TP53 and B-cell chronic lymphocytic leukemia: We grouped the CLL cell lines in our study according to their mutational status into the following categories: TP53 MT, U-CLL (i.e., PCL-12, CII), TP53 WT, U-CLL (i.e., HG3, Wa-C3CD5+), TP53 MT, M-CLL (i.e., MEC-1), and TP53 WT, M-CLL (i.e., PGA-1, JVM-3, I83-E95).