alexa Immunobiological activities of mould products: functional impairment of human monocytes exposed to aflatoxin B1.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Cusumano V, Rossano F, Merendino RA, Arena A, Costa GB,

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Abstract In order to elucidate the effects upon the human immune system of aflatoxin B1 produced by the food-contaminating mould Aspergillus flavus, phagocytosis, microbicidal activity, superoxide production and intrinsic antiviral activity were studied in monocytes exposed to aflatoxin B1 for different times at concentrations ranging from 0.1 to 1 pg/ml. Phagocytosis and microbicidal activity were significantly impaired (p < 0.05) by aflatoxin B1 at doses as low as 0.1 pg/ml. However, pretreatment of monocytes with aflatoxin B1 did not modify intrinsic antiviral activity or superoxide production. These results confirmed data obtained from animals fed with mycotoxin-contaminated foods. The potential danger to human health of exposure to mycotoxins demonstrates the necessity for careful microbiological control of food.
This article was published in Res Microbiol and referenced in Journal of Cell Science & Therapy

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