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  • Title: [Effects of allopurinol for oxidative injury of cisplatin-induced nephrotoxicity in mice].
    Author: Namikawa K, Hirai K, Kitano T, Tanaka I, Miyauchi K, Minami T, Okazaki Y, Kadota E.
    Journal: Yakugaku Zasshi; 1999 Dec; 119(12):936-44. PubMed ID: 10630099.
    Abstract:
    The effects of allopurinol (Allop) on the lipid peroxidation in the nephrotoxicity of an antitumor drug, cisplatin (CDDP) were studied in mice. CDDP was administered intraperitoneally to two groups (CDDP + Allop group and CDDP + CMC-Na group) at single doses of 10 mg/kg, and mice were sacrificed 3 days after CDDP administration. The body weights of the CDDP-administered group gradually decreased to approximately 78% of the values of the control group (saline + Allop group and saline + CMC-Na group) within 3 days. Plasma urea nitrogen and creatinine, especially in the CDDP + Allop group, increased after 3 days. Lipid peroxides in the blood and kidney were monitored by measuring the production of malondialdehyde (MDA), which increased in the CDDP + CMC-Na group. On the other hand, MDA levels in the CDDP + Allop group increased in the kidney but remained unchanged in the blood. Changes were observed in tissue glutathione (reduced form, GSH; oxidized form, GSSG) levels in the CDDP + Allop group but not in the CDDP + CMC-Na group. Histomorphological examination demonstrated the degeneration of the proximal tubuli in the CDDP-administered groups. Especially in the CDDP + Allop group, the increase of mesangium cells in the glomeruli was observed. From these results, it was suggested that Allop was not able to inhibit CDDP-induced lipid peroxidation in the kidney, and the kidney function became more severely impaired by the administration of Allop.
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