The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
291 citations,
October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
173 citations,
January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
66 citations,
April 2016 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
49 citations,
January 2010 in “Journal of Investigative Dermatology” Thyroid function affects skin health, with a complex interaction between the two.
48 citations,
February 2010 in “Molecular biology reports” KAP7.1 and KAP8.2 genes are crucial for cashmere quality in goats.
31 citations,
May 2013 in “Gene” Signaling pathways are crucial for hair growth in goats.
25 citations,
January 2020 in “Genomics” Cashmere and milk goats have different hair growth cycles and gene expressions, which could help improve wool production.
24 citations,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
19 citations,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
13 citations,
December 2018 in “Development, Growth & Differentiation” Sex hormones, especially estradiol, can change chicken feather shapes and colors.
11 citations,
August 2012 in “Experimental dermatology” Innate immunity genes in hair follicle stem cells might have new roles beyond traditional immune functions.
11 citations,
February 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
9 citations,
December 2017 in “The Journal of Allergy and Clinical Immunology” New targeted therapies for hair loss from alopecia areata show promise, with personalized treatment expected in the future.
2 citations,
December 2020 in “Frontiers in genetics” Researchers found genes linked to feather growth speed in Shouguang chickens, highlighting two genes that might explain differences in feathering.
1 citations,
June 2023 in “Genes” Hair loss from Alopecia Areata is caused by both genes and environment, with several treatments available but challenges in cost and relapse remain.
1 citations,
December 2011 Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Prss53 affects hair shape and bone development in rabbits.
January 1989 in “Clinical and Experimental Dermatology” The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
293 citations,
November 2011 in “Nature” The circadian clock affects skin stem cell behavior, impacting aging and cancer risk.
67 citations,
December 2019 in “PloS one” Beta-caryophyllene helps improve wound healing in mice, especially in females.
11 citations,
November 1998 in “Journal of dermatological science” Knocking out certain genes in mice helps understand skin and hair growth problems.
9 citations,
July 2021 in “Frontiers in Pharmacology” Cholesterol-modified siRNAs targeting certain genes increased hair growth in mice.
3 citations,
April 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Beta-caryophyllene, found in essential oils, helps wounds heal better in multiple ways.
17 citations,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
28 citations,
October 2013 in “Journal of Investigative Dermatology” The document concludes that dermal papilla cells are key for hair growth and could be used in new hair loss treatments.
June 2023 in “International journal of molecular sciences” Heat stress changes goats' skin and hair at the microscopic level and affects their genes and skin bacteria.
May 2021 in “Journal of Investigative Dermatology” Stem cells control their future role by changing ERK signal timing, affecting tissue regeneration and cancer.