January 2026 in “British Journal of Dermatology” Caffeine and DMG increase calcium influx in hair follicle cells without being toxic.
104 citations
,
December 2004 in “Journal of Neurochemistry” Androgens help motor neurons grow by increasing neuritin.
January 2022 in “Social Science Research Network” Pyruvate Kinase M2 helps hair grow by linking energy production and a key hair growth pathway.
June 2021 in “Research Square (Research Square)” Melatonin can increase cashmere yield by altering gene expression and restarting the growth cycle early.
August 1993 in “Journal of Dermatological Science” September 2022 in “Research Square (Research Square)” 5% topical minoxidil improves hair density and quality in monilethrix patients.
October 2024 in “Journal of the Endocrine Society” Gender-affirming hormone therapy affects metabolism differently based on treatment type.
January 2023 in “Advanced Biology” DNA methylation changes affect gene expression during esophageal healing with silk grafts in rats.
53 citations
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May 1990 in “Journal of Dermatology” Minoxidil speeds up hair growth in rats without prolonging growth phase.
November 2025 in “Journal of Microbiology and Biotechnology” Pea sprout extract may help hair regrow by reducing stress and inflammation.
4 citations
,
February 2016 in “Clinical Pharmacology & Therapeutics” Hair follicle samples effectively show how well the drug MK-0752 targets and engages with the Notch pathway.
Some factors can either promote or inhibit hair growth.
31 citations
,
November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
2 citations
,
April 2022 in “Research Square (Research Square)” Activating PKM2 and Wnt/β-catenin signaling together can potentially enhance hair growth and could be a treatment for hair loss.
12 citations
,
February 1986 in “PubMed” Injecting newborn mice with a niacin blocker caused skin, gut, and brain damage similar to human pellagra.
9 citations
,
July 2021 in “Journal of Medicinal Food” Lactobacillus paracasei HY7015 helps hair grow in mice.
16 citations
,
May 2000 in “Endocrinology” A new gene, mrp4, is found in mice and may play a unique role in hair follicle development in tails and ears.
4 citations
,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
August 2012 in “Open Repository and Bibliography (University of Liège)” A castrated dog developed hair loss and prostate issues from long-term exposure to estrogen cream.
17 citations
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October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
1 citations
,
October 2022 in “Research Square (Research Square)” Melatonin helps improve Cashmere goat hair quality by promoting hair follicle growth through a specific cell signaling pathway.
January 2000 in “Medical Entomology and Zoology”
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.
RCS-01 cell therapy is safe and improves skin gene expression.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
11 citations
,
March 2014 in “Journal of Investigative Dermatology” Genetic mutation and carcinogen treatment are both needed for skin cancer to develop in these specific mice.
39 citations
,
November 2007 in “Journal of Histochemistry & Cytochemistry” NG2 is crucial for normal skin and hair development in mice.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
1 citations
,
January 2021 in “SSRN Electronic Journal” Transplanted hair follicles can improve and remodel mature scars.
3 citations
,
January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.