Fig. 6From: pH-activated, mitochondria-targeted, and redox-responsive delivery of paclitaxel nanomicelles to overcome drug resistance and suppress metastasis in lung cancerThe migration of A549 and A549/ADR cells. The representative images (A) and quantification of migrating A549 cells (B) and A549/ADR cells (C) (n = 4). Scale bar, 20 μm. *P < 0.05; **P < 0.01Back to article page