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Abstract Title:

Pomegranate extract ameliorates renal ischemia/reperfusion injury in rats via suppressing NF-κB pathway.

Abstract Source:

Hum Exp Toxicol. 2021 Dec ;40(12_suppl):S573-S582. Epub 2021 Nov 20. PMID: 34802289

Abstract Author(s):

Mirhan N Makled, Mohammed S El-Awady, Rania R Abdel-Aziz, Ahmed B Shehab El-Din, Elsayed M Ammar, Nariman M Gameil

Article Affiliation:

Mirhan N Makled

Abstract:

Inflammation and oxidative stress are the major pathways involved in ischemia-reperfusion (I/R)-induced renal injury. This study was designed to evaluate the potential effect of pomegranate against I/R-induced renal injury. I/R injury was induced in nephrectomized rats by unilateral occlusion of the left renal pedicle for 45 min followed by 24 h of perfusion. Pomegranate succeeded to decrease serum levels of creatinine, potassium, and urea nitrogen, along with increasing creatinine clearance. Pomegranate also decreased I/R-induced changes in histopathological examination. Pomegranate attenuated the renal inflammatoryresponse reflected by the suppression of nuclear factor κB p65 DNA binding activity, the upregulation of inhibitory protein kappa B-alpha mRNA expression, the downregulation of mRNA and protein expression of tumor necrosis factor α, in addition to the reduced myeloperoxidase activity and mRNA expression. Additionally, pomegranate attenuated oxidative stress likely through the modulation of lipid peroxidation and antioxidant levels reflected by the decreased MDA content and the increased glutathione level and superoxide dismutase activity. Results confirm the potential protective effect of pomegranate against I/R-induced renal injury through its anti-inflammatory and anti-oxidant effects mediated through the upregulation of inhibitory protein kappa B-alpha, the inhibition of NF-κB activity, and the associated TNF-α release, neutrophil infiltration, and oxidative stress.

Study Type : Animal Study

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