research Visual Vignette
The woman's symptoms and tests suggest her adrenal glands are producing too many male hormones.
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660-690 / 1000+ resultsresearch Sex hormone-binding globulin (SHBG) and androgen levels in women with androgenetic alopecia
The T/SHBG ratio may be a useful marker for androgen activity in women with androgenetic alopecia.
research Adrenal steroid precursors exert potent androgenic action in the hamster sebaceous glands of flank organs and ears.
Certain adrenal hormones can strongly stimulate oil gland growth in hamster skin, similar to male hormones.
research Association Between Trichoscopic Features and Serum Hormone Levels and Vitamin D Concentration in Patients with Androgenetic Alopecia in Eastern China: A Cross-Sectional Study
Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
research ESDR564 – Vertex and Occipital Intermediate and Terminal Hair Follicles from Androgenetic Alopecia Patients are Differentially Affected by Testosterone Ex Vivo
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research The Double Edge Sword of Testosterone’s Role in the COVID-19 Pandemic
Testosterone may influence COVID-19 severity and outcomes.
research Effects of hormonal treatment on dermatological outcome in transgender people: a multicentric prospective study (ENIGI)
Hormonal treatments can change hair and skin in transgender people, but may not fully achieve desired results.
research Androgen treatment in women
Testosterone therapy can help improve sexual function, mood, and bone density in women with low androgen levels, but more research is needed on long-term safety.
research Hormonal control of 5.ALPHA.-reductase activity in hamster sebaceous glands.
Androgens regulate 5 alpha-reductase activity in hamster sebaceous glands.
research Mechanisms of testosterone action
Testosterone works in different ways, including direct interaction with its receptor, conversion to other hormones for specific effects on genitalia, hair, bones, and muscle, and changes in body fat and sexual function when low.
research Obstructive Sleep Apnea Due to Endogenous Testosterone Production in a Woman
Removing a testosterone-producing tumor cured a woman's sleep apnea and other symptoms.
research Androgen Treatment in Women
Testosterone therapy can help postmenopausal women with low sexual desire but needs more safety research and should be used with estrogen therapy.
research Increase in testosterone metabolism in the rat central nervous system by formalin-induced tonic pain
Formalin-induced pain increases testosterone breakdown in the rat brain and spinal cord.
research Biomarkers of selenium status in dogs
Urinary Se to creatinine ratio, serum Se, and glutathione peroxidase are effective early biomarkers for selenium status in dogs.
research Effects of testosterone on mean arterial pressure and aquaporin (AQP)-1, 2, 3, 4, 6 and 7 expressions in the kidney of orchidectomized, adult male Sprague-Dawley rats
Testosterone raises blood pressure and changes kidney protein levels.
research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
research Histomorphology and Chemical Constituents of Interdigital Gland of Vembur Sheep, Ovis aries
The interdigital gland of Vembur sheep shows sex-based differences in size and chemical makeup, possibly affecting communication and disease protection.
research Epitestosterone—an endogenous antiandrogen?
Epitestosterone may act as a weak antiandrogen and can inhibit an enzyme involved in testosterone metabolism.
research Gonadal Function in Men with Cushing Syndrome
Cushing syndrome often causes low testosterone and sexual issues in men.
research Metabolism of androgens by isolated human beard hair follicles
Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
research Testosterone Induces Increase in Aquaporin (AQP)-1, 5, and 7 Expressions in the Uteri of Ovariectomized Rats
Testosterone increases certain proteins in the uterus, reducing fluid volume.
research Testosterone in COVID-19: An Adversary Bane or Comrade Boon
Testosterone's effects on COVID-19 are unclear and need more research.
research Sub-chronic testosterone treatment increases the levels of epithelial sodium channel (ENaC)-α,βandγin the kidney of orchidectomized adult male Sprague–Dawley rats
Testosterone increases certain kidney protein levels, potentially raising blood pressure.
research Determination of some sex hormones in health supplements by liquid chromatography with tandem mass spectrometry
The method detected sex hormones in some health supplements, with one containing banned testosterone.
research A rare case of an androgen-producing stromal luteoma of the ovary in a postmenopausal woman, diagnosed by means of selective venous blood sampling
Doctors used a special blood sampling technique to diagnose a woman's rare ovarian tumor that was producing male hormones.
research Supplementary data: Treatment of androgenetic alopecia with sublingual minoxidil in transgender people receiving testosterone
research Supplementary data: Treatment of androgenetic alopecia with sublingual minoxidil in transgender people receiving testosterone
research Supplementary data: Treatment of androgenetic alopecia with sublingual minoxidil in transgender people receiving testosterone
research The rationale for physiological testosterone replacement in women
Testosterone replacement may help post-menopausal women with androgen insufficiency, but more research is needed on its benefits and risks.