Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/ijms221910669
Keywords
pantoprazole; renal ischemia/reperfusion injury; reactive oxygen species; TNF-a; MAPK; NF-?B
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This study demonstrated the protective effect of pantoprazole on renal ischemia/reperfusion injury in rats for the first time, by suppressing apoptosis, reducing pro-inflammatory cytokines levels, and impacting intracellular signaling pathways. Moreover, multiple doses of pantoprazole showed a greater therapeutic effect than a single dose.
Ischemia/reperfusion injury (IRI) in the kidney is the most common cause of acute renal dysfunction through different cell damage mechanisms. This study aimed to investigate, on molecular basics for the first time, the effect of pantoprazole on renal IRI in rats. Different biochemical parameters and oxidative stress markers were assessed. ELISA was used to estimate proinflammatory cytokines. qRT-PCR and western blot were used to investigate the gene and protein expression. Renal histopathological examination was also performed. IRI resulted in tissue damage, elevation of serum levels of creatinine, urea nitrogen, malondialdehyde, TNF-alpha, IL-6, IL-1 beta, up-regulation of NF-kappa B, JNK1/2, ERK1/2, p38, and cleaved caspase-3 proteins. Furthermore, it up-regulated the expression of the Bax gene and down-regulated the expression of the Bcl-2 gene. Treatment of the injured rats with pantoprazole, either single dose or multiple doses, significantly alleviated IRI-induced biochemical and histopathological changes, attenuated the levels of proinflammatory cytokines, down-regulated the expression of NF-kappa B, JNK1/2, ERK1/2, p38, and cleaved caspase-3 proteins, and the Bax gene, and up-regulated Bcl-2 gene expression. Moreover, treatment with pantoprazole multiple doses has an ameliorative effect that is greater than pantoprazole single-dose. In conclusion, pantoprazole diminished renal IRI via suppression of apoptosis, attenuation of the pro-inflammatory cytokines' levels, and inhibition of the intracellular signaling pathway MAPK (ERK1/2, JNK, p38)-NF-kappa B.
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