NKX2-1 and B-cell non-Hodgkin lymphoma: Of note, NKL homeobox genes HLX, NKX2-1, NKX2-3, NKX6-3 and MSX1 are deregulated in B-cell lymphoma and show aberrant activity in T-ALL as well which might indicate similar oncogenic functions in both lineages of lymphoid malignancies [25].