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This case study reports that hormonal imbalances in a young boy with precocious pseudopuberty returned to normal after the removal of a testicular interstitial cell tumor, with normal spontaneous puberty following.

This study found that Lespedeza cuneata aqueous extract reduced serum dihydrotestosterone levels and 5α-reductase mRNA expression in testosterone-induced prostatic hyperplasia in rats, suggesting potential as a treatment for prostatic hyperplasia.

This case report describes a functional adrenocortical oncocytoma that co-secreted testosterone and cortisol.

This review suggests that oocyte retrieval may be viable for transgender men on testosterone therapy, with potentially manageable effects on fertility preservation without requiring extensive hormone suspension.

This study found that obesity in PCOS women with biochemical hyperandrogenemia lowers androstenedione levels and increases the testosterone to androstenedione ratio, but this was not observed in women with clinical hyperandrogenemia or in controls.

This study found that testosterone propionate increased hair mass in female hamsters' flank organs, while cyproterone acetate applied topically reduced androgen-stimulated hair in a dose-dependent manner.

This article discusses whether testosterone's metabolism to 5α-dihydrotestosterone is necessary for androgenic effects in the skin but reports no new experimental results.

In this study, topical EGCG significantly reduced testosterone-induced hair loss and follicular apoptosis in mice, without altering testosterone or dihydrotestosterone concentrations.

This study determined that a total testosterone concentration of ≥5.1 nmol/L identified androgen-producing tumors in women with severe hyperandrogenemia, while a lower threshold of ≥2.2 nmol/L was found for diagnosing pathologic hyperandrogenism in postmenopausal women.

This study found that progesterone levels were higher and increased significantly throughout pregnancy, contrasting with stable levels in non-pregnant women.

This study found that a new hydrogel formulation of basic fibroblast growth factor showed promise in promoting hair regrowth and reducing inflammation in testosterone-treated mice.

This study in male mice found that testosterone provides strong protection against skin necrosis after ischemia, working through its estrogenic and androgenic derivatives to enhance skin survival and revascularization, with 17β-estradiol being notably more effective than dihydrotestosterone.

Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.

This report introduces a mouse model with androgen-dependent alopecia, suggesting it as a potential alternative for studying hair loss mechanisms and testing treatments.

This study found that formalin-induced pain in rats nearly eliminates testosterone in the brain and spinal cord by likely increasing 5α-reductase activity, but normalizes serum levels after 24 hours.

Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.

In this study, testosterone and certain metabolites were highly effective in promoting sebaceous structure growth in the female hamster flank organ, while others had limited or no effect.

Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.

In this study, testosterone and dehydroepiandrosterone in children's hair were strongly correlated, supporting hair as a potential method for measuring these hormones.

This study found that variations in sleep patterns, free testosterone, and 5-alpha-reductase type 1 activity are associated with changes in sebum excretion in women, which may contribute to variability in acne studies.

Finasteride significantly reduces DHT levels in male dogs without affecting testosterone levels, suggesting it could be used to treat benign prostatic hypertrophy in dogs weighing 10 to 50 kilograms.

High doses of cyclosporine A increase testosterone conversion, possibly boosting hair growth.

This study found that men with early-onset androgenetic alopecia and certain risk factors may have worse gonadal steroidogenesis and an increased likelihood of developing gonadal dysfunction, suggesting a male equivalent of polycystic ovarian syndrome.

In this study, PGD2 was shown to increase testosterone production in human keratinocytes through reactive oxygen species, suggesting potential benefits of antioxidants like N-acetyl-cysteine for AGA patients.

In this study, testosterone was reported to increase aquaporin levels and water reabsorption in the kidneys of male rats, potentially leading to higher blood pressure, with effects mitigated by flutamide and finasteride.

This study found that canine dermal papilla cells and fibroblasts metabolize androgens differently than human hair follicle cells, indicating species-specific differences in androgen metabolism.

Testosterone, DHT, and estradiol significantly affect hair cell growth.

In this study, prolonged intravenous Fenoterol infusion was associated with intensive hair growth in most patients, although hormonal changes typically linked to such effects were not observed.

This study reported that the n-butanol fraction of Perilla frutescens extract, particularly rosmarinic acid, showed potential for hair regrowth and anti-androgenic activity in male mice, suggesting it as a possible treatment for androgenetic alopecia.

This study found that KH053, combining Panax ginseng and bee-pollen, significantly reduced prostate weight and DHT levels, inhibiting BPH development in a rat model.