NFKB1 and B-cell chronic lymphocytic leukemia: The resulting decrease in intracellular ROS promotes the expression of the chemokine receptors CCR2, CXCR3 and CCR7, which are implicated in CLL cell homing to lymphoid and non-lymphoid organs, as a result of enhanced activity of the transcription factor NF-κB (Capitani et al., 2012; Tatangelo et al., 2022).