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大量研究证实，在支气管哮喘发病过程中存在Ｔ淋巴细胞及细胞因子的产生。活化的Ｔ细胞及其产物对其它炎症细胞的迁移、募集和活化有重要的调节作用，是启动和维持哮喘气道炎症的关键因素。
A large number of studies have confirmed that the presence of T lymphocytes and cytokines in the pathogenesis of bronchial asthma. Activated T cells and their products play an important regulatory role in the migration, recruitment and activation of other inflammatory cells and are the key factors in the initiation and maintenance of airway inflammation in asthma.