Protective capabilities of silymarin and inulin nanoparticles against hepatic oxidative stress, genotoxicity and cytotoxicity of Deoxynivalenol in rats

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Abstract

Deoxynivalenol (DON) is a Fusarium mycotoxin that frequently contaminates cereal and cereal-based food and induces liver injury. This study evaluated the protective role of silymarin nanoparticles (SILNPs) and inulin nanoparticles (INNPs) against DON-induced liver injury in rats. Eleven groups of rats were treated orally for 3 weeks as follows: the control group, DON-treated group (5 mg/kg b.w.); INNPs-treated groups at low (LD) or high (HD) dose (100 or 200 mg/kg b.w.); SILPNs-treated group (50 mg/kg b.w.); SILNPs plus INNPs(LD) or INNPs(HD)-treated groups; INNPs(LD) or INNPs(HD) plus DON-treated groups and DON plus SILNPs and INNPs(LD) or INNPs(HD)-treated groups. Blood and tissue samples were collected for different analyses. The results revealed that the practical sizes were 200 and 98 nm for SILNPs and INNPs respectively. DON increased liver enzymes activity, lipid profile, serum cytokines, number and percentage of chromosomal aberration, DNA fragmentation and comet score. It disturbed the oxidative stress markers, down regulated gene expression and induced histological changes in the liver tissue. Treatment with DON and SILNPs and/or INNPs at the two tested doses improved all the tested parameters and SILNPs plus INNPs(HD) normalized most of these parameters in DON-treated animals. SILNPs and INNPs could be promising candidates as hepatoprotective against DON or other hepatotoxins.

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