ACVR2B and lymphoma: This identified upregulation of TGFβ signalling as the most affected molecular pathway in Eμ-Myc;shBcor lymphomas (Bonferroni corrected P=0.0058), with enhanced expression of TGFβ pathway members (Cited1, Bambi, Acvr2b, Smad3, Mapk12, Tgfb2).