KPNA4 and non-small cell lung carcinoma: To explore the roles of miR-195-5p and KPNA4 in PTX resistance and cell progression in PTX-resistant NSCLC cells, A549/PTX and H460/PTX cells were transfected with miR-195-5p, miR-NC, miR-195-5p + KPNA4 or miR-195-5p + pcDNA.