The expression of CARM1 or PIK3C2A was correlated with tubulin expression (TUBA1A, TUBA1B, TUBA1C, TUBB, TUBB2A, TUBB3, TUBB4B, TUBB6, and TUBG1) in 67 breast cancer cell lines from the DepMap database (Fig. 2A, B, S2A). This evidence concerns the gene TUBB4B and breast cancer.