etiocholanolone


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e·ti·o·cho·lan·o·lone

(ē'tē-ō-kō-lan'ō-lōn),
A metabolite of adrenocortical and testicular hormones, and an important urinary 17-ketosteroid; produces fever when given to human beings.

etiocholanolone

(ē″tē-ō-kō-lăn′ō-lōn)
A steroid produced by testosterone catabolism. It is excreted in the urine.
References in periodicals archive ?
A 24-hour-urine adrenal steroid profile by GC-mass spectrometry showed robust Cortisol and cortisone but low precursors and, significantly, excessive 5[alpha]-R activity by increased androsterone relative to etiocholanolone.
A random dope test was conducted on the athlete in the last week of June and Inderjeet's ' A' sample tested positive for steroids androsterone and etiocholanolone.
In the liver, testosterone is converted by a series of enzymatic steps into androsterone, etiocholanolone, DHT, and 3-androstanediol.
Simultaneous OF testosterone, epitestosterone, dihydrotestosterone, DHEA, androsterone, etiocholanolone, and [alpha]- and [beta]-androstanediol quantification collected with the Quantisal device were presented, but never published (40).
etiocholanolone and dimethyl sulfoxide were from Sigma Chemical Co.
The research has revealed that in certain rare circumstances, a chemical reaction can occur in the bottle after a urine sample has been provided, whereby two endogenous hormones, androsterone (A) and etiocholanolone (E), are converted into 19-NA and 19-NE, metabolites of nandrolone that are tested for in doping analysis.
of Median Androgens 24hr Dry DHEA 13% 18% Androsterone 37% 48% Etiocholanolone 57% 69% Testosterone 21% 18% 5a-Ansdrostanediol 55% 60% 5b-Ansdrostanediol 27% 43%
Androgen metabolites are analyzed separately by sex, since male androgen metabolites in this age group are increased from testicular-derived androsterone and etiocholanolone.
The testosterone metabolites androsterone and etiocholanolone can be measured in 24-hour urine, while the best androgen metabolites in the serum to assess are dihydrotestosterone and androstanediol glucuronide, which concentration is on the average double that of testosterone.
13]C values for acetylated androsterone and etiocholanolone as described previously (13).
Testosterone, testosterone glucuronide (TG), androsterone, androsterone glucuronide (AG), etiocholanolone, etiocholanolone glucuronide (EtG), 17[alpha]-hydroxyprogesterone (17[alpha]OHP), and Escherichia coli [beta]-glucuronidase were purchased from Sigma.
Saliva requires careful Etiocholanolone attention to collection procedures to avoid falsely elevated testosterone levels.