Similarly, in mantle cell lymphomas, BCL-1 (B-Cell lymphoma-1) is rearranged and juxtaposes BCL-1 and the immunoglobulin heavy chain IGH (t(11;14)(q13;q32)) resulting in overexpression of the BCL-1 (CCND1) protein [6, 7]. Here, CCND1 is linked to mantle cell lymphoma.