FCER1G and childhood leukemia: Fc Fragment of IgE Receptor Ig (FCER1G) mediates allergic inflammatory signaling as a component of the high-affinity immunoglobulin E (IgE) receptor, and it is a critical molecule in developing eczema, clear cell renal cell carcinoma, meningioma and childhood leukemia (Han et al., 2010; Mahachie John et al., 2010; Rajaraman et al., 2010; Chen et al., 2017).