Used in immunological research to quantify levels of lymphotactin (XCL1), a chemokine involved in T-cell and NK cell recruitment. The ELISA kit enables detection of XCL1 in biological samples such as serum, plasma, and cell culture supernatants. It is widely applied in studies related to inflammatory diseases, autoimmune disorders, and immune response modulation. Researchers use it to assess immune activation in infection models, cancer immunotherapy, and vaccine development. The assay supports high-throughput screening and provides sensitive and specific measurement critical for cytokine network analysis.