CSF3 and acute myeloid leukemia: However, post injection of GCSF into mice treated with AML (AML + GCSF) or CYT (CYT + GCSF) or AML + CYT (AML + CYT + GCSF) significantly increased the expression levels of testicular GCSF and GCSF compared to AML, CYT or AML + CYT, respectively (Figure 1E).