5-hydroxytryptamine ( serotonin or 5-ht ) stimulated the incorporation of 32pi into phosphatidylinositol ( pi ) but not into polyphosphoinositides in c6 glioma cells with an ec50 of 1.2 x 10 ( -7 ) m .
C0031621
phosphatidylinositol
C0071655
polyphosphoinositides