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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1995-6-29
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pubmed:abstractText |
Some 4-fluorinated analogues of 3-oxo-delta 4 steroids and 4-cyano derivatives of progesterone and androstenedione were evaluated as inhibitors of steroid 5 alpha-reductase activity. Inhibitors of this enzyme may be useful in treating prostatic cancer. 4-Fluoroandrostenedione was a modest inhibitor of the rat enzyme (IC50 = 4.08 microM), while 4-cyanoprogesterone was a potent inhibitor of both the rat and human enzymes (IC50 values = 0.045 microM and 0.050 microM respectively). These two steroids were tested in vivo for activity against androgen sensitive organs in WHT mice. 4-Fluoroandrostenedione caused increases in organ weights, suggesting it is an androgen agonist, while the 4-cyano compound displayed modest androgen ablation. Therefore substitutions at the 4-position may produce compounds of therapeutic use in treating prostate cancer.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/3-Oxo-5-alpha-Steroid...,
http://linkedlifedata.com/resource/pubmed/chemical/5-alpha Reductase Inhibitors,
http://linkedlifedata.com/resource/pubmed/chemical/Androstenedione,
http://linkedlifedata.com/resource/pubmed/chemical/Ketosteroids,
http://linkedlifedata.com/resource/pubmed/chemical/Progesterone
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pubmed:status |
MEDLINE
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pubmed:issn |
8755-5093
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
8
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
17-23
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:7539066-3-Oxo-5-alpha-Steroid 4-Dehydrogenase,
pubmed-meshheading:7539066-5-alpha Reductase Inhibitors,
pubmed-meshheading:7539066-Androstenedione,
pubmed-meshheading:7539066-Animals,
pubmed-meshheading:7539066-Isomerism,
pubmed-meshheading:7539066-Ketosteroids,
pubmed-meshheading:7539066-Male,
pubmed-meshheading:7539066-Mice,
pubmed-meshheading:7539066-Organ Size,
pubmed-meshheading:7539066-Progesterone,
pubmed-meshheading:7539066-Prostate,
pubmed-meshheading:7539066-Rats,
pubmed-meshheading:7539066-Rats, Wistar,
pubmed-meshheading:7539066-Seminal Vesicles
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pubmed:year |
1994
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pubmed:articleTitle |
Evaluation of some 4-fluoro- and 4-cyano derivatives of delta 4,3-ketosteroids as inhibitors of testosterone 5 alpha-reductase.
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pubmed:affiliation |
Drug Development Section, CRC Laboratory, Sutton, Surrey, UK.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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