A study of effect of Nigella sativa oil in paracetamol induced hepatotoxicity in albino rats
Keywords:Hepatotoxicity, Nigella sativa, Paracetamol
Background: Acetaminophen (paracetamol) toxicity is a common cause of drug‑induced hepatotoxicity in children and adults. Specific treatment of paracetamol induced hepatitis is available in the form of N‑acetylcysteine only. Nigella sativa (NS) is used for the treatment of various ailments. Many studies have shown that NS plant has hepatoprotective potential. Hence, this study study was carried out to explore the prophylactic and therapeutic effect of NSoil against hepatotoxicity induced by paracetamol.
Methods: Hepatotoxicity was induced in rats by paracetamol and it was assessed using biochemical parameters such as serum (Sr.) alanine aminotransferase (ALT), Sr. aspartate aminotransferase (AST), Sr. bilurubin, Sr. alkaline phosphatase, and Sr. total protein. In addition, histopathological score was also assessed. The therapeutic and prophylactic effect of NSoil administration on paracetamol induced hepatotoxicity was investigated by using above mentioned biochemical and histopathological parameters.
Results: Paracetamol administration leads to rise in serum liver enzymes ad fall in Sr. total protein levels. NS oil has heptoprotective effect. NS oil significantly reversed changes in serum levels of AST, ALT, alkaline phophatase, bilurubin, and total protein produced by paracetamol. Furthermore, histopathological changes produced by paracetamol were reversed.
Conclusion: This study demonstrated that NS oil has hepatoprotective effect.NS oiladministration can prevent or reverse the hepatotoxicity induced by paracetamol.
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