The expression of interleukin-5 (IL-5) has been correlated with the maturation and differentiation of eosinophils, and is considered to be a cytokine responsible for allergic inflammation.

• IL-5与嗜酸性粒细胞的成熟和分化密切相关, 是过敏性炎症发生过程中的关键细胞因子。