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Combined effects of selected Penicillium mycotoxins on in vitro proliferation of porcine lymphocytes

Combined effects of selected Penicillium mycotoxins on in vitro proliferation of porcine lymphocytes

Mycopathologia 158(4): 441-450

The in vitro effect of combinations of the Penicillium mycotoxins citrinin (CIT), cyclopiazonic acid (CPA), ochratoxin A (OTA), patulin (PAT), penicillic acid (PIA) and roquefortine C (RQC) on mitogen induced lymphocyte proliferation was determined using purified lymphocytes from six piglets. Dose-response curves for each mycotoxin and mycotoxin combinations were generated. The combined effects of toxin pairs based on IC20 were illustrated in isobole diagrams and statistically calculated. OTA and CIT elicited a synergistic effect. Four toxin pairs elicited additive effects, four pairs less-than-additive effects and six pairs independent effects. Thus, the majority of toxin pairs tested produced lower combined effects than an additive effect. The results indicate that the sum effect of all toxins is less than that from the summation of concentrations of the individual compounds, adjusted for differences in potencies.

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Accession: 004078419

Download citation: RISBibTeXText

PMID: 15630553

DOI: 10.1007/s11046-004-2843-z

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