Tumour necrosis factor (TNF-alpha) was induced by bacterial lipopolysaccharides (LPS)/phytohemagglutin (PHA) stimulated human whole blood in vitro. Levels of TNF-alpha were evaluated by enzyme-linked immunosorbent assay. Blood samples treated with polychlorinated biphenyls (PCB 77, PCB 126) exhibited impairment of TNF-alpha release: 50 pg/microl PCB reduced by up to 66% and 500 pg/microl PCB reduced by up to 93% the TNF-alpha release compared with the controls.
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| http://dx.doi.org/10.1046/j.1439-0442.2002.jv406.x | DOI Listing |
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