| Literature DB >> 7935861 |
Abstract
Allopurinol, a xanthine oxidase inhibitor, impaired the cytotoxic effect of human recombinant tumor necrosis factor (TNF) against WEHI cells. Actinomycin D abolished the inhibition of cytotoxicity by allopurinol. Allopurinol also exerted an inhibitory effect on the production of TNF by human mononuclear cells stimulated by either heat-killed Staphylococcus aureus or E. coli lipopolysaccharide. It is suggested that allopurinol inhibits TNF cytotoxicity by decreasing the level of oxygen free radicals generated (among other mechanisms) by the action of xanthine oxidase. Whatever the mechanism, the fact that allopurinol counteracts the toxicity of TNF can help towards an understanding of the complex nature of TNF toxicity.Entities:
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Year: 1994 PMID: 7935861 DOI: 10.1007/bf00180017
Source DB: PubMed Journal: Naunyn Schmiedebergs Arch Pharmacol ISSN: 0028-1298 Impact factor: 3.000