September 2025 in “International Journal of Cosmetic Science” Friction causes hair breakage during combing, and fragment count predicts hair strength.
81 citations
,
September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
77 citations
,
February 2001 in “Journal of Dermatological Science” HGF activator helps convert HGF to its active form, promoting hair growth.
57 citations
,
June 2003 in “American Journal of Physiology-cell Physiology” Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.
44 citations
,
May 1998 in “PubMed” The retinoid receptor antagonist effectively disrupts vitamin A-related development in embryos.
42 citations
,
December 2016 in “Cell Death & Differentiation” Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.
40 citations
,
January 1994 in “Skin Pharmacology and Physiology” Male hormones affect oil-producing skin cells differently based on their body location, and the drug spironolactone can reduce these effects.
36 citations
,
April 2018 in “Journal of Investigative Dermatology” Macrophages help hair growth after injury through CX3CR1 and TGF-β1.
28 citations
,
October 1987 in “PubMed” Lithium temporarily stops cell division in plant cells, but this can be reversed with certain chemicals.
23 citations
,
November 2015 in “Phytotherapy Research” Certain herbal compounds, especially from bitter melon, can inhibit cancer growth and promote hair growth by blocking PAK1.
17 citations
,
December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
16 citations
,
March 2019 in “Experimental dermatology” Injury changes how hair follicle stem cells behave, depending on the hair growth stage.
13 citations
,
December 2018 in “Development, Growth & Differentiation” Sex hormones, especially estradiol, can change chicken feather shapes and colors.
9 citations
,
August 2021 in “Biomedicines” 17β-estradiol boosts APE1/Ref-1 secretion in cells and mice via a calcium-dependent pathway.
September 2025 in “Lasers in Medical Science” August 2025 in “JAAD International” Bicalutamide may take longer to work for female hair loss, and higher doses might be needed.
May 2025 in “Nonlinear Analysis Real World Applications” Reducing CD8+ T cell growth can stabilize alopecia areata.
January 2025 in “SSRN Electronic Journal”
August 2024 in “Plant Signaling & Behavior” OsPRX83 helps rice survive stress by improving stress response and antioxidant activity.
November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking TYK2 might be a new way to treat hair loss from alopecia areata.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Particulate matter causes inflammation in hair cells, potentially harming hair growth.
August 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Normal cells outcompete and remove mutant cells in the pancreas with the help of the EphA2 receptor.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Mouse skin glands need healthy nerves to grow properly during hair growth phases.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain immune cells, when activated by specific signals, can encourage hair growth.
IL-1 and IL-7 help activate cells that boost hair follicle stem cell growth, aiding wound healing.
IL-1 signaling is crucial for hair follicle stem cell growth and wound healing.
January 2010 in “Bradford Scholars (University of Bradford)” MicroRNAs are crucial for hair growth and skin balance.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
52 citations
,
May 2011 in “APOPTOSIS” Hydroxyl radicals cause hair follicle cell death during chemotherapy by reducing Bcl-2 protein levels.
11 citations
,
November 2014 in “Behavior Genetics”