MUC5AC and pulmonary mucoepidermoid carcinoma: An in vitro component to the study by Jung et al. also reported significantly higher numbers of MUC5AC- and PAS-positive cells and increased MUC5AC mRNA expression among human NCI-H292 pulmonary mucoepidermoid carcinoma cells treated with AASD (10, 100, 250, or 500 μg/ml) (Jung et al. 2012).