Abstract
Hepatotoxicity is an adverse side effect of methotrexate (MTX) administration for the treatment of different malignancies, psoriasis, and rheumatoid arthritis (RA). Naringenin (NAR) is a citrus flavone with multiple pharmacological characteristics. In this study, we aimed to investigate the protective effects of NAR on MTX-induced hepatotoxicity in rats. For this purpose, 32 Wistar rats were randomly divided into four experimental groups as group 1 Control, group 2 NAR (50 mg/kg/d, o.p.), group 3 MTX (20 mg/kg/d, i.p.), group 4 NAR + MTX. NAR was administrated for 10 consecutive days and MTX was injected on the ninth day. The results indicated that MTX significantly increased malondialdehyde (MDA), NO, TNF-α, and IL-6 levels in the liver. On the other hand, administration of MTX reduced the GSH content, as well as CAT, SOD, and GPx levels. NAR administration remarkably improved MTX-induced alteration of biochemical biomarkers. Our findings were confirmed by the histopathological examination of the liver. Based on our findings, NAR may inhibit MTX-induced hepatotoxicity through scavenging reactive free radicals and inducing anti-inflammatory effects.
Published Version
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