Figure 6. Diagram of effects of propofol on intracellular signaling system in vascular smooth muscle cells. -= inhibitory effect; AA = arachidonic acid; DG = diacylglycerol; IP3= inositol trisphosphate; MG = monoacylglycerol; PA = phosphatidic acid; PC-PLD = phosphatidylcholine-specific phospholipase D; PI-PLC = phosphatidylinositol-specific phospholipase C; PIP2= phosphatidylinositol bisphosphate; PLA2= phospholipase A2.