Effect of dietary protein on purine nucleoside phosphorylase and xanthine dehydrogenase activities of liver and kidney in chicken and pigeon |
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Authors: | N Nagahara T Nishino M Kanisawa K Tsushima |
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Institution: | Department of Pathology, Yokohama City University School of Medicine, Japan. |
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Abstract: | Comparative studies were made on the effects of diets of different protein contents on the activities of purine nucleoside phosphorylase and xanthine dehydrogenase of avian livers and kidneys. In chicken liver and kidney, both enzyme activities were increased with high protein diet, confirming the previous results. In pigeon liver, only purine nucleoside phosphorylase was increased but xanthine dehydrogenase activity was not detected after feeding a high protein diet, while both enzyme activities were increased in the pigeon kidney. The increase in the levels of plasma oxypurines in pigeon serum was consistent with the result that the xanthine dehydrogenase activity of pigeon was not detected in the liver but in the kidney. |
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