TERF2 and T-cell non-Hodgkin lymphoma: Here weshow that TRF2 and GFP-TRF2 can be overexpressed in the hematopoietic system ofC57BL/6J mice, and that the transgenic TRF2 localizes to telomeres.Approximately 15% of animals that were secondary recipients of TRF2overexpressing hematopoietic precursors developed T cell lymphomas.