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J Radiat Prot > Volume 18(2); 1993 > Article
Journal of Radiation Protection 1993;18(2):37-0.
흰쥐의 방사선 피폭후 생물학적 지표로서의 혈액효소
김인규;김상복;김진규;김국찬;천기정;박효국;이강석;
Serum enzymes as indicators of radiation exposure in rat
Kim, In-Gyu;Kim, Sang-Bok;Kim, Jin-Gyu;Kim, Kug-Chan;Chun, Ki-Chung;Park, Hyo-Kook;Lee, Kang-Suk;
ABSTRACT
Enzyme activity changes in rat blood as biochemical indicator useful for evaluating exposure dose were experimentally studied. The experimental results obtained are as follows: 1) Alkaline phosphatase activities increased in the blood serum until 24 hours after 0.1, 0.25, 0.5, 2 and 4Gy irradiation and its activities returned normal condition after 72 hours of post-irradiation. Creatine kinase activities increased in the blood serum until 72 hours after 2 and 4Gy irradiation but any significant activity changes were not detected after 0.1, 0.25Gy irradiation. 2) Malate dehydrogenase activities did not reveal available changes after 0.1, 0.25, 0.5 Gy irradiation and lactate dehynrogenase activities decreased in the blood serum after 0.1, 0.25, 0.5 Gy irradiation.3) Glutamate oxaloacetate transaminase activity changes were detected in the blood serum after 0.1, 0.25, 0.5, 2, 4Gy(0.1Gy/min.) and GOT activities increased after 0.5, 1, 1.5, 2, 3, 5, 7Gy(0.5Gy/sec.). Any acid phosphatase activities were detected in the blood serum after 0.1, 0.25, 0.5, 2, 4Gy(0.1Gy/min.) and 0.5, 1, 1.5, 2, 3, 5, 7Gy(0.5 Gy/sec.) irradiation. Potentially some of these enzymes can be used as indicator protein for radiation injury. Futher investigation is needed to find better biochemical indicators utilizing recent know-ledge and techniques of biochemistry.
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