Apoptosis induction by Ad/hIFN-λ infection. A. FCM analysis of early and late cell apoptosis infected with Ad/hIFN-λ1, Ad/hIFN-λ2 or both. B. Analysis of early and late cell apoptosis rate. C. Relative mRNA expression levels of Bax, Bcl-2, Bcl-6, Caspase-3, Caspase-8 and Caspase-9 in cells infected with Ad/hIFN-λ1, Ad/hIFN-λ2 or both. D. Representative western blot images of Bcl-2, Bax, Caspase-3 and β-actin in cells infected with Ad/hIFN-λ1, Ad/hIFN-λ2 or both. Data in the figures represent average ± SD. (n=3) *P<0.05, **P<0.01, ***P<0.001 based on one way ANOVA.