Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
1993-7-12
pubmed:abstractText
The chemopreventive effect of 5, 10 and 15 p.p.m. (as selenium) of 1,4-phenylenebis(methylene)selenocyanate (p-XSC) on lung tumor induction by the tobacco-specific 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) was examined in female A/J mice by administering p-XSC in the diet. Sodium selenite (5 p.p.m. selenium) was given in the same manner for comparison with p-XSC. Mice were fed experimental diets containing the selenium compounds 1 week before i.p. injection of 10 mumol NNK in 0.1 ml saline and throughout the experiment until termination, 16 weeks after carcinogen administration. Body weights of the mice in the different dietary groups did not differ significantly. p-XSC significantly inhibited lung tumor multiplicity from 7.6 tumors per mouse in the control group to 4.1, 3.3 and 1.8 tumors per mouse in animals given 5, 10 and 15 p.p.m. of selenium respectively. In contrast, 5 p.p.m. sodium selenite had no protective effect against lung tumor induction. The results of this study clearly indicate that the structure of selenium-containing compounds is important in determining their efficacy as chemopreventive agents.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0143-3334
pubmed:author
pubmed:issnType
Print
pubmed:volume
14
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1111-3
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Inhibition of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone tumorigenicity in mouse lung by the synthetic organoselenium compound, 1,4-phenylenebis(methylene)selenocyanate.
pubmed:affiliation
American Health Foundation, Valhalla, NY 10595.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.