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Sökning: WFRF:(Naccarati Alessio) > (2013)

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1.
  • Bamia, Christina, et al. (författare)
  • Mediterranean diet and colorectal cancer risk: results from a European cohort
  • 2013
  • Ingår i: European Journal of Epidemiology. - Dordrecht : Springer Science and Business Media LLC. - 1573-7284 .- 0393-2990. ; 28:4, s. 317-328
  • Tidskriftsartikel (refereegranskat)abstract
    • The authors investigated the association of adherence to Mediterranean diet with colorectal cancer (CRC) risk in the European Prospective Investigation into Cancer and nutrition study. Adherence to Mediterranean diet was expressed through two 10-unit scales, the Modified Mediterranean diet score (MMDS) and the Centre-Specific MMDS (CSMMDS). Both scales share the same dietary components but differ in the cut-off values that were used for these components in the construction of the scales. Adjusted hazard ratios (HR) for the associations of these scales with CRC incidence were estimated. After 5,296,617 person-years of follow-up, 4,355 incident CRC cases were identified. A decreased risk of CRC, of 8 and 11 % was estimated when comparing the highest (scores 6-9) with the lowest (scores 0-3) adherence to CSMMDS and MMDS respectively. For MMDS the HR was 0.89 (95 % confidence interval (CI): 0.80, 0.99). A 2-unit increment in either Mediterranean scale was associated with a borderline statistically significant 3 to 4 % reduction in CRC risk (HR for MMDS: 0.96; 95 % CI: 0.92, 1.00). These associations were somewhat more evident, among women, were mainly manifested for colon cancer risk and their magnitude was not altered when alcohol was excluded from MMDS. These findings suggest that following a Mediterranean diet may have a modest beneficial effect on CRC risk.
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2.
  • Lu, Shun, et al. (författare)
  • Genetic variants in C-type lectin genes are associated with colorectal cancer susceptibility and clinical outcome
  • 2013
  • Ingår i: International Journal of Cancer. - : Wiley. - 0020-7136. ; 133:10, s. 2325-2333
  • Tidskriftsartikel (refereegranskat)abstract
    • Inflammatory responses play a vital role at different stages of colorectal carcinogenesis. C-type lectins mediate inflammatory/immune responses and participate in immune escape of pathogens and tumors. Our study aimed to evaluate the correlation between polymorphisms in three C-type lectin genes, CD209, MBL2 and REG4, and colorectal cancer (CRC) risk and clinical outcome. We genotyped 15 potentially functional single nucleotide polymorphisms (SNPs) and assessed their associations with CRC risk in a case-control study of 1353 CRC cases and 767 healthy controls from the Czech Republic. We also analyzed these SNPs in relation to overall and event-free survival in 414 patients. Two CD209 SNPs were associated with CRC risk after adjustment for multiple comparison. Minor allele carriers of the promoter SNP rs2287886 had an increased risk of CRC (OR 1.30, 95% CI 1.08-1.56), while minor allele carriers of the 3UTR SNP, rs7248637, had a decreased risk (OR 0.74, 95% CI 0.60-0.91). Multivariate survival analyses, including age, gender, TNM stage and grade, showed that patients without distant metastasis at the time of diagnosis and carrying the rs2994809 T allele had a decreased overall and event-free survival (HR 2.11, 95% CI 1.20-3.72 and HR 2.00, 95% CI 1.18-3.39, respectively). We show that SNPs in CD209 may affect CRC risk, while a SNP in REG4 may be a useful marker for CRC progression. What's new? The identification of new risk and prognostic biomarkers brings the prospect of individualized medicine ever closer. That promise is illustrated here, with the discovery of novel genetic variants in three C-type lectin genes, CD209, MBL2, and REG4, which previously have been implicated in colorectal carcinogenesis and prognosis. Genotyping of 15 C-type lectin single nucleotide polymorphisms uncovered a total of 34 variants in regulatory and coding regions of the three genes. Variants in two of the genes, CD209 and REG4, were linked to colorectal cancer risk and prognosis, respectively, suggesting that they may be of clinical value.
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