open access

Vol 53, No 1 (2022)
Original research article
Submitted: 2022-02-03
Accepted: 2022-02-03
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Role of tumor necrosis factor-alpha–308 G/A and interleukin-10 promotor–592 C/A polymorphisms in adult immune thrombocytopenic purpura

Amani Fouad Sorour1, Ahmed Mohamed Lotfy Bedewy2, Irene Lewis Mikhael2, Asmaa Ahmed Abd El-Aziz El-Zokm2, Samar Mahmoud Masoud Aboelsaad1, Salma Alaa Eldin Imbaby1
DOI: 10.5603/AHP.2022.0005
·
Acta Haematol Pol 2022;53(1):58-65.
Affiliations
  1. Clinical Pathology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt
  2. Hematology Department, Medical Research Institute, Alexandria University, Alexandria, Egypt

open access

Vol 53, No 1 (2022)
ORIGINAL RESEARCH ARTICLE
Submitted: 2022-02-03
Accepted: 2022-02-03

Abstract

Introduction: Immune thrombocytopenia (ITP) pathogenesis has been related to cytokine imbalance, which is controlled genetically with gene polymorphisms. The correlation of the interleukin (IL)-10 gene and tumor necrosis factor alpha (TNF-α) polymorphisms with ITP susceptibility has been previously investigated, but the association with clinical and prognostic parameters remains unclear. Material and methods: To investigate the relation between IL-10-592 C/A and TNF-α-308 G/A gene polymorphisms and their clinical significance in adult patients with ITP. This study was conducted on 40 ITP patients and 40 control individuals. The IL-10-592 C/A polymorphism was genotyped by the polymerase chain reaction-restriction fragment length polymorphism method and the TNF- α-308 G/A polymorphism by amplification refractory mutation system analysis. Results: The TNF-α-308 G/A polymorphism was significantly associated with low platelet count, wet purpura, higher bleeding score, higher incidence of complications, and lack of response to steroid therapy. The IL-10-592 C/A polymorphism was not significantly associated with any of these parameters. Conclusion: We found a significant association between the TNF-α-308 G/A polymorphism and several clinical parameters, which suggests a probable role in the prognosis among adult ITP patients.

Abstract

Introduction: Immune thrombocytopenia (ITP) pathogenesis has been related to cytokine imbalance, which is controlled genetically with gene polymorphisms. The correlation of the interleukin (IL)-10 gene and tumor necrosis factor alpha (TNF-α) polymorphisms with ITP susceptibility has been previously investigated, but the association with clinical and prognostic parameters remains unclear. Material and methods: To investigate the relation between IL-10-592 C/A and TNF-α-308 G/A gene polymorphisms and their clinical significance in adult patients with ITP. This study was conducted on 40 ITP patients and 40 control individuals. The IL-10-592 C/A polymorphism was genotyped by the polymerase chain reaction-restriction fragment length polymorphism method and the TNF- α-308 G/A polymorphism by amplification refractory mutation system analysis. Results: The TNF-α-308 G/A polymorphism was significantly associated with low platelet count, wet purpura, higher bleeding score, higher incidence of complications, and lack of response to steroid therapy. The IL-10-592 C/A polymorphism was not significantly associated with any of these parameters. Conclusion: We found a significant association between the TNF-α-308 G/A polymorphism and several clinical parameters, which suggests a probable role in the prognosis among adult ITP patients.

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Keywords

immune thrombocytopenic purpura, polymorphism, interleukin 10 promotor gene, tumor necrosis factor-alpha gene, prognosis

About this article
Title

Role of tumor necrosis factor-alpha–308 G/A and interleukin-10 promotor–592 C/A polymorphisms in adult immune thrombocytopenic purpura

Journal

Acta Haematologica Polonica

Issue

Vol 53, No 1 (2022)

Article type

Original research article

Pages

58-65

Page views

721

Article views/downloads

49

DOI

10.5603/AHP.2022.0005

Bibliographic record

Acta Haematol Pol 2022;53(1):58-65.

Keywords

immune thrombocytopenic purpura
polymorphism
interleukin 10 promotor gene
tumor necrosis factor-alpha gene
prognosis

Authors

Amani Fouad Sorour
Ahmed Mohamed Lotfy Bedewy
Irene Lewis Mikhael
Asmaa Ahmed Abd El-Aziz El-Zokm
Samar Mahmoud Masoud Aboelsaad
Salma Alaa Eldin Imbaby

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