“In isolated rat … bladder, indomethacin inhibited the synthesis of the prostaglandins (PG) PGI2, PGE2, PGF2 alpha and … PG synthesis was stimulated with excitatory receptor agonists (noradrenaline and carbachol), fluoride (a G protein activator), phorbol ester (a protein kinase C (…) and calcium ionophore A23187 (a creator of artificial calcium channels).”