Intra-tumour heterogeneity manifests both at the level of mutational burden, and at a functional level within genetically homogenous populations. A new modelling approach suggests stemness within colorectal tumours is defined by microenvironmental cues secreted from cancer-associated fibroblasts rather than cell-intrinsic properties.
- D. J. Flanagan
- M. C. Hodder
- O. J. Sansom