Fcer1g, another gene shared by both the spleen and tumor transcriptomes (Fig. 3D-3F), was upregulated more than fourfold in the spleen of CT26 tumor-bearing mice as compared to healthy control mice (Fig. 4A), however, exercise training did not change Fc receptor, IgE, high affinity I, gamma polypeptide (Fcer1g) mRNA levels (Fig. 4A). Here, FCER1G is linked to neoplasm.