Y-320 is primarily used in research settings for its immunomodulatory properties, particularly in the study of autoimmune diseases. It functions by selectively inhibiting specific cytokine signaling pathways, making it a valuable tool in understanding the mechanisms of inflammation and joint destruction in conditions like rheumatoid arthritis. Due to its ability to target key kinases involved in immune cell activation, Y-320 has shown potential in preclinical studies for reducing disease progression in animal models of arthritis. Its application remains confined to experimental research, where it aids in validating therapeutic targets and assessing the efficacy of kinase inhibition strategies.