TGFB1 and myeloid leukemia: These results corroborate the enhanced TGF‐β signalling and/or target gene expression noted in epithelial 6 and myeloid leukaemia cells 11 with diminished TGIF1 expression, and align with roles for TGF‐β in HSC self‐renewal,21 quiescence 22 and enhanced leukaemic stem cell function.21, 35