CCT4 and cancer: Some of the genes were reported as cancer-related genes, such as CCT2 (Guest et al., 2015), CCT3 (Cui et al., 2015), CCT4 (Yu et al., 2016), CCT6A (Huang et al., 2019), CCT7 (Gao et al., 2019), CCT8 (Huang et al., 2014).