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Abstract Title:

The efficacy of oleuropein against non-steroidal anti-inflammatory drug induced toxicity in rat kidney.

Abstract Source:

Environ Toxicol. 2019 Jan ;34(1):67-72. Epub 2018 Sep 26. PMID: 30259636

Abstract Author(s):

Kubra Koc, Salim Cerig, Nihal Simsek Ozek, Ferhunde Aysin, Serkan Yildirim, Ozge Cakmak, Mirkhalil Hosseinigouzdagani, Fatime Geyikoglu

Article Affiliation:

Kubra Koc

Abstract:

Indomethacin is generally used in clinical therapeutics as a non-steroidal anti-inflammatory drug. However, its use has been limited due to the gastrointestinal and renal toxic effects of this drug. These toxic effects were associated with not only the inhibition of prostaglandin synthesis but also drug-elevated oxidative stress. To ameliorate these toxicities, natural antioxidants can be used as an alternative and/or combination therapies. Therefore, the current study was conducted to assess the renoprotective effects of oleuropein against indomethacin-induced renal damages. Male Sprague-Dawley rats were pretreated with oleuropein (75, 150, and 300 mg/kg), and then treated with indomethacin (25 mg/kg). To evaluate kidney function, serum blood urea nitrogen, uric acid, and creatinine were measured. In addition, prostaglandin E, tumor necrosis factor-alpha, endothelial nitric oxide synthase, caspase-3, oxidant/antioxidant status, and 8-Oxo-2'-deoxyguanosine levels were determined for the antioxidative and anti-inflammatory effects of oleuropein. Tissue sections were also histopathologically assessed. The biochemical and histopathological analysis proved the toxic effects of indomethacin on kidney. However, the pretreatment with oleuropein (300 mg/kg) protects kidney from indomethacin-induced damages. Our study proved that prior administration of oleuropein has renoprotective activity against indomethacin-associated toxicities.

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