Fig. 4From: Fine particulate matter aggravates smoking induced lung injury via NLRP3/caspase-1 pathway in COPDExposure to PM2.5 and cigarette smoke extract upregulated expression of pyroptosis-related genes in BEAS-2B cells. (A) Relative mRNA expression level of NLRP3. (B) Relative mRNA expression level of Caspase-1. (C) Relative mRNA expression level of IL-1β. (D) Relative mRNA expression level of IL-18. The data are represented as mean ± SD (n = 3). The significance is determined using one-way ANOVA, followed by post hoc Tukey’s test. * P < 0.05, ** P < 0.01, *** P < 0.001Back to article page