TUG1 and asthma: As shown in Figure 7, lncRNA TUG1 and B7-H3 decreased in the convalescent phase compared to acute exacerbation, while miR-29c increased in the convalescent-phase (P < 0.05), which presumed that lncRNA TUG1/miR-29c/B7-H3 axis participates in the asthma exacerbation.