research Steroid 5α-Reductases and 3α-Hydroxysteroid Dehydrogenases: Key Enzymes in Androgen Metabolism
Key enzymes control androgen levels, affecting hormone activity and potential treatments.
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research Pharmacokinetic Parameters and Mechanisms of Inhibition of Rat Type 1 and 2 Steroid 5α-Reductases: Determinants for Different In Vivo Activities of GI198745 and Finasteride in the Rat
GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
research Species Differences in Prostatic Steroid 5α-Reductases of Rat, Dog, and Human
Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
research 5α-Reductases in Human Physiology: An Unfolding Story
We need to learn more about 5α-reductases and neuroactive steroids to safely make drugs targeting these enzymes.
research 5α-Reductases in Human Physiology: An Unfolding Story
Enzymes called 5α-reductases have many body functions and need more research to safely use inhibitors.
research Consequences of Steroid-5α-Reductase Deficiency and Inhibition in Vertebrates
Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
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 5α-Reduced Glucocorticoids: A Story of Natural Selection
Natural 5α-reduced glucocorticoids might be anti-inflammatory with fewer side effects than current options.
research Steroidal 5α-Reductase and 17α-Hydroxylase/17,20-Lyase (CYP17) Inhibitors Useful in the Treatment of Prostatic Diseases
Certain drugs that block specific enzymes can help treat prostate diseases.
research PNU 157706, A Novel Dual Type I and II 5α-Reductase Inhibitor
PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
research Early Embryonic Exposure of Freshwater Gastropods to Pharmaceutical 5-Alpha-Reductase Inhibitors Results in a Surprising Open-Coiled 'Banana-Shaped' Shell
Certain drugs change freshwater snail shells to a "banana" shape.
research Evaluation of the 5α-Reductase Inhibitor Finasteride on Reproduction and Gonadal Development in Medaka, Oryzias Latipes
Finasteride negatively affects fish reproduction and gonadal development.
research Exposure of Xenopus Laevis Tadpoles to Finasteride, an Inhibitor of 5-Alpha Reductase Activity, Impairs Spermatogenesis and Alters Hypophyseal Feedback Mechanisms
Finasteride exposure harms tadpole reproduction and hormone balance.
research Discovery of a Novel Hybrid from Finasteride and Epristeride as 5α-Reductase Inhibitor
New hybrid compound found to effectively prevent hair loss.
research Transcriptomic Profiling in Silurana Tropicalis Testes Exposed to Finasteride
Finasteride affects frog testes by increasing testosterone, decreasing 5α-DHT, and impacting genes related to reproduction and other functions.
research Mechanism of Action of Avicennia Marina Heartwood Extract and Avicequinone C on Human Dermal Papilla Cells Isolated from Androgenic Alopecia Patients
Avicennia Marina extract and avicequinone C can reduce hair loss hormone production and increase hair growth factors, suggesting they could be used to treat androgenic alopecia.
research Cloning, Expression, and Characterization of Rhesus Macaque Types 1 and 2 5alpha-Reductase: Evidence for Mechanism-Based Inhibition by Finasteride
Finasteride inhibits enzyme activity in rhesus macaques, suggesting they're useful for evaluating similar drugs.
research Basics of Androgen Synthesis and Action
Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
research Structural Basis for the Catalysis and Inhibition of Human Steroid 5α-Reductase 2
The research gives new understanding on how human steroid 5α-reductases work and how drugs like finasteride inhibit them, which could help in creating new drugs.
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 Structure of Human Steroid 5α-Reductase 2 with the Anti-Androgen Drug Finasteride
Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.
research Discovery of Natural Steroid 5 Alpha-Reductase Inhibitors
Natural herbal compounds might treat certain medical conditions by reducing DHT levels, but more research is needed to confirm their effectiveness and safety.
research Steroid 5α-Reductase as a Novel Therapeutic Target for Schizophrenia and Other Neuropsychiatric Disorders
S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
research Effects on Steroid 5-Alpha Reductase Gene Expression of Thai Rice Bran Extracts and Molecular Dynamics Study on SRD5A2
Thai rice bran extracts, especially from Tubtim Chumphae rice, can significantly reduce the activity of hair loss genes, with x-tocopherol showing potential as an anti-hair loss product.
research Pharmacogenetic Analysis of Human Steroid 5α Reductase Type II: Comparison of Finasteride and Dutasteride
Dutasteride is more efficient than finasteride, but individual results vary.
research Saturable Binding of Finasteride to Steroid 5α-Reductase as Determinant of Nonlinear Pharmacokinetics
Finasteride's effect on hair loss and prostate enlargement depends on its binding to an enzyme, with maximum impact at 0.2 mg dose.
research A New Label-Free Screen for Steroid 5α-Reductase Inhibitors Using LC-MS
Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
research Cloning, Computational Analysis and Expression Profiling of Steroid 5 Alpha-Reductase 1 (SRD5A1) Gene During Reproductive Phases and Ovatide Stimulation in Endangered Catfish, Clarias Magur
The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
research Development of a Liquid Chromatography/Mass Spectrometry-Based Inhibition Assay for Screening Steroid 5-Alpha Reductase in Human and Fish Cell Lines
A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.
research Nonsteroidal Inhibitors of Human Type I Steroid 5α-Reductase
New compounds called benzoquinolinones may treat conditions linked to excess DHT.