2 citations
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March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
March 2026 in “Frontiers in Medicine” Different types of alopecia cause hair loss due to immune system issues, with some allowing regrowth and others causing permanent loss.
28 citations
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June 1991 in “Veterinary Dermatology” Black and white Saluki dogs have a unique hair loss condition different from Doberman pinschers.
May 2026 in “Frontiers in Cell and Developmental Biology” Collagen networks play a key role in hair loss and follicle miniaturization.
May 2025 in “International Journal of Trichology” Partially bald areas in Indian AGA patients still have hair growth cells, suggesting early treatment is best.
13 citations
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September 2020 in “Sensors” Hair follicles have a pH gradient, increasing towards the root.
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January 2016 in “Annals of Dermatology” 3D-cultured dermal papilla cells are better at inducing hair follicles than adipose-derived stem cells.
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February 1990 in “PubMed” DDR-II hair follicle cells don't respond to 1, 25-dihydroxyvitamin D3, aiding diagnosis.
November 2024 in “Comparative Biochemistry and Physiology Part D Genomics and Proteomics” Exosomes help hair follicle development in cashmere goats.
102 citations
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July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
57 citations
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August 1999 in “Archives of dermatology” Hair follicles grow hair and release it through the skin.
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March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
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July 2014 in “Experimental Dermatology” PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.
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August 2016 in “Química Nova” Using iontophoresis on minoxidil sulphate-loaded chitosan nanoparticles increases drug release but reduces its targeting to hair follicles.
July 2025 in “Biotechnology and Bioprocess Engineering” Camellia japonica seed extract helps hair grow by activating hair follicles and preventing cell aging.
July 2025 in “Journal of Dermatological Treatment” PRP improves hair growth in androgenic alopecia, especially when combined with minoxidil.
June 2025 in “Stem Cell Research & Therapy” Understanding hair growth pathways can lead to better hair loss treatments.
405 citations
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January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
356 citations
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December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
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December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
112 citations
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July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
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February 2010 in “Dermatology Online Journal” Vitamin D may help treat hair disorders.
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
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April 1968 in “Development” Excess vitamin A can cause hair follicles to change into gland-like structures.
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April 2003 in “Biomaterials” Controlled release of growth factors in hydrogels improved hair growth in mice.
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April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor is crucial for starting hair growth after birth.
54 citations
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June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Disruptions in hair follicle fibroblast dynamics can cause hair growth problems.
46 citations
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November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.