research BH02 Reversibility of 5-alpha reductase inhibitor effects on semen parameters: a review of human evidence
Finasteride mildly affects semen but is reversible; dutasteride has stronger effects with incomplete recovery.
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210-240 / 1000+ resultsresearch DSC-investigations of alpha-keratins and the specific effects of chemical treatments on human hair
Chemical treatments weaken hair's thermal stability and structure.
research GC-MS Fatty Acid Profile and In silico Studies of Telfairia occidentalis Hook f. (Fluted Pumpkin) and Sphenostylis stenocarpa (African Yam bean) Seeds Oil on Human 5 Alpha Reductase II
Compounds in fluted pumpkin and African yam bean seed oils may help manage benign prostate hyperplasia.
research LY191704: a selective, nonsteroidal inhibitor of human steroid 5 alpha-reductase type 1.
LY191704 is a compound that effectively blocks a specific enzyme involved in hormone conversion and could help treat enlarged prostate and hair loss.
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma
The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
research A proprietary lipidosterolic extract of Serenoa repens promotes hair growth through mechanisms that extend beyond 5‐alpha reductase inhibition: Insights from human hair follicle organ culture
USPlus® DERM may help hair growth and reduce hair loss.
research Exploring the Inhibitory Potential of Phytosterols β-Sitosterol, Stigmasterol, and Campesterol on 5-Alpha Reductase Activity in the Human Prostate: An In Vitro and In Silico Approach
Phytosterols may help manage prostate issues but are less effective than synthetic drugs.
research The use of electron spin resonance techniques to determine gamma ray exposure of $\alpha$-keratin in human hair
Whole hair strands can reliably measure gamma ray exposure using ESR techniques, but samples should be analyzed quickly or stored in liquid nitrogen.
research Dihydrotestosterone and the Concept of 5α–Reductase Inhibition in Human Benign Prostatic Hyperplasia
Blocking the enzyme that turns testosterone into DHT can safely and effectively treat enlarged prostate.
research The CD44+ALDH+ Population of Human Keratinocytes Is Enriched for Epidermal Stem Cells with Long-Term Repopulating Ability
Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.
![Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1](/images/research/ff6e6cbe-cb9c-4d11-87ef-671d28ffd4fa/small/15506.jpg)
research Benzo[c]quinolizin-3-ones: A Novel Class of Potent and Selective Nonsteroidal Inhibitors of Human Steroid 5α-Reductase 1
Benzo[c]quinolizin-3-ones are effective nonsteroidal inhibitors of human steroid 5α-reductase 1.
research Finasteride is the main inhibitor of 5α-reductase activity in microdissected dermal papillae of human hair follicles
Finasteride potentially treats hair loss by reducing DHT production.
research Synthesis and biological evaluation of novel unsaturated carboxysteroids as human 5α-reductase inhibitors: A legitimate approach
New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
research Effects of the anti-androgen finasteride on 5alpha-reductase activity in human gingival fibroblasts in response to minocycline
Finasteride helps treat hair loss by blocking enzyme activity.
research Antiaging Activity of Peptide Identified from Fermented Trapa Japonica Fruit Extract in Human Dermal Fibroblasts
A peptide from fermented Trapa japonica fruit may help reduce skin aging.
research Luteinizing Hormone and Human Chorionic Gonadotropin Decrease Type 2 5α-Reductase and Androgen Receptor Protein Levels in Women’s Skin
LH and hCG reduce certain protein levels in women's skin.
research Effects of the anti-androgen finasteride on 5α-reduction of androgens in the presence of progesterone in human gingival fibroblasts: modulatory actions of the alkaline phosphatase inhibitor levamisole
Finasteride reduces testosterone conversion, progesterone lessens this, and levamisole enhances finasteride's effect.
research RE-ORGA, a Korean Herb Extract, Can Prevent Hair Loss Induced by Dihydrotestosterone in Human Dermal Papilla Cells
RE-ORGA, a Korean herb extract, may help prevent hair loss.
research Effect of ethanol extract of plant mixture on hair regeneration in human dermal papilla cells and C57BL/6J mice
A plant mixture extract helped grow hair by boosting cell growth and growth factors while blocking a hair loss-related enzyme.
research Natural Product-Inspired Bis(trifluoromethyl) Phenyl Hydroxycinnamate Derivatives as Promising Nonsteroidal Inhibitors of Human Steroid 5α-Reductase Type-1: Synthesis, In Vitro, and In Silico Studies
New compounds show promise as nonsteroidal treatments for hair loss.
research Natural Product-InspiredBis(trifluoromethyl) PhenylHydroxycinnamate Derivatives as Promising Nonsteroidal Inhibitorsof Human Steroid 5α-Reductase Type-1: Synthesis, InVitro, and In Silico Studies
Certain hydroxycinnamate derivatives may effectively inhibit enzymes linked to hair loss with low toxicity.
research Studies on the effect of Betula platyphylla extract on human dermal papilla cell proliferation and its mechanism of action
Betula platyphylla extract, particularly the H3-2 fraction, may help treat hair loss by promoting cell growth and inhibiting a hair loss-related enzyme.
research Ageratum Conyzoides L. Extract Inhibits 5α-Reductase Gene Expression and Prostaglandin D2 Release in Human Hair Dermal Papilla Cells and Improves Symptoms of Hair Loss in Otherwise Healthy Males and Females in an Open Label Pilot Study
Ageratum conyzoides L. extract may effectively and safely treat hair loss.
research Investigation of Antioxidant Activity of Cynanchi Wilfordii Radix and Inhibitory Effect of 5α-reductase mRNA in Human Dermal Papilla Cells
Cynanchi Wilfordii Radix has strong antioxidant effects and may help treat male hair loss.
research Identification of bioactive compounds from thai plant extracts with hair growth promoting activity on human hair dermal papilla cells
Thai plant extracts, especially Avicennia marina, can promote hair growth by inhibiting certain enzymes and boosting growth factors.
research Human keratinocytes derived from the bulge region of hair follicles are refractory to differentiation
Hair follicle cells resist turning into skin cells.
research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair
Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Injury-induced interleukin-1 alpha promotes Lgr5 hair follicle stem cells de novo regeneration and proliferation via regulating regenerative microenvironment in mice
The protein interleukin-1 alpha helps regenerate hair follicles and increase stem cell growth in mice.
research A Rapid Extraction Procedure of Human Hair Proteins and Identification of Phosphorylated Species.
A new method quickly extracts and identifies proteins from hair and other keratin sources.
research Prostaglandin metabolism in human hair follicle
Human hair follicles can make and process prostaglandins, which may affect hair growth.