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Extract from Aronia melanocarpa L. Berries Protects Against Cadmium-induced Lipid Peroxidation and Oxidative Damage to Proteins and DNA in the Liver: A Study using a Rat Model of Environmental Human Exposure to this Xenobiotic

1
Department of Toxicology, Medical University of Bialystok, Adama Mickiewicza 2C street, 15-222 Bialystok, Poland
2
Department of Medical Chemistry, Medical University of Bialystok, Adama Mickiewicza 2A, 15-222 Bialystok, Poland
*
Authors to whom correspondence should be addressed.
Nutrients 2019, 11(4), 758; https://doi.org/10.3390/nu11040758
Received: 22 February 2019 / Revised: 20 March 2019 / Accepted: 28 March 2019 / Published: 31 March 2019
It was investigated, using a female rat model of low and moderate exposure of human to cadmium (Cd, 1 and 5 mg Cd/kg diet for 3–24 months), whether a polyphenol-rich 0.1% aqueous extract from Aronia melanocarpa L. berries (AE) may prevent Cd-induced lipid peroxidation and oxidative modifications of proteins and deoxyribonucleic acid (DNA) in the liver. For this purpose, markers of lipid peroxidation (lipid peroxides and 8-isoprostane) and oxidative injury of proteins (protein carbonyl groups and 3-nitrotyrosine) and DNA (8-hydroxy-2′-deoxyguanosine) were measured in this organ. The expression of metallothionein 1 (MT1) and metallothionein 2 (MT2) genes was estimated for a better explanation of the possible mechanisms of protective action of AE against Cd hepatotoxicity. The low and moderate treatment with Cd induced lipid peroxidation and oxidatively modified proteins and DNA, as well as enhanced the expression of MT1 and MT2 in the liver, whereas the co-administration of AE completely prevented almost all of these effects. The results allow us to conclude that the consumption of aronia products under exposure to Cd may offer protection against oxidative injury of the main cellular macromolecules in the liver, including especially lipid peroxidation, and in this way prevent damage to this organ. View Full-Text
Keywords: Aronia melanocarpa berries extract; cadmium; lipid peroxidation; liver; metallothionein; protection; protein oxidation; 8-hydroxy-2′-deoxyguanosine Aronia melanocarpa berries extract; cadmium; lipid peroxidation; liver; metallothionein; protection; protein oxidation; 8-hydroxy-2′-deoxyguanosine
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Mężyńska, M.; Brzóska, M.M.; Rogalska, J.; Galicka, A. Extract from Aronia melanocarpa L. Berries Protects Against Cadmium-induced Lipid Peroxidation and Oxidative Damage to Proteins and DNA in the Liver: A Study using a Rat Model of Environmental Human Exposure to this Xenobiotic. Nutrients 2019, 11, 758.

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