| Metadata | |
|---|---|
| ID | DOID:0060022 |
| Name | CD40 ligand deficiency |
| 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. https://www.ncbi.nlm.nih.gov/pubmed/30681380 |
| Xrefs | |
| Synonyms |
HIGMX-1 [EXACT] X-linked hyper-IgM syndrome [EXACT] |
| Parent Relationships | |
| Subclass Logical Relationships |
has material basis in some X-linked recessive inheritance |