Objective: To investigate the establishment of the experimental cell model of MUC5AC and MUC5B high expression induced by human neutrophil elastase (HNE) and the relative mechanism.

• 目的：以人中性粒细胞弹性蛋白酶(HNE)为诱导因素，研究建立黏蛋白(MUC)5AC和5B高表达的细胞模型，同时对黏蛋白高表达机制进行初步研究。