36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
62 citations,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
10 citations,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
48 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
28 citations,
October 1985 in “The Journal of Cell Biology” Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
15 citations,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
67 citations,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
5 citations,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
November 2022 in “Research Square (Research Square)” Keratin-associated proteins have ancient origins and were used for different purposes before being adapted for hair in mammals.
98 citations,
June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
18 citations,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
May 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” KAP-depleted hair causes less immune response and is more biocompatible for implants.
40 citations,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
January 2023 in “Open Life Sciences” VEGFR-2 activation is likely involved in hair follicle growth, survival, and development.
16 citations,
January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
35 citations,
August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
2 citations,
March 2023 in “BMC ecology and evolution” Some hair protein genes evolved early and were adapted for use in hair follicles.
100 citations,
December 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Researchers mapped and categorized specific keratin-associated protein genes on human chromosome 21q22.1.
109 citations,
September 2011 in “Human molecular genetics online/Human molecular genetics” New treatments targeting specific genes show promise for treating keratin disorders.
28 citations,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
1 citations,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
13 citations,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
6 citations,
January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
96 citations,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
13 citations,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
256 citations,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.