21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
April 2026 in “Communications Biology” The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
52 citations
,
May 2011 in “APOPTOSIS” Hydroxyl radicals cause hair follicle cell death during chemotherapy by reducing Bcl-2 protein levels.
16 citations
,
September 2008 in “Dermatologic Therapy” CAH is a genetic disorder affecting cortisol production and causing hormonal imbalances, with treatment and diagnosis varying by form and symptoms.
Women with androgenetic alopecia have normal levels of most blood steroids and binding proteins, but higher dehydroepiandrosterone. Some also have low "sex hormone-binding globulin" and "corticosteroide-binding globulin" capacity, and high "free androgen index" and "free cortisol index". Diane treatment can normalize these levels and improve hair conditions.
Hypoxic preconditioning helps human hair follicle stem cells survive oxidative stress.
14 citations
,
July 2016 in “Journal of Endocrinology” The equine epididymis mainly uses type 1 5α-reductase, and both finasteride and dutasteride can inhibit its activity.
2 citations
,
August 2019 in “PubMed” A specific enzyme that activates the hair growth medication minoxidil when applied to the skin was identified.
193 citations
,
August 1985 in “Endocrinology” Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
3 citations
,
February 2013 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” A 6-year-old boy developed excessive hair growth after taking diazoxide for low blood sugar.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
December 2024 in “Journal of Clinical Research in Pediatric Endocrinology” 21-hydroxylase deficiency causes hormone imbalances leading to various symptoms, and diagnosis involves clinical and genetic tests.
February 2026 in “International Journal of Molecular Sciences” 3-Hydroxypropionic acid may help treat hair loss by promoting hair growth in cells.
13 citations
,
January 2015 in “Steroids” The study created a model to help design new inhibitors for steroidal 5α-reductase enzymes.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
251 citations
,
October 2014 in “The Journal of Clinical Endocrinology & Metabolism” The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.
2 citations
,
January 1968 in “PubMed” Sulfur-containing radioprotectors can protect hair from X-ray damage if given before exposure but worsen damage if given after.
December 2022 in “Scientific Reports” Compound 4 is a promising treatment for hair loss with low toxicity.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
June 2023 in “Journal of personalized medicine” Androgen treatment with dihydrotestosterone may help maintain height in patients with 5-α-reductase type 2 deficiency, especially before puberty.
147 citations
,
April 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride safely lowers DHT levels without affecting testosterone.
53 citations
,
July 2014 in “American Journal of Physiology-Endocrinology and Metabolism” Testosterone boosts red blood cell production and changes iron metabolism without needing dihydrotestosterone.
24 citations
,
February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
9 citations
,
March 1999 in “Der Hautarzt” Type 2 5α-reductase plays a key role in hair loss.
April 2025 in “Molecular Biology Reports” DNMT1 may help treat hypospadias by improving cell function and preventing unwanted cell changes.
8 citations
,
January 2011 in “Collection of Czechoslovak Chemical Communications” Researchers developed a sensitive method to measure minoxidil in various products with high accuracy.
6 citations
,
December 2021 in “Scientific Reports” Inhibiting class I HDACs helps maintain hair growth ability in skin cells.
2 citations
,
January 2017 in “Case reports in endocrinology” Ashwagandha root improved symptoms of nonclassic 11-hydroxylase deficiency in an elderly woman.
2 citations
,
November 2017 in “Biotechnology Letters” Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
202 citations
,
August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.