Knocking down SIRT6 abolished apoptotic responses and conferred resistance to the treatment of BKM120….The results uncover SIRT6 as a new potential biomarker for colon cancer, and its unappreciated mechanism about transcription and expression via Akt/FoxO3a pathway....Kaplan-Meier analysis showed that CRC patients with relative lower SIRT6 levels had shorter overall survival or disease-free survival times (Figure (Figure1F1F and G).