PROM1 and cancer: With 1 μM SnCe6 and 36 J/cm2 laser energy, fVII-tPDT was able to completely eradicate CD133+ H460 and A549 CSCs (0% survival), whereas the survival of CD133- non-CSC H460 and A549 cancer cells was 0.3% (p<0.001 for CD133+ vs. CD133- H460, Supplementary Table S3).