research Steroidomics for Highlighting Novel Serum Biomarkers of Testosterone Doping
Monitoring steroid hormones in blood can better detect testosterone doping.
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research 11α-Hydroxyprogesterone, a Potent 11β-Hydroxysteroid Dehydrogenase Inhibitor, Is Metabolized by Steroid-5α-Reductase and Cytochrome P450 17α-Hydroxylase/17,20-Lyase to Produce C11α-Derivatives of 21-Deoxycortisol and 11-Hydroxyandrostenedione In Vitro
11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
research High Resolution Full Scan Liquid Chromatography Mass Spectrometry Comprehensive Screening in Sports Antidoping Urine Analysis
The method effectively detects banned substances in urine for sports antidoping.
research Indirect Clinical Markers for the Detection of Anabolic Steroid Abuse Beyond Conventional Doping Control in Athletes
New signs like changes in blood markers, physical symptoms, and behavioral shifts may help detect hidden steroid use in athletes.
research A New Look at the 5-Alpha-Reductase Inhibitor Finasteride
Finasteride treats enlarged prostate and hair loss, but may cause side effects in some patients.
research Repurposing Steroidogenesis Inhibitors for the Therapy of Neuropsychiatric Disorders: Promises and Caveats
Drugs for hormone-related conditions might help treat mental disorders but could have serious side effects.
research Progesterone Enhances Ethanol-Induced Modulation of Mesocortical Dopamine Neurons: Antagonism by Finasteride
Progesterone boosts alcohol's effect on brain, finasteride counters it.
research Neonatal Finasteride Administration Alters Hippocampal α4 and δ GABAAR Subunits Expression and Behavioral Responses to Progesterone in Adult Rats
research Adverse Side Effects of 5α-Reductase Inhibitors Therapy: Persistent Diminished Libido, Erectile Dysfunction, and Depression in a Subset of Patients
Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.
research Divergent Neuroactive Steroid Responses to Stress and Ethanol in Rat and Mouse Strains: Relevance for Human Studies
Stress and alcohol affect brain chemicals differently in rats, mice, and humans, influenced by genetic differences.
research Realizing the Therapeutic Potential of Neuroactive Steroid Modulators of the GABAA Receptor
Neuroactive steroids show promise for treating mental and neurological disorders by targeting GABA_A receptors.
research Towards The Validation Of Endogenous Steroid Testing In Wildlife Hair
Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
research Influence of Saw Palmetto and Pygeum Africana Extracts on the Urinary Concentrations of Endogenous Anabolic Steroids: Relevance to Doping Analysis
Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
research A Quantitative Ultra-Performance Liquid Chromatography High-Resolution Mass Spectrometry Analysis of Steroids from Human Scalp Hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
research AKR1D1 Regulates Glucocorticoid Availability and Glucocorticoid Receptor Activation in Human Hepatoma Cells
AKR1D1 controls glucocorticoid levels and receptor activity in liver cells.
research Preponderance of Serum and Intra-Hepatic 5α-Dihydrotestosterone in Males with Hepatocellular Carcinoma Despite Low Circulating Androgen Levels
Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
research Rare and Common Genetic Determinants of Metabolic Individuality and Their Effects on Human Health
Genetic variations greatly affect individual metabolism and can impact health and disease risk.
research A Randomized Placebo-Controlled Study on the Effects of Pioglitazone on Cortisol Metabolism in Polycystic Ovary Syndrome
Pioglitazone improved insulin sensitivity and altered cortisol metabolism in PCOS patients.
research Doping-Control Analysis of the 5α-Reductase Inhibitor Finasteride: Determination of Its Influence on Urinary Steroid Profiles and Detection of Its Major Urinary Metabolite
Finasteride affects urinary steroid profiles and can potentially hide steroid abuse in sports drug testing.
research Physiopathological Role of the Enzymatic Complex 5α-Reductase and 3α/β-Hydroxysteroid Oxidoreductase in the Generation of Progesterone and Testosterone Neuroactive Metabolites
The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
research Rat Steroid 5α-Reductase Kinetic Characteristics: Extreme pH-Dependency of the Type II Isozyme in Prostate and Epididymis Homogenates
The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
research Fadrozole And Finasteride Exposures Modulate Sex Steroid- And Thyroid Hormone-Related Gene Expression In Silurana (Xenopus) Tropicalis Early Larval Development
Fadrozole and finasteride change gene expression related to sex hormones and thyroid hormones in frog larvae development.
research The 5 Alpha-Reductase Isozyme Family: A Review of Basic Biology and Their Role in Human Diseases
The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
research Mechanism of Action of Bolandiol (19-Nortestosterone-3β,17β-Diol), a Unique Anabolic Steroid with Androgenic, Estrogenic, and Progestational Activities
Bolandiol, a synthetic steroid, builds muscle and bone without greatly affecting sex glands, and works differently from other hormones.
research Topical L-Thyroxine: The Cinderella Among Hormones Waiting to Dance on the Floor of Dermatological Therapy?
Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
research Determination of 19 Steroid Hormones in Human Serum and Urine Using Liquid Chromatography-Tandem Mass Spectrometry
The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
research Hirsutism and Virilization in the Female
The chapter explains the causes of excessive hair growth and masculinization in women and how to measure hormone levels related to these conditions.
research Bioavailability of Albumin-Bound Testosterone
Spironolactone treatment increases the amount of testosterone available in the body.
research Serial Hydrolysis for the Simultaneous Analysis of Catecholamines and Steroids in the Urine of Patients with Alopecia Areata
A new method was created to analyze certain chemicals in the urine of alopecia areata patients, revealing they have higher metanephrine content. This method can also be used for other related diseases.
research Novel Insights Into the Pathways Regulating the Canine Hair Cycle and Their Deregulation in Alopecia X
The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.