research Epitestosterone
Epitestosterone may counteract testosterone's effects and has roles in body processes like prostate growth and hair distribution.
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180-210 / 1000+ resultsresearch New Synthesis of Methyl 3β-Hydroxy-5-androstene-17β-carboxylate
A new method was developed to make a compound used in finasteride and epristeride with a 69% yield.
research Testosterone-stimulated weanlings as an alternative to castrated male rats in the Hershberger anti-androgen assay
Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
research Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research Antihormonal properties of some new A-homo-B, 19-dinor steroids of the androstane series
New A-homo-B, 19-dinor steroids showed strong antiandrogenic activity without affecting the enzyme 5α-reductase or androgen receptor binding.
research Safety aspects of androgen treatment with 5α-dihydrotestosterone
DHT is a strong androgen that may pose less risk to the prostate compared to testosterone.
research Expression of type 1 5α-reductase and metabolism of testosterone in reconstructed human epidermis (SkinEthic®): a new model for screening skin-targeted androgen modulators
The study created a new method to test drugs that affect hormone processing in skin.
research Identification of xenobiotics interfering with 5 α -reductase (SRD5A2) activity
MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
research Analysis of Methyltestosterone and Testosterone Propionate in Dried Blood Spots After Transdermal Application
The method effectively detects MeT and TP in dried blood spots after cream application.
research Disruption of androgen metabolism, regulation and effects : involvement of steroidogenic enzymes
Anabolic steroids and inflammation can disrupt androgen metabolism, potentially causing health issues.
research Reproductive and Nonreproductive Actions of Testosterone
Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
research Azasteroids as inhibitors of testosterone 5α-reductase in mammalian skin
Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
research [Proliferation behavior of the anagen hair bulb in androgenetic alopecia before and after local administration of 17 alpha- propylmesterolone–DNA flow cytophotometry studies].
Topical 17 alpha-propylmesterolone increases hair cell growth in androgenetic alopecia.
research Activity of steroid 4 and derivatives 4a–4f as inhibitors of the enzyme 5α-reductase 1
Compounds 4, 4b, and 4c effectively inhibit an enzyme linked to testosterone conversion without significant toxicity.
research Aromatase-independent testosterone conversion into estrogenic steroids is inhibited by a 5α-reductase inhibitor
Combining 5α-reductase and aromatase inhibitors may better reduce estrogen levels.
research Synthesis and in Vitro Evaluation of 4-Substituted N-(1,1-Dimethylethyl)-3-oxo-4-androstene-17.beta.-carboxamides as 5.alpha.-Reductase Inhibitors and Antiandrogens
The new compounds moderately block a specific enzyme and strongly counteract a male hormone, suggesting potential for treating certain male-related health conditions.
research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production
Testosterone's muscle-building effects do not require its conversion to DHT.
research Transmasculine Hormone Therapy
Testosterone therapy for transmasculine individuals is generally safe with medical supervision, improves mental health, and has mixed effects on physical health.
research MP09-17 METHYLATION OF SRD5A2 IN THE BLOOD AS A NOVEL BIOMARKER TO PREDICT SENSITIVITY TO 5-ARI TREATMENT
SRD5A2 methylation in blood can predict how well someone will respond to finasteride treatment.
research 5α-reduction of epitestosterone is catalysed by human SRD5A1 and SRD5A2 and increases androgen receptor transactivation
5α-reductases increase epitestosterone's effect on androgen receptors.
research The differences between aromatizable and non-aromatizable androgens in relation to body composition and metabolic syndrome risk factors in men
Testosterone and dihydrotestosterone have similar effects on body composition and metabolic health in men.
research Detectability of oxandrolone, metandienone, clostebol and dehydrochloromethyltestosterone in urine after transdermal application
Transdermal exposure to certain steroids can be detected in urine for up to 14 days.
research Pharmacological Profile of 9,11-Dehydrocortexolone 17α-Butyrate (CB-03-04), a New Androgen Antagonist with Antigonadotropic Activity
CB-03-04 shows promise as a treatment for prostate issues due to its strong anti-androgen effects.
research Improved 2α-Hydroxylation Efficiency of Steroids by CYP154C2 Using Structure-Guided Rational Design
Mutants of CYP154C2 enzyme significantly improved steroid conversion efficiency.
research (282) CONSEQUENCES OF ANABOLIC-ANDROGENIC STEROID ABUSE IN MALES: RESULTS FROM A META-ANALYSIS STUDY
Anabolic-androgenic steroids harm male hormone levels, sperm, metabolism, and can cause acne, hair loss, and breast growth.
research Epigenetic Effects of Gender-Affirming Hormone Treatment: A Pilot Study of the ESR2 Promoter’s Methylation in AFAB People
Testosterone treatment may change estrogen receptor methylation in AFAB individuals.
research New approach to 3-oxo-4-aza-5α-androst-1-ene-17β-(--butylcarboxamide)
A new method was developed to make finasteride for treating hair loss.
research Synthesis of N-Substituted 3-Oxo-17b- carboxamide-4-aza-5a-androstanes and the Tautomerism of 3-Oxo-4-aza-5-androstenes
Researchers made two new compounds that could be used for medicine.
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma
The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
research Nanomilled Oral Testosterone Plus Dutasteride Effectively Normalizes Serum Testosterone in Normal Men With Induced Hypogonadism
A combination of nanomilled oral testosterone and dutasteride normalized testosterone levels in men with low testosterone and is safe for short-term use.