C. maxima (var. Delica), a variety of pumpkin, is well known for its high concentration on carotenoids, possessing dietary benefits and antioxidant properties. Aflatoxins and enniatins are common mycotoxins present in food and feed with an extended toxicity profile in humans and animals. Both types of substances reach a wide range of tissues and organs and have the capability to penetrate the blood brain barrier. Since carotenoids and mycotoxins have been reported to modify diverse mitochondrial processes individually, transcriptional in vitro studies on human epithelial cells ECV 304 were conducted to analyze the relative expression of 13 mitochondria related genes. ECV 304 cells were differentiated for 9 days and treated for 2 h with: a) pumpkin (500 nM); b) aflatoxins (100 nM); c) enniatins (100 nM); d) aflatoxins (100 nM) and pumpkin (500 nM); e) enniatins (100 nM) and pumpkin (500 nM). Even at low concentrations, dietary carotenoids activity on mitochondrial genes expression reported a beneficial effect and, for most of the genes studied across the Electron Transport Chain (ETC), developed a protective effect when mixed with aflatoxins (AFs) or enniatins (ENs).

Mitochondrial transcriptional study of the effect of aflatoxins, enniatins and carotenoids in vitro in a blood brain barrier model

P. Tedeschi
Secondo
Visualization
;
A. Maietti
Formal Analysis
;
N. Marchetti
Penultimo
Methodology
;
2020

Abstract

C. maxima (var. Delica), a variety of pumpkin, is well known for its high concentration on carotenoids, possessing dietary benefits and antioxidant properties. Aflatoxins and enniatins are common mycotoxins present in food and feed with an extended toxicity profile in humans and animals. Both types of substances reach a wide range of tissues and organs and have the capability to penetrate the blood brain barrier. Since carotenoids and mycotoxins have been reported to modify diverse mitochondrial processes individually, transcriptional in vitro studies on human epithelial cells ECV 304 were conducted to analyze the relative expression of 13 mitochondria related genes. ECV 304 cells were differentiated for 9 days and treated for 2 h with: a) pumpkin (500 nM); b) aflatoxins (100 nM); c) enniatins (100 nM); d) aflatoxins (100 nM) and pumpkin (500 nM); e) enniatins (100 nM) and pumpkin (500 nM). Even at low concentrations, dietary carotenoids activity on mitochondrial genes expression reported a beneficial effect and, for most of the genes studied across the Electron Transport Chain (ETC), developed a protective effect when mixed with aflatoxins (AFs) or enniatins (ENs).
2020
Alonso-Garrido, M.; Tedeschi, P.; Maietti, A.; Font, G.; Marchetti, N.; Manyes, L.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2413917
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