research Synthesis of 17β-N-arylcarbamoylandrost-4-en-3-one derivatives and their anti-proliferative effect on human androgen-sensitive LNCaP cell line
Compounds 6f and 6g effectively stop prostate cancer cell growth without harming healthy cells.
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research Synthesis of N-Substituted 3-Oxo-17b- carboxamide-4-aza-5a-androstanes and the Tautomerism of 3-Oxo-4-aza-5-androstenes
Researchers made two new compounds that could be used for medicine.
research Crystal Structure of 3-Oxo-4-Aza-5-Alpha-Androstone-17 β-Tert-Butyl Carboxamide with an O···H–(C, N) Acceptor Four-Center Hydrogen Bond
The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
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.
![Synthesis and In Vitro Study of 17β-[N-Ureylene-N,N′-Disubstituted]-4-Methyl-4-Aza-5α-Androstan-3-Ones as Selective Inhibitors of Type I 5α-Reductase](/images/research/d19df8a7-8de6-4430-8a0d-4ffa1f502985/small/15608.jpg)
research Synthesis and in vitro study of 17β-[N-ureylene-N,N′-disubstituted]-4-methyl-4-aza-5α-androstan-3-ones as selective inhibitors of type I 5α-reductase
New compounds were made that effectively block a specific enzyme related to androgen conditions.
research In vitro and In vivo Effects of 17β-N-(4-phenylcarbamoyl) androst-4-en-3- one Derivatives as 5a-reductase Inhibitors on Androgen-dependent Glands
Three compounds were found to inhibit a prostate disease-related enzyme and reduce prostate size more effectively than the current treatment, suggesting they could be used for treating benign prostatic hyperplasia.
![Activity of 17β-(N-Alkyl/Arylformamido) and 17β-[(N-Alkyl/Aryl) Alkyl/Arylamido]-4-Methyl-4-Aza-5α-Androstan-3-Ones as 5α-Reductase Inhibitors in the Hamster Flank Organ and Ear](/images/research/861159f1-7bd4-420c-a16b-4829458efe68/small/15592.jpg)
research Activity of 17β-(N-Alkyl/arylformamido) and 17β-[(N-Alkyl/aryl) alkyl/arylamido]-4-methyl-4-aza-5α-androstan-3-ones as 5α-Reductase Inhibitors in the Hamster Flank Organ and Ear11The research has been supported by Endorecherche that is seeking patent protection for the new compounds. F. Labrie is President of Endorecherche.
The compounds tested could potentially treat hair loss and alopecia.
research BindingDB Entry 50021519: Discovery of (2S)-N-(6-Cyano-5-(trifluoromethyl)pyridin-3-yl)-3-(6-(4-cyanophenyl)-3,6-diazabicyclo[3.1.1]heptan-3-yl)-2-hydroxy-2-methylpropanamide as a Highly Potent and Selective Topical Androgen Receptor Antagonist for Androgenetic Alopecia Treatment.
research Ultrasound-Assisted Facile Synthesis and Anticancer Evaluation of Novel N-(2-substituted phenyl-4-oxathiazolidine-3-carbonothioyl) benzamide
Researchers made new compounds that could potentially be developed into anticancer drugs.
research Patent Evaluation: Δ-4,6-Steroids as Potent 5α-Reductase Inhibitors
New steroids were patented as effective for treating acne, hair loss, and other conditions related to hormones.
research Caffeic acid N-[3,5-bis(trifluoromethyl)phenyl] amide as a non-steroidal inhibitor for steroid 5α-reductase type 1 using a human keratinocyte cell-based assay and molecular dynamics
Compound 4 is a promising treatment for hair loss with low toxicity.
research Suppression of uterine and placental ferroptosis by N-acetylcysteine in a rat model of polycystic ovary syndrome
N-acetylcysteine may help treat uterine and placental issues in PCOS.
research Novel azaandrostane derivatives for the synthesis of 17β‐(N‐tert‐butyl carbamoyl)‐4‐aza‐5α‐androst‐1‐ene‐3‐one
A new method to make finasteride for hair loss treatment was developed.
research Azasteroids as inhibitors of testosterone 5α-reductase in mammalian skin
Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
research Metabolite screening of aromatic amine hair dyes usingin vitrohepatic models
The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
research Peroxisome proliferator-activated receptor-γ signalling protects hair follicle stem cells from chemotherapy-induced apoptosis and epithelial–mesenchymal transition
Activating PPAR-γ signalling can protect hair follicle stem cells from damage caused by chemotherapy.
research Prostaglandin D2 Uses Components of ROS Signaling to Enhance Testosterone Production in Keratinocytes
Prostaglandin D2 increases testosterone production in skin cells through a process involving reactive oxygen species, and antioxidants may help treat hair loss.
research Reconnection of cysteine in reduced hair with alkylene dimaleates via thiol‐Michael click chemistry
A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
research Nipple Differentiation in Fetal Male Rats Treated with an Inhibitor of the Enzyme 5α-Reductase: Definition of a Selective Role for Dihydrotestosterone*
Blocking a specific enzyme in male rat fetuses leads to the development of nipples and feminized genitalia.
research Bioactivity guided isolation and characterization of the phytoconstituents from the Tridax procumbens
Tridax procumbens plant parts boost immune response in mice.
research Dyeing behaviours of amino heterocyclic compounds as blue oxidative hair dye precursors applied to keratin fibres
1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
research Nano-CoCr2O4 Catalysts Promote the Synthesis of Diamino Pyrimidine Oxide Derivatives
CoCr2O4 catalysts effectively and sustainably produce diaminopyrimidine oxides with high yield.
research THE USE OF AUTORADIOGRAPHY TO STUDY THE LOCALIZATION OF GERMICIDES IN SKIN
Germicides mostly stay on the skin's surface, but some penetrate deeper depending on the product used.
research Preparation of finasteride by selective dehydrogenation using IBX
The method produces finasteride with a 92% yield.
research Synthesis of 5α-Reductase Special inhibitor Finasteride
Finasteride is made through a series of chemical reactions starting from a specific intermediate compound.
research New approach to 3-oxo-4-aza-5α-androst-1-ene-17β-(--butylcarboxamide)
A new method was developed to make finasteride for treating hair loss.
research Trichotillomania: a good response to treatment with N-acetylcysteine
N-acetylcysteine effectively treats trichotillomania.
research Prooxidant and antioxidant action of 4-(4-phenoxybenzoyl)benzoic acid derivatives
4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.
research The Novel Excipient, Dodecyl-2-N, N-dimethylaminopropionate Hydrochloride (DDAIP-HCl) Improves the Flux of Minoxidil in Human Skin
DDAIP-HCl significantly increases minoxidil absorption into the skin.
research The fatty acids and the skin: a focus on the n-6 family of unsaturated fatty acids
Linoleic acid is important for healthy skin, and while most people get enough from their diet, not having enough can cause skin and hair problems.