In direct ELISAs and Western blots, less than 10% cross-reactivity with recombinant mouse (rm) MIP-2, rmKC, rmCXCL6, recombinant human (rh) ENA-78, recombinant rat (rr) CINC-2 alpha, rmCRG-2, rhNAP-2 is observed and less than 5% cross-reactivity with rrC