As reported, IL-4, IL-5, and IL-13 are proinflammatory cytokines; eotaxin is a pivotal chemokine crucial for eosinophil homing to the lungs of asthma patients [22]; and CCL4, CCL5, MCP-1, and GM-CSF recruit macrophages [23]. The gene discussed is CCL4; the disease is asthma.