the 24-h glucagon infusion significantly lowered the fasting levels of the glucogenic amino acids aspartate ( 43 % ; p less than 0.01 ) , threonine ( 46 % ; p less than 0.05 ) , serine ( 46 % ; p less than 0.02 ) , glycine ( 47 % ; p less than 0.01 ) , and methionine ( 34 % ; p less than 0.02 ) .
C0002520
amino acids
C0017890
glycine