December 2025 in “The Journal of Cell Biology” Keratin 15 helps maintain skin cell growth and repair.
July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
The GG genotype of the KRT71 gene leads to longer wool in Gansu alpine fine-wool sheep.
January 2025 in “Kuwait Journal of Science” KRT71 gene variants may influence camel hair shape but don't fully explain it.
August 2024 in “Journal of Animal Science and Technology” Angora goat hair growth is influenced by gene expression, sex hormones, and breed differences.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
January 2024 in “Seven Editora eBooks” Different techniques measure hair properties to ensure cosmetic products work.
January 2023 in “Frontiers in bioscience” Artemis protein may help control hair growth and health by influencing cell processes.
Pashmina goats produce long hair-fiber due to specific gene expressions related to hair growth.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
April 2017 in “Journal of dermatological science” Researchers created a cell model to study hair growth and test hair-growth drugs.
November 2016 in “Oncology Letters” Milia may come from the outer part of the hair follicle.
January 2012 in “Durham e-Theses (Durham University)” Keratin 15 affects cell behavior and characteristics in skin cells.
May 2006 in “The Journal of Cell Biology” Keratin 17 is crucial for cell growth in wound healing by aiding protein synthesis.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
December 1991 in “Annals of the New York Academy of Sciences” Keratin proteins are crucial for hair structure and strength.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
59 citations
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September 2007 in “Biochemical and Biophysical Research Communications” The TRPV3 gene mutation affects hair growth by keeping mice in the growth phase longer, which could help treat hair loss.
34 citations
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January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
18 citations
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November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
16 citations
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December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.
8 citations
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
7 citations
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February 1982 in “Australian Journal of Biological Sciences” Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.
6 citations
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January 2006 in “Journal of dermatological science” Runx1 helps control the KAP5 gene in human hair follicles.
3 citations
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March 2024 in “Discover Applied Sciences” Spirulina proteins can improve hair smoothness and strength in hair care products.
2 citations
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January 2013 Hair can help solve crimes by revealing personal and chemical information.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.