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Effect of Thyroxin Induction on Enzymatic and Biochemical Levels in Albino Rats

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The albino Wistar rats were used to investigate the effect of thyroxine administration on the activity of citric acid, α-Amylase, creatine phosphokinase (CPK), creatinine, cholesterol and triglycerides level in blood serum and citric acid in liver and kidney. Two groups of rats were taken for the experiment. One group was injected subcutaneously with 200 μl of thyroxine/50 g of body weight, the other group served as control. The animals were vivisected with anesthesia after intervals of 24, 48, 72 and 96 hours α-Amylase and CPK levels in blood; citric acid level in liver and kidney of control and thyroxine treated rats. The results showed that the α-Amylase activity remained unaltered (100 g/h/l) throughout the experiment. However, citric acid level found to be 460 mg in the liver and 415 mg in kidney of control rats. The values slightly increased to 480 and 680 mg in respective tissues of thyroxine treated animals for 24 hr. The values decreased in 48 and 72 hours of treatment. Further the values found to be increased after 96 hours of treatment. Although the thyroxine treatment altered citric acid, Creatinine, Cholesterol, Triglycerides and CPK levels in the tissues, the serum α-Amylase was not influenced by the thyroxine. The study suggests that the thyroxine acts as a regulator all the above parameters in the cellular level.


International Letters of Natural Sciences (Volume 13)
J. V. Hanchinalmath et al., "Effect of Thyroxin Induction on Enzymatic and Biochemical Levels in Albino Rats", International Letters of Natural Sciences, Vol. 13, pp. 91-99, 2014
Online since:
Apr 2014