73 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
58 citations
,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
57 citations
,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D receptor is crucial for starting hair growth after birth.
52 citations
,
October 2004 in “Veterinary dermatology” Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.
40 citations
,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
34 citations
,
May 2013 in “Journal of the European Academy of Dermatology and Venereology” Hair growth slows and shedding increases after childbirth, but most women don't experience excessive hair loss.
24 citations
,
March 1995 in “British Journal of Dermatology” Etretinate therapy can cause hair loss by disrupting the hair growth cycle.
22 citations
,
February 2002 in “Journal of theoretical biology” The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.
18 citations
,
October 2014 in “Experimental Biology and Medicine” Eating vitamin A affects hair growth and health by changing cell signals in mice.
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.
14 citations
,
January 2018 in “Scientific reports” Bioluminescence imaging can track hair follicle cells and help study hair regrowth.
14 citations
,
June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
9 citations
,
January 2008 in “Acta histochemica et cytochemica” COX-2 levels change during the hair cycle and affect skin and hair growth.
9 citations
,
November 2007 in “Veterinary dermatology” Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.
7 citations
,
January 2001 in “Annales de zootechnie” Melatonin treatment increases wool production and improves fiber quality in angora rabbits.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
5 citations
,
July 2019 in “Research Square (Research Square)” Yak hair growth is influenced by genes and hormones, helping them adapt to alpine environments.
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.
3 citations
,
August 2020 in “International Journal of Molecular Sciences” Blocking Rab27a slows hair growth, while blocking Rab27b encourages it.
3 citations
,
June 2006 in “Expert Review of Dermatology” The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.
1 citations
,
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.
1 citations
,
September 2024 in “Frontiers in Cell and Developmental Biology” Pigs are a good model for studying human hair growth and disorders.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair follicles have a unique way of using energy and might use the Cori cycle; blocking CCR5 could help treat hair loss.
March 2016 in “Institutional Repositories DataBase (IRDB)” Collagen peptides may promote hair growth by activating certain genes in the skin.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
59 citations
,
September 2007 in “Biochemical and Biophysical Research Communications” The TRPV3 gene mutation affects hair growth by keeping mice in the growth phase longer, which could help treat hair loss.