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. 2015 May;11(Suppl 1):S93-S101.
doi: 10.4103/0973-1296.157705.

Toxicological and biochemical studies on Schinus terebinthifolius concerning its curative and hepatoprotective effects against carbon tetrachloride-induced liver injury

Rania H Abdou  1 , Sherif Y Saleh  2 , Waleed F Khalil  3
Affiliations

Toxicological and biochemical studies on Schinus terebinthifolius concerning its curative and hepatoprotective effects against carbon tetrachloride-induced liver injury

Rania H Abdou et al. Pharmacogn Mag. 2015 May.

Abstract

Background: Recently, many efforts have been made to discover new products of natural origin which can limit the xenobiotic-induced hepatic injury. Carbon tetrachloride (CCl4) is a highly toxic chemical that is widely used to study hepatotoxicity in animal models.

Objective: The present study was conducted to investigate the curative and protective effects of Schinus terbenthifolius ethanolic extract against CCl4 -induced acute hepatotoxicity in rats.

Materials and methods: S. terbenthifolius extract was orally administered in a dose of 350 mg dried extract/kg b.wt. before and after intoxication with CCl4 for curative and protective experiments, respectively. A group of hepatotoxicity indicative enzymes, oxidant-antioxidant capacity, DNA oxidation, and apoptosis markers were measured.

Results: CCl4 increased liver enzyme leakage, oxidative stress, hepatic apoptosis, DNA oxidation, and inflammatory markers. Administration of S. terebinthifolius, either before or after CCl4 intoxication, significantly decreased elevated serum liver enzymes and reinstated the antioxidant capacity. Interestingly, S. terebinthifolius extract inhibited hepatocyte apoptosis as revealed by approximately 20 times down-regulation in caspase-3 expression when compared to CCl4 untreated group. On the other hand, there was neither protective nor curative effect of S. terebinthifolius against DNA damage caused by CCl4.

Conclusion: The present study suggests that S. terebinthifolius extract could be a substantially promising hepatoprotective agent against CCl4 toxic effects and may be against other hepatotoxic chemical or drugs.

Keywords: Antioxidant; Schinus terebinthifolius; apoptosis; hepatoprotective; hepatotoxicity.

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Conflict of interest statement

Conflict of Interest: None declared.

Figures

Figure 1
Figure 1
Immunohistochemical staining of the liver sections (×400) stained with caspase 3 antibodies for apoptotic cells and hematoxylin counterstaining of the nuclei and non-apoptotic cells. (a) control groups, (b) CCl4 groups and (c) rats received ethanolic extract of Schinus terebinthifolius either before [left side pictures] or after [right side pictures] CCl4-intoxications. Arrowheads in figures (b) point out caspase-3 positive apoptotic cells
See this image and copyright information in PMC

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