<p> Supporting Information</p><p>S1. Apoptosis induced by 10μM cell penetrating peptides S2. Apoptosis induced by 50μM cell penetrating peptides</p><p>Figure S1. The apoptosis study on LO2 cells after incubation with 10μM CPPs. The left bar graph showed the percentage of apoptosis cells, while the right bar graph showed the necrotic rate of LO2 cells. Data represent the mean ± SD (n = 3). **, *** represent p < 0.01 and p < 0.001 versus PBS group, respectively.</p><p>Figure S2. The apoptosis study on LO2 cells after incubation with 50μM CPPs. The left bar graph showed the percentage of apoptosis cells, while the right bar graph showed the necrotic rate of LO2 cells. Data represent the mean ± SD (n = 3). *, *** represent p < 0.05 and p < 0.001 versus PBS group, respectively.</p><p>Figure S3. Long-term toxic effects through WST-1 assay in LO2 cells after treated with different kind of peptides. The concentration of 1 μM of each CPPs were the control groups. *, ** and *** represent p < 0.05, p < 0.01 and p < 0.001 versus control group, respectively.</p>