8 citations,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
42 citations,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing Lrig1-positive stem cells in mice causes temporary loss of sebaceous glands.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
9 citations,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
4 citations,
June 2022 in “ACS applied materials & interfaces” New wig coating technique makes them more durable, UV resistant, and less static.
16 citations,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
3 citations,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
19 citations,
July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
375 citations,
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.
10 citations,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
13 citations,
May 2001 in “Current problems in dermatology” Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.
34 citations,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
November 2023 in “Journal of the Taiwan Institute of Chemical Engineers” Scientists made nanoparticles from human hair proteins to improve drug delivery.
1 citations,
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Pangolins have lost some skin-related genes, but kept others, showing complex skin evolution.
17 citations,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
4 citations,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
5 citations,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
13 citations,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
3 citations,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
34 citations,
July 2020 in “American journal of human genetics” Changes in the SREBF1 gene cause a rare genetic skin and hair disorder.
1 citations,
April 2016 in “Journal of Investigative Dermatology” Prostaglandin D2 increases testosterone levels in skin cells through reactive oxygen species, not enzymes, which could lead to new hair loss treatments.
1 citations,
February 2023 in “All Life” The research identified proteins that change as goat hair follicles begin to form, helping to understand how cashmere grows.
September 2016 in “Journal of dermatological science” HAP stem cells can repair nerves and spinal cords by becoming Schwann cells.
4 citations,
December 2013 in “The Journal of Dermatology” A new mutation in the K6b gene caused a girl's late-appearing nail condition.
1 citations,
April 2023 in “Langmuir” Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.