Implication of human UGT2B7, 2B15 and 2B17 in 19-norandrosterone metabolism [PDF]
Frontiers in Endocrinology, 2013 Nandrolone (19-nortestosterone) is an anabolic androgenic steroid commonly abused for doping purposes. Nandrolone is mainly metabolized in the liver into 19-norandrosterone prior to glucuronidation and excretion through urine over an extended period of ...
Emmanuel eStrahm +4 more
doaj +6 more sources
Significance of 19-norandrosterone in athletes' urine samples. [PDF]
Br J Sports Med, 2006 Nandrolone and other 19-norsteroid potent anabolic steroids have been prohibited in sports for 30 years. The detection of the main urinary metabolite—19-norandrosterone—in amounts greater than 2 ng/ml constitutes an adverse analytical finding. The presence in nutritional sport supplements of steroids not listed on the label has undoubtedly resulted in ...
Ayotte C.
europepmc +6 more sources
Excretion of 19‐norandrosterone after consumption of boar meat [PDF]
Drug Testing and Analysis, 2020 AbstractThe consumption of the offal of noncastrated pigs can lead to the excretion of 19‐norandrosterone (NorA) in urine of humans. In doping control, GC/C/IRMS is the method of choice to differentiate between an endogenous or exogenous origin of urinary NorA.
Frank Hülsemann +3 more
wiley +4 more sources
Quantification and Profiling of 19-Norandrosterone and 19-Noretiocholanolone in Human Urine after Consumption of a Nutritional Supplement and Norsteroids [PDF]
Journal of Analytical Toxicology, 2005 Nandrolone is one of the synthetic anabolic steroids banned in sports and has been a popular substance abused by athletes in recent years. One of its major metabolites, 19-norandrosterone (19-NA), has been used as a determinant for drug violations in sports.
Y. L. Tseng +2 more
openalex +4 more sources
South African Journal of Sports Medicine, 2003 SA Sports Medicine Vol.15(2) 2003: 14 ...
PJ van der Merwe, Ebeth Grobbelaar
openalex +5 more sources
Exogenous Versus Endogenous Nandrolone in Doping Investigations: A Systematic Literature Review [PDF]
Applied SciencesNandrolone, or 19-nortestosterone, is an anabolic steroid derived from testosterone, known for its androgenic and anabolic effects. Often used illicitly by athletes to boost performance, its use is banned by the World Anti-Doping Agency (WADA) in and out
Roberto Scendoni +7 more
doaj +3 more sources
Журнал Белорусского государственного университета: Химия, 2019 Nandrolone is an anabolic androgenic steroid. The use of this substance is prohibited by World Anti-Doping Agency (WADA). In National Anti-Doping Laboratory, we have developed method for quantitative determination of major nandrolone metabolite – 19 ...
Pavel G. Shahoika +5 more
doaj +1 more source
Prevalence of Prohibited Substance Use and Methods by Female Athletes: Evidence of Gender-Related Differences. [PDF]
Front Sports Act Living, 2022 Collomp K +3 more
europepmc +1 more source
Can Muscle Building Supplements Increase Testicular Cancer Risk? [PDF]
Front Nutr, 2022 Girardi KG, Zheng T, Zhu Y.
europepmc +1 more source
Combined Metabolome and Transcriptome Analysis of Creamy Yellow and Purple Colored Panax notoginseng Roots. [PDF]
Life (Basel), 2023 He M, Zhang G, Huo D, Yang S.
europepmc +1 more source