CD40LG (CD40 Ligand) is a Protein Coding gene. Diseases associated with CD40LG include Immunodeficiency With Hyper-Igm, Type 1 and Toxoplasmosis. Among its related pathways are Photodynamic therapy-induced NF-kB survival signaling and B Cell Development Pathways. Gene Ontology (GO) annotations related to this gene include cytokine activity and CD40 receptor binding. An important paralog of this gene is TNFSF15.