The vitamin D receptor has many roles in the body beyond managing calcium, affecting the immune system, hair growth, muscles, fat, bone marrow, and cancer cells.
August 2017 in “Journal of pediatric surgery case reports” A toddler with a rare adrenal gland tumor causing male-like physical changes was successfully treated with surgery.
October 2023 in “Journal of the Endocrine Society” Machine learning identified three unique subtypes of androgen excess in women with PCOS, each with different metabolic risks.
11 citations
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February 2016 in “Current Medicinal Chemistry” New treatments for prostate cancer and BPH show promise, including novel compounds that target hormone synthesis and response.
September 2024 in “Journal of the American Academy of Dermatology” PRO-C22 can help diagnose and monitor the severity of hidradenitis suppurativa.
36 citations
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October 2009 in “Journal of Investigative Dermatology” Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.
August 2022 in “Frontiers in genetics” A new genetic change in the DSC3 gene is linked to a rare condition causing hair loss and skin blisters in a child.
22 citations
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April 2010 in “Journal of Cellular Biochemistry” Certain mutations in the hairless protein disrupt its ability to regulate the hair cycle.
18 citations
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June 2001 in “Journal of Investigative Dermatology” Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
July 2021 in “Advances in laboratory medicine” Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.
4 citations
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August 2010 in “Acta Biologica Hungarica” New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
13 citations
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November 2013 in “Journal of Endocrinology/Journal of endocrinology” Vitamin D receptor helps control hair growth genes in skin cells.
6 citations
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August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
57 citations
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February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
27 citations
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May 2002 in “The Journal of Clinical Endocrinology & Metabolism” Brothers of women with PCOS tend to have higher levels of a hormone called DHEAS, indicating a possible genetic link.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
2 citations
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September 2024 in “Animal Cells and Systems” Hepatitis B virus alters steroid hormones in male mice, reducing dihydrotestosterone to inhibit viral replication.
1 citations
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August 2015 in “PubMed” A woman with non-classic CAH had unusual heavy periods and high hormone levels, improved with treatment.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
9 citations
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March 1999 in “Der Hautarzt” Type 2 5α-reductase plays a key role in hair loss.
4 citations
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October 1988 in “Clinics in Dermatology” Dihydrotestosterone (DHT) is crucial for conditions like male-pattern baldness and acne, and measuring a byproduct, androstanediol glucuronide, is a better way to assess DHT's effects than DHT blood levels.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.
January 2025 in “JCEM Case Reports” Enzyme replacement therapy may help alleviate symptoms in complex cases like this.
8 citations
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March 2011 in “Endocrine” A new gene mutation causes vitamin D-resistant rickets and hair loss in two siblings.
1 citations
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February 2017 in “Journal of gynecology and womens health” The document concluded that more research is needed to understand how estrogen affects the enzyme involved in hirsutism development.
July 2024 in “Journal of Pediatric Endocrinology and Metabolism” Ovarian hyperthecosis should be considered in young women with severe male-like symptoms and can be managed with hormone treatments.
20 citations
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March 2017 in “Reproductive Biology and Endocrinology” Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.
56 citations
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December 2011 in “Steroids” The document suggests treating individuals with nonclassic congenital adrenal hyperplasia who show symptoms, especially those related to excess male hormones.
66 citations
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October 1987 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Measuring androstanediol glucuronide in blood is useful for assessing and tracking treatment in women with excessive hair growth.
39 citations
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September 2018 in “American Journal of Medical Genetics Part A” A new genetic mutation in the ODC1 gene causes developmental delay and other symptoms in a young girl.