research Role of Dehydroepiandrosterone (DHEA) in the Pathophysiology and Clinical Manifestations of Polycystic Ovary Syndrome (PCOS)
DHEA may play a complex role in PCOS, affecting hormones, metabolism, and symptoms.
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300-330 / 1000+ resultsresearch Hyposecretion of the adrenal androgen dehydroepiandrosterone sulfate (DHEA-S) in the majority of the alopecia areata patients: Is it a primitive and pathogenic perturbation of hypothalamic-pituitary-adrenal axis?
Low DHEA-S levels might be linked to alopecia areata and could be a potential treatment target.
research DHEA and frontal fibrosing alopecia: molecular and physiopathological mechanisms
DHEA reduction may be linked to frontal fibrosing alopecia, but more research is needed.
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 Urinary steroids in women with androgenic alopecia
Women with hair loss had higher levels of certain hormones, suggesting a link to a condition like PCOS.
research Preparation of3H-labelled testosterone metabolites
The conclusion is that tritium-labeled testosterone metabolites can be made and are better converted into dihydrotestosterone in skin cells than in prostate tissue.
research FRI-02 FROM GIRLS TO BOYS TO OLDER MEN, THE INTERESTING TALE OF THE GUEVEDOCES AND 5-ALPHA REDUCTASE INHIBITORS
The discovery of 5α-reductase deficiency in guevedoces led to the development of important urologic medications.
research The diagnosis of nonclassic congenital adrenal hyperplasia due to 21-hydroxylase deficiency, based on serum basal or post-ACTH stimulation 17-hydroxyprogesterone, can lead to false-positive diagnosis
Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.
research Synthesis and Evaluation of 2‘-Substituted 4-(4‘-Carboxy- or 4‘-carboxymethylbenzylidene)-N-acylpiperidines: Highly Potent and in Vivo Active Steroid 5α-Reductase Type 2 Inhibitors
Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
research Biological activity of novel progesterone derivatives having a bulky ester side chains at C-3
The more lipophilic the progesterone derivative, the better it binds to androgen receptors and has antiandrogenic effects.
research Novel aldo-keto reductase 1C3 inhibitor affects androgen metabolism but not ovarian function in healthy women: a phase 1 study
The inhibitor affects androgen metabolism but not ovarian function.
![Synthesis of Spiro[cyclohexane-1,2'-[2H]indene] Derivatives as Inhibitors of Steroid 5α-Reductase](/images/research/d91300a7-4d66-4d2c-90ac-293b0dbc5ff5/small/21048.jpg)
research Synthesis of Spiro[cyclohexane-1,2?-[2H]indene] derivatives as inhibitors of steroid 5?-reductase
Compound 15a was effective in inhibiting 5α-reductase.
research Estranys matins de febrer: Pauline Fondevila
Trienones are more effective at inhibiting the enzyme linked to hair loss than dienones.
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 Structure of human type II 5 alpha-reductase gene
The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.
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 Steroid Chemistry and Hormone Controls during the Hair Follicle Cycle
Differences in enzyme activity and androgen receptors in hair follicles may explain why hair loss appears differently in men and women.
research Recent advances in the molecular mechanisms causing primary generalized glucocorticoid resistance
Mutations in the NR3C1 gene cause a rare condition that affects hormone signaling and can lead to various symptoms, with dexamethasone as a treatment option.
research Enhancing 1α-Hydroxylase Activity with the 25-Hydroxyvitamin D-1α-Hydroxylase Gene in Cultured Human Keratinocytes and Mouse Skin
Adding a specific gene to skin cells can help treat skin disorders like psoriasis.
research Neurosteroidogenesis Is Required for the Physiological Response to Stress: Role of Neurosteroid-Sensitive GABAAReceptors
Neurosteroids are crucial for stress response, and targeting specific receptors may help treat certain disorders.
research Design, synthesis and biological evaluation of novel androst-3,5-diene-3-carboxylic acid derivatives as inhibitors of 5α-reductase type 1 and 2
New chemical compounds were made that effectively block an enzyme linked to prostate growth.
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 46, XY 5-Alpha Reductase Deficiency in a 36-Year-Old Phenotypic Female Patient
A 36-year-old person with a female appearance but male chromosomes was diagnosed with a rare enzyme deficiency affecting sexual development.
research Inhibition of 5α-reductase alters pregnane metabolism in the late pregnant mare
Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
research Determination Method for Steroid 5α-Reductase Activity Using Liquid Chromatography/Atmospheric Pressure Chemical Ionization–Mass Spectrometry
A new method was developed to measure and assess the activity and inhibition of the enzyme steroid 5α-reductase.
research Inhibition of 5α-Reductase Activity in SZ95 Sebocytes and HaCaT Keratinocytes In Vitro
The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
research Approaching fertility in congenital adrenal hyperplasia: exploring P30L mutation-induced 21-hydroxylase deficiency with a presentation between non-classical and simple virilizing phenotypes. A case report
A woman with a specific mutation causing adrenal gland issues faced fertility problems, but careful hormone therapy helped her manage it successfully.
research Θειική δεϋδροεπιανδροστερόνη, αντίσταση στην ινσουλίνη και εκτίμηση του όγκου των ωοθηκών σε Ελληνίδες με σύνδρομο πολυκυστικών ωοθηκών (PCOS)
Higher DHEA-S levels are linked to smaller ovarian volume in women with PCOS.
research [Studies on androsterone and dehydroepiandrosterone levels in hair under endogenic and exogenic stress].
research C19and C215β/5αMetabolite Ratios in Subjects Treated with the 5α-Reductase Inhibitor Finasteride: Comparison of Male Pseudohermaphrodites with Inherited 5α-Reductase Deficiency*
Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.