Staurosporine is widely used in biomedical research as a potent inhibitor of protein kinases. It plays a crucial role in studying cell signaling pathways, particularly those involving apoptosis and cell cycle regulation. Researchers utilize it to investigate the mechanisms of programmed cell death and to explore its potential in cancer therapy, as it can induce apoptosis in various cancer cell lines. Additionally, it serves as a valuable tool in neuroscience for studying neuronal survival and differentiation. Its ability to inhibit a broad range of kinases also makes it a useful compound for understanding kinase-dependent processes in cellular physiology and disease models.