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Clinical Heterogeneity in Families With Multiple Cases of Inborn Errors of Immunity Publisher Pubmed



Delavari S1, 2 ; Rasouli SE1, 2 ; Fekrvand S1, 2 ; Chavoshzade Z3 ; Mahdaviani SA4 ; Shirmast P1, 2, 25 ; Sharafian S3 ; Sherkat R5 ; Momen T6 ; Aleyasin S7 ; Ahanchian H8 ; Sadeghishabestari M9 ; Esmaeilzadeh H7 ; Barzamini S10 Show All Authors
Authors
  1. Delavari S1, 2
  2. Rasouli SE1, 2
  3. Fekrvand S1, 2
  4. Chavoshzade Z3
  5. Mahdaviani SA4
  6. Shirmast P1, 2, 25
  7. Sharafian S3
  8. Sherkat R5
  9. Momen T6
  10. Aleyasin S7
  11. Ahanchian H8
  12. Sadeghishabestari M9
  13. Esmaeilzadeh H7
  14. Barzamini S10
  15. Tarighatmonfared F11
  16. Salehi H1
  17. Esmaeili M1, 2
  18. Marzani Z1
  19. Fathi N1, 2
  20. Abolnezhadian F12
  21. Rad MK1
  22. Saeediboroujeni A13
  23. Shirkani A14
  24. Bagheri Z1
  25. Salami F1, 2
  26. Shad TM1, 2
  27. Marzbali MY1
  28. Mojtahedi H15
  29. Razavi A1
  30. Tavakolinia N16, 17
  31. Cheraghi T18
  32. Tavakol M19
  33. Shafiei A20
  34. Behniafard N21
  35. Ebrahimi SS22
  36. Sepahi N7
  37. Ghaneimoghadam A21
  38. Rezaei A1, 2
  39. Kalantari A23
  40. Abolhassani H1, 2, 24
  41. Rezaei N1, 2
Show Affiliations
Authors Affiliations
  1. 1. Research Center for Primary Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
  3. 3. Department of Allergy and Clinical Immunology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  4. 4. Pediatric Respiratory Disease Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
  5. 5. Immunodeficiency Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Department of Asthma, Allergy and Clinical Immunology, Child Growth and Development Research Center, Research Institute of Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  7. 7. Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  8. 8. Allergy Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
  9. 9. Department of Immunology and Allergy, Tabriz University of Medical Sciences, Tabriz, Iran
  10. 10. Department of Rheumatology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  11. 11. Pediatric Respiratory and Sleep Medicine Research Center, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  12. 12. Department of Pediatrics, Abuzar Children's Hospital, Ahvaz University of Medical Sciences, Ahvaz, Iran
  13. 13. Department of Basic Medical Sciences, Faculty of Medicine, Abadan University of Medical Sciences, Abadan, Iran
  14. 14. Allergy and Clinical Immunology Department, Bushehr University of Medical Sciences, School of Medicine, Bushehr, Iran
  15. 15. Molecular Immunology Research Center Tehran University of Medical Sciences, Tehran, Iran
  16. 16. Murdoch Children's Research Institute, Melbourne, Australia
  17. 17. Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Australia
  18. 18. Department of Pediatrics, Guilan University of Medical Sciences, 17 Shahrivar Children's Hospital, Rasht, Iran
  19. 19. Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
  20. 20. Department of Immunology, Bahrami Hospital, Tehran University of Medical Sciences, Tehran, Iran
  21. 21. Children Growth Disorder Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
  22. 22. Department of Immunology and Allergy, Kerman University of Medical Sciences, Kerman, Iran
  23. 23. Department of Immunology and Allergy, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
  24. 24. Division of Immunology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
  25. 25. Menzies Health Institute Queensland and School of Medical Sciences, Griffith University, Gold Coast, QLD, Australia

Source: Clinical Immunology Published:2024


Abstract

Background: Inborn errors of immunity (IEI) are a diverse range of genetic immune system illnesses affecting the innate and/or adaptive immune systems. Variable expressivity and incomplete penetrance have been reported in IEI patients with similar clinical diagnoses or even the same genetic mutation. Methods: Among all recorded patients in the national IEI registry, 193 families with multiple cases have been recognized. Clinical, laboratory and genetic variability were compared between 451 patients with different IEI entities. Results: The diagnosis of the first children led to the earlier diagnosis, lower diagnostic delay, timely treatment and improved survival in the second children in the majority of IEI. The highest discordance in familial lymphoproliferation, autoimmunity and malignancy were respectively observed in STK4 deficiency, DNMT3B deficiency and ATM deficiency. Regarding immunological heterogeneity within a unique family with multiple cases of IEI, the highest discordance in CD3+, CD4+, CD19+, IgM and IgA levels was observed in syndromic combined immunodeficiencies (CID), while non-syndromic CID particularly severe combined immunodeficiency (SCID) manifested the highest discordance in IgG levels. Identification of the first ATM-deficient patient can lead to improved care and better survival in the next IEI children from the same family. Conclusion: Intrafamilial heterogeneity in immunological and/or clinical features could be observed in families with multiple cases of IEI indicating the indisputable role of appropriate treatment and preventive environmental factors besides specific gene mutations in the variable observed penetrance or expressivity of the disease. This also emphasizes the importance of implementing genetic evaluation in all members of a family with a history of IEI even if there is no suspicion of an underlying IEI as other factors besides the underlying genetic defects might cause a milder phenotype or delay in presentation of clinical features. Thus, affected patients could be timely diagnosed and treated, and their quality of life and survival would improve. © 2024 Elsevier Inc.
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