Blast 2, BLAST-2, Blast2, C type lectin domain family 4 member J, C-type lectin domain family 4, C-type lectin domain family 4 member J, C-type lectin domain family 4, member J, CD 23, CD 23A, CD23, CD23 antigen, CD23A, CLEC 4J, CLEC4J, Fc epsilon receptor II, Fc epsilon RII, Fc fragment of IgE, Fc fragment of IgE low affinity II receptor for, Fc fragment of IgE receptor II, Fc fragment of IgE, low affinity II, receptor for (CD23), Fc of IgE, Fc of IgE, low affinity II, receptor for (CD23), Fc receptor IgE low affinity II alpha polypeptide, Fc receptor, IgE, low affinity II, alpha polypeptide, isoform CRA_a, Fc-epsilon-RII, FCE 2, FCE2, FCER 2, Fcer2, FCER2_HUMAN, FCER2A, FceRII, IgE binding factor, IgE receptor lymphocyte, IgE-binding factor, IGEBF, Immunoglobulin E binding factor, Immunoglobulin E receptor, Immunoglobulin E receptor, low affinity II, Immunoglobulin E-binding factor, Immunoglobulin epsilon chain, LEUKOCYTE ANTIGEN CD23, Low Affinity IgE Receptor, Low affinity immunoglobulin epsilon Fc receptor, Low affinity immunoglobulin epsilon Fc receptor membrane bound form, Low affinity immunoglobulin epsilon Fc receptor soluble form, Ly-42, Ly42, Lymphocyte antigen CD23, Lymphocyte IgE receptor, MGC93219