The OmniKine Murine IL-13 ELISA can be used to reconize both recombinant and naturally produced Murine IL-13 proteins. The following antigens were tested at 50 ng/ml and showed less than 1% cross reactivity. • Rat: IL-13. Those tested at 50 ng/ml and did not showed significant interference or cross reactivity. • Murine: C-10, G-CSF,IL-3, IL-7, IL-9, IL-10, JE, KC, IFN-gamma, IL-1alpha, IL-1beta, IL-2, • Human: IL-4, sIL-4alpha, IL-13, IL-13V • Rat: IL-4, IL-13 (113 aa).