143 citations
,
September 2008 in “Experimental gerontology” Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.
86 citations
,
October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
9 citations
,
August 2014 in “European journal of ophthalmology” PGF2α receptors in human eyelids are found in specific parts of hair follicles, explaining eyelash changes with glaucoma treatment.
November 2025 in “Scientific Reports” COVID-19 may cause hair loss by affecting hair follicles.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.
13 citations
,
July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
2 citations
,
July 2024 in “International Journal of Molecular Sciences” Csdc2 helps hair growth in cashmere goats by regulating specific genes.
September 2025 in “BULLETIN OF STOMATOLOGY AND MAXILLOFACIAL SURGERY” Better supportive care is needed to manage chemotherapy side effects.
February 2019 in “International Journal of Dermatology and Clinical Research” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
5 citations
,
January 2016 in “Journal of Molecular Histology” Both main and alternative Wnt signaling are important for regrowing rodent whisker follicles.
May 2009 in “Hair transplant forum international” Androgens affect hair growth and shedding, with genetic and non-genetic factors influencing baldness.
22 citations
,
May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
25 citations
,
July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
34 citations
,
September 1997 in “Acta Dermato Venereologica” RXR agonists may promote hair growth in humans.
39 citations
,
April 1992 in “Development” Both cell and non-cell parts are important for rat whisker follicle regrowth.
3 citations
,
October 1994 in “Journal of Dermatological Science” The new antibody, TYHF-1, specifically targets certain hair-related structures.
58 citations
,
September 2019 in “EMBO Molecular Medicine” CDK4/6 inhibitors can protect hair cells from chemotherapy damage.
October 2025 in “Dermatologic Surgery” Twisted hair follicles can survive transplantation as well as intact ones.
5 citations
,
January 2021 in “Frontiers in Cell and Developmental Biology” Inhibiting Zyxin may help treat androgenetic alopecia by promoting hair growth.
19 citations
,
October 2017 in “European Journal of Pharmaceutics and Biopharmaceutics” The gel made of minoxidil and hydroxypropyl-β-cyclodextrin improves hair growth and is good for long-term use.
3 citations
,
October 2022 in “PloS one” Scientists have developed a method to keep chicken feather follicles alive and structurally intact in a lab for up to a week.
174 citations
,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
9 citations
,
April 2006 in “American Journal of Pathology” SGK3 is essential for proper hair growth and health.
211 citations
,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
15 citations
,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
8 citations
,
June 2019 in “Scientific Reports” Increased PPARGC1α relates to hair thinning in common baldness.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.