highly significantp < 0.0001
Tempol Promotes Apoptosis of HT29 and CRL1739 Cells by Modulating Pro-Apoptotic and Anti-Apoptotic Proteins As presented in Table 1 , Tempol treatment resulted in a highly significant ( p < 0.0001) increase in Bax and cleaved caspase-3 protein levels compared to the control groups in both gastric (CRL1739) and colon (HT29) cancer cells.