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. 2022 Jul 8;9(1):2097377. doi: 10.1080/20018525.2022.2097377

Figure 3.

Figure 3.

Upregulation of matrix metalloproteinase mRNA expression by IL-1β in lung fibroblasts and airway epithelial cells. Expression of MMP9 (panel A) and MMP12 (panel B) mRNA by human lung fibroblasts without stimulation (white bars) and stimulated with IL-1β (10 ng/mL, black bars). Expression of MMP9 (panel C) and MMP12 (panel D) mRNA by human lung airway epithelial cells without stimulation (white bars) and stimulated with IL-1β (10 ng/mL, black bars). r.u. = Relative units versus control; *p < 0.05 versus control. Each bar in the figure is mean± SE n = 6.