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.
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research Circumventing Mukaiyama oxidation: selective S–O bond formation via sulfenamide–alcohol coupling
A new, efficient method creates sulfinimidate esters from sulfenamides and alcohols without metals.
research 1328 HIF1A stabilisation in the human hair follicle promotes glycolysis
Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
research Evaluation of New Pregnane Derivatives as 5.ALPHA.-Reductase Inhibitor.
New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
research A natural deep eutectic solvent formulation promotes hair growth by enhancing the transdermal delivery and bioactivity of hydroxytyrosol
A special solvent helps hydroxytyrosol penetrate skin better, promoting hair growth.
research Research on Hair Bleach that Causes Less Hair Damage and Smells Less Pungent than Ammonium Hydroxide
AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
research Hair Straightening
Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.
research Hydrogen peroxide (H2O2) suppresses hair growth through downregulation of β-catenin
Hydrogen peroxide in hair dye can cause hair loss.
research Steroid 5α-Reductase Inhibitors
New steroidal compounds could be effective for treating conditions related to 5α-reductase enzyme activity.
research 초임계 이산화탄소를 이용한 히노키티올의 미세화 공정
Using supercritical carbon dioxide can change the size of Hinokitiol particles.
research 11β-Hydroxysteroid Dehydrogenase Type 1 Inhibition Attenuates the Adverse Effects of Glucocorticoids on Dermal Papilla Cells
Blocking 11β-HSD1 can lessen the harmful effects of glucocorticoids on hair growth cells.
research A model for the turnover of dihydrotestosterone in the presence of the irreversible 5α-reductase inhibitors GI198745 and finasteride
Both drugs lower DHT levels, with GI198745 being more effective.
research Identification of microRNAs involved in growth arrest and cell death in hydrogen peroxide-treated human dermal papilla cells
Targeting specific miRNAs may help treat hair follicle issues caused by hydrogen peroxide.
research Expression, characterization, and structural analysis of human liver delta4-3-ketosteroid 5beta-reductase (AKR1D1) and its disease-related mutant P133R
The P133R mutation in AKR1D1 enzyme causes harmful bile acid buildup, explaining related health issues.
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 Structural basis for the catalysis and inhibition of human steroid 5α‐reductase 2
The research gives new understanding on how human steroid 5α-reductases work and how drugs like finasteride inhibit them, which could help in creating new drugs.
research Control of testosterone 5alpha-reductase activity in the human hyperplastic prostate
Inhibiting testosterone 5alpha-reductase may help treat benign prostatic hyperplasia.
research Detection of polysulfide species in human hair cuticle and protective effect of sulfur donor on heat induced-damage of hair
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 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 692 Prevention of H 2 O 2 -induced cellular senescence in human hair follicle dermal papilla cells
Certain compounds can protect hair cells from aging and promote growth.
research Reductive Stress Selectively Disrupts Collagen Homeostasis and Modifies Growth Factor-independent Signaling Through the MAPK/Akt Pathway in Human Dermal Fibroblasts
Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.
research Dehydroepiandrosterone for women in the peri- or postmenopausal phase
DHEA may help with sexual function when used intravaginally by menopausal women but is similar to hormone therapy in other aspects and might cause more side effects like acne and hair loss.
research Synthesis and biological evaluation of esters of 16-formyl-17-methoxy-dehydroepiandrosterone derivatives as inhibitors of 5α-reductase type 2
Certain derivatives are more effective 5α-reductase type 2 inhibitors than finasteride.
research TMT-Based Proteomic Explores the Influence of DHEA on the Osteogenic Differentiation of hBMSCs
DHEA boosts bone cell growth and differentiation in elderly stem cells.
research A new catalyst for organic synthesis: mercuric triflate
Mercuric triflate is an effective catalyst for various organic reactions, working well at room temperature with high yields.
research Delayed Diagnosis of Congenital Adrenal Hyperplasia Due to 3β-Hydroxysteroid Dehydrogenase Type 2 Deficiency
Consider rare forms of CAH for accurate diagnosis and treatment.
research Dihydrotestosterone induces p27 degradation via direct binding with SKP2 in ovarian and breast cancer
Dihydrotestosterone causes p27 protein breakdown in ovarian and breast cancer cells by binding with SKP2.
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 Enzymatic Method for Assessing Hair Damage with Reduction and Subsequent Oxidation
Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.