27 citations
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January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
26 citations
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February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
January 2012 in “Human health handbooks” The skin produces and uses vitamin D for bone health, cell growth, and immune function.
72 citations
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January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
February 2023 in “Reactions Weekly” 29 citations
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June 2000 in “Endocrinology” Alopecia in VDR knockout mice is due to impaired hair cycle initiation, not keratinocyte issues.
January 2022 in “Asian journal of Current Research in Clinical Cancer” Some dibenzo compounds might help treat cancer with fewer side effects.
25 citations
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September 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride inhibits enzyme activity in rhesus macaques, suggesting they're useful for evaluating similar drugs.
November 2022 in “Journal of the Endocrine Society” A boy with a new NR5A1 gene mutation has a sex development disorder without affecting his adrenal glands.
15 citations
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October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
44 citations
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August 2004 in “Journal of Investigative Dermatology” A gene deletion in DSG4 causes sparse hair in some Pakistani families.
March 2010 in “The Journal of Urology” Methylation of the 5-AR2 gene may cause resistance to Finasteride in BPH patients.
20 citations
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July 2017 in “Scientific Reports” A single amino acid change in the vitamin D receptor can disrupt its function and lead to hair loss.
29 citations
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July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
31 citations
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January 2017 in “Advances in Experimental Medicine and Biology” Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
6 citations
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August 2013 in “한국응용생명화학회지” Certain natural compounds can block an enzyme linked to prostate enlargement and hair loss, showing potential for new treatments.
April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor caused high male hormone levels, but surgery fixed it.
RXR and RAR proteins in skin may help with cell growth, hair growth, and gland function.
27 citations
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December 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Dexamethasone may cause hair loss by stopping cell growth.
12 citations
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March 1995 in “Journal of the American Chemical Society” Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.
168 citations
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January 2005 in “Journal of Investigative Dermatology” Male and female mice have different skin thickness, and hormones affect their skin and hair growth differently.
August 2023 in “Dermatology Reports” Acne not improved by usual treatments may indicate a genetic disorder.
April 2019 in “Journal of Investigative Dermatology” DPP4-positive fibroblasts play a major role in producing proteins that lead to skin fibrosis.
24 citations
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October 1994 in “Fertility and Sterility” People with hair loss may have different levels of certain hormones due to changes in hormone processing.
November 2017 in “JAMA internal medicine” Women also use 5α-reductase inhibitors, and their effects differ from men.
April 2018 in “Journal of Investigative Dermatology” DNMT3A is crucial for healthy skin and hair growth.
March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
72 citations
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November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
104 citations
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January 2005 in “Climacteric” Drospirenone is a unique progestin with anti-water retention and potential blood pressure benefits, used in birth control and hormone therapy.