ArticleJournal of clinical immunology2023
The Autoimmune Manifestations in Patients with Genetic Defects in the B Cell Development and Differentiation Stages.
Article in Journal of clinical immunology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 11 citations in OpenAlex.
- Ultrarare Variants in DNA Damage Repair and Mitochondrial Genes in Pediatric Acute-Onset Neuropsychiatric Syndrome and Acute Behavioral Regression in Neurodevelopmental Disorders.Developmental neuroscience · 2026Article
- Homozygous Loss of Function PIK3CD Mutation in Multiple Siblings Leading To B Cell Dysregulation and Autoimmunity.Journal of clinical immunology · 2025Article
- Review
- Ultrarare Variants in DNA Damage Repair Genes in Pediatric Acute-Onset Neuropsychiatric Syndrome or Acute Behavioral Regression in Neurodevelopmental Disorders.Developmental neuroscience · 2025Article
- 2q33 Deletions Underlying Syndromic and Non-syndromic CTLA4 Deficiency.Journal of clinical immunology · 2024Article
- Case Report: Common variable immunodeficiency phenotype and granulomatous-lymphocytic interstitial lung disease with a novel SOCS1 variant.Frontiers in pediatrics · 2024Article
- Points to Consider in Health Assessment of Adult Patients with Primary Antibody Deficiencies.Journal of clinical medicine · 2023Article
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22 authors at 11 institutions in 4 countries.
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No grant is acknowledged in the PubMed record.
Abstract
purposePrimary B cell defects manifesting as predominantly antibody deficiencies result from variable inborn errors of the B cell lineage and their development, including impairments in early bone marrow development, class switch recombination (CSR), or terminal B cell differentiation. In this study, we aimed to investigate autoimmunity in monogenic patients with B cell development and differentiation defects.
methodsPatients with known genetic defects in the B cell development and differentiation were recruited from the Iranian inborn errors of immunity registry.
resultsA total of 393 patients with a known genetic defect in the B cell development and differentiation (257 males; 65.4%) with a median age of 12 (6-20) years were enrolled in this study. After categorizing patients, 109 patients had intrinsic B cell defects. More than half of the patients had defects in one of the ATM (85 patients), BTK (76 patients), LRBA (34 patients), and DOCK8 (33 patients) genes. Fifteen patients (3.8%) showed autoimmune complications as their first manifestation. During the course of the disease, autoimmunity was reported in 81 (20.6%) patients at a median age of 4 (2-7) years, among which 65 patients had mixed intrinsic and extrinsic and 16 had intrinsic B cell defects. The comparison between patients with the mentioned four main gene defects showed that the patient group with LRBA defect had a significantly higher frequency of autoimmunity compared to those with other gene defects. Based on the B cell defect stage, 13% of patients with early B cell defect, 17% of patients with CSR defect, and 40% of patients who had terminal B cell defect presented at least one type of autoimmunity.
conclusionOur results demonstrated that gene mutations involved in human B cell terminal stage development mainly LRBA gene defect have the highest association with autoimmunity.
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