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Interactions between Vitamin D Genetic Risk and Dietary Factors on Metabolic Disease-Related Outcomes in Ghanaian Adults
Alathari, Buthaina E. Nyakotey, David Bawah, Abdul-Malik Lovegrove, Julie A. Annan, Reginald A. Ellahi, Basma Vimaleswaran, Karani S.
Alathari, Buthaina E.
Nyakotey, David
Bawah, Abdul-Malik
Lovegrove, Julie A.
Annan, Reginald A.
Ellahi, Basma
Vimaleswaran, Karani S.
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2022-07-04
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Abstract
The Ghanaian population is experiencing an upsurge in obesity and type 2 diabetes (T2D) due to rapid urbanization. Besides dietary factors, vitamin D-related genetic determinants have also been shown to contribute to the development of obesity and T2D. Hence, we aimed to examine the interactions between dietary factors and vitamin D-related genetic variants on obesity and T2D related outcomes in a Ghanaian population. Three hundred and two healthy Ghanaian adults (25–60 years old) from Oforikrom, Municipality in Kumasi, Ghana were randomly recruited and had genetic tests, dietary consumption analysis, and anthropometric and biochemical measurements of glucose, HbA1c, insulin, cholesterol, and triglycerides taken. A significant interaction was identified between vitamin D-GRS and fiber intake (g/day) on BMI (pinteraction = 0.020) where those who were consuming low fiber (≤16.19 g/d) and carrying more than two risk alleles for vitamin D deficiency (p = 0.01) had a significantly higher BMI. In addition, an interaction between vitamin D-GRS and fat intake (g/day) on HbA1c (total fat, pinteraction = 0.029) was found, where participants who had a lower total fat intake (≤36.5 g/d), despite carrying more than two risk alleles, had significantly lower HbA1c (p = 0.049). In summary, our study has identified novel gene–diet interactions of vitamin D-GRS with dietary fiber and fat intakes on metabolic traits in Ghanaian adults.
Citation
Alathari, B. E., Nyakotey, D. A., Bawah, A-M., Lovegrove, J. A., Annan, R. A., Ellahi, B., & Vimaleswaran, K. S. (2022). Interactions between Vitamin D genetic risk and dietary factors on metabolic disease-related outcomes in Ghanaian adults. Nutrients, 14(13), 2763. https://doi.org/10.3390/nu14132763
Publisher
MDPI
Journal
Nutrients
Research Unit
DOI
10.3390/nu14132763
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PubMed Central ID
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Article
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EISSN
2072-6643