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Disease Ontology Browser
CD40 ligand deficiency (DOID:0060022)
Alliance: disease page
Synonyms: HIGMX-1; X-linked hyper-IgM syndrome
Alt IDs: OMIM:308230
Definition: A combined T cell and B cell immunodeficiency that is a X-linked immunodeficiency with hyperimmunoglobulin M (XHIM) affecting isotype switching and is caused by the absence of CD40 ligand which is normally expressed on activated CD4+ T cells. Individuals with this mutation are unable to switch from IgM to IgG, IgA and IgE.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
11/05/2024
MGI 6.24 		The Jackson Laboratory