To investigate whether the NrasG12D/G12D; Mx1‐Cre+; Golga7KO mice acquired additional oncogenic mutations during leukemia development, we performed whole exome sequencing (WES) analysis on BM cells and spleen cells from 5 independent moribund Golga7KO samples and 3 independent NC samples (Figure S3B, Supporting information). This evidence concerns the gene MX1 and leukemia.