
Keywords: Asthma; sputum; bronchial epithelial cells; dendritic cells; thymic stromal lymphopoietin; IL-33; OX40 ligand; CCL17; CK-7; Cytokeratin-7; Ct; Cycle threshold; DC; Dendritic cell; EGFR; Epidermal growth factor receptor; FACS; Fluorescence-activated cell s