Used in cell signaling research, particularly in studies involving the phosphoinositide pathway, which regulates cellular processes such as growth, survival, and membrane trafficking. Plays a key role in activating intracellular kinases like PI3K, making it valuable in cancer and metabolic disease research. Also utilized in lipid-protein interaction assays and membrane dynamics studies. Commonly employed in in vitro enzymatic assays to investigate phospholipase activity and kinase modulation. Its presence in model membrane systems helps mimic physiological conditions in biochemical experiments.