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Association of tnf- α-308g>a polymorphism with susceptibility to celiac disease: a systematic review and meta-analysis / Associação do polimorfismo TNF-α -308G>A com susceptibilidade para doença celíaca: uma revisão sistemática e metanálise
Aflatoonian, Majid; Moghimi, Mansour; Akbarian-Bafghi, Mohammad Javad; Morovati-Sharifabad, Majid; Jarahzadeh, Mohammad Hossein; Neamatzadeh, Hossein.
  • Aflatoonian, Majid; Shahid Sadoughi University of Medical Sciences. Department of Pediatrics. Yazd. IR
  • Moghimi, Mansour; Shahid Sadoughi University of Medical Sciences. Department of Pathology. Yazd. IR
  • Akbarian-Bafghi, Mohammad Javad; Bam University of Medical Sciences. Department of Healthcare Management. Bam. IR
  • Morovati-Sharifabad, Majid; Ardakan University. Faculty of Veterinary Medicine. Department of Basic Science. Ardakan. IR
  • Jarahzadeh, Mohammad Hossein; Shahid Sadoughi University of Medical Sciences. Department of Anesthesiology and Critical Care. Yazd. IR
  • Neamatzadeh, Hossein; Shahid Sadoughi University of Medical Sciences. Department of Medical Genetics. Yazd. IR
Arq. gastroenterol ; 56(1): 88-94, Jan.-Mar. 2019. tab, graf
Article in English | LILACS | ID: biblio-1001322
ABSTRACT
ABSTRACT

BACKGROUND:

There is increasing evidence to show that TNF-α -308G>A polymorphism may be a risk factor for celiac disease, but the results are inconsistent.

OBJECTIVE:

Thus, we aimed to perform a meta-analysis involving published studies up to January 2019 to elucidate the association.

METHODS:

To assess the effect of TNF-α -308G>A polymorphism on celiac disease susceptibility, we searched PubMed, ISI Web of Knowledge, Chinese National Knowledge Infrastructure (CNKI) databases to identify eligible studies, without restriction. Summary odds ratios (ORs) and 95% confidence intervals (CIs) were used to evaluate the susceptibility to celiac disease.

RESULTS:

A total of 11 studies with 1147 cases and 1774 controls were selected for this meta-analysis. The pooled results indicated that TNF-α -308G>A polymorphism was associated with increased risk of celiac disease (A vs G OR=2.077, 95% CI=1.468-2.939, P=≤0.001; AA vs GG OR=8.512, 95% CI=3.740-19.373, P=≤0.001; AA+AG vs GG OR=1.869, 95% CI=1.161-3.008, P=0.010; and AA+AG vs GG OR=4.773, 95% CI=3.181-7.162, P≤0.001). Subgroup analysis by ethnicity also revealed significant association in Caucasians. In addition, there was a significant association between TNF-α -308G>A polymorphism and celiac disease risk in Italy, Spain and PCR-FRLP group studies.

CONCLUSION:

Our meta-analysis suggests that the TNF-α -308G>A polymorphism plays an important role in celiac disease susceptibility. However, our results are still needed to strengthen by further studies in different ethnicities and larger sample sizes.
RESUMO
RESUMO

CONTEXTO:

Há evidências crescentes para mostrar que o TNF-α-308G>A polimorfismo pode ser um fator de risco para a doença celíaca, mas os resultados são inconsistentes.

OBJETIVO:

Por isto objetivou-se realizar uma meta-análise envolvendo estudos publicados até janeiro de 2019 para elucidar esta associação.

MÉTODOS:

Para avaliar o efeito do TNF-α-308G>A polimorfismo na suscetibilidade da doença celíaca, pesquisou-se os bancos de dados do PubMed, ISI Web of Knowledge e Chinese National Knowledge Infrastructure (CNKI) para identificar estudos elegíveis, sem restrições. Para avaliar a suscetibilidade à doença celíaca, foram utilizadas os odds ratio sumários (ORs) e os intervalos de confiança de 95% (ICs).

RESULTADOS:

Um total de 11 estudos com 1147 casos e 1774 controles foram selecionados para esta meta-análise. Os resultados agrupados indicaram que o TNF-α-308G>A polimorfismo associou-se ao aumento do risco de doença celíaca (A vs G OR=2,077; 95% IC=1,468-2,939; P=≤0,001; AA vs GG OR=8,512; 95% IC=3,740-19,373; P=≤0,001; AA+AG vs GG OR=1,869; 95% IC=1,161-3,008; P=0,010; e AA+AG vs GG OR=4,773; 95% IC=3,181-7,162; P≤0,001). A análise de subgrupos por etnia também revelou associação significativa em caucasianos. Além, havia uma associação significativa entre o TNF-α-308G>A um polimorfismo e o risco do doença celíaca na Italia, na Espanha e em estudos do grupo do PCR-FRLP.

CONCLUSÃO:

Nossa meta-análise sugere que o TNF-α-308G>A polimorfismo desempenha um papel importante na suscetibilidade da doença celíaca. No entanto, nossos resultados necessitam de mais dados e de serem fortalecidos por outros estudos em diferentes etnias e tamanhos amostrais maiores.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Celiac Disease / Tumor Necrosis Factor-alpha / Genetic Predisposition to Disease / Polymorphism, Single Nucleotide Type of study: Etiology study / Prognostic study / Risk factors / Systematic reviews Limits: Humans Language: English Journal: Arq. gastroenterol Journal subject: Gastroenterology Year: 2019 Type: Article Affiliation country: Iran Institution/Affiliation country: Ardakan University/IR / Bam University of Medical Sciences/IR / Shahid Sadoughi University of Medical Sciences/IR

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Full text: Available Index: LILACS (Americas) Main subject: Celiac Disease / Tumor Necrosis Factor-alpha / Genetic Predisposition to Disease / Polymorphism, Single Nucleotide Type of study: Etiology study / Prognostic study / Risk factors / Systematic reviews Limits: Humans Language: English Journal: Arq. gastroenterol Journal subject: Gastroenterology Year: 2019 Type: Article Affiliation country: Iran Institution/Affiliation country: Ardakan University/IR / Bam University of Medical Sciences/IR / Shahid Sadoughi University of Medical Sciences/IR