Anti-IL2 Antibody

Interleukin-2 (IL-2) is a 15.5 kDa cytokine central to T-cell proliferation, regulatory T-cell maintenance, and overall immune homeostasis. This unconjugated rabbit polyclonal reagent from Antibodies.com is raised against the IL-2 target and validated for Western blot detection across human, mouse, and rat sample lysates.

Supplied as 100 µl of antibody at 1 mg/ml in phosphate buffered saline (PBS) containing 0.05% sodium azide at approximately pH 7.2, the format is ready to dilute into standard immunoblotting workflows. For long-term use, aliquot the vial and store frozen to limit freeze-thaw cycles; sodium azide is included as a preservative and should be considered before downstream applications that are azide-sensitive.

Western blot detection typically resolves IL-2 near its expected molecular weight of approximately 15.5 kDa, supporting studies of T-cell activation, cytokine signaling pathways, and endogenous IL-2 expression in stimulated lymphocyte cultures or tissue extracts. The polyclonal format offers epitope diversity that can be useful when probing denatured, reduced protein on PVDF or nitrocellulose membranes.