Protective Effects of Hydroxytyrosol on Renal Ischemia-reperfusion Injury in Mice
DOI:
https://doi.org/10.22100/ijhs.v2i3.148Keywords:
Ischemia reperfusion, Acute kidney injury, Hydroxytyrosol, Oxidative stress.Abstract
Background: Renal ischemia reperfusion (IR), one of the most important causative mechanisms of acute kidney injury, is a major clinical problem that occurs in some hospitalized patients. The aim of this study was to investigate the effects of hydroxytyrosol (HT) on renal ischemia-reperfusion injury in mice.
Methods: Male mice were randomly assigned to three groups (N = 9): (1) sham operated, (2) renal IR (45 min ischemia followed by 24 h reperfusion), or (3) renal IR+HT (5 mg/kg orally for 7 days before renal IR and one hour before IR). Animals were sacrificed and the blood and kidney tissue samples were collected for glutathione (GSH) and malondialdehyde (MDA) evaluation.
Results: Renal IR injury led to decreases in renal tissue GSH and increases in MDA levels compared to sham operated. Hydroxytyrosol partially inhibited the IR-induced decrease in GSH activity. In addition, in the renal IR+HT group, MDA was increased compared to the renal IR group.
Conclusions: These findings suggest that HT diminished oxidative stress in renal tissue after renal IR.
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