Aims: Acute kidney injury (AKI) is a debilitating condition followed by sudden kidney damage or failure within hours or days of its occurrence. AKI is characterized by rapid increase in serum creatinine/BUN and decrease in urine output. Nesfatin-1 is an endogenous peptide reported to possess anorexic, antioxidant and anti-apoptotic properties. Although few clinical studies have shown altered nesfatin-1 levels in hemodialysis patients, however, there are no reports investigating the distribution and expression pattern of nesfatin-1 in AKI.
Materials And Methods: Nesfatin-1 expression was determined in different disease induced models of AKI by immunoblotting, immunofluorescence and RT-PCR. Gene markers of oxidative stress and inflammation were determined by RT-PCR. The expression of different markers of AKI was measured by assay kits and RT-PCR analysis.
Key Findings: There was a significant increase in serum levels of creatinine and BUN in AKI rats followed by significant increase in KIM-1 in the kidneys. Significant decrease in nesfatin-1 expression along with increased expression of IL-1β, TNF-α and decreased expression of SOD and catalase was observed in doxorubicin and cisplatin induced AKI rats. However, SOD and catalase expression were upregulated in glycerol induced AKI rats. Moreover, in vitro treatment of renal NRK-52E epithelial cells with nesfatin-1 reversed the changes induced by doxorubicin.
Significance: Our study reports for the first time, nesfatin-1 expression is decreased in kidneys of different models of AKI induced rats as well as cultured NRK-52E renal epithelial cells. Further studies are required to understand the possible molecular mechanism and therapeutic potential of nesfatin-1 in acute kidney injury.
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| http://dx.doi.org/10.1016/j.lfs.2022.120762 | DOI Listing |
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