A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report

Background: The spleen tyrosine kinase (SYK) gene, located on chromosome 9q22.2, encodes a crucial cytoplasmic non-receptor tyrosine kinase involved in immune cell signaling, particularly in B and T cell receptor pathways. Mutations in SYK are linked to "Immunodeficiency 82 with Systemic In...

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Main Authors: Aslı Guner Ozturk Demir, Akif Ayaz, Muhsin Elmas
Format: Article
Language:English
Published: Discover STM Publishing Ltd 2024-02-01
Series:Journal of Biochemical and Clinical Genetics
Subjects:
Online Access:https://www.jbcgenetics.com/?mno=220420
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author Aslı Guner Ozturk Demir
Akif Ayaz
Muhsin Elmas
author_facet Aslı Guner Ozturk Demir
Akif Ayaz
Muhsin Elmas
author_sort Aslı Guner Ozturk Demir
collection DOAJ
description Background: The spleen tyrosine kinase (SYK) gene, located on chromosome 9q22.2, encodes a crucial cytoplasmic non-receptor tyrosine kinase involved in immune cell signaling, particularly in B and T cell receptor pathways. Mutations in SYK are linked to "Immunodeficiency 82 with Systemic Inflammation" (OMIM: 619381), characterized by systemic inflammation and immune dysfunction. Case Presentation: We report a case of a 9-year-old boy with a newly identified heterozygous mutation in the SYK gene, p.R434Q (c.1301G>A). The patient presented with hypogammaglobulinemia, CD8 deficiency, and immune dysfunction, alongside a history of PFAPA syndrome. Although initial genetic and immunological evaluations were unremarkable, exome sequencing ultimately revealed the novel p.R434Q mutation, which was confirmed through Sanger sequencing. Conclusion: This case expands the known spectrum of SYK-related disorders and highlights the critical role of genetic testing in the diagnosis and management of immune deficiency syndromes. [JBCGenetics 2024; 7(2.000): 114-117]
format Article
id doaj-art-1763408e86f64408afa8cb293d091ca8
institution Kabale University
issn 1658-807X
1658-8088
language English
publishDate 2024-02-01
publisher Discover STM Publishing Ltd
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series Journal of Biochemical and Clinical Genetics
spelling doaj-art-1763408e86f64408afa8cb293d091ca82025-08-20T03:42:18ZengDiscover STM Publishing LtdJournal of Biochemical and Clinical Genetics1658-807X1658-80882024-02-017211411710.24911/JBCGenetics.183-1726230535220420A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case reportAslı Guner Ozturk Demir0Akif Ayaz1Muhsin Elmas2Genetic Diseases Evaluation Center, Istanbul Medipol University, Beykoz, Istanbul, Turkey Genetic Diseases Evaluation Center, Memorial Şişli Hospital, Şişli, Istanbul, Turkey Genetic Diseases Evaluation Center, Istanbul Medipol University, Beykoz, Istanbul, TurkeyBackground: The spleen tyrosine kinase (SYK) gene, located on chromosome 9q22.2, encodes a crucial cytoplasmic non-receptor tyrosine kinase involved in immune cell signaling, particularly in B and T cell receptor pathways. Mutations in SYK are linked to "Immunodeficiency 82 with Systemic Inflammation" (OMIM: 619381), characterized by systemic inflammation and immune dysfunction. Case Presentation: We report a case of a 9-year-old boy with a newly identified heterozygous mutation in the SYK gene, p.R434Q (c.1301G>A). The patient presented with hypogammaglobulinemia, CD8 deficiency, and immune dysfunction, alongside a history of PFAPA syndrome. Although initial genetic and immunological evaluations were unremarkable, exome sequencing ultimately revealed the novel p.R434Q mutation, which was confirmed through Sanger sequencing. Conclusion: This case expands the known spectrum of SYK-related disorders and highlights the critical role of genetic testing in the diagnosis and management of immune deficiency syndromes. [JBCGenetics 2024; 7(2.000): 114-117]https://www.jbcgenetics.com/?mno=220420syksystemic inflammationimmunodeficiencycase report
spellingShingle Aslı Guner Ozturk Demir
Akif Ayaz
Muhsin Elmas
A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report
Journal of Biochemical and Clinical Genetics
syk
systemic inflammation
immunodeficiency
case report
title A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report
title_full A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report
title_fullStr A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report
title_full_unstemmed A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report
title_short A Novel Heterozygous Mutation in the SYK Gene and Systemic Inflammation with Immunodeficiency - a case report
title_sort novel heterozygous mutation in the syk gene and systemic inflammation with immunodeficiency a case report
topic syk
systemic inflammation
immunodeficiency
case report
url https://www.jbcgenetics.com/?mno=220420
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