Protective Role of Recombinant Human Erythropoietin in Kidney and Lung Injury Following Renal Bilateral Ischemia-reperfusion in Rat Model

Overview

Journal Int J Prev Med

Date 2013 Aug 10

PMID 23930182

Citations 23

Authors

Maryam Moeini

Mehdi Nematbakhsh

Mohammad Fazilati

Ardeshir Talebi

Ali Asghar Pilehvarian

Fariba Azarkish

Fatemeh Eshraghi-Jazi

Zahra Pezeshki

Affiliations

Soon will be listed here.

Abstract

Background: Acute kidney injury (AKI) has been recognized as one of the most complex clinical complications in modern medicine, and ischemia/reperfusion (I/R) injury is well-known as a main reason of AKI. In addition, AKI leads to important systemic consequences such as acute lung injury. This study was designed to investigate the role of erythropoietin (EPO) on kidney function makers and tissue damage; and lung endothelial permeability and lung water content (LWC) in bilateral renal I/R injury model in rats.

Methods: Male Wistar rats were randomly divided into three groups of sham, I/R, and I/R treated with EPO (I/R + EPO) groups. The I/R and I/R + EPO groups were subjected to bilateral renal I/R injury; however, only the I/R + EPO group received EPO (500 IU/kg, i.p.) 2 h before ischemia surgery, and the same dose was continued once a day for 3 days after ischemia. The sham group underwent a surgical procedure without ischemia process.

Results: The blood urea nitrogen (BUN) and serum creatinine (Cr) levels, kidney tissue damage score (KTDS), and kidney weight (KW) per 100 g body weight significantly increased in I/R group (P < 0.05). EPO administration decreased levels of BUN and Cr significantly (P < 0.05), and KTDS and KW insignificantly (P = 0.1). No significant differences in kidney and serum levels of malondialdehyde, and lung vascular permeability and LWC were observed between the groups. The serum and kidney levels of nitrite were not significantly different between I/R and sham groups; however, administration of EPO increased the renal level of nitrite (P < 0.05).

Conclusions: EPO protected the kidney against I/R injury; however, it may not protect the lung tissue from the damage induced by renal I/R injury in rats.

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