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Lps-Responsive Beige-Like Anchor Gene Mutation Associated With Possible Bronchiolitis Obliterans Organizing Pneumonia Associated With Hypogammaglobulinemia and Normal Igm Phenotype and Low Number of B Pubmed



Shokri S1 ; Nabavi M1 ; Hirschmugl T2 ; Aghamohammadi A3 ; Arshi S1 ; Bemanian MH1 ; Fallahpour M1 ; Molatefi R1 ; Rekabi M1 ; Eslami N1 ; Ahmadian J1 ; Darabi K1 ; Sedighi GR1 ; Monajemzadeh M5 Show All Authors
Authors
  1. Shokri S1
  2. Nabavi M1
  3. Hirschmugl T2
  4. Aghamohammadi A3
  5. Arshi S1
  6. Bemanian MH1
  7. Fallahpour M1
  8. Molatefi R1
  9. Rekabi M1
  10. Eslami N1
  11. Ahmadian J1
  12. Darabi K1
  13. Sedighi GR1
  14. Monajemzadeh M5
  15. Modaresi M5, 6
  16. Parvaneh N3
  17. Boztug K2, 7
  18. Rezaei N3, 4, 8
Show Affiliations
Authors Affiliations
  1. 1. Department of Allergy and Clinical Immunology, Rasool-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
  2. 2. CeMM Research Center for Molecular Medicine, Austrian Academy of Sciences, Vienna, Austria
  3. 3. Research Center for Immunodeficiencies, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Pediatrics Center for Excellence, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Pediatric Respiratory Diseases Education and Research Network (PRDERN), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  7. 7. Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
  8. 8. Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Boston, MA, United States

Source: Acta Medica Iranica Published:2016


Abstract

LPS-Responsive Beige-like Anchor (LRBA) deficiency is a disease which has recently been described in a group of patients with common variable immunodeficiency (CVID) in association with autoimmunity and/or inflammatory bowel disease (IBD)-like phenotype. We here describe a 10-year-old boy who experienced recurrent infections, mainly in the respiratory system, associated with thrombocytopenia and anemia. Immunological workup showed low numbers of B cells and low IgG, but normal IgM levels. In spite of therapeutic doses of antibiotics, antivirals, and antifungal agents, in addition to immunoglobulin replacement therapy, he developed disseminated involvement of both lungs with peripheral nodules; transbronchial lung biopsy revealed possible bronchiolitis obliterans organizing pneumonia (BOOP). Combined homozygosity mapping and exome sequencing identified a homozygous LRBA mutation in this patient (p.Asp248Glufs * 2). Such clinical and immunological findings have not been described to date and illustrate the broad and variable clinical phenotype of human LRBA deficiency. © 2016 Tehran University of Medical Sciences. All rights reserved.
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