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19-norandrostenedione

Known as: delta4-Estrene-3,17-dione, 19-norandrost-4-ene-3,17-dione, estr-4-ene-3,17-dione 
 
National Institutes of Health

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2 relations

Broader (1)

Androstenedione
analogs & derivatives

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2009
2009
Steroid metabolism in chimeric mice with humanized liver.
Anabolic androgenic steroids are considered to be doping agents and are prohibited in sports. Their metabolism needs to be… Expand
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2009
2009
Anabolic and androgenic activity of 19-norandrostenedione after oral and subcutaneous administration--analysis of side effects and metabolism.
One of the most frequently misused steroid precursors (prohormones) is 19-norandrostenedione (estr-4-ene-3,17-dione, NOR… Expand
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2004
2004
Analytical strategies for the detection of non-labelled anabolic androgenic steroids in nutritional supplements
Recent studies showed that non-hormonal supplements such as vitamins, minerals and amino acids can contain anabolic androgenic… Expand
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2002
2002
Effects of norandrostenedione and norandrostenediol in resistance-trained men.
The purpose of this study was to determine the effects of norsteroid supplementation (224 mg of 19-nor-4-androstene-3,17-dione… Expand
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2001
2001
Detection and determination of anabolic steroids in nutritional supplements.
A method is described for the determination of anabolic steroids including testosterone, 19-nor-4-androstene-3,17-dione, 4… Expand
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2001
2001
Searching for the physiological function of 17β-hydroxysteroid dehydrogenase from the fungus Cochliobolus lunatus: studies of substrate specificity and expression analysis
17beta-hydroxysteroid dehydrogenase from the filamentous fungus Cochliobolus lunatus (17beta-HSDcl) has recently been… Expand
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2001
2001
The effects of supplementation with 19-nor-4-androstene-3,17-dione and 19-nor-4-androstene-3,17-diol on body composition and athletic performance in previously weight-trained male athletes
Abstract. The purpose of this study was to determine the effects of 8 weeks of norsteroid supplementation on body composition and… Expand
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Highly Cited
2000
Highly Cited
2000
Trace contamination of over-the-counter androstenedione and positive urine test results for a nandrolone metabolite.
CONTEXT Several anabolic steroids are sold over-the-counter (OTC) in the United States, and their production is not regulated by… Expand
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1993
1993
Fluorine-18-labeled progestin ketals: synthesis and target tissue uptake selectivity of potential imaging agents for receptor-positive breast tumors.
We have studied two new fluorine-substituted progestins as potential imaging agents for progesterone-receptor-positive human… Expand
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1989
1989
Steroids in equine testes: the identification of endogenous 19-hydroxy and 19-nor neutral steroids by gas chromatography--mass spectrometry.
After homogenization of testicular tissue from stallions aged 1, 2 and 5 years, the unconjugated and conjugated steroids were… Expand
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