MMP7 and asthma: UPM stimulation decreased MMP7 mRNA expression in triple-co-cultures with moMφs (UPM 24 h) (1.0 fold change (− 6.3 to 2.6 fold change)) compared to untreated epithelial cells alone (5.6 fold change (3.3 to 11.5 fold change), p = 0.049) in the asthma group.