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- W2208331809 abstract "Aflatoxin B1 (AFB1), ochratoxin A (OTA) and fumonisin B1 (FB1) are important mycotoxins in terms of human exposure via food, their toxicity and regulatory limits that exist worldwide. Mixtures of toxins can frequently be present in foods, however due to the complications of determining their combined toxicity, legal limits of exposure are determined for single compounds, based on long standing toxicological techniques. High content analysis (HCA) may be a useful tool to determine total toxicity of complex mixtures of mycotoxins. Endpoints including cell number (CN), nuclear intensity (NI), nuclear area (NA), plasma membrane permeability (PMP), mitochondrial membrane potential (MMP) and mitochondrial mass (MM) were compared to the conventional 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide (MTT) and neutral red (NR) endpoints in MDBK cells. Individual concentrations of each mycotoxin (OTA 3 μg/ml, FB1 8 μg/ml and AFB1 1.28 μg/ml) revealed no cytotoxicity with MTT or NR but HCA showed significant cytotoxic effects up to 41.6% (p ≤ 0.001) and 10.1% (p ≤ 0.05) for OTA and AFB1, respectively. The tertiary mixture (OTA 3 μg/ml, FB1 8 μg/ml and AFB1 1.28 μg/ml) detected up to 37.3% and 49.8% more cytotoxicity using HCA over MTT and NR, respectively. Whilst binary combinations of OTA (3 μg/ml) and FB1 (8 μg/ml) revealed synergistic interactions using HCA (MMP, MM, NI endpoints) not detected using MTT or NR. HCA is a highly novel and sensitive tool that could substantially help determine future regulatory limits, for single and combined toxins present in food, ensuring legislation is based on true risks to human health exposure." @default.
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- W2208331809 date "2015-10-01" @default.
- W2208331809 modified "2023-09-23" @default.
- W2208331809 title "Safety assessment of poly(methylmethacrylate) nanomaterials for drug delivery: Genotoxicity in mammalian cells" @default.
- W2208331809 doi "https://doi.org/10.1016/j.toxlet.2015.08.619" @default.
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