Abstract:CTLA4 deficiency is a primary immunodeficiency state (PIDS) caused by monoallelic mutations in the gene of the same name, and belongs to the group of immunodeficiencies with immune dysregulation. This work analyzes the results of 11 patients with CTLA4 mutations observed at the Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology from October 2012 to January 2021. In 10 of 11 patients had some manifestations of immune dysregulation, the most frequent were cytopenias (10/11… Show more
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