Abstract
This study aims to evaluate the hepatoprotective effect of alpha-pinene against N-acetyl-p-aminophenol, paracetamol, (APA)-induced liver damage in rats. Thirty Wistar rats were divided into five groups (n = 6): Group 1: Normal (control). Group 2: APA 640 mg/kg. Group 3: alpha-pinene 50 mg/kg (APA+ αPi 50 mg/kg). Group 4: alpha-pinene 100 mg/kg (APA+ αPi 100 mg/kg). Group 5: silymarin 50 mg/kg (APA+ SIL). Alpha-pinene or silymarin was orally administered after APA administration for 14 consecutive days. This study investigated liver damage by preparing pathology slides from liver tissue. Levels of AST, ALT, ALP, total bilirubin, total antioxidant capacity (TAC), and total oxidant status (TOS) were measured. Inflammatory factors, including NF-kB gene expression and levels of IL-6 and TNF-a, were also measured. Administering alpha-pinene with APA can prevent liver damage induced by APA. Alpha-pinene can enhance TAC while reducing TOS, ALT, AST, ALP, and total bilirubin. Moreover, the results have also revealed that alpha-pinene decreases NF-kB expression, which leads to a reduction in IL-6 and TNF-a levels. It appears that alpha-pinene induces liver protective effects against APA damage by reducing the activity of liver enzymes, improving antioxidant/oxidative status, and reducing inflammation through the regulation of NF-kB and pro-inflammatory cytokines.
Published Version
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