Flow Cytometry Contributions for the Diagnosis and Immunopathological Characterization of Primary Immunodeficiency Diseases With Immune Dysregulation.

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ID: 73313
2019
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Ranked #14 of 111 articles by views in Frontiers in immunology

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Abstract
Almost 70 years after establishing the concept of primary immunodeficiency disorders (PIDs), more than 320 monogenic inborn errors of immunity have been identified thanks to the remarkable contribution of high-throughput genetic screening in the last decade. Approximately 40 of these PIDs present with autoimmune or auto-inflammatory symptoms as the primary clinical manifestation instead of infections. These PIDs are now recognized as diseases of immune dysregulation. Loss-of function mutations in genes such as , as well as heterozygous gain-of-function mutations in and have been reported as causative of these disorders. Identifying these syndromes has considerably contributed to expanding our knowledge on the mechanisms of immune regulation and tolerance. Although whole exome and whole genome sequencing have been extremely useful in identifying novel causative genes underlying new phenotypes, these approaches are time-consuming and expensive. Patients with monogenic syndromes associated with autoimmunity require faster diagnostic tools to delineate therapeutic strategies and avoid organ damage. Since these PIDs present with severe life-threatening phenotypes, the need for a precise diagnosis in order to initiate appropriate patient management is necessary. More traditional approaches such as flow cytometry are therefore a valid option. Here, we review the application of flow cytometry and discuss the relevance of this powerful technique in diagnosing patients with PIDs presenting with immune dysregulation. In addition, flow cytometry represents a fast, robust, and sensitive approach that efficiently uncovers new immunopathological mechanisms underlying monogenic PIDs.
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cabralmarques2019flowfrontiers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cabral-Marques, Otavio;Schimke, Lena F;de Oliveira, Edgar Borges;El Khawanky, Nadia;Ramos, Rodrigo Nalio;Al-Ramadi, Basel K;Segundo, Gesmar Rodrigues Silva;Ochs, Hans D;Condino-Neto, Antonio;
Journal Frontiers in immunology
Year 2019
DOI
10.3389/fimmu.2019.02742
URL
Keywords
flow cytometry mutation diagnosis immune dysregulation primary immunodeficiency diseases

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