CCNA2 and neoplasm: For example, the scRNA‐seq data61 demonstrated that CDC28 Protein Kinase Regulatory Subunit 2 (CKS2) was positively correlated with Cyclin B1 (CCNB1) and Cyclin A2 (CCNA2) expression in TSCC tumor cells, which suggests that CKS2 may act as an important regulator of the G2/M phase transition.74