Several chemokines such as CCL3/MIP-1α, CCL4/MIP-1β, CCL5/RANTES and eotaxin family (CCL11/eotaxin1, CCL24/eotaxin2, and CCL26/eotaxin3) are involved in the pathogenesis of allergic asthma with type 2 immune responses [10]. The gene discussed is CCL4; the disease is allergic asthma.