( ? ) baclofen , an agonist of the gaba ( b ) receptor , significantly inhibited the accumulation of inositol-1-phosphate and inositol-1,4,5-triphosphate and these inhibitions were counteracted by the addition of phaclofen , a gaba ( b ) antagonist , as well as by treatment with islet-activating protein ( iap ) .
C0004609
baclofen
C0016904
gaba