research 5α-reduction of epitestosterone is catalysed by human SRD5A1 and SRD5A2 and increases androgen receptor transactivation
5α-reductases increase epitestosterone's effect on androgen receptors.
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390-420 / 1000+ resultsresearch The Metabolism of Dehydroepiandrosterone by Human Scalp Hair Follicles
Altered DHEA metabolism in hair follicles may be linked to hair loss in balding men.
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 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 Testosterone, cytochrome P450, and cardiac hypertrophy
Heart-specific steroid metabolism is crucial in cardiac hypertrophy.
research Antihormonal properties of some new A-homo-B, 19-dinor steroids of the androstane series
New A-homo-B, 19-dinor steroids showed strong antiandrogenic activity without affecting the enzyme 5α-reductase or androgen receptor binding.
research 892 Behavior of the two circulating androgens testosterone and DHEA and their main intracellular metabolites in an androgen-sensitive sebocyte cell line
Testosterone affects androgen receptors and lipid storage in cells, while DHEA does not convert to testosterone or affect these receptors in the same way.
research Synthesis and Pharmacological Evaluation of New Progesterone Esters as 5.ALPHA.-Reductase Inhibitors
Smaller substituents at C-17 enhance the inhibitory activity of progesterone derivatives on 5alpha-reductase.
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.
research Determination of rat 5α-reductase type 1 isozyme activity and its inhibition by novel steroidal oxazolines
New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
research Dihydrotestosterone, Active Androgen Metabolites and Related Pathology
Dihydrotestosterone (DHT) and its active metabolites play a key role in various diseases, and the development of 5α-reductase inhibitors can help treat these conditions.
research New Progesterone Esters as 5.ALPHA.-Reductase Inhibitors.
Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
research Extrarenal Expression of 25-Hydroxyvitamin D3-1α-Hydroxylase1
The enzyme for activating vitamin D is found in many body tissues, not just the kidneys.
research Synthesis, Characterization and Evaluation of 5α, 6β-Dihalo Androsterone Derivatives as 5α-Reductase Inhibitors
Compound 7b is a promising candidate for treating benign prostatic hyperplasia and prostate cancer.
research Dihydrotestosterone Stimulates 5a-Reductase Activity in Pubic Skin Fibroblasts*
Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
research Helpful diagnostic markers of steroidogenesis for defining hyperandrogenemia in hirsute women
The study concluded that androstendione and DHEA are important for diagnosing high male hormone levels in women with excessive hair growth.
research Attenuation of 5α-reductase-mediated progesterone metabolism promotes differentiation of human endometrial stromal cells for the establishment of pregnancy
Reducing 5α-reductase activity helps endometrial cells differentiate, aiding pregnancy.
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 25 Hydroxyvitamin D 1 α-Hydroxylase Is Required for Optimal Epidermal Differentiation and Permeability Barrier Homeostasis
The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
research Nonclassic 21-hydroxylase deficiency
Nonclassic 21-hydroxylase deficiency is a common, treatable genetic disorder causing reversible symptoms like acne and hair loss.
research Mechanisms of Action of Dehydroepiandrosterone
DHEA affects various tissues by interacting with multiple receptors and can be converted into sex hormones.
research Crystal Structure and Synthesis of 17.ALPHA.-Acetoxy-6,7-epoxypregn-4-ene-3,20-dione
A new compound was made that might help treat diseases related to male hormones.
research More about X‐linked testicular feminization of the mouse as a noninducible (is) mutation of a regulatory locus: 5α‐androstan‐3α‐17ß‐diol as the true inducer of kidney alcohol dehydrogenase and ß‐glucuronidase
A specific metabolite, not a receptor protein, triggers the production of certain kidney enzymes, but this process is disrupted in mice with a mutation causing testicular feminization.
research New ester derivatives of dehydroepiandrosterone as 5α-reductase inhibitors
New compounds may help treat prostate issues without affecting androgen receptors.
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 Pre-receptor regulation of the androgen receptor
Two enzymes regulate androgen receptor activity, affecting treatments for androgen insufficiency and benign prostatic hyperplasia.
research Markers of peripheral androgen action in vivo and in vitro
Dihydrotestosterone (DHT) is crucial for conditions like male-pattern baldness and acne, and measuring a byproduct, androstanediol glucuronide, is a better way to assess DHT's effects than DHT blood levels.
research METABOLIC, REPRODUCTIVE OUTCOMES AND SIDE EFFECTS AFTER THE ADMINISTRATION OF 100 MG DEHYDROEPIANDROSTERONE (DHEA) IN WOMEN WITH AN ADEQUATE OVARIAN RESERVE
Taking 100 mg of DHEA daily for 16 weeks did not change metabolic and reproductive health significantly but increased certain ovarian markers with minimal side effects.
research Patent Evaluation: Δ-4,6-Steroids as Potent 5α-Reductase Inhibitors
New steroids were patented as effective for treating acne, hair loss, and other conditions related to hormones.
research Identification of Potential Cytochrome p450c 17 Alpha Inhibitors for the Treatment of PCOS via Scaffold Hopping and Fragment-Based De-Novo Drug Design
Potential new drugs for treating PCOS were identified.