ATP2A3 and Burkitt lymphoma: A marked decrease of SERCA3 expression could be observed in various Burkitt's lymphoma cell lines infected with the B95–8 EBV strain that displays full immortalizing capacity and expresses LMP-1 and EBNA2, whereas the non-immortalizing P3HR-1 virus strain that lacks LMP-1 expression due to deletions in the sequence of the EBNA2 viral transactivator [38] was without effect.