Mice lacking catalase develop normally but show differential sensitivity to oxidant tissue injury.

Abstract excerpt

Catalase plays a major role in cellular antioxidant defense by decomposing hydrogen peroxide, thereby preventing the generation of hydroxyl radical by the Fenton reaction. The degree of catalase deficiency in acatalasemic and hypocatalasemic mice varies from tissue to tissue. They therefore may not be suitable for studying the function of this enzyme in certain models of oxidant-mediated tissue injury. We sought...

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