12-epi Leukotriene B4 plays a significant role in inflammatory and immune responses. It is involved in the recruitment and activation of neutrophils, which are crucial for the body's defense against infections. This compound is studied for its potential in understanding inflammatory diseases such as arthritis, asthma, and psoriasis. Researchers also explore its effects on cellular signaling pathways to develop targeted therapies for chronic inflammatory conditions. Additionally, it is used in pharmacological studies to investigate the modulation of immune responses and to identify novel anti-inflammatory agents.