Fig. 2.
Erlotinib-resistant cells have lower spare respiratory capacity. (A) Mitochondrial stress test profiles for PC9 and PC9R cells. (B–D) Mitochondrial ATP linked oxygen consumption and mitochondrial reserve capacity of PC9, PC9R, H3255, H3255R, HCC4011 and HCC4011R cells. Data are average of three individual experiments. Bars, SEM. ***P < 0.001, **P < 0.01, *P < 0.05.