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This study found that oral administration of Terminalia bellirica enhanced hair growth in testosterone-suppressed conditions in both human cell and mouse models, outperforming finasteride, a current commercial hair loss treatment.

This study found that hair and nails can effectively measure hormone changes such as testosterone, estrogen, and progesterone during the peripubertal period in dogs, with variations observed between males and females at specific developmental stages.

In this study, topical application of 45% robusta green coffee bean extract in male wistar rats did not significantly enhance hair growth but effectively inhibited the increase of 5α-reductase type 1 levels when exposed to testosterone.

This study found that Helianthus annuus oil promoted hair growth in a testosterone-induced alopecia mouse model, with higher hair density observed compared to untreated mice, though it was less effective than the standard minoxidil treatment.

This study investigated the effectiveness of a botanical formulation, Zauberӧl®, on testosterone-induced alopecia in Wistar rats, focusing on ingredients such as Arnica montana and Hibiscus Rosa sinensis. Results are not reported in the abstract.

In this study, Allium macrostemon Bunge extract was found to promote hair regrowth in a testosterone-induced androgenetic alopecia mouse model by activating Wnt/β-catenin signaling and boosting hair dermal papilla cell proliferation and growth factor expression.

This review outlines the role of testosterone in male sexual development and its therapeutic use for male hypogonadism, covering its biosynthesis, secretion, metabolism, and various biological actions, but does not report specific study results.

This article discusses the various administration methods and considerations for testosterone replacement therapy, highlighting the importance of individualized therapeutic monitoring and potential adverse effects, but reports no new clinical results.

This study found that an ethanolic extract of Ganoderma lucidum, especially at 15mg/kg, may promote hair growth in a rat model of testosterone-induced alopecia, showing effects comparable to minoxidil.

This study found a weak positive correlation between dihydrotestosterone levels and C-reactive protein in COVID-19 patients, particularly in those with low testosterone, suggesting potential inflammatory effects.

This book reviews current knowledge on testosterone, its functions, underlying mechanisms, and examines ethical and safety issues concerning its clinical and practical applications, without reporting new research findings.

This study identified downstream genes regulated by androgen receptor signaling in dermal papilla cells and suggests potential molecular targets for treating androgenetic alopecia and prostate cancer.

In this case study, biotin supplementation was reported to interfere with free testosterone assay results, leading to falsely low readings in a postmenopausal woman with hyperandrogenism.

This case study observed that unilateral oophorectomy may improve severe hyperandrogenism in adolescents with PCOS, even when imaging and SVS do not indicate neoplasm.

This abstract only provides a list of abbreviations and does not report any new research findings or results.

In this study of male patients with 46,XY 5α-reductase type 2 deficiency, DHT therapy was effective in achieving penile enlargement during infancy, while testosterone replacement therapy proved more beneficial during puberty, possibly due to increased conversion to DHT.

In this animal study, methanolic extract of *Cordia plathytyrsa* increased testosterone synthesis in male rats but had limited effects on metabolic parameters, while *Piptadeniastrum africanum* raised triglycerides and both extracts did not cause oxidative stress.

This study found that hair testosterone concentrations show some consistency over time, but factors like hair washing and individual growth rates influence these levels, suggesting the need for careful sampling and analysis adjustments.

This study found that methanolic extract of Cordia plathytyrsa increased testosterone levels in male rats but did not affect other evaluated metabolic parameters.

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

This study found that women with hirsutism in the Amassoma metropolis had higher levels of testosterone, cholesterol, and glucose compared to non-bearded women.

Low testosterone levels may lead to more severe COVID-19 outcomes.

This study found that testosterone levels are commonly low among men with type 2 diabetes, and most of these men exhibit symptoms of hypogonadism, with BMI being a significant risk factor.

This study reports that testosterone requires conversion to DHT and estradiol for its various actions on external genitalia and bone, influencing lean mass, muscle size, strength, and body fat in hypogonadal males.

This study found that testosterone enhances glucose-stimulated insulin secretion in male and female human islets through its conversion to DHT and E2, a process disrupted by 5α-reductase and aromatase inhibitors.

This study found that testosterone enhances glucose-stimulated insulin secretion in male and female human islets, requiring conversion to DHT and E2 via SRD5A1 and aromatase.

This review examines the development of cardiovascular risk factors related to testosterone levels in PCOS women and reports no new clinical results.

This study using Mendelian randomization suggests lifelong increased free testosterone in males may have beneficial effects such as increased bone mineral density and decreased body fat, but also increased risks of prostate cancer and hypertension.

This article discusses the FDA approval of bremelanotide for premenopausal women with hypoactive sexual desire disorder and reports no clinical results.

This case report describes the first known instance of a testosterone-secreting steroid cell ovarian tumor causing pulmonary embolism and erythrocytosis in a postmenopausal woman, highlighting its potential role as a rare cause of hypercoagulable state.