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The Effects of Fto Gene Rs9939609 Polymorphism on the Association Between Colorectal Cancer and Dietary Intake Publisher



Gholamalizadeh M1 ; Jonoush M2 ; Mobarakeh KA3 ; Amjadi A4 ; Alami F5 ; Valisoltani N6 ; Askarpour SA7 ; Azizitabesh G8 ; Mohammadian MK9 ; Akbari ME1 ; Rajabibazl M10 ; Alemrajabi M11 ; Poodineh J12 ; Sadeghi H8 Show All Authors
Authors
  1. Gholamalizadeh M1
  2. Jonoush M2
  3. Mobarakeh KA3
  4. Amjadi A4
  5. Alami F5
  6. Valisoltani N6
  7. Askarpour SA7
  8. Azizitabesh G8
  9. Mohammadian MK9
  10. Akbari ME1
  11. Rajabibazl M10
  12. Alemrajabi M11
  13. Poodineh J12
  14. Sadeghi H8
  15. Hosseinzadeh P13
  16. Dahka SM14
  17. Badeli M15
  18. Jarrahi SAM16
  19. Doaei S17

Source: Frontiers in Nutrition Published:2023


Abstract

Background: FTO gene is associated with obesity, dietary intake, and the risk of colorectal cancer (CRC). In this study, patients with colorectal cancer were assessed for the interactions between FTO gene polymorphisms and dietary intake. Methods: This case–control study was carried out on 450 participants aged 35–70 years including 150 patients with colorectal cancer and 300 healthy controls. Blood samples were collected in order to extract DNA and genotyping of FTO gene for rs9939609 polymorphism. A validated 168-item food frequency questionnaire (FFQ) and the Nutritionist-IV software were used to assess dietary intake. Results: In the participants with the TT genotype of FTO rs9939609 polymorphism, CRC risk was significantly associated with higher intake of dietary fat (OR:1.87 CI95%:1.76–1.99, p = 0.04), vitamin B3 (OR:1.20 CI95%:1.08–1.65, p = 0.04), and vitamin C (OR:1.06 CI95%:1.03–1.15, p = 0.04) and lower intake of β-carotene (OR:0.98 CI95%:0.97–0.99, p = 0.03), vitamin E (OR:0.77 CI95%:0.62–0.95, p = 0.02), vitamin B1 (OR:0.15 CI95%:0.04–0.50, p < 0.01), and biotin (OR:0.72 CI95%:0.0.57–0.92, p = 0.01). No significant association was found between CRC and dietary intake in carriers of AA/AT genotypes after adjustments for the confounders. Conclusion: CRC risk may be decreased by β-carotene, vitamins E, B1, and biotin only in those without the risk allele of the FTO gene. The association of CRC and diet may be influenced by FTO genotype. Further studies are warranted. Copyright © 2023 Gholamalizadeh, Jonoush, Mobarakeh, Amjadi, Alami, Valisoltani, Askarpour, Azizi-Tabesh, Mohammadian, Akbari, Rajabibazl, Alemrajabi, Poodineh, Sadeghi, Hosseinzadeh, Dahka, Badeli, Jarrahi and Doaei.
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