2 citations
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October 2022 in “Journal of structural biology” Older thin hair is not just thinner but also has different shape, structure, and stiffness.
450 citations
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January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
248 citations
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
152 citations
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December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
9 citations
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February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
93 citations
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
71 citations
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June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
68 citations
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
54 citations
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May 1994 in “Veterinary Pathology” PTHrP is higher in certain dog tumors and may act as a local growth factor.
30 citations
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February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
29 citations
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October 2010 in “Journal of Investigative Dermatology” Activating Kras in mouse skin causes excess skin and hair loss.
21 citations
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June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
13 citations
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April 2019 in “iScience” EGFR helps control how hair grows and forms without needing p53 protein.
8 citations
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April 1997 in “Experimental Dermatology” hHbl gene is active in hair shaft cells and some pilomatricomas.
4 citations
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January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
May 2025 in “Journal of Inflammation Research” Natural killer and CD8+ T cells play a key role in hair loss in androgenetic alopecia.
46 citations
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November 1998 in “Experimental Cell Research” K15 gene is mainly active in the basal layers of hair follicles and epithelia, aiding early skin cell development.
October 2024 in “BMC Genomics” Understanding hair follicle development can help improve cashmere quality.
2 citations
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August 2023 in “Autophagy” Autophagy helps control skin inflammation and cancer responses and regulates hair growth by affecting stem cell activity.
1010 citations
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August 2000 in “Cell” Hair follicle stem cells can form both hair follicles and skin.
375 citations
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June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
130 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
90 citations
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August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.
57 citations
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January 2020 in “International Journal of Molecular Sciences” PADs are crucial for healthy skin and hair, and their imbalance can cause skin and hair disorders.
51 citations
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August 2013 in “The Journal of experimental medicine/The journal of experimental medicine” Loss of a specific protein in skin cells causes symptoms similar to psoriasis.
43 citations
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December 2006 in “The American journal of pathology” Edar signaling is crucial for controlling hair growth and regression.
40 citations
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November 2021 in “International Journal of Molecular Sciences” Mutant keratins cause inflammation in Epidermolysis Bullosa Simplex, suggesting targeting them could help treat the disorder.
37 citations
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August 2024 in “Current Issues in Molecular Biology” Keratins 6, 16, and 17 increase in damaged or diseased skin and may help diagnose skin issues.
34 citations
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July 2020 in “American journal of human genetics” Changes in the SREBF1 gene cause a rare genetic skin and hair disorder.