Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
1983-8-26
pubmed:abstractText
Styrene induces sister chromatid exchanges (SCEs) in human whole-blood lymphocyte cultures without exogenous metabolizing systems, which indicates that styrene is metabolically activated in this in vitro system. Whole-blood lymphocyte cultures from 11 male donors showed a clear increase in SCEs after a 48-hr treatment with styrene (2 mM) or with the reactive metabolite styrene 7,8-oxide (0.15 mM). Styrene (0.5 to 4 mM) induced a distinct dose-dependent increase of SCEs in whole-blood cultures (with 200 to 400 million red blood cells/ml) but only a slight effect in purified lymphocyte cultures (with 20,000 red blood cells/ml). SCE induction by styrene (2 mM) depended on the amount of red blood cells (0.02 to 2000 million/ml) added to the purified lymphocyte cultures. Cyclophosphamide, studied for comparison, clearly increased SCEs irrespective of the presence of erythrocytes. The results show that erythrocytes are essential for the activation of styrene in the lymphocyte test system. This activation probably results from the conversion of styrene into styrene 7,8-oxide by oxyhemoglobin.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0008-5472
pubmed:author
pubmed:issnType
Print
pubmed:volume
43
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3579-82
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1983
pubmed:articleTitle
Metabolic activation of styrene by erythrocytes detected as increased sister chromatid exchanges in cultured human lymphocytes.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't