Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1988-7-14
pubmed:abstractText
Proliferative vascular lesions of the heart were found in mice exposed chronically to 1,3-butadiene by inhalation with an overall incidence of 30% in males and 43% in females. Based on histological criteria, the lesions were subclassified as endothelial hyperplasia with an incidence of 7% in males and 13% in females and hemangiosarcoma with an incidence of 23% and 30%, respectively. A dose-relationship for both lesions was observed in females, but not in males. The absence of a dose response in males was most likely due to the lower survival rate for high-dose animals (14%) when compared to the lower-dose animals (22%). Endothelial hyperplasia was characterized by widened vascular spaces lined by a single layer of plump endothelial cells. When cellular pleomorphism and piling up of endothelial nuclei were observed, the lesion was diagnosed as hemangiosarcoma. Ultrastructural examination of hemangiosarcomas revealed lumen formation, intercellular junctions and cytoplasmic filaments. Pinocytotic vesicles which are 1 of the characteristics of endothelial cells could not be identified with certainty. Weibel-Palade bodies were not detected in the neoplastic endothelium. Metastatic lesions were observed in liver, lung and kidney. To date, 1,3-butadiene is the only carcinogen reported that induces proliferative vascular lesions in the heart of mice.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0192-6233
pubmed:author
pubmed:issnType
Print
pubmed:volume
16
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
46-52
pubmed:dateRevised
2009-7-1
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Primary cardiac hemangiosarcomas induced by 1,3-butadiene in B6C3F1 hybrid mice.
pubmed:affiliation
National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709.
pubmed:publicationType
Journal Article