T-PLL is also seen in non-A-T individuals where expression of either TCL1 (at 14q32) or the c6.1B/MTCP1 A1 transcript (at-Xq28) has been demonstrated in just a few instances.     ///    "Expression of either the TCL1 oncogene, or transcripts from its homologue MTCP1/c6.1B, in leukaemic and non-leukaemic T cells from ataxia telangiectasia patients.. "