The functional and quantitative balances of the T helper cells subsets guarantee the normal immune-state of the body while the consequent disequilibrium is involved in a number of diseases, especially those caused by the immunoabnormality.

• 辅助性T细胞亚群平衡是维持机体正常的免疫状态的重要因素,其失衡参与许多疾病,特别是免疫相关性疾病的发生、发展。