MAPK7 and non-small cell lung carcinoma: Interestingly, Q-RT-PCR analyses of RNA isolated from ERK5 overexpressing NSCLC cells, revealed a 4-fold (A549) and a 3-fold (H157) increase in hsa-miR29b expression, but not hsa-miR29a or hsa-miR29c expression (Fig. 3A,B).