Asian Pacific Journal of Cancer Prevention

  • 제15권11호
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  • Pages.4437-4441
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  • 2014
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  • 1513-7368(pISSN)
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  • 2476-762X(eISSN)
아시아태평양암예방학회 (Asian Pacific Journal of Cancer Prevention)
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Lack of Influence of the SMAD7 Gene rs2337107 Polymorphism on Risk of Colorectal Cancer in an Iranian Population

  • Akbari, Zahra (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Safari-Alighiarloo, Nahid (Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences) ;
  • Haghighi, Mahdi Montazer (Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Vahedi, Mohsen (Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences) ;
  • Mirtalebi, Hanieh (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Azimzadeh, Pedram (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Milanizadeh, Saman (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Shemirani, Atena Irani (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Nazemalhosseini-Mojarad, Ehsan (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Aghdaei, Hamid Asadzadeh (Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Shahid Beheshti University of Medical Sciences) ;
  • Zali, Mohammad Reza (Gastroenterology and Liver Diseases Research Center, Shahid Beheshti University of Medical Sciences)
  • 발행 : 2014.06.15
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초록

SMAD7 has been identified as a functional candidate gene for colorectal cancer (CRC). SMAD7 protein is a known antagonist of the transforming growth factor beta ($TGF-{\beta}$) signaling pathway which is involved in tumorigenesis. Polymorphisms in SMAD7 may thus alter cancer risk. The aim of this study was to investigate the influence of a SMAD7 gene polymorphism (rs2337107) on risk of CRC and clinicopathological features in an Iranian population. In total, 210 subjects including 105 patients with colorectal cancer and 105 healthy controls were recruited in our study. All samples were genotyped by TaqMan assay via an ABI 7500 Real Time PCR System (Applied Biosystems) with DNA from peripheral blood. The polymorphism was statistically analyzed to investigate the relationship with the risk of colorectal cancer and clinicopathological properties. Logistic regression analysis revealed that there was no significant association between rs2337107and the risk of colorectal cancer. In addition, no significant association between genotypes and clinicopathological features was observed (p value>0.05). Although there was not any association between genotypes and disorder, CT was the most common genotype in this population. This genotype prevalence was also higher in the patients with well grade (54.9%) and colon (72.0%) tumors. Our results provide the first evidence that this polymorphism is not a potential contributor to the risk of colorectal cancer and clinicopathological features in an Iranian population, and suggests the need of a large-scale case-control study to validate our results.

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피인용 문헌

  1. Intronic Polymorphisms of the SMAD7 Gene in Association with Colorectal Cancer vol.16, pp.1, 2015, https://doi.org/10.7314/APJCP.2015.16.1.41
  2. Molecular Biomarkers of Colorectal Cancer: A Review of Published Articles From Iran vol.3, pp.3, 2015, https://doi.org/10.17795/acr-30100