research 5α-Reductase Isoenzymes: From Neurosteroid Biosynthesis to Neuropsychiatric Outcomes
Finasteride and dutasteride may cause depression and anxiety, especially in younger men.
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research Testosterone metabolite nonessential for androgen effects
The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
research Human type 3 5α-reductase is expressed in peripheral tissues at higher levels than types 1 and 2 and its activity is potently inhibited by finasteride and dutasteride
Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
research Central 5-alpha reduction of testosterone is required for testosterone's inhibition of the hypothalamo-pituitary–adrenal axis response to restraint stress in adult male rats
Testosterone needs to be converted to DHT to reduce stress response in male rats.
research High-throughput and direct measurement of androgen levels using turbulent flow chromatography liquid chromatography-triple quadrupole mass spectrometry (TFC-LC-TQMS) to discover chemicals that modulate dihydrotestosterone production in human prostate cancer cells
Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
research 12-Methoxy Carnosic acid efficacy determinationand optimization through computational tools for 5alpha reductase enzyme and using finasteride as refrence molecule.
12-Methoxy carnosic acid from rosemary might be a good natural treatment for hair loss.
research Co-administration of 5α-reductase Inhibitors Worsens the Adverse Metabolic Effects of Prescribed Glucocorticoids
Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
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 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 Synthesis and 5α-Reductase Inhibitory Activity of C21 Steroids Having 1,4-diene or 4,6-diene 20-ones and 4-Azasteroid 20-Oximes
Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
research Steroid 5α-Reductase Inhibitors
New steroidal compounds could be effective for treating conditions related to 5α-reductase enzyme activity.
research Epigenetic regulation of 5α reductase-1 underlies adaptive plasticity of reproductive function and pubertal timing
Environmental factors affect reproductive traits by altering the SRD5A1 gene.
research ダブルストロボレンジファインダの開発(特別講演)(画像センシングおよび一般)
Some prostate cancers have gene changes that may affect treatment with certain drugs.
research Pharmacophore Modeling and Three Dimensional Database Searching for Drug Design Using Catalyst: Recent Advances
The document concludes that Catalyst software is effective for drug design, identifying potent compounds for various medical conditions.
research Metabolism of finasteride in rat hepatic microsomes: Age and sex differences and effects of P450 inducers
Finasteride metabolism varies by age, sex, and P450 inducers, with males processing it faster.
research Metabolic dysfunction in female mice with disruption of 5α-reductase 1
Female mice with disrupted 5α-reductase 1 had significant metabolic issues, including stress response problems, insulin resistance, liver fat buildup, and obesity.
research Evaluation of bioequivalence of five 0.1 mg dutasteride capsules compared to one 0.5 mg dutasteride capsule: a randomized study in healthy male volunteers
Taking five small dutasteride capsules is the same as taking one larger capsule.
research Alkaline Phosphatase–Regulated C–C Motif Chemokine Ligand 5 (CCL5) Functions as a Critical Mediator of Hair Follicle Neogenesis
research Normalized androgen ratio: its application to clinical dermatology
The normalized androgen ratio can help manage conditions with excess androgen activity in women.
research Predominant expression of 5 alpha-reductase type 1 in pubic skin from normal subjects and hirsute patients.
The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
research Structure of human type II 5 alpha-reductase gene.
The human type II 5α-reductase gene, linked to certain male health conditions, has a specific structure and low similarity to other related genes.
research 5α-Reductase type 2 gene variant associations with prostate cancer risk, circulating hormone levels and androgenetic alopecia
Gene variant linked to prostate cancer, hormone levels, and hair loss.
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 3 3Abbreviations: r5AR1, rat 5α-reductase 1; r5AR2, rat 5α-reductase 2; and DHT, dihydrotestosterone.
GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
research The neurosteroidogenic enzyme 5α-reductase modulates the role of D1 dopamine receptors in rat sensorimotor gating
5α-reductase affects dopamine receptors linked to sensorimotor gating, which may help understand disorders like schizophrenia.
research Depression risk of 5-alpha reductase inhibitors: A systematic review and meta-analysis with a focus on comparator groups
5-alpha reductase inhibitors may increase depression risk by 31%, but results vary based on comparison groups.
research Evolution, classification, structure, and functional diversification of steroid 5α-reductase family in eukaryotes
Steroid 5α-reductase evolved from protists and diversified in eukaryotes, with specific roles in mammals and plants.
research RP-HPLC-Based Stability-Indicating Analytical Method for Concurrent Determination of Finasteride and Tadalafil: Development and Validation
A reliable method was developed to measure Finasteride and Tadalafil together, showing they degrade under certain conditions.
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 Androstanediolglucuronide: A parameter for peripheral androgen activity before and during therapy with cyproterone acetate
3α-AdiolG is a good marker for androgen activity in women with excessive hair growth and decreases with anti-androgen treatment.
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.