the decrease in polyphosphoinositide levels by ptdins-plc treatment or atp removal was reflected by the inhibition of the production of inositol phosphates upon subsequent activation of the endogenous plc by ca2 ( + ) -dependent catecholamine secretion from permeabilized cells was strongly inhibited by ptdins-plc treatment and by atp removal .
C0071655
polyphosphoinositide
C0031621
ptdins