Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.4/807
Título: CARD15 mutations and colorectal cancer in a South European country
Autor: Freire, P
Portela, F
Donato, MM
Figueiredo, M
Amaro, P
Sá, A
Andrade, P
Gouveia, H
Sofia, C
Palavras-chave: Neoplasias Colorrectais
Predisposição Genética para Doença
Proteínas Adaptadoras de Sinalização CARD
Data: 2010
Editora: Springer
Citação: Int J Colorectal Dis. 2010 Oct;25(10):1211-9.
Resumo: PURPOSE: CARD15 mutations are associated with higher susceptibility to Crohn's disease (CD) and longstanding colonic CD increases the risk of developing colorectal cancer (CRC). The relation between these mutations and sporadic CRC remains controversial. The aim of this study was to assess whether germline and/or somatic CARD15 mutations are risk factors for sporadic CRC in Portugal and whether there are genotype-phenotype correlations in these patients. METHODS: The three main CARD15 mutations (R702W, G908R and 3020insC) were researched in 112 sporadic CRC patients and 152 healthy subjects. RESULTS: Overall, CARD15 mutations were found in 18 patients (16.1%) and in 15 controls (9.9%; p = 0.132). Individually, the incidence of R702W was significantly higher in patients than in controls (12.5% vs. 5.3%, p = 0.035), whereas the genotype frequencies for G908R (2.7% vs. 3.3%) and 3020insC (0.9% vs. 1.3%) were not statistically different between the two groups. Entire genotypic agreement was found in patients genotyped for blood and neoplastic DNA. A significantly higher incidence of CARD15 mutations was detected in patients with CRC diagnosed under 60 years old (28.6% vs. 10.4%, p = 0.015) and in female patients (24.4% vs. 10.4%, p = 0.048). No associations were found between CARD15 mutations and family history, symptoms or CRC pathologic characteristics. CONCLUSIONS: The CARD15 R702W variant might be a predisposing factor to sporadic CRC in Portugal, particularly in patients under 60-years old and in female patients. This susceptibility appears to be linked with germline CARD15 mutations. Nevertheless, we have found no evidence that CARD15 mutations predict the pathologic characteristics of CRC.
URI: http://hdl.handle.net/10400.4/807
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