[Dependence of the activity of enzymes of adenosine metabolism in hypothyroid rats on the level of somatotropin in the body].

Adenosine metabolism in hypothyrosis has been shown to decrease in thymocytes (5'-nucleotidase activity decreases by 18% and adenosine deaminase activity increases in thymocyte light fractions). Activation of adenosine synthesis and decay processes (5'-nucleotidase and adenosine deaminase activity increase by 65 and 72%, respectively) was found in the spleen of hypothyroid rats. Adenosine metabolism returns to normal in the spleen and thymocytes as a result of somatotropin action. Adenosine metabolism in the liver of hypothyroid rats remains unchanged.