May 2006 in “Women's Health Medicine” Excessive hair growth in women, often from high androgen levels, is usually caused by PCOS, and can be treated with hair removal, medication, and possibly weight loss.
24 citations,
March 2022 in “Frontiers in plant science” Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
53 citations,
January 2006 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Reduced AR gene methylation may cause early pubic hair growth in girls.
1 citations,
September 2017 in “Journal of Investigative Dermatology” Blocking a specific enzyme can reduce the negative impact of stress hormones on hair growth cells.
9 citations,
July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
102 citations,
July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
19 citations,
October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
6 citations,
January 1984 in “PubMed” Spironolactone treatment reduced hair growth and androgen levels in hirsute women, but the overall effectiveness was just adequate.
Exosomes from certain stem cells can promote hair growth and counteract hair loss caused by hormones by regulating growth factors and other cellular signals.
1 citations,
January 1986 in “Journal of Steroid Biochemistry” Women with excessive hair growth or polycystic ovary disease may more often carry a gene variant for 21 hydroxylase deficiency.
27 citations,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
43 citations,
May 1988 in “British Journal of Dermatology” Patients with acanthosis nigricans often have insulin resistance and signs of increased male hormones, but treatment targeting these male hormones is generally ineffective.
November 2022 in “Journal of the Endocrine Society” A woman's masculine features were caused by a rare ovarian tumor that produced male hormones.
3 citations,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
May 2017 in “bioRxiv (Cold Spring Harbor Laboratory)” The peach gene pCTG134 helps control the interaction between auxin and ethylene hormones during fruit ripening.
2 citations,
March 2011 in “Hair transplant forum international” Female pattern hair loss involves hair follicles shrinking, influenced by hormones like melatonin and prolactin.
11 citations,
January 1985 in “Archives of Dermatology” Topical antiandrogens might treat skin issues like hair growth, balding, and acne, but finding effective treatments without side effects is challenging.
3 citations,
May 2014 in “InTech eBooks” Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.
1 citations,
September 2013 in “Elsevier eBooks” Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.
24 citations,
July 2011 in “PubMed” Thyroid hormones affect skin texture, hair and nail growth, and can cause skin diseases related to thyroid problems.
Different hair growth phases affect how follicles respond to X-rays, and hormones like testosterone and dihydrotestosterone play a key role in baldness; transplanted hair can grow on bald scalp areas.
26 citations,
November 2011 in “Arquivos Brasileiros De Endocrinologia E Metabologia” Diagnosing PCOS in teenagers should focus on signs of excess male hormones and not rely solely on ovarian ultrasound or irregular periods, and should be reassessed in adulthood.
51 citations,
May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
1744 citations,
August 2006 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic Ovary Syndrome should be seen mainly as a condition of excess male hormones, with a focus on this in its definition.
December 2023 in “Scientific Reports” Scientists created cell lines from balding patients and found that cells from the front of the scalp are more affected by hormones that cause hair loss than those from the back.
1 citations,
June 2021 in “Journal of pharmacopuncture” CBD may help restore hair growth-related protein levels in alopecia caused by hormones or other factors.
May 2020 in “International journal of molecular biology” Mutations in the AR gene cause hair thinning and loss.
62 citations,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.