Xanthine Oxidase Inhibitor, Allopurinol, Prevented Oxidative Stress, Fibrosis, and Myocardial Damage in Isoproterenol Induced Aged Rats

Figure 4

Prussian blue staining showed iron deposition in heart and kidney section of rats treated with ISO and allopurinol. (a, d) Control; (b, e) ISO; and (c, f) ISO + allopurinol, magnification 40x.

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