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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

Related topics

Related topics

2 relations

Broader (1)

Androstenedione
analogs & derivatives

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2008
2008
Evidence of the indirect hormonal activity of prohormones using liver S9 metabolic bioactivation and an androgen bioassay
Prohormones such as dehydroepiandrosterone (DHEA) are steroid precursors that do not show hormonal activity by themselves. Abuse… 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
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
Highly Cited
2001
Highly Cited
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
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
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
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
Highly Cited
1982
Highly Cited
1982
Synthesis and evaluation of 10β-substituted 4-estrene-3,17-diones as inhibitors of human placental microsomal aromatase
Abstract This paper describes the synthesis of a series of new 10β-substituted 4-estrene-3,17-dione analogs ( 1–8 ). These… Expand
1966
1966
Metabolism of 19-nortestosterone by human prostate.
Abstract The metabolism of testosterone by human benign hypertrophic prostate to 19-norandrost-4-ene-3,17-dione (∼1%), 19-nor-5… Expand
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