Korean Journal of Veterinary Research 1989;29(4):461-467.
Lactate dehydrogenase activity and isoenzyme distribution in plasma and tissue of Korean native cattle
Ki-seog Kim, Jong-hoo Cho
College of Veterinary Medicine, Chonbuk National University
한우의 혈장 및 조직중의 lactate dehydrogenase의 활성치와 isoenzyme의 분포
김기석, 조종후
전북대학교 수의과대학
The activity of lactate dehydrogenase in plasma and various tissues(skeletal muscle, cardiac muscle, liver, lung, kidney and spleen) of Korean native cattle in a Chonju abattoir, the Breeding Stock Farm and Animal Farm of Chonbuk University was determined by using ultra violet method. Using polyacrylamide gel electrophoresis, the lactate dehydrogenase isoenzyme distrimution of plasma and various tissues in Korean native cattle was studied. The plasma lactate dehydrogenase activity of Korean native cattle was $554.80{pm}92.70IU/l$ and the lactate dehydrogenase activity of male plasma was $543.96{pm}97.89IU/l$, which was lower than that of female plasma, $579.19{pm}78.09IU/l$. The plasma lactate dehydrogenase activity of calf was $557.31{pm}110.27IU/l$ and was no significantly different from that of adult Korean native cattle. But the range of calf lactate dehydrogenase activity was larger than that of adult Korean native cattle. In tissues, the lactate dehydrogenase activity was decreased in order of lung, kidney, spleen, liver, heart and skeletal muscle. The lung had the greatest activity and the skeletal muscle had the least. Lactate dehydrogenase isoenzymes in plasma and tissues were found to have a characteristic distribution and quantitative isoenzyme patterns. In plasma, the LDH1 usually had the greatest activity and other isoenzymes showed a decreasing tendency in order of LDH2, LDH3, LDH4 and LDH5. The distribution of lactate dehydrogenase isoenzymes had a wide variation in tissues. But the distribution of LDH isoenzymes in plasma was similar to that in kidney, and also cardiac muscle and spleen had similar pattern in LDH isoenzymes distribution.
Key Words: lactate dehydrogenese, isoenzyme, Korean native cattle

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