8 citations
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January 1991 in “European Urology” This study found that the 5α-steroid metabolite profile in men with inherited 5α-reductase deficiency is similar to those taking the drug finasteride, suggesting the gene affects multiple steroid substrates.
13 citations
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October 2002 in “Journal of Biochemical and Biophysical Methods” This study found that men with androgenic alopecia had significantly higher levels of certain urinary steroid metabolites, suggesting increased 5 alpha-reductase activity and possible mild hyperadrenal activity.
54 citations
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November 1995 in “The Journal of Clinical Endocrinology & Metabolism” In this study, females with 5 alpha-reductase-2 deficiency exhibited decreased body hair, normal sebum production, and delayed menarche, suggesting a role for DHT in hair growth and menstrual function.
January 2024 in “Journal of the Endocrine Society” In this study, correlations between urinary and serum androgen metabolites were examined in girls aged 6-13, revealing that summed urinary metabolites strongly correspond with circulating androstenedione and testosterone levels, though individual variations depend on participant characteristics such as age and body measurements.
16 citations
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May 2013 in “Urology” The authors concluded that components of metabolic syndrome were strongly associated with severe lower urinary tract symptoms in Latin American men, while alopecia was not an independent predictor.