ICOSLG (Inducible T-Cell Costimulator Ligand) is a Protein Coding gene. Diseases associated with ICOSLG include Inclusion Body Myositis and Immunodeficiency With Hyper-Igm, Type 2. Among its related pathways are Immune response NFAT in immune response and T Cell Co-Signaling Pathway: Ligand-Receptor Interactions.