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Association Between the Interleukin 6 Genotype at Position –174 and Atopic Dermatitis
Gharagozlou, M; Farhadi, E; Khaledi, M; Behniafard, N; Sotoudeh, S; Salari, R; Darabi, B; Fathi, S. M; Mahmoudi, M; Aghamohammadi, A; Amirzargar, A. A; Rezaei, N.
Afiliação
  • Gharagozlou, M; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
  • Farhadi, E; Tehran University of Medical Sciences. Molecular Immunology Research Center. Tehran. Iran
  • Khaledi, M; Tehran University of Medical Sciences. Growth and Development Research Center. Tehran. Iran
  • Behniafard, N; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
  • Sotoudeh, S; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
  • Salari, R; Tehran University of Medical Sciences. Molecular Immunology Research Center. Tehran. Iran
  • Darabi, B; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
  • Fathi, S. M; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
  • Mahmoudi, M; Tehran University of Medical Sciences. Rheumatology Research Center. Tehran. Iran
  • Aghamohammadi, A; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
  • Amirzargar, A. A; Tehran University of Medical Sciences. Molecular Immunology Research Center. Tehran. Iran
  • Rezaei, N; Children's Medical Center. Pediatrics Center of Excellence. Tehran. Iran
J. investig. allergol. clin. immunol ; 23(2): 89-93, mar.-abr. 2013. tab
Artigo em Inglês | IBECS | ID: ibc-111784
Biblioteca responsável: ES1.1
Localização: BNCS
RESUMEN
Antecedentes La dermatitis atópica (DA) es una alteración crónica de la piel de origen desconocido, que habitualmente comienza en la infancia. Diferentes predisposiciones y factores ambientales se asocian a esta enfermedad.

Métodos:

Este estudio se realizó en 89 niños iraníes con DA para evaluar la frecuencia de alelos, genotipos y haplotipos de polimorfismos genéticos simples (SNPs) de la IL6 en las posiciones 174 y nt565 en comparación con 139 controles sanos.

Resultados:

Observamos un incremento significativo del alelo G de la IL6 en la posición –174 en los pacientes con DA comparado con el grupo control (p<0.001, OR=2.82). El genotipo GG de la misma posición se encontró en el 71% de los pacientes frente al 30% en los controles (p<0.001, OR=5.60). También se observa un incremento significativo en el haplotipo GG de la IL6 (-174, nt565) en los pacientes con DA comparados con los controles sanos (p<0.001, OR=2.99).

Conclusiones:

En conclusión observamos un aumento significativo del alelo Gallele y del genotipo GG en la posición -174 de la IL6 en pacientes con DA, lo que podría sugerir un aumento de la producción de esta citocina en los pacientes con DA (AU)
ABSTRACT

Background:

Atopic dermatitis (AD) is a chronic skin disorder of unknown origin that usually manifests for the first time in early infancy. Different types of genetic predisposition and environmental factors seem to be associated with the disease.

Methods:

This study was performed to evaluate the frequency of alleles, genotypes, and haplotypes of interleukin (IL) 6 single-nucleotide polymorphisms (SNPs) at positions –174 and nt565 in 89 Iranian children with AD and 139 healthy controls.

Results:

The G allele was significantly more frequent at position –174 in IL6 in atopic patients than in the healthy controls (P<.001; OR, 2.82). Genotype GG was found at the same position in 71% of the patients; this frequency was significantly higher than the frequency of 30% recorded in the controls (P<.001; OR, 5.60). The GG haplotype of IL6 (–174, nt565) was significantly more frequent in the atopic patients than in the healthy controls (P<.001; OR, 2.99).

Conclusions:

A significant increase in the frequency of the G allele and GG genotype at position –174 of IL6 was found in patients with AD, thus suggesting that production of this cytokine is greater in atopic patients (AU)
Assuntos
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Coleções: Bases de dados nacionais / Espanha Base de dados: IBECS Assunto principal: Interleucina-6 / Dermatite Atópica / Técnicas de Genotipagem Tipo de estudo: Fatores de risco Limite: Humanos Idioma: Inglês Revista: J. investig. allergol. clin. immunol Ano de publicação: 2013 Tipo de documento: Artigo Instituição/País de afiliação: Children's Medical Center/Iran / Tehran University of Medical Sciences/Iran
Buscar no Google
Coleções: Bases de dados nacionais / Espanha Base de dados: IBECS Assunto principal: Interleucina-6 / Dermatite Atópica / Técnicas de Genotipagem Tipo de estudo: Fatores de risco Limite: Humanos Idioma: Inglês Revista: J. investig. allergol. clin. immunol Ano de publicação: 2013 Tipo de documento: Artigo Instituição/País de afiliação: Children's Medical Center/Iran / Tehran University of Medical Sciences/Iran
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