KIF4A and non-small cell lung carcinoma: Our study supports the previous finding that overexpression of Cluster 1 genes in several cancer including NSCLC and associated with poor overall survival such as: KIF2C (73), KIF4A (11, 74), and KIF11 (75) which are kinesin family members of motor proteins regulating the cell mitosis through faithful chromosome condensation and segregation (76).