research Steroid Hormones
Steroid hormones are crucial for body functions and have various medical uses, but their misuse can lead to dependence.
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research New 5?-reductase inhibitors: In vitro and in vivo effects
Four new compounds were more effective than finasteride in treating prostate issues and hair loss, with one being 100 times more active and safe for use.
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 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 Expression of type 1 5α-reductase and metabolism of testosterone in reconstructed human epidermis (SkinEthic®): a new model for screening skin-targeted androgen modulators
The study created a new method to test drugs that affect hormone processing in skin.
research Inhibition of steroid 5 alpha-reductase with finasteride: sleep-related erections, potency, and libido in healthy men.
Finasteride doesn't affect erections much, but may decrease libido in men.
research Physiopathological role of the enzymatic complex 5α-reductase and 3α/β-hydroxysteroid oxidoreductase in the generation of progesterone and testosterone neuroactive metabolites
The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
research Cyclohex-1-ene Carboxylic Acids: Synthesis and Biological Evaluation of Novel Inhibitors of Human 5α Reductase
Scientists made new substances that can block an enzyme linked to prostate issues and hair loss, with potential for creating a new treatment.
research High-performance liquid chromatographic determination of the enantiomers of the benzoquinolinone LY 191704, a human type 1 5α-reductase inhibitor, in plasma
Researchers developed a method to measure different forms of a drug that could help treat prostate issues and hair loss, and found how these forms behave in animals.
research FCE 28260, a new 5α-reductase inhibitor: In vitro and in vivo effects
FCE 28260 is a stronger and longer-lasting inhibitor of 5α-reductase than finasteride, which may make it a better treatment for certain medical conditions.
research A Role for Steroid 5 alpha-reductase 1 in Vascular Remodelling During Endometrial Decidualisation
The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.
research Activity of type 1 5α-reductase is greater in the follicular infrainfundibulum compared with the epidermis
The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
research A role for steroid 5 alpha-reductase 1 in vascular remodeling during endometrial decidualization
The enzyme 5α-reductase type 1 is important for blood vessel development and fertility in the uterus.
research Crystal structure of steroid reductase SRD5A reveals conserved steroid reduction mechanism
The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
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 Immunohistochemical localization of types 1 and 2 5α-reductase in human scalp
The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
research Changes in serum free testosterone, sleep patterns, and 5‐alpha‐reductase type I activity influence changes in sebum excretion in female subjects
Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.
research Expression of mRNA for androgen receptor, 5alpha-reductase and 17beta-hydroxysteroid dehydrogenase in human dermal papilla cells
Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.
![Synthesis and Activity of 8-Substituted Benzo[c]quinolizin-3-ones as Dual Inhibitors of Human 5α-Reductases 1 and 2](/images/research/efc54340-66d6-4f27-9930-045ac023f903/small/15248.jpg)
research Synthesis and activity of 8-substituted benzo[c]quinolizin-3-ones as dual inhibitors of human 5α-reductases 1 and 2
New compounds were made that effectively block enzymes related to prostate issues and hair loss.
research PNU 157706, a novel dual type I and II5α-reductase inhibitor
PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
research Longitudinal clinical course in patients with 5α-reductase type 2 deficiency treated with testosterone and dihydrotestosterone during infancy and puberty
Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
![Effect of C-Ring Modifications in Benzo[c]quinolizin-3-ones, New Selective Inhibitors of Human 5α-Reductase 1](/images/research/c687900f-ea40-4de1-8f0b-a5b818951b1c/small/15452.jpg)
research Effect of C-ring modifications in benzo[c]quinolizin-3-ones, new selective inhibitors of human 5α-reductase 1
Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
research Analytical methods of dutasteride: An overview
Dutasteride is more effective than finasteride for hair loss treatment.
research Novel inhibitors of 5α-reductase
New research is needed to create better drugs that block the enzyme responsible for conditions like male baldness and prostate enlargement.
research Evidence for Increased 5α-Reductase Activity During Early Childhood in Daughters of Women With Polycystic Ovary Syndrome
Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
research Clinical dose ranging studies with finasteride, a type 2 5α-reductase inhibitor, in men with male pattern hair loss
Finasteride effectively treats male pattern hair loss with a 1 mg daily dose.
research Incidence of type 2 diabetes mellitus in men receiving steroid 5α-reductase inhibitors: population based cohort study
Men taking dutasteride or finasteride have a slightly higher risk of developing type 2 diabetes.
research 5α-Reductase type 1 inhibition of Oryza sativa bran extract prepared by supercritical carbon dioxide fluid
Rice bran extract might help prevent hair loss.
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 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.