Figure S1 Effect of cigarette smoke extract (CSE) treatment for 24 h on CXCL-8 release and MMP-9 activity in polyinosine-polycytidylic acid (poly(I:C))-treated monocyte-derived macrophages. Cells were treated with 5% CSE or vehicle 24 h or 15 min prior to the treatment with 10 μg/mL poly(I:C). After 24 h, the supernatants were harvested and assayed for CXCL8 (a) and total MMP-9 activity (b). The data are expressed as mean values ± SEM for three to four experiments.

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