research Localization, Age- and Site-Dependent Expression, and Regulation of 11β-Hydroxysteroid Dehydrogenase Type 1 in Skin
Increased 11β-HSD1 activity in skin may contribute to aging and could be targeted to reduce aging effects.
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research Urinary 5-ene-steroid excretion in non-classical congenital adrenal hyperplasia due to 3β-hydroxysteroid dehydrogenase deficiency (NC-3BHSD)
Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
research Testicular Steroidogenesis
Genetic defects in testosterone production can cause hormonal and developmental disorders, and more research is needed to understand androgen regulation and develop safer treatments.
research Androgen Receptors and Androgen-Dependent Initiation of Protein Synthesis in the Prostate
Prostate cells have proteins that bind to specific hormones, which can increase protein production when activated by these hormones.
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 Epidermal retinol dehydrogenases cyclically regulate stem cell markers and clock genes and influence hair composition
Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
research 11α-Hydroxyprogesterone, a potent 11β-hydroxysteroid dehydrogenase inhibitor, is metabolised by steroid-5α-reductase and cytochrome P450 17α-hydroxylase/17,20-lyase to produce C11α-derivatives of 21-deoxycortisol and 11-hydroxyandrostenedione in vitro
11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
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 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.
research Mice lacking the epidermal retinol dehydrogenases SDR16C5 and SDR16C6 display accelerated hair growth and enlarged meibomian glands
Mice without certain skin enzymes have faster hair growth and bigger eye glands.
research Omega-6 highly unsaturated fatty acids in Leydig cells facilitate male sex hormone production
Omega-6 fats in certain cells boost male hormone production.
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 15-Hydroxyprostaglandin Dehydrogenase Inhibitor Restores Endothelial Function Under Dihydrotestosterone-Induced Stress in Human Dermal Microvascular Endothelial Cells
DPP may help hair regrowth by improving blood vessel function under stress.
research Pre-receptor regulation of the androgen receptor
Two enzymes regulate androgen receptor activity, affecting treatments for androgen insufficiency and benign prostatic hyperplasia.
research 17-Oximino-5-androsten-3β-yl esters: synthesis, antiproliferative activity, acute toxicity, and effect on serum androgen level
Some synthesized compounds were more effective than Finasteride in reducing prostate cancer cell growth and androgen levels.
research Vitamin D-dependent rickets type II. Defective induction of 25-hydroxyvitamin D3-24-hydroxylase by 1,25-dihydroxyvitamin D3 in cultured skin fibroblasts.
Measuring 24-OHase induction helps identify defects in vitamin D processing and predict treatment response.
research Synthesis of phenanthridin-3-one derivatives: Non-steroidal inhibitors of steroid 5-α-reductase
New chemicals were made that can block an enzyme linked to hair loss, prostate growth, and acne.
research Steroidogenic enzymes in skin.
Finasteride helps hair growth by reducing DHT levels.
research Ornithine decarboxylase activity in relation to DNA synthesis in mouse interfollicular epidermis and hair follicles
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 Modulation of Aromatase and Estrogen Receptor Alpha in Cultured Human Dermal Papilla Cells by Dexamethasone: A Novel Mechanism for Selective Action of Estrogen via Estrogen Receptor Beta?
Dexamethasone may influence hair growth by altering estrogen receptor activity in hair cells.
research Local synthesis and function of neuro-estrogen and neuro-androgen: impact on the hippocampus-related cognition and neuronal plasticity
Neurosteroids like neuro-estrogen and neuro-androgen are crucial for brain function and can improve cognition and protect against aging-related decline.
research The biochemical and phenotypic characterization of females homozygous for 5 alpha-reductase-2 deficiency.
Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
research Metabolism of androgens by isolated human hair follicles
Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
research Dexamethasone, a Synthetic Glucocorticoid, Induces the Activity of Androgen Receptor in Human Dermal Papilla Cells
Dexamethasone increases the activity of androgen receptors in human skin cells, which may link it to certain types of hair loss.
![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 5α-Reductase and 11β-Hydroxysteroid Dehydrogenase Activity in Prepubertal Hispanic Girls with Premature Adrenarche
Enzyme activities do not cause early pubic hair in these girls.
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 Oxidative Activity of the Type 2 Isozyme of 17β-Hydroxysteroid Dehydrogenase (17β-HSD) Predominates in Human Sebaceous Glands
The enzyme 17β-HSD type 2 mainly performs oxidation in human sebaceous glands, which may help protect against acne.
research Locally Synthetized 17-β-Estradiol Reverses Amyloid-β-42-Induced Hippocampal Long-Term Potentiation Deficits
A brain-made hormone can protect against memory-related brain damage caused by harmful proteins.