Abstract
Sumac [Rhus coriaria L. (Anacardiaceae)] is a widely used spice in the Middle East. In this study, the hepatoprotective effects of sumac fruit were evaluated using a rat model of paracetamol-induced liver injury. The experimental design relies on the pretreatment of rats with intraperitoneal sumac extract followed by a toxic dose of paracetamol. Tissue alterations, serum levels of oxidative stress markers, as well as gene expression of immunomarkers were evaluated. Rats pre-treated with sumac displayed attenuated signs of toxicity. Upon paracetamol intoxication, sumac-pretreated animals showed a minimal increase in liver enzyme levels. In parallel, serum albumin and total protein levels were close to normal. Moreover, pretreated sumac animals had preserved hepatocyte morphology, whereas unprotected animals had necrotic deformations. Importantly, these effects were dose-dependent and comparable to the silymarin-treated positive control group. In conclusion, sumac extract offers a potential hepatoprotective regimen against xenobiotic-induced hepatotoxicity and for oxidative stress management.
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