Sep 24, 2019

A Computational Pipeline for the Diagnosis of CVID Patients

Frontiers in Immunology
Annelies EmmaneelYvan Saeys

Abstract

Common variable immunodeficiency (CVID) is one of the most frequently diagnosed primary antibody deficiencies (PADs), a group of disorders characterized by a decrease in one or more immunoglobulin (sub)classes and/or impaired antibody responses caused by inborn defects in B cells in the absence of other major immune defects. CVID patients suffer from recurrent infections and disease-related, non-infectious, complications such as autoimmune manifestations, lymphoproliferation, and malignancies. A timely diagnosis is essential for optimal follow-up and treatment. However, CVID is by definition a diagnosis of exclusion, thereby covering a heterogeneous patient population and making it difficult to establish a definite diagnosis. To aid the diagnosis of CVID patients, and distinguish them from other PADs, we developed an automated machine learning pipeline which performs automated diagnosis based on flow cytometric immunophenotyping. Using this pipeline, we analyzed the immunophenotypic profile in a pediatric and adult cohort of 28 patients with CVID, 23 patients with idiopathic primary hypogammaglobulinemia, 21 patients with IgG subclass deficiency, six patients with isolated IgA deficiency, one patient with isolated IgM deficienc...Continue Reading

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Mentioned in this Paper

Inborn Errors of Metabolism
Flow Cytometry
Immunologic Deficiency Syndromes
Follow-up
Selective Immunoglobulin M Deficiency
Subclass
Immunophenotyping
B-Lymphocytes
Common Variable Immunodeficiency
Immunoglobulin A Deficiency (Disorder)

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