with the exception of a reduction in the sedimentable ( lysosome-associated ) fraction of myocardial n-acetyl-beta-glucosaminidase and a decrease in sarcoplasmic reticulum k+ , ca++-stimulated atpase activity , other characteristic indices of myocardial ischemic damage , notably inhibition of sarcolemmal and mitochondrial atpase activities as well as alterations in the ionic composition of myocardial tissue , were not apparent in the hearts of the streptozotocin-diabetic animals .
C0027061
myocardial
C0018787
hearts