Role of S-methylisothiourea (SMT) in Renal Ischemia/reperfusion Injury in Rats

Overview

Journal J Renal Inj Prev

Specialty Nephrology

Date 2016 Apr 13

PMID 27069965

Authors

Fatemeh Kanani

Faezeh Fazelnia

Mohaddeseh Mojarradfard

Mehdi Nematbakhsh

Fatemeh Moslemi

Fatemeh Eshraghi-Jazi

Ardeshir Talebi

Affiliations

Soon will be listed here.

Abstract

Introduction: Excessive production of nitric oxide (NO) via inducible nitric oxide synthase (iNOS) is associated in renal ischemia reperfusion injury (IRI).

Objectives: This study was designed to investigate the role of S-methylisothiourea (SMT) as selective inhibitor iNOS in renal IRI.

Materials And Methods: Male Wistar rats were subjected to 45 minutes of bilateral renal ischemia by occlusion of renal vessels of both kidney followed by 24 hours of reperfusion. Prior to renal IRI, the rats received either vehicle (saline, group 2) or SMT (50 mg/kg, group 3), and were compared with the sham-operated animals (group 1). At the end of reperfusion period, the rats were sacrificed for kidney tissue pathology investigation.

Results: Serum creatinine (Cr), blood urea nitrogen (BUN), nitrite levels, and kidney weight significantly increased in groups 2 and 3 (P < 0.05). Kidney tissue damage scores in groups 2 and 3 were also higher than that in the sham-operated group (P < 0.05).

Conclusion: SMT not only prevent the kidney during IRI, but also promotes kidney function disturbance and severity of renal injury.

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