Document Detail

Effect of DHA+EPA on oxidative stress and apoptosis induced by ischemia-reperfusion in rat kidneys.
MedLine Citation:
PMID:  22943605     Owner:  NLM     Status:  Publisher    
Apoptosis, as well as necrosis, has an important role in post-ischemic renal pathology. The effect of pretreatment with Docosahexaenoic acid+Eicosapentaenoic acid (DHA+EPA) on renal injury and apoptotic protein expression was evaluated. Right nephrectomy was completed on male Wistar rats (255-300 g). The rats received DHA+EPA (200 mg/kg/day) of distilled water orally for 14 days before ischemia reperfusion (IR) or sham operation. A total of 81 rats were divided into three main groups with 6, 24 and 48 h of post-operation or reperfusion period. Serum creatinine (SCr), BUN, creatinine clearance (CCr) and fractional excretion of sodium (FE(N) (a) ) were measured. Tissue levels of malondialdehyde (MDA), superoxide dismutase (SOD) and catalase (CAT) activities, Bax and Bcl-2 protein expressions and renal histological injury were determined. SCr, BUN and FE(N) (a) increased 6-48 h of reperfusion (P < 0.01). Tissue MDA content and Bax expression increased (P < 0.01) and CAT and SOD activities decreased (P < 0.05) in the IR group. DHA+EPA decreased SCr and BUN, FE(N) (a) , tissue MDA levels (P < 0.05 vs. IR) and increased CAT and SOD activities and Bcl-2 expression (P < 0.05 vs. IR) for 6-48 h after ischemia. IR induced mild (6 h, P < 0.05) and severe (24-48 h, P < 0.01) tissue damage. Mild-to-moderate tissue damage was observed in DHA+EPA groups from 6 to 48 h of reperfusion period (P < 0.05 vs. IR, 24-48 h). In conclusion, the results suggest that pre-ischemic exposure to DHA+EPA could improve the outcome of early graft function by inhibition of IR-induced oxidative stress and apoptosis.
Marjan Ajami; Sayed Hossein Davoodi; Rouhollah Habibey; Nasim Namazi; Mansoureh Soleimani; Hamidreza Pazoki-Toroudi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-21
Journal Detail:
Title:  Fundamental & clinical pharmacology     Volume:  -     ISSN:  1472-8206     ISO Abbreviation:  Fundam Clin Pharmacol     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-9-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8710411     Medline TA:  Fundam Clin Pharmacol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Authors Fundamental and Clinical Pharmacology © 2012 Société Française de Pharmacologie et de Thérapeutique.
Faculty of Nutrition Sciences & Food Technology, Shahid Beheshti University of Medical Sciences & Health Services, 19395-4741, Tehran, Iran.
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