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   Interactions Between Caveolin-1 (rs3807992) Polymorphism and Major dietary patterns on Cardio-metabolic Risk Factors Among Obese and Overweight Women    
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  • Faezeh Abaj,
  • Fariba Koohdani,
  • Masoumeh Rafiee,
  • Mir saeed Yekaninejad ,
  • Khadijeh Mirzaei
Faezeh Abaj
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Fariba Koohdani
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Masoumeh Rafiee
Mir saeed Yekaninejad
Khadijeh Mirzaei
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Abstract

Background: Caveolin is a cholesterol-dependent essential component located in caveolae.
Several studies have been shown CAV-1 SNP related to cardio-metabolic parameters in animal
models, however there is few studies in humans. Importantly, there is no study has investigated
the interaction between CAV-1 rs3807992 gene and dietary pattern on CVDs risk factors in Iranian
population.
Methods: The current cross-sectional study was conducted on 404 overweight and obese females
with mean age of 36 years. Dietary intake obtained from FFQ with 147 items. The CAV-1
genotype was measured by the PCR-RFLP method. The anthropometric measurements, serum
lipid profile and inflammatory markers were measured.
Results: There was a significant interaction between CAV-1 rs3807992 and healthy dietary pattern
on HDL (P interaction=0.03), TC/HDL (P interaction=0.03) and hs-CRP (P interaction=0.04); in
A-allele carriers, higher adherence to the healthy dietary pattern was related to higher level of HDL
and lower TC/HDL and hs-CRP. As well as, the significant interactions were observed between
CAV-1 rs3807992 and unhealthy dietary pattern in relation to TG (P interaction = 0.001), AST (P
interaction = 0.01) and MCP-1(P interaction = 0.01); A-allele carriers were more adherence to the
unhealthy dietary pattern to lower levels of TG, AST and MCP-1.
Conclusions: Our study showed that CAV-1 rs3807992 SNP interacts with adherence to unhealthy
or healthy dietary patterns to influence several cardio-metabolic risk factors in obese and
overweight females. Further large prospective studies are warranted to confirm our findings