May 2022 in “Hormones and behavior” Prairie dogs with fewer neighbors are more stressed but their number of babies isn't affected.
January 2008 in “HAL (Le Centre pour la Communication Scientifique Directe)” The mutant HR bmh protein affects hair follicle formation by failing to repress vitamin D receptor activity.
Hair growth is maintained by specific cell signals.
May 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A balance between BMP and Wnt signals is crucial for hair follicle stem cell function and hair growth.
March 2025 in “American journal of biochemistry & biotechnology/American journal of biochemistry and biotechnology” Higher levels of certain hormones and lower levels of minerals may contribute to hair loss.
10 citations
,
February 2017 in “European journal of neuroscience/EJN. European journal of neuroscience” The availability of certain hormones and specific stimulation patterns affect long-term synaptic changes in the male rat brain.
10 citations
,
August 2013 in “Experimental Dermatology” Hairless protein and putrescine regulate each other, affecting hair growth and skin balance.
February 2026 in “South Asian Research Journal of Biology and Applied Biosciences” Alopecia areata patients have higher hormone levels, suggesting hormonal screening could help in treatment.
71 citations
,
January 2015 in “Journal of molecular cell biology/Journal of Molecular Cell Biology” mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.
83 citations
,
July 2004 in “Pharmacology Biochemistry and Behavior” Higher 3α,5α-THP levels in the brain may reduce depression in pregnant rats.
127 citations
,
December 2005 in “Experimental Dermatology” Stress can stop hair growth in mice, and treatments can reverse this effect.
23 citations
,
June 2016 in “Journal of Veterinary Internal Medicine” Cats can have hypersomatotropism without diabetes, suggesting current diagnosis methods may miss cases.
August 2006 in “Experimental dermatology” New treatments targeting insulin, blood flow, and inflammation could improve hormone-related hair conditions with fewer side effects.
10 citations
,
January 1987 in “PubMed” Thyroid hormone and epidermal growth factor affect hair angle, tooth eruption, and ear development in rats.
14 citations
,
June 2022 in “Neuroscience” 176 citations
,
January 2013 in “Proceedings of the National Academy of Sciences” BMP and Wnt signaling balance controls hair follicle stem cell activity and hair growth.
59 citations
,
February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
4 citations
,
February 2025 in “GeroScience” Increasing neuropeptide Y in the brain can slow aging signs in mice.
53 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
22 citations
,
March 2021 in “European journal of endocrinology” Primary amenorrhea and delayed puberty in females can be diagnosed and managed effectively.
31 citations
,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
January 2025 in “Fitoterapia” Signaling pathways are key targets for developing effective drugs.
April 2023 in “Journal of The American Academy of Dermatology” Some drugs linked to growth hormones may increase the chance of hair loss in women.
5 citations
,
October 2013 in “Experimental Dermatology” The commentary explains that a balance of HR protein and putrescine is important for normal hair growth.
99 citations
,
January 2004 in “Progress in brain research” Neurotrophins are important for hair growth and could help treat hair loss.
February 2026 in “Brazilian Journal of Implantology and Health Sciences” Chronic stress and high cortisol levels can cause hair loss by disrupting hair growth.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
1 citations
,
November 2024 in “IntechOpen eBooks” Sex steroid hormones are essential for reproductive health and overall well-being.
7 citations
,
January 1971 in “Archives of Dermatological Research” 37 citations
,
December 2001 in “Journal of Investigative Dermatology” Leptin may play a role in hair growth and hair follicle health.