TGFB1 and neoplasm: To gain insight into the molecular features of the dormancy state upon abrogation of myeloid TGF-β signaling, we sorted GFP+CVCPos dormant and GFP+CVCNeg proliferating tumor cells from control and Tgfbr2MyeKO mice 14 days after TVI of D2A1-H2B-GFP cells (Figure 2A, and Supple fig.