CCR2 and Burkitt lymphoma: We also demonstrated previously that CCR2 (isoform CCR2B) was expressed and that the receptor was functional in LCLs and in three endemic BL cell lines (Mutu cl.99, Mutu III, and Jijoye P79), in which the EBV-encoded latent protein EBNA2 is abundantly expressed [23] (Figure 2D).