Article
Mutations of CD40 ligand in two patients with hyper-IgM syndrome.
Immunobiology - 1 Jan 2003
García-Pérez Miguel A, Paz-Artal Estela, Corell Alfredo, Moreno Angel, López-Goyanes Alberto, García-Martín Francisco, Vázquez Rosario, Pacho Aranzazu, Romo Eva, Allende Luis M
Abstract excerpt
Two patients with the X-linked form of the hyper-IgM syndrome have been studied. Both patients present: 1. Mutations in the CD40L gene (a nonsense point mutation that introduces a termination codon at the extracellular domain of the protein, and a deletion that eliminates exon 4 as consequence of an abnormal splicing). 2. Lack of CD40L expression on the lymphocyte surface after stimulation with ionomycin and PMA....
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