X-linked hyper IgM syndrome with a novel CD40-ligand gene mutation suffered from infection of Talaromyces marneffei
BackgroundX-linked Hyper-IgM Syndrome (X-HIGM) is a primary immunodeficiency caused by pathogenic variants in CD40L. Loss of functional CD40 ligand interferes with T-cell–dependent B-cell responses and immunoglobulin class-switch recombination, resulti…