In direct ELISAs, less than 50% cross-reactivity with recombinant mouse (rm) KC is observed and less than 10% cross-reactivity with recombinant human (rh) GRO alpha, rhGRO beta, rhGRO gamma, rmMIP-2, recombinant rat (rr) CINC-2 alpha, rrCINC-2 beta, and