PTEN and diffuse large B-cell lymphoma: To investigate changes following combination treatment, sensitive PTEN-wild-type (SUDHL-4) and PTEN-deficient (WSU-DLCL2) GCB-DLBCL, as well as an insensitive PTEN wild-type (TMD8, OCI-LY10, U2932), ABC-DLBCL cell lines were evaluated (Fig. 1D, Supp.