December 2013 in “Estudo Geral (Universidade de Coimbra)” This research investigated the design and synthesis of steroid-based compounds as aromatase inhibitors for breast cancer, finding that certain structural modifications significantly enhance their inhibitory potency.
1 citations
,
September 2023 in “Journal of Education Health and Sport” This study provides a comprehensive analysis of anabolic-androgenic steroids, reporting that their use enhances muscle mass but is associated with significant health issues including cardiac muscle hypertrophy, liver disease, and changes in gender characteristics, emphasizing the need for patient awareness of these risks.
186 citations
,
December 2011 in “Molecules” This study reported that while no synthesized compounds surpassed finasteride in 5α-reductase inhibitory activity, certain 4-azasteroid-2-oximes exhibited notable inhibition.
56 citations
,
January 1999 in “The Analyst” This study used gas chromatography-mass spectrometry to simultaneously quantify androstenedione, dihydrotestosterone, dehydroepiandrosterone, testosterone, androsterone, etiocholanolone, progesterone, and pregnenolone in human hair, detecting differences in steroid concentrations between male and female samples.
7 citations
,
June 1989 in “Steroids” In this study, the synthesis of C-4 and C-6 bridged haptens of 11 alpha-hydroxyprogesterone revealed an unexpected formation of a C-4 substituted product using a 6-bromo derivative, contrary to prior reports.
23 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” This study found that several synthesized pregnane derivatives exhibited significant inhibitory effects on testosterone conversion to dihydrotestosterone and reduced related androgenic parameters in multiple pharmacological models.
431 citations
,
October 2008 in “Current Medicinal Chemistry” This review focuses on coumarin analogs with potential antibreast cancer activities but reports no new clinical results, highlighting their mechanisms of action and structure-activity relationships.
42 citations
,
May 2003 in “Mini-reviews in Medicinal Chemistry” This study found that newly synthesized steroidal trienones demonstrated stronger 5α-reductase inhibitory activity compared to dienones in various biological models, suggesting potential for developing enhanced antiandrogenic drugs.
5 citations
,
January 2005 in “Journal of Enzyme Inhibition and Medicinal Chemistry” This study found that certain steroidal compounds, especially 10a–10c, demonstrated strong antiandrogenic activity by binding to the androgen receptor and reducing prostate weight in a hamster model.
289 citations
,
May 2003 in “Journal of Investigative Dermatology” This study demonstrates that human skin is capable of steroid hormone synthesis, but its role in androgenic skin disorders like acne and alopecia is yet to be clarified.
106 citations
,
April 2010 in “ACS Nano” This study found that about 80% of known fullerene-binding proteins rank in the top 10% of scorers for C60 docking sites, confirming the accuracy of the predictive model used.
18 citations
,
December 2005 in “Journal of Medicinal Chemistry” In this study, novel substituted benzoyl benzoic acids and phenylacetic acids were potent and selective inhibitors of human steroid 5alpha-reductase type 2, with one compound showing promising bioavailability in rats for potential clinical evaluation.
6 citations
,
February 2020 in “Journal of Natural Products” In this chemical investigation, cyclospongiaquinone 1 from the sponge Verongula cf. rigida showed strong steroid 5α-reductase inhibitory activity, comparable to that of finasteride.
1 citations
,
January 2021 in “Prague medical report” This article reviews the potential male equivalent of polycystic ovarian syndrome, focusing on hormonal alterations and premature androgenic alopecia, but reports no new clinical findings; the authors highlight the need for further studies on adrenal steroids and other factors.
22 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” This study found that two new progesterone derivatives showed higher antiandrogenic effects and 5α-reductase inhibition than finasteride in hamsters, particularly reducing seminal vesicle weight and flank organ size.
45 citations
,
February 2005 in “Steroids” This study reported that certain newly synthesized steroidal derivatives showed stronger inhibitory activity against the 5α-reductase enzyme than finasteride in hamsters, suggesting their potential as enzyme inhibitors.
15 citations
,
May 2009 in “Steroids” This study found that progesterone derivatives with chlorine or bromine substituents were effective in inhibiting 5α-reductase activity in human prostate and exhibited antiandrogenic effects in hamster flank organs.
14 citations
,
June 2011 in “Steroids” This study found that several dehydroepiandrosterone ester derivatives effectively reduced prostate and seminal vesicle weight in gonadectomized hamsters treated with testosterone, demonstrating potential antiandrogen effects comparable to Finasteride.
3 citations
,
August 2014 in “Steroids” Fermentation of Finasteride with Ocimum sanctum L. creates new metabolite that inhibits tyrosinase.
38 citations
,
September 2019 in “Chinese Medical Journal” This review discusses the cardiovascular risks associated with anabolic-androgenic steroid use and reports that, despite known toxic effects, further research is needed to clarify the causality of these risks.
26 citations
,
October 2011 in “International Journal of Biological Macromolecules” This study found that some synthesized heterocyclic derivatives showed promising 5α-reductase inhibitor, antiviral, and anti-tumor activities, surpassing several reference drugs in effectiveness.
23 citations
,
March 2019 in “Environmental Chemistry Letters” This review examines the role of cyclodextrins in improving the solubility, stability, and bioavailability of steroid drugs but does not report new experimental findings.
19 citations
,
March 2010 in “Bioorganic & Medicinal Chemistry Letters” This study evaluated curcumin analogues as potential inhibitors of 17β-HSD3 in rat and human models, but it does not report new clinical findings.
55 citations
,
July 1999 in “Clinics in Sports Medicine” This review discusses recent data on the use of anabolic-androgenic steroids and other steroid compounds and reports no new clinical results.
24 citations
,
September 2005 in “Journal of Cellular Biochemistry” This study found that all-trans and 9-cis retinoic acids increase steroid sulfatase activity in HL60 cells through mechanisms involving RARα/RXR heterodimers and multiple signaling pathways.
20 citations
,
January 2003 in “Chemical and Pharmaceutical Bulletin” This study reports that five new progesterone derivatives demonstrated inhibitory activity against the 5α-reductase enzyme and binding affinity for the androgen receptor in an in vitro hamster model.
13 citations
,
August 2007 in “Bioorganic & medicinal chemistry letters” This study developed a new competitive 5alpha-reductase inhibitor with an IC(50) of 0.84 microM using a novel chemical structure.
5 citations
,
January 2017 in “Biomedical Research-tokyo” This review examines the long-term health risks of anabolic-androgenic steroid abuse in athletes, reporting various physical and psychological side effects without sufficient benefits.
1 citations
,
December 2024 in “Journal of Education Health and Sport” In this review, anabolic steroid use was reported to increase risks such as cardiovascular issues, liver damage, endocrine disruptions, and musculoskeletal injuries, with psychological impacts also noted, underscoring the need for education and preventive strategies.
1 citations
,
March 2012 in “Journal of Dermatological Science” This study found that various steroids affected the mRNA expression of enzymes involved in lipid metabolism in hamster flank organs, with different impacts depending on the steroid and combination used.