24 citations
,
May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
403 citations
,
November 2005 in “Journal of Endocrinology” Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.
December 2017 in “Elsevier eBooks” The vitamin D receptor helps maintain hair and bone health even without binding vitamin D.
11 citations
,
May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
11 citations
,
January 2017 in “Biochemical and biophysical research communications” 1α,25-dihydroxyvitamin D3 directly affects cartilage growth and development.
January 2025 in “Pakistan Journal of Health Sciences” The Cyp11a1 gene variation has a weak link to PCOS, but higher di-hydro-testosterone levels are found in PCOS patients.
218 citations
,
December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
4 citations
,
January 2010 in “Acta dermato-venereologica” Low androgen levels can still cause female pattern hair loss.
53 citations
,
May 1996 in “The Journal of Clinical Endocrinology & Metabolism” Different mutations in the 5 alpha-reductase-2 gene were found in affected individuals in the Dominican Republic, suggesting no common ancestry.
22 citations
,
January 2008 in “Physiological Research” Steroid sulfatase is important for activating hormones that affect memory, brain function, and certain diseases, and could be a target for treating hormone-related disorders.
August 2025 in “International Journal of Contemporary Pediatrics” HLD10 can include increased body hair and Mongolian spots.
2 citations
,
September 1992 in “Steroids” New A-homo-B, 19-dinor steroids showed strong antiandrogenic activity without affecting the enzyme 5α-reductase or androgen receptor binding.
26 citations
,
August 2009 in “Journal of Pediatric Gastroenterology and Nutrition” Hoyeraal-Hreidarsson syndrome in infants causes severe gastrointestinal issues.
179 citations
,
May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
232 citations
,
January 2002 in “Mechanisms of development” Different enzymes are active in different parts of developing mouse organs.
11-oxyandrogens are linked to excess hair growth in PCOS, but don't help diagnose it.
40 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
3 citations
,
December 2000 in “International Journal of Cosmetic Science” The study created a new method to test drugs that affect hormone processing in skin.
22 citations
,
January 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” A new method accurately measures nine specific hormones in human blood.
4 citations
,
February 2023 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” The study found that certain mutations in the vitamin D receptor can cause rickets and potentially affect hair growth.
53 citations
,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
1 citations
,
January 2003 in “Expert Opinion on Therapeutic Patents” Steroid sulfatase inhibitors could potentially treat hormone-related disorders like certain cancers, hair loss, acne, and improve cognitive dysfunction.
October 1990 in “Pediatric Research” Nocturnal calcium infusions improved a boy's severe rickets without causing hair loss.
510 citations
,
August 2006 in “Endocrinology” The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.
42 citations
,
April 2013 in “Steroids” Non-classic congenital adrenal hyperplasia is a common disorder causing symptoms like acne and infertility, and it's managed based on symptoms, not just test results. Treatment can improve fertility and reduce miscarriage risk.
2 citations
,
November 2024 in “JCEM Case Reports” Inhaled substances in e-cigarettes can cause hormone imbalances similar to congenital adrenal hyperplasia.
November 2023 in “Scientific reports” The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
65 citations
,
December 1986 in “The Journal of Clinical Endocrinology & Metabolism” The woman had a genetic condition causing high cortisol and androgen levels, treatable with dexamethasone.
January 2025 in “International Journal of Molecular Sciences” Non-liganded Vitamin D Receptor is crucial for healthy skin and hair.
8 citations
,
April 1991 in “European journal of endocrinology” 3α-AdiolG is a good marker for androgen activity in women with excessive hair growth and decreases with anti-androgen treatment.