sham-operated and bilaterally nephrectomized rats were injected intravenously with glycyl-l-leucine , glycylglycine and glycylsarcosine , and the concentrations of these dipeptides in plasma and muscle , liver , renal cortex ( in the sham-operated rats ) and intestinal mucosa at various intervals were determined .
C0017984
glycylglycine
C0012512
dipeptides