research Hyperactivation of sympathetic nerves drives depletion of melanocyte stem cells
Stress can cause hair to turn gray by depleting stem cells.
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390-420 / 1000+ resultsresearch A Sensitive Assay for the Enzyme Activity in Hair Follicles and Epidermis that Catalyses the Peptidyl-Arginine-Citrulline Post-translational Modification
A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
research Evaluation of Biological Activity Exerted by an Aza-bicyclocarboxylic acid Derivative using Anischemia-Reperfusion Injury Model
Compound 3 protects the heart from damage by activating A1-adenosine receptors.
research Insights learned from L457(3.43)R, an activating mutant of the human lutropin receptor
The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
research Intracellular Calcium Mobilization in Response to Ion Channel Regulators via a Calcium-Induced Calcium Release Mechanism
Certain drugs increase calcium levels in cancer cells by triggering internal calcium release.
research Testosterone’s regulation of the HPA axis differs for adolescent and adult male rats
Adolescent male rats release more stress hormones than adults, and testosterone affects them differently.
research The neurosteroid metabolite of progesterone, 3α‐OH‐dihydroprogesterone (3α‐OH‐DHP), is required for attenuated baroreflex mediated sympathoexcitation in pregnancy
3α‐OH‐DHP is essential for reducing nerve activity related to blood pressure control during pregnancy.
research Inhibition of 17α-hydroxylase/C17,20 lyase reduces gating deficits consequent to dopaminergic activation
Blocking CYP17A1 enzyme may help improve certain brain function issues related to dopamine.
research Dopamine is a novel, direct inducer of catagen in human scalp hair folliclesin vitro
Dopamine stops hair growth and pigment production in human scalp hair follicles.
research Nucleus‐specific modulation of phasic and tonic inhibition by endogenous neurosteroidogenesis in the murine thalamus
Brain-made chemicals can control nerve cell function differently in various parts of a mouse's brain, which may help us understand neurological conditions.
research Profile of the progesterone derivative chlormadinone acetate — Pharmocodynamic properties and therapeutic applications
Chlormadinone acetate is a strong, well-tolerated hormone used in birth control and hormone therapy with benefits for menstrual pain and skin conditions.
research Aromatic C-nitrosation of a bioactive molecule. Nitrosation of minoxidil
Minoxidil reacts to nitrosation 7 times more than phenol, mainly due to its -NH₂ groups, leading to the creation of N-nitrosominoxidil.
research Diabetogenic potential of dexamethasone and effect Annona muricata methanolic bark extract as post-exposure therapy in albino rats
Dexamethasone can cause diabetes in rats, and Annona muricata bark extract may help lower blood sugar.
research Realising the therapeutic potential of neuroactive steroid modulators of the GABAA receptor
Neuroactive steroids show promise for treating mental and neurological disorders by targeting GABA_A receptors.
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 Induction of ornithine decarboxylase in specific subpopulations of murine epidermal cells following multiple exposures to 12-O-tetradecanoylphorbol-13-acetate, mezerein and ethyl phenylpropriolate
TPA strongly increases ODC activity in certain skin cells, potentially aiding tumor growth.
research SAT338 Desmopressin Stimulation Test As A Valuable Tool In Establishing Cushing Syndrome Etiology
The desmopressin stimulation test helped identify an adrenal cause for a patient's Cushing's syndrome.
research Bioconversion, Pharmacokinetics, and Therapeutic Mechanisms of Ginsenoside Compound K and Its Analogues for Treating Metabolic Diseases
Ginsenoside compound K shows promise for treating metabolic diseases like diabetes and obesity.
research Relating neurosteroid modulation of inhibitory neurotransmission to behaviour
Neurosteroids can influence behavior by modulating brain inhibition, with potential for treating psychiatric disorders.
research Neurosteroid allopregnanolone attenuates development of nicotine withdrawal behavior in mice
Allopregnanolone may help prevent nicotine withdrawal symptoms.
research Novel modulatory effects of neurosteroids and benzodiazepines on excitatory and inhibitory neurons excitability: a multi-electrode array recording study
Neurosteroids and benzodiazepines reduce neuron excitability, with lasting effects on inhibitory neurons.
research Structure and Expression of a New Complementary DNA Encoding the almost Exclusive 3β-Hydroxysteroid Dehydrogenase/Δ5-Δ4-lsomerase in Human Adrenals and Gonads
Human adrenals and gonads have a unique enzyme for steroid hormone production.
research Possible involvement of 5α-reduced neurosteroids in adrenergic and serotonergic stimulation of GFAP gene expression in rat C6 glioma cells
5α-reduced neurosteroids may help regulate glial cell differentiation.
research An Update of Congenital Adrenal Hyperplasia
Congenital Adrenal Hyperplasia is a genetic disorder with two forms, causing symptoms like early puberty and severe acne, but can be identified through screening and treated with glucocorticoids.
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 5α-Reductases in Human Physiology: An Unfolding Story
Enzymes called 5α-reductases have many body functions and need more research to safely use inhibitors.
research 217 The adenosine-generating ecto-enzyme CD73 regulates human hair growth
The enzyme CD73 helps control human hair growth and could be targeted to treat hair growth disorders.
research Androgen‐induced neurite outgrowth is mediated by neuritin in motor neurones
Androgens help motor neurons grow by increasing neuritin.
research DHEA : why, when, and how much ? D’après la conférence de Bruno Allolio (Wuerzburg), 50e Journées internationales d’endocrinologie clinique Henri-Pierre KLOTZ, septembre 2007
DHEA supplementation may improve quality of life, neuropsychological functions, and sexual satisfaction in individuals with adrenal insufficiency, but more research is needed to confirm its safety and effectiveness.
research The Biological Actions of Dehydroepiandrosterone Involves Multiple Receptors
DHEA affects multiple receptors and may help with metabolic issues, but its safety and effectiveness in humans are unclear.