Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
1983-7-8
pubmed:abstractText
4-Nitroestrone 3-methyl ether has been shown to be an effective growth inhibitor of certain dimethylbenz(a)anthracene-induced rat mammary tumors in intact or ovariectomized rats. When administered at optimum levels (24 mg/kg daily), this A-ring-substituted estrone displayed no toxicity, slight estrogenicity, and an antitumor activity which was comparable to that of tamoxifen and nafoxidine and was surpassed only by ovariectomy or pharmacological doses of 17 beta-estradiol 3-benzoate. In addition, the appearance of mammary tumors was prevented when this estrogen derivative was administered to rats just prior to or after dimethylbenz(a)anthracene intubation. Unique to the action of the methyl ether of 4-nitroestrone on mammary tumors was the destruction of adenocarcinomas while permitting the appearance of fibroadenomas. Systemically, 4-nitroestrone 3-methyl ether brought about focal atrophy within the pituitary and ovaries while causing moderate hypertrophy of the uterus. Plasma prolactin was unaffected.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:volume
43
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2611-7
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1983
pubmed:articleTitle
Effects of 4-nitroestrone 3-methyl ether on dimethylbenz(a)anthracene-induced mammary tumors.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't