Effects of Dietary n-3 Fatty Acid Supplementation Versus Thromboxane Synthetase Inhibition on Gentamicin-Induced Nephrotoxicosis in Healthy Male Dogs

Source: GF Grauer, DS Greco, EN Behrend, J Fettman, I Mani, DM Getzy, and GA Reinhart

To evaluate the protective effects of dietary n-3 fatty acid supplementation versus treatment with a thromboxane synthetase inhibitor (TXSI) in dogs given high-dose gentamicin. DESIGN: Clinicopathologic and renal histopathologic changes induced by gentamicin (10 mg/kg of body weight, IM, q 8 h, for 8 days) were compared in dogs fed an n-3 fatty acid-supplemented diet containing a fatty acid ratio of 5.7:1 (n-6:n-3), dogs treated with CGS 12970 (a specific TXSI given at 30 mg/kg, PO, q 8 h, beginning 2 days prior to gentamicin administration), and control dogs. The TXSI-treated and control dogs were fed a diet with a fatty acid ratio of 51.5:1 (n-6:n-3). Both diets were fed beginning 42 days prior to and during the 8-day course of gentamicin administration. ANIMALS: Eighteen 6-month-old male Beagles, 6 in each group.

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