Tumor Necrosis Factor-alpha-308G/A Promoter Polymorphism is Associated with the Severity of Gastric Carcinomas
Journal of the Korean Surgical Society
; : 288-295, 2005.
Article
em Ko
| WPRIM
| ID: wpr-127634
Biblioteca responsável:
WPRO
ABSTRACT
PURPOSE: The pro-inflammatory cytokine, tumor necrosis factor-alpha (TNF-alpha), is a central mediator of the immune response involved in a wide range of immuno-inflammatory and infectious diseases. There is increasing evidence that TNF-alpha may promote the development and spread of the cancer. Polymorphisms in the TNF-alpha promoter have been related to TNF-alpha production. Therefore, we investigated the potential association of TNF-alpha genotypes with gastric cancer in the Korean population. METHODS: The study included 66 patients with gastric adenoma, 75 patients with gastric carcinoma, and 551 healthy controls. The -308 and -238 polymorphisms in the TNF-alpha promoter were analyzed by PCR- restriction fragment length polymorphism (RFLP). Distributions of TNF-alpha promoter polymorphisms were compared between groups by chi2 test. P values smaller than 0.05 were considered to be significant. RESULTS: The proportion of individuals carrying the TNF-alpha -308A allele was higher in the carcinoma group compared to controls and adenomas, but the differences were not significant (P=0.124). However, the TNF-alpha -308A allele was significantly associated with advanced gastric carcinoma (P=0.026), serosa invasion (P=0.004), neural invasion (P= 0.021), and lymph node metastasis (P=0.005). On the other hand, the TNF-alpha -238G/A polymorphism was not associated with the development of gastric adenoma and carcinoma and the severity of gastric carcinoma. CONCLUSION: These results suggest that the TNF-alpha -308A allele is associated with the severity of gastric carcinoma in terms of invasion and metastasis in the Korean population. Therefore, TNF-alpha promoter polymorphism could be used as a predictive marker of the severity of gastric carcinoma.
Palavras-chave
Texto completo:
1
Base de dados:
WPRIM
Assunto principal:
Membrana Serosa
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Neoplasias Gástricas
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Polimorfismo de Fragmento de Restrição
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Adenoma
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Doenças Transmissíveis
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Fator de Necrose Tumoral alfa
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Alelos
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Genótipo
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Mãos
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Linfonodos
Tipo de estudo:
Prognostic_studies
Limite:
Humans
Idioma:
Ko
Revista:
Journal of the Korean Surgical Society
Ano de publicação:
2005
Tipo de documento:
Article