DKK1 and neoplasm: We found a significant increase in CD107a+ and IFNγ+ NK cells in the tumor mass of αSMA-Dkk1cKO compared to αSMA-Dkk1WT, but no differences in the bone marrow, where DKK1 levels are similar between αSMA-Dkk1cKO and αSMA-Dkk1WT mice (Fig. 7F, G, Supplementary Fig. 6F).