RNF31 and aneurysmal bone cyst: We previously reported that augmented LUBAC ligase activity is involved in the pathogenesis of the activated B cell-like type of diffuse large B cell lymphoma (ABC-DLBCL) and that inhibition of the HOIP/HOIL-1L interaction by a hydrocarbon-stapled a-helical peptide (HOIP-N) can suppress the proliferation of ABC-DLBCL cells (Yang et al., 2014).