Interleukin 2 (IL-2) was initially identified as a T cell growth factor that is produced by T cells following activation by mitogens or antigens. Since then, it has also been shown to stimulate the growth and differentiation of B cells, natural killer (NK) cells, lymphocyte activated killer (LAK) cells, monocytes/macrophages and oligodendrocytes. At the amino acid sequence level, there is approximately 60% - 90% similarity between species. Mature human IL-2 shows 65%, 67%, 72%, 78%, and 64% aa identity to mouse, rat, pig, cat, and cow IL-2, respectively.
Assay Type: Solid Phase Sandwich ELISA Sample Type/Volume Required: Cell Culture Supernates (50μL), Serum (50μL) Sensitivity: 3pg/mL Specificity: Natural and recombinant mouse IL-2 Cross Reactivity: <50% cross-species reactivity observed with species tested. <0.5% cross-reactivity observed with available related molecules.