DLEU1 and DLEU2 (Deleted in lymphocytic Leukemia 1 and 2) are two lncRNAs produced from the 13q14.3 tumor suppressor locus [235] which is deleted in lymphomas and hematopoitic cancers like Chronic Lymphocytic Leukemia (CLL) [236, 237]. Here, DLEU2 is linked to B-cell chronic lymphocytic leukemia.