Fig. 3From: CD147 increases mucus secretion induced by cigarette smoke in COPDViability of HBE cells following exposure to CS. HBE cells were exposed to 0, 1, 2, 5, 10 and 15% CS for 0, 6, 12, 24 and 36 h, and CCK8 assays were used to determine the viability of HBE cellsBack to article page