Article
Molecular characterization of patients with X-linked Hyper-IgM syndrome: description of two novel CD40L mutations.
Scandinavian journal of immunology - 1 Feb 2009
Rangel-Santos A, Wakim V L, Jacob C M, Pastorino A C, Cunha J M, Collanieri A C, Niemela J E, Grumach A S, Duarte A J S, Moraes-Vasconcelos D, Oliveira J B
Abstract excerpt
Type 1, X-linked Hyper-IgM syndrome (HIGM1) is caused by mutations in the gene encoding the CD154 protein, also known as CD40 ligand (CD40LG). CD40L is expressed in activated T cells and interacts with CD40 receptor expressed on B lymphocytes and dendritic cells. Affected patients present cellular and humoral immune defects, with infections by intracellular, opportunistic and extracellular pathogens. In the...
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