HSP90AA1 and diffuse large B-cell lymphoma: Furthermore, HSP90 stabilizes the transcriptional repressor BCL6 in diffuse large B-cell lymphoma, HSP90 stabilizes the transcriptional repressor BCL6 in diffuse large B-cell lymphoma, which promotes tumorigenesis by inhibiting tumor suppressor genes such as TP53 (Xu-Monette et al., 2012).