Anti-IL2 Antibody [9F9]

Interleukin-2 (IL-2) is a 15.5 kDa cytokine central to T-cell proliferation, survival, and immune tolerance, making robust detection reagents useful for immunology research. The unconjugated mouse monoclonal antibody clone 9F9, supplied by Antibodies.com as 100 µg of lyophilised product, recognises human IL-2 and is validated for ELISA workflows. Raised in mouse hosts and of the IgG2a isotype, this primary antibody supports studies of cytokine signalling, regulatory T-cell biology, and immune response modulation. The lyophilised format enables stable storage and reconstitution at working concentrations appropriate for standard immunoassay protocols. Researchers investigating T-cell activation pathways, autoimmune mechanisms, or cancer immunotherapy targets can use this reagent to detect endogenous IL-2 in cell culture supernatants and biological samples.