Used in immunological research to study the role of TREM1 (Triggering Receptor Expressed on Myeloid cells 1) in inflammation and immune responses. The Fc tag allows for detection, purification, and immobilization in assays such as ELISA, flow cytometry, and Western blot. Commonly used to investigate signaling pathways in myeloid cells, sepsis, and inflammatory diseases like rheumatoid arthritis and inflammatory bowel disease. Also serves as a tool in developing and testing therapeutic agents targeting TREM1-mediated inflammation.