dermatology” Gonadal hormones significantly affect the severity of alopecia areata in mice.