October 2025 in “Dermatology and Therapy” Ritlecitinib is being tested for effectiveness and safety in treating severe alopecia areata.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
38 citations
,
June 2019 in “International Journal of Molecular Sciences” Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.
14 citations
,
July 2021 in “Biomolecules” Centipeda minima extract helps hair grow by activating important growth signals and could be a promising hair loss treatment.
47 citations
,
August 2016 in “Fitoterapia” Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.
January 2024 in “Archives of dermatological research” Both treatments for alopecia areata showed similar modest effectiveness.
173 citations
,
January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
25 citations
,
March 2017 in “Archives of Dermatological Research” Sinapic acid may help hair growth by activating a specific cell pathway.
19 citations
,
January 2018 in “BioMed Research International” miR-195-5p reduces hair growth ability in cells by blocking a specific growth signal.
6 citations
,
March 2022 in “PLoS ONE” Centipedegrass extract may promote hair growth by activating certain cell pathways.
Ocu-miR-205 affects hair density in Rex rabbits by influencing cell processes and signaling pathways.
January 2024 in “International Journal of Pharmacognosy and Pharmaceutical Research” Plant molecules like caffeine and ginsenosides can boost hair growth naturally.
72 citations
,
April 2008 in “Organogenesis” Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.
25 citations
,
June 2021 in “Developmental Cell” Dying cells can help with faster healing and new hair growth by releasing a growth-promoting molecule.
19 citations
,
April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.
2 citations
,
November 2019 in “Cancer reports” The Wnt signaling pathway is not a major factor in the development of keratoacanthoma, a type of skin tumor.
1 citations
,
August 2024 in “Transgenic Research” Activated β-catenin affects hair growth and skin thickness, and changes are reversible.
January 2024 in “Journal of cellular immunology” Hair follicle stem cells are important for maintaining healthy skin and interact with many signals.
113 citations
,
June 2015 in “Stem Cell Research & Therapy” Wnt and Notch signaling help wound healing by promoting cell growth and regulating cell differentiation.
May 2015 in “Journal of Investigative Dermatology” Wnt-3a helps grow more skin stem cells, which could lead to new hair loss treatments.
508 citations
,
February 2007 in “Cell” Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.
43 citations
,
December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
3 citations
,
April 2010 in “Endocrinology” The mouse model suggests male pattern baldness may be due to an enzyme increasing DHT and higher androgen receptor levels in hair follicles.
245 citations
,
January 2018 in “Bone Research” TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.
132 citations
,
August 2012 in “Biochimica et Biophysica Acta (BBA) - General Subjects” TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.
87 citations
,
September 2014 in “International Journal of Molecular Sciences” FOXO1 is important for wound healing, but its dysfunction in diabetes can slow the healing process.
7 citations
,
June 2022 in “Czech Journal of Animal Science” Certain circular RNAs help cashmere goats grow more hair.
September 2022 in “Research Square (Research Square)” Increasing Rps14 helps grow more inner ear cells and repair hearing cells in baby mice.
384 citations
,
June 2005 in “Genes & development” β-catenin is essential for stem cell activation and proliferation in hair follicles.
28 citations
,
October 2019 in “Seminars in Cell & Developmental Biology” Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.