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Comp Biochem Physiol B. 1993 Oct;106(2):391-4.

Defence mechanisms against free radical-induced damage in sheep, cattle and dog erythrocytes.

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Istituto di Biochimica e Chimica Medica, Università di Perugia, Italy.


1. Erythrocytes from sheep were to be found the least resistant to peroxidative stress induced in vitro as compared to those from cattle and dogs. 2. The differences found among species in alpha-tocopherol content and glutathione peroxidase activity were probably insufficient to explain the lowest resistance. 3. One of the main reasons of the lowest resistance may be found in the membrane composition and characteristics (membrane fluidity).

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