Primary B cells and Burkitt’s lymphoma B-cell line:•Cellular stimulation increased AhR levels and basal or ligand-induced AhR activation (i.e. CYP induction) (66–68)CD5+ innate-like primary B cells:•Increased basal AhR levels and ligand-induced AhR activation compared to CD5- B cells (42). Here, AHR is linked to Burkitt lymphoma.