analyses of various subcellular organelle marker enzyme activities indicated a significant decrease in the k+ , ca2+-stimulated sarcoplasmic reticulum , mitochondrial ( azide-sensitive ) and sarcolemmal na+ , k+-stimulated atpase activities , decreases in atp and glycogen and increases in myocardial sodium content in both the iso-treated control and diabetic animal hearts .
C0027061
myocardial
C0018787
hearts