PDLIM7 and Burkitt lymphoma: To explore the connection between EBV biology and the presence of Treg in EBV+ tumors, we assayed the expression of LMP1, a viral protein reported to be involved in the upregulation of chemokine expression [19,20], and the related LMP2a by Western blot in 9 Burkitt’s lymphoma- or Gastric carcinoma-derived cell lines.