Research Article

The Efficient Apoptotic Induction of Paclitaxel-Loaded Poly(N-vinylpyrrolidone)-block-poly(ε-caprolactone) Nanoparticles in the In Vitro Study of Lung Cancer Cell Lines

Figure 5

The expression of antiapoptotic protein Bcl-2 and proapoptotic protein Bax in NCI1975 cells exposed to the equivalent dose of Ptx or Ptx-NPs detected by western blot analysis.