PRDM1 and diffuse large B-cell lymphoma: Ma, J., et al. have found that PRDM1 expression is very low in EBV+ diffuse large b-cell lymphoma (DLBCL) and Hodgkin's lymphoma, while inhibiting the expression of endogenous EBV miR-BHRF1-2 can significantly improve the expression of PRDM1.