In addition, we analyzed the expression frequency of AML-Ig in 17 AML patients and detected high expression of Igμ (15/17, 88.2%), Igγ (13/17, 76.5%), Igα (11/17, 64.7%), and Igδ (11/17, 64.7%) in myeloblasts. This evidence concerns the gene CD40LG and acute myeloid leukemia.