PROTECTIVE EFFECT OF METHANOL EXTRACT OF RUSSELIA EQUISETIFORMIS AGAINST PARACETAMOL-INDUCED HEPATOTOXICITY IN WISTAR RATS

  • Wakeel Olayemi Kamoru Department of Pharmacology and Therapeutics, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.
  • Ayankunle Akeem Ademola Department of Pharmacology and Therapeutics, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.
  • Oluogun Waheed Akanni Department of Histopathology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.
  • Kolawole Oyetunji Timothy Department of Pharmacology and Therapeutics, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.
  • Adeyeba Oluwaseyi Adegboyega Department of Medical Microbiology and Parasitology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.

Abstract

Objectives: Liver diseases are among the health challenges facing many people and health care providers worldwide. In their search for solution to these problems, researchers are increasingly advocating the use of herbal preparations with proven efficacy in protecting against hepatic disorders. They also investigate medicinal plants with the aim of developing new drugs.  Russelia equisetiformis is a plant which contains phytoconstituents that were reported to have biological activities, such as anti-inflammatory, antidiabetic, and membrane-stabilizing properties. In this study, the effect of methanol extract of R. equisetiformis (MEREQ) on paracetamol-induced hepatotoxicity was investigated in rats.


Method: Rats were pretreated orally with graded doses (100 – 400 mg/kg b.w) of MEREQ for 7 days. On the 8th day, hepatotoxicity was induced in the pretreated rats with a single intraperitoneal injection of paracetamol (2 g/kg b.w). Rats were sacrificed on the 15th day; blood samples were taken for biochemical analysis, and the liver was excised for histopathological study. Biochemical parameters analyzed are alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), total protein, albumin, and bilirubin.


Results: Administration of paracetamol in the rats resulted in significant increase (p<0.05) in the serum levels of AST, ALT, ALP, and bilirubin compared with the control. Treatment with MEREQ significantly reduced (p<0.05) the levels of these parameters in a dose-dependent manner, compared with the untreated rats. No significant changes were observed in the serum levels total protein and albumin. Histopathological examination showed that administration of paracetamol caused distortions in the architecture of the liver, but the degree of degeneration of hepatocytes was reduced in the MEREQ-treated rats.


Conclusion: From the results obtained in this study, it is concluded that methanol extract of R. equisetiformis has protective effect on paracetamol-induced hepatic injury.


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Peer Review History:


Received 8 November  2020; Revised 14 Decembe; Accepted 3 January, Available online 15 January 2021


Academic Editor: Prof. Cyprian Ogbonna ONYEJIorcid22.jpg, Obafemi Awolowo University, Ile-Ife, Nigeria, conyeji@oauife.edu.ng


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Received file:blue_23983.gif                Reviewer's Comments:download_logo_r_29189.gif


Average Peer review marks at initial stage: 6.0/10


Average Peer review marks at publication stage: 8.0/10


Reviewer(s) detail:


Dr. Gehan Fawzy Abdel Raoof Kandeelorcid22.jpg, Pharmacognosy Department, National Research Centre, Dokki, 12622,  Giza, Egypt, gehankandeel9@yahoo.com 


Prof. Dr. Ali Gamal Ahmed Al-kaforcid22.jpg,  Sana'a university, Yemen, alialkaf21@gmail.com


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Keywords: Hepatotoxicity, Russelia equisetiformis, paracetamol, liver, rats

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How to Cite
Kamoru, W. O., A. A. Ademola, O. W. Akanni, K. O. Timothy, and A. O. Adegboyega. “PROTECTIVE EFFECT OF METHANOL EXTRACT OF RUSSELIA EQUISETIFORMIS AGAINST PARACETAMOL-INDUCED HEPATOTOXICITY IN WISTAR RATS”. Universal Journal of Pharmaceutical Research, Vol. 5, no. 6, Jan. 2021, doi:https://doi.org/10.22270/ujpr.v5i6.508.
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Research Articles