Comparative mammalian metabolism of vinyl chloride and vinylidene chloride in relation to oncogenic potential.
Author(s) -
D. E. Hathway
Publication year - 1977
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.1289/ehp.772155
Subject(s) - vinyl chloride , chloride , purine , metabolism , chemistry , dna , biochemistry , carcinogen , pyrimidine , biology , enzyme , organic chemistry , copolymer , polymer
Elucidation of the role of vinyl chloride metabolites in the various reaction sequences which comprise the metabolic pathway, including the interaction of reactive metabolities with some purine and pyrimidine residues of target-organ DNA, provides some explanation for the (oncogenic) properties associated with the original substance. Comparative investigation of the biological fate of vinylidene chloride reveals an agent of low oncogenic potential which is likely to be damaging only under special circumstances, and species differences which suggest that the mouse is more susceptible than the rat towards vinylidene chloride oncogenicity.
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