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Objectives <p>This study, for the first time, sought to investigate whether the interaction between the GRS consists of three SNPs (CAV-1, CRY-1, MC4R) and fat intake is associated with inflammatory markers among Iranian overweight and obese women.</p> Methods <p>This cross-sectional study was conducted with 246 overweight and obese women, aged 18–48 years. Three SNPs, including CAV-1 rs3807992, CRY-1 rs2287161, and MC4R rs17782313, were genotyped using PCR-RFLP to calculate the genetic risk score (GRS) for each participant. Dietary fat intake was measured using a validated semi-quantitative food frequency questionnaire (FFQ). C-reactive protein (CRP), interleukin-1β (IL-1β), transforming growth factor-β (TGF-β), monocyte chemoattractant protein-1 (MCP-1), plasminogen activator inhibitor-1 (PAI-1), and Galectin-3 (Gal-3) were assessed as the primary outcomes of the study.</p> Results <p>After controlling for confounding variables, a significant interaction between high total fat intake and high GRS, compared to the reference group, was found for TGF-β level (<i>P</i>-value: 0.028). A significant positive interaction between high GRS and high intakes of SFA intake (<i>P</i>-value: 0.013). A significant interaction between high GRS and high intakes of MUFA, compared to the reference group, was found for ghrelin level (<i>P</i>-value: 0.040) and MCP-1 level (<i>P</i>-value: 0.075). There was a significant interaction between high GRS and intakes of DHA, compared to the reference group, for Gal-3 level (<i>P</i>-value: 0.013) MCP-1 level (<i>P</i>-value: 0.020).</p> Conclusions <p>Consuming different types of fats can influence the interaction between GRS and inflammatory markers, suggesting further research is needed to fully understand this relationship.</p>

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Interaction between 3-SNP genetic risk score and dietary fats intake on inflammatory markers among overweight and obese women

  • 期刊论文

  • 发表日期：

    2025年3月14日

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  • Sahand Tehrani Fateh,
  • Farideh Shiraseb,
  • Mohammad Mahdi Hajinasab,
  • Sahar Noori,
  • Cain C. T. Clark,
  • Khadijeh Mirzaei

摘要

Objectives

This study, for the first time, sought to investigate whether the interaction between the GRS consists of three SNPs (CAV-1, CRY-1, MC4R) and fat intake is associated with inflammatory markers among Iranian overweight and obese women.

Methods

This cross-sectional study was conducted with 246 overweight and obese women, aged 18–48 years. Three SNPs, including CAV-1 rs3807992, CRY-1 rs2287161, and MC4R rs17782313, were genotyped using PCR-RFLP to calculate the genetic risk score (GRS) for each participant. Dietary fat intake was measured using a validated semi-quantitative food frequency questionnaire (FFQ). C-reactive protein (CRP), interleukin-1β (IL-1β), transforming growth factor-β (TGF-β), monocyte chemoattractant protein-1 (MCP-1), plasminogen activator inhibitor-1 (PAI-1), and Galectin-3 (Gal-3) were assessed as the primary outcomes of the study.

Results

After controlling for confounding variables, a significant interaction between high total fat intake and high GRS, compared to the reference group, was found for TGF-β level (P-value: 0.028). A significant positive interaction between high GRS and high intakes of SFA intake (P-value: 0.013). A significant interaction between high GRS and high intakes of MUFA, compared to the reference group, was found for ghrelin level (P-value: 0.040) and MCP-1 level (P-value: 0.075). There was a significant interaction between high GRS and intakes of DHA, compared to the reference group, for Gal-3 level (P-value: 0.013) MCP-1 level (P-value: 0.020).

Conclusions

Consuming different types of fats can influence the interaction between GRS and inflammatory markers, suggesting further research is needed to fully understand this relationship.