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. 2015 May 23;6(7):623–631. doi: 10.7150/jca.11291

Figure 1.

Figure 1

PD induced morphological changes of NCI-H460 and A549 cells. (A) NCI-H460 and A549 cells treated with PD at various concentrations of 0, 10, 20, and 30 μmol/L, respectively. After 24 h treatment, cells stained with Gimesa were observed using phase-contrast microscopy (×400). (B) NCI-H460 and A549 cells were exposed to 0, 20 and 30 μmol/L of PD for 24h followed by observation using a transmission electron microscope (TEM). Numerous autophagosomes with typical double-layer membranes containing organelle remnants were highlighted by arrows.