research Identification of xenobiotics interfering with 5 α -reductase (SRD5A2) activity
MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
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270-300 / 1000+ resultsresearch Identification of xenobiotics interfering with 5
research Impact of One-Week Administration of Dihydrotestosterone in Rat Anterior Pituitary Gland
Dihydrotestosterone changes some hormone-related gene expressions in rat pituitary glands but doesn't affect the estrous cycle.
research Elevated ornithine decarboxylase activity promotes skin tumorigenesis by stimulating the recruitment of bulge stem cells but not via toxic polyamine catabolic metabolites
Increased ODC activity leads to skin tumors by recruiting stem cells, not by toxic byproducts.
research Induction of ornithine decarboxylase in specific subpopulations of murine epidermal cells following multiple exposures to 12-O-tetradecanoylphorbol-13-acetate, mezerein and ethyl phenylpropriolate
TPA strongly increases ODC activity in certain skin cells, potentially aiding tumor growth.
research Dihydrotestosterone, and Not Testosterone, Enhances the LPS-Induced Inflammatory Cytokine Gene Expression in Human Adipocytes
Dihydrotestosterone boosts inflammation in fat cells more than testosterone.
research A computational approach to mechanistic and predictive toxicology of pesticides
Pesticides can cause reproductive and adrenal health issues.
research Dexamethasone, a Synthetic Glucocorticoid, Induces the Activity of Androgen Receptor in Human Dermal Papilla Cells
Dexamethasone increases the activity of androgen receptors in human skin cells, which may link it to certain types of hair loss.
research Novel 5α-Reductase Inhibitors: Synthesis, Structure−Activity Studies, and Pharmacokinetic Profile of Phenoxybenzoylphenyl Acetic Acids
A brominated phenoxy compound effectively inhibits a human enzyme and shows potential for clinical use.
research Suppression of mammary tumorigenesis in transgenic mice by the RXR-selective retinoid, LGD1069.
LGD1069 effectively prevents breast tumors in mice without toxicity.
research Quantification of the Vitamin D Receptor−Coregulator Interaction
Vitamin D receptor binds similarly to natural and synthetic ligands, affecting gene regulation.
research Comparative GC-MS Based In vitro Assays of 5α-Reductase Activity Using Rat Liver S9 Fraction
The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.
research Natural variability and the influence of concurrent control values on the detection and interpretation of low-dose or weak endocrine toxicities.
Control variability makes it hard to confirm low-dose endocrine effects.
research Comparison of Activities Dependent on Glutathione S-Transferase and Cytochrome P-450 IA1 in Cultured Keratinocytes and Reconstructed Epidermal Models
Reconstructed skin models are useful for studying how skin processes certain chemicals.
research Characterization of recombinant human liver dehydroepiandrosterone sulfotransferase with minoxidil as the substrate
Human liver enzyme DHEA ST helps process minoxidil.
research Adverse Effects of the 5-Alpha-Reductase Inhibitor Finasteride on Daphnia Magna: Endocrine System and Lipid Metabolism Disruption
Finasteride harms Daphnia magna's reproduction and metabolism.
research Analysis of hormone antagonists in clinical and municipal wastewater by isotopic dilution liquid chromatography tandem mass spectrometry
Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.
research Environmental factors influencing hormone receptor positive breast cancer incidence: integrating chemical signatures from dust wipes with self-reported sources of exposure
research Experimental Assessment of 3-meta-Pyridine-1,2,4-Oxadiazole Deoxycholic Acid Derivative as a Prototype of 5-α-Reductase Inhibitors in silico and in vivo Models
The new compound is a promising, less toxic alternative to finasteride for treating prostate issues.
research Multiple readout assay for hormonal (androgenic and antiandrogenic) and cytotoxic activity of plant and fungal extracts based on differential prostate cancer cell line behavior
The study created a test that found hormonal and toxic effects in plant and fungal extracts using prostate cancer cells.
research 17-Oximino-5-androsten-3β-yl esters: synthesis, antiproliferative activity, acute toxicity, and effect on serum androgen level
Some synthesized compounds were more effective than Finasteride in reducing prostate cancer cell growth and androgen levels.
research Estrogenic Potential of 2-Alkyl-4-(thio)chromenone 6-O-Sulfamates: Potent Inhibitors of Human Steroid Sulfatase
A substance called Compound 2g can strongly block STS (a hormone-related enzyme) without affecting estrogen levels, making it potentially good for treating breast cancer.
research Cross-species sensitivity to a novel androgen receptor agonist of potential environmental concern, spironolactone
Spironolactone harms fish reproduction and is more potent in fish than invertebrates, needing environmental monitoring.
research Androgenic and anti-androgenic effects of progesterone derivatives with different halogens as substituents at the C-6 position
Different halogens on progesterone derivatives can either block or mimic male hormone effects, depending on their type and amount.
research Nonsteroidal inhibitors of human type I steroid 5-.alpha.-reductase
New compounds called benzoquinolinones may treat conditions linked to excess DHT.
research A Definitive Role of Ornithine Decarboxylase in Photocarcinogenesis
Inhibiting ODC can prevent UV-induced skin cancer.
research Pediatric Endocrine-Disrupting Chemical Exposure Produces Irreversible Organizational Injury: Biomarker Evidence Necessitating a Precautionary Public Health Framework
Endocrine-disrupting chemicals cause irreversible harm to children's development, increasing disease risk.
research Kinetic analysis of LY320236: competitive inhibitor of type I and non-competitive inhibitor of type II human steroid 5α-reductase
LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
research Steroid 5α-reductase 2 deficiency leads to reduced dominance-related and impulse-control behaviors
Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
research Chronic Toxicity Studies of the Potential Cancer Preventive 2-(Difluoromethyl)-dl-ornithine
Lower dosages of 2-(difluoromethyl)-dl-ornithine might reduce side effects, supporting further research.
research Disruption of androgen metabolism, regulation and effects : involvement of steroidogenic enzymes
Anabolic steroids and inflammation can disrupt androgen metabolism, potentially causing health issues.