Polymorphisms of the TNF-α gene and risk of celiac disease in T1DM children

Csaba Hermann, Dóra Krikovszky, B. Vásárhelyi, Antal Dezsofi, L. Madácsy

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Background: Type 1 diabetes mellitus (T1DM) and celiac disease (CD) frequently occur together. Previous reports suggested that the -308A variant of the tumor necrosis factor-α (TNF-α) gene is associated either with T1DM or with CD. The aim of our study was to determine whether -308A and -238A allelic variants of the TNF-α gene might have any impact on the risk of CD in T1DM children. Methods: Three hundred nd one T1DM children were enrolled to the study. The presence of CD was screened with IgA endomysial antibodies (EMA) test. Jejunal biopsy was performed to confirm CD. TNF-α-308 and -238 genetic variants were tested using the method of restriction fragment length polymorphism. Results: The prevalence of CD in the enrolled diabetic children was 6.3% (19 out of 301 children). The frequency of the -308A TNF-α variant was similar in the CD and the non-CD groups, exceeding the Hungarian healthy reference value. The number of -238A allele carriers was higher in the CD (4/19) than in the non-CD group (17/277) (p <0.05). Conclusions: Our study is limited by the small number of CD patients. On the basis of our findings, carriers of TNF -308A allele do not seem to have an increased risk for CD in T1DM. The association between TNF-α -238A allele carrier state and CD requires further investigation.

Original languageEnglish
Pages (from-to)138-141
Number of pages4
JournalPediatric Diabetes
Volume8
Issue number3
DOIs
Publication statusPublished - Jun 2007

Fingerprint

Celiac Disease
Type 1 Diabetes Mellitus
Tumor Necrosis Factor-alpha
Genes
Alleles
Carrier State
Restriction Fragment Length Polymorphisms
Immunoglobulin A
Reference Values
Biopsy

Keywords

  • Celiac disease
  • Genetic polymorphism
  • Tumor necrosis factor-a
  • Type 1 diabetes mellitus

ASJC Scopus subject areas

  • Internal Medicine
  • Pediatrics, Perinatology, and Child Health
  • Endocrinology, Diabetes and Metabolism

Cite this

Polymorphisms of the TNF-α gene and risk of celiac disease in T1DM children. / Hermann, Csaba; Krikovszky, Dóra; Vásárhelyi, B.; Dezsofi, Antal; Madácsy, L.

In: Pediatric Diabetes, Vol. 8, No. 3, 06.2007, p. 138-141.

Research output: Contribution to journalArticle

Hermann, Csaba ; Krikovszky, Dóra ; Vásárhelyi, B. ; Dezsofi, Antal ; Madácsy, L. / Polymorphisms of the TNF-α gene and risk of celiac disease in T1DM children. In: Pediatric Diabetes. 2007 ; Vol. 8, No. 3. pp. 138-141.
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N2 - Background: Type 1 diabetes mellitus (T1DM) and celiac disease (CD) frequently occur together. Previous reports suggested that the -308A variant of the tumor necrosis factor-α (TNF-α) gene is associated either with T1DM or with CD. The aim of our study was to determine whether -308A and -238A allelic variants of the TNF-α gene might have any impact on the risk of CD in T1DM children. Methods: Three hundred nd one T1DM children were enrolled to the study. The presence of CD was screened with IgA endomysial antibodies (EMA) test. Jejunal biopsy was performed to confirm CD. TNF-α-308 and -238 genetic variants were tested using the method of restriction fragment length polymorphism. Results: The prevalence of CD in the enrolled diabetic children was 6.3% (19 out of 301 children). The frequency of the -308A TNF-α variant was similar in the CD and the non-CD groups, exceeding the Hungarian healthy reference value. The number of -238A allele carriers was higher in the CD (4/19) than in the non-CD group (17/277) (p <0.05). Conclusions: Our study is limited by the small number of CD patients. On the basis of our findings, carriers of TNF -308A allele do not seem to have an increased risk for CD in T1DM. The association between TNF-α -238A allele carrier state and CD requires further investigation.

AB - Background: Type 1 diabetes mellitus (T1DM) and celiac disease (CD) frequently occur together. Previous reports suggested that the -308A variant of the tumor necrosis factor-α (TNF-α) gene is associated either with T1DM or with CD. The aim of our study was to determine whether -308A and -238A allelic variants of the TNF-α gene might have any impact on the risk of CD in T1DM children. Methods: Three hundred nd one T1DM children were enrolled to the study. The presence of CD was screened with IgA endomysial antibodies (EMA) test. Jejunal biopsy was performed to confirm CD. TNF-α-308 and -238 genetic variants were tested using the method of restriction fragment length polymorphism. Results: The prevalence of CD in the enrolled diabetic children was 6.3% (19 out of 301 children). The frequency of the -308A TNF-α variant was similar in the CD and the non-CD groups, exceeding the Hungarian healthy reference value. The number of -238A allele carriers was higher in the CD (4/19) than in the non-CD group (17/277) (p <0.05). Conclusions: Our study is limited by the small number of CD patients. On the basis of our findings, carriers of TNF -308A allele do not seem to have an increased risk for CD in T1DM. The association between TNF-α -238A allele carrier state and CD requires further investigation.

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