PAF (Platelet-Activating Factor) is primarily used in medical and biological research due to its role in various physiological processes. It is extensively studied for its involvement in inflammation, allergic reactions, and immune responses. Researchers utilize PAF to understand its mechanisms in platelet aggregation, which is crucial for developing treatments for cardiovascular diseases. Additionally, PAF is used in studies related to asthma, anaphylaxis, and other inflammatory conditions, helping to identify potential therapeutic targets. Its application in experimental models also aids in exploring its effects on cell signaling pathways and its role in pathological conditions like sepsis and shock.