TUBB4A and asthma: Un-normalized mRNA Ct values for TP63 (A.), KRT5 (B.), TUBB4A (C.), TPJ1 (D.), FOXJ1 (E.), and OCLN (F.)by BECs at P1 (n = 6 asthma donors, n = 6 healthy donors), P2 (n = 6 asthma donors, n = 6 healthy donors), P3 (n = 4 asthma donors, n = 6 healthy donors), P4 (n = 6 asthma donors, n = 6 healthy donors), and P5 (n = 6 asthma donors, n = 6 healthy donors) are presented as individual data points for each donor cell line.