ethylenediamine ( eda ) released [ 3h ] -gamma-aminobutyric acid ( [ 3h ] -gaba ) in a dose-dependent manner from the isolated preloaded ileum of the guinea-pig maintained in krebs-bicarbonate solution ( ph 7.4 , 37 degrees c ) , in the presence of beta-alanine and amino-oxyacetic acid ( aoaa ) to prevent gaba uptake into glial cells and catabolism .
C0000392
beta-alanine
C0002520
amino