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Abstract Title:

Pumpkin seed oil alleviates oxidative stress and liver damage induced by sodium nitrate in adult rats: biochemical and histological approach.

Abstract Source:

Afr Health Sci. 2020 Mar ;20(1):413-425. PMID: 33402930

Abstract Author(s):

Meriem Rouag, Salma Berrouague, Nesrine Djaber, Taha Khaldi, Mahieddine Boumendjel, Faiza Taibi, Cherif Abdennour, Amel Boumendjel, Mahfoud Messarah

Article Affiliation:

Meriem Rouag

Abstract:

Background: Nitrate (NO3) is the most common chemical contaminant in the world's ground water aquifer. Oxidative stress has been proposed as a possible mechanism involved in NO3 toxicity on non-target organism.

Objectives: The current study aimed to elucidate the potential protective effect of(pumpkin seed oil, PSO) against hepatotoxicity induced by sodium nitrate.

Methods: Wistar rats were exposed either to NaNO(200 mg/kg bw) in drinking water in drinking water, or to 4ml PSO/kg bw by gavage or to their combination. Oxidative stress parameters, biochemical biomarkers and liver histopathological examination were determined.

Results: Our data showed that the exposure of rats to NaNOcaused significant changes of some haematological parameters compared to the control. In addition, there was a significant elevation of the levels of biochemical markers as that of aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase and lactate dehydrogenase when compared with the control. Furthermore, exposure of rats to NaNOinduced liver oxidative stress as indicated by the increase of malondialdehyde, progressive oxidation of protein products and protein carbonyl levels. In addition, a reduction in anti-oxidant status (catalase, glutathione peroxidase, glutathione-S-transferase and superoxide dismutase, reduced glutathione and vitamin C) was observed.

Conclusion: Co-administration of PSO to the NaNOrestored most parameters cited above to near-normal values. Therefore, the present investigation revealed the ability of PSO to attenuate NaNO-induced oxidative damage.

Study Type : Animal Study

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