Effects of Digitalis Intoxication on the Phosphoglucomutase and Creatine Phosphokinase of Guinea Pig Livers

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Abstract
A study was made of the behavior of the phosphoglucomutase (PGluM) and creatine phosphokinase (CPK) in the liver tissue of guinea pigs after chronic digitalis intoxication. It was found that the latter causes a statistically significant decrease of both enzymatic activities. The results obtained by the authors with this investigation, together with those of previous researchers, show that the toxic effect of digitalis on the enzymatic activities is not limited to the reported effect on the ATPase but also involves, at least at the doses and under the conditions used, other enzymatic activities.