The cytokine antibody array revealed that interleukin-1 receptor antagonist ( Il-1ra ) and macrophage inflammatory protein ( MIP ) -1 a and MIP-1b were expressed at high levels in first-eye patients and were lower in second-eye patients , whereas opposite trends were found for monocyte chemoattractant protein 1 ( MCP-1 ) and for regulated on activation , normal T expressed and secreted ( RANTES ) ( all , P < 0.05 , Student 's t-test ) .