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Electron microscopic observations of hepatic and subcutaneous hemangiosarcomas induced in mice exposed to vinyl chloride monomer.

Authors
Suzuki-Y
Source
Am J Ind Med 1981; 2(2):103-117
NIOSHTIC No.
00121461
Abstract
The ultrastructural characteristics of tumors induced in mice by vinyl-chloride (75014) were studied. Male mice were exposed by inhalation to 0 to 600 parts per million vinyl-chloride for 4 weeks. Animals were killed 0 to 65 weeks after exposure, and tissues were examined by electron microscope. Hemangiosarcomas and, more frequently, alveologenic tumors were induced. There was no ultrastructural difference between hemangiosarcomas induced by vinyl- chloride and those not related to exposure to this chemical. Although a clear dose dependence was not seen in hemangiosarcoma induction, the induction of alveologenic tumors was clearly dose related. The author concludes that in the mouse the alveolar epithelium is more sensitive than the capillary endothelium to the carcinogenicity of vinyl-chloride.
Keywords
NIOSH-Publication; NIOSH-Grant; Laboratory-animals; Tumorigenesis; Ultrastructure; Carcinogenesis; Chlorinated-ethylenes; Vinyl-plastics; Dose-response
Contact
Community Medicine Mount Sinai School of Med Fifth Avenue & 100Th Street New York, N Y 10029
CODEN
AJIMD8
CAS No.
75-01-4
Publication Date
19810101
Document Type
Journal Article
Funding Amount
286553.00
Funding Type
Grant
Fiscal Year
1981
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00681
Issue of Publication
2
ISSN
0271-3586
Source Name
American Journal of Industrial Medicine
State
NY
Performing Organization
Mount Sinai School of Medicine, New York, New York
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