research Antihormonal properties of some new A-homo-B, 19-dinor steroids of the androstane series
New A-homo-B, 19-dinor steroids showed strong antiandrogenic activity without affecting the enzyme 5α-reductase or androgen receptor binding.
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30 / 1000+ results![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 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 Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research Finasteride and Suicide: A Postmarketing Case Series
Finasteride may increase suicide risk; more research needed.
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.
research Cloning of a Functional Vitamin D Receptor from the Lamprey (Petromyzon marinus), an Ancient Vertebrate Lacking a Calcified Skeleton and Teeth
Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
research Serum C-19 steroid sulphates in females with clinical hyperandrogenism
Women with hyperandrogenism have higher androgen levels and lower SHBG, which may contribute to conditions like excessive hair growth and early puberty.
![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 Synthesis, antiproliferative activity, acute toxicity and assessment of the antiandrogenic activities of new androstane derivatives
research Steroid Sulfatase: Molecular Biology, Regulation, and Inhibition
The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.
research Advances in Aesthetic Therapies: Plasma-Rich Protein Procedure for the Treatment of Alopecia
Platelet-rich plasma therapy shows promise for hair regrowth in alopecia patients.
research Design, synthesis and biological evaluation of novel androst-3,5-diene-3-carboxylic acid derivatives as inhibitors of 5α-reductase type 1 and 2
New chemical compounds were made that effectively block an enzyme linked to prostate growth.
research Thiohydrazides in the Synthesis of Functionalized Extranuclear Heterosteroids
New steroid derivatives show promise as anticancer agents, even against resistant cells.
research A new target for squamous cell skin cancer?
Prostaglandins and the enzyme AKR1C3 could play a role in skin cancer and hair loss, and further research is needed to understand these mechanisms.
research Atherogenesis: Estrogen Induction of Polysialylated nCAM (PSA-nCAM) Blocks Monocyte Capture by Vascular Endothelial Cells
Estrogen helps prevent artery plaque by stopping monocyte capture in blood vessels.
research Estuarine bed-sediment-quality data collected in New Jersey and New York after Hurricane Sandy, 2013
Hurricane Sandy increased contamination in estuarine sediments in New Jersey and New York.
research Ovarian Hilus-Cell Hyperplasia and High Serum Testosterone in a Patient With Postmenopausal Virilization
A woman's male-like symptoms and high testosterone were due to ovarian hilus-cell hyperplasia, which improved after surgery.
research Intracrinology and The Skin
DHEA stimulates skin oil glands and could help postmenopausal women, with potential for acne and excessive hair growth treatments.
research Safety concerns regarding 5α reductase inhibitors for the treatment of androgenetic alopecia
5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
research Is dehydroepiandrosterone a hormone?
Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.
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 What is the Rationale for Androgen Therapy for Women?
Testosterone therapy can help improve mood, sexual function, and bone health in women with low androgen levels, but more research is needed to establish safe and effective guidelines.
research Urinary steroids in women with androgenic alopecia
Women with hair loss had higher levels of certain hormones, suggesting a link to a condition like PCOS.
research Is the metabolism of testosterone to 5α-dihydrotestosterone required for androgen action in the skin?
Testosterone conversion to 5α-DHT may not be essential for its effects on the skin.
research Increased DHT levels in androgenic alopecia have been selected for to protect men from prostate cancer
Higher DHT in male baldness may protect against prostate cancer.
research Urinary steroid analysis of women with effluvium
Women with effluvium have higher levels of certain urinary steroids, possibly due to stress and increased adrenal activity.
research External genitalia abnormalities in male rats exposed in utero to finasteride, a 5α-reductase inhibitor
Finasteride exposure in pregnancy causes genital abnormalities in male rats.
research Molecular epidemiology of hypospadias: Review of genetic and environmental risk factors
Both genes and environmental factors like chemicals may contribute to the increase in hypospadias, but the exact causes are still unclear.