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pubmed:abstractText |
Murine L-929 cells were treated with benzene or a series of benzene metabolites, washed and then interferon-alpha/beta was induced with polyriboinosinic-polyribocytidylic acid. Exposure of the cells to benzene or phenol, a monocyclic metabolite of benzene, did not affect interferon-alpha/beta induction. However, exposure of the cells to p-benzoquinone, hydroquinone or catechol, dihydroxy- and diketo-metabolites of benzene, resulted in a severe inhibition of interferon-alpha/beta production. There was no significant loss of viability of the cell cultures. Additional studies with p-benzoquinone indicated that inhibition of interferon-alpha/beta was reversible and could be abrogated by addition of reduced glutathione to the cell cultures.
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