Abstract:
:The aim of this study was to investigate the effects of manganese chloride on gentamicin-induced nephrotoxicity in rats. Thirty-six adult Wistar Albino rats were divided into six equal groups. They were injected with gentamicin sulfate (100 mg kg(-1) per day i.p.) and manganese chloride (2 or 20 mg kg(-1) per day i.p.) and gentamicin together with manganese chloride for 6 days. The animals were killed 24 h after the last injection. Nephrotoxicity was biochemically and histopathologically evaluated. The concentrations of creatinine, urea, sodium and potassium in plasma, malondialdehyde (MDA) and reduced glutathione (GSH) levels, glutathione peroxidase (GSH-Px) and catalase (CAT) activities in kidney tissue were determined. Administration of gentamicin to rats induced a marked renal failure, characterized with a significant increase in plasma creatinine and urea concentrations. A significant increase in kidney MDA and a decrease in GSH concentrations were observed in gentamicin-treated rats. No change was observed in the activities of GSH-Px and CAT in rats treated with gentamicin alone. Administration of the low dose of manganese (Mn2+) produced amelioration in biochemical indices of nephrotoxicity in plasma and kidney tissue when compared to gentamicin group. The histological signs of renal proximal tubules followed a similar pattern. The high dose of Mn2+ (20 mg kg(-1)) caused an opposite effect on nephrotoxicity induced by gentamicin, causing exacerbation in the tubular necrosis. The results suggest that low dose of Mn2+ may have an antioxidant effect in kidneys of gentamicin administrated rats, but its high doses had no beneficial effect.
journal_name
Pharmacol Resjournal_title
Pharmacological researchauthors
Ateşşahin A,Karahan I,Yilmaz S,Ceribaşi AO,Princci Idoi
10.1016/s1043-6618(03)00227-5keywords:
subject
Has Abstractpub_date
2003-12-01 00:00:00pages
637-42issue
6eissn
1043-6618issn
1096-1186pii
S1043661803002275journal_volume
48pub_type
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