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Novel Btk Mutation in X-Linked Agammaglobulinemia: Report of a 17-Year-Old Male Publisher Pubmed



Shaka Z1 ; Mojtabavi H2, 3 ; Rayzan E3, 4 ; Zoghi S5, 6, 7, 8 ; Shahkarami S8, 9 ; Raul JH5, 6, 7, 11 ; Sedighi I12 ; Boztug K5, 6, 7, 11, 13 ; Rezaei N3, 4, 8, 10
Authors
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Authors Affiliations
  1. 1. School of Medicine, Iran University of Medical Sciences, Tehran, Iran
  2. 2. School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Systematic Review and Meta-Analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  4. 4. International Hematology, Oncology of Pediatrics Experts (IHOPE), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  5. 5. Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria
  6. 6. St. Anna Children's Cancer Research Institute (CCRI), Vienna, Austria
  7. 7. CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
  8. 8. Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  9. 9. Department of Pediatrics, Dr. Von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-Universitat Munchen (LMU), Munich, Germany
  10. 10. Medical Genetics Network (Megene), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  11. 11. Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
  12. 12. Department of Paediatrics, School of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran
  13. 13. Department of Paediatrics and Adolescent Medicine, St Anna Children's Hospital, Medical University of Vienna, Vienna, Austria

Source: Allergologia et Immunopathologia Published:2021


Abstract

Introduction and objectives: X-linked agammaglobulinemia (XLA), the first known primary immunodeficiency, is caused by rare mutations in Bruton's tyrosine kinase (BTK) gene. Mutations in the BTK gene lead to a failure in the development and maturation of B-cell linage. A decreased number of B-cells results in agammaglobulinemia and increased susceptibility to a variety of infections. Therefore, patients with XLA usually manifest with repetitive bacterial infections, such as upper respiratory tract infections, septic arthritis, osteomyelitis, and urinary tract infections, since their infancy. Patients: We report a 17-year-old Iranian boy with XLA, referred to us with a history of severe and recurrent episodes of bacterial infections for a period of six years. © 2021. Codon Publications. Published by Codon Publications. All Rights Reserved.