Associations of the rs12504538 and rs6824447 Polymorphisms of the Elovl6 Gene with Estimated Elongase and Desaturase Activity and Fatty Acid Concentrations in Mexican Women with Gestational Diabetes Mellitus
Journal Title: Journal of Clinical Medical Research - Year 2024, Vol 5, Issue 3
Abstract
Background: This study aimed to investigate the possible associations of the rs12504538 and rs6824447 polymorphisms of the Elovl6 gene with estimated elongase and desaturase activity and saturated fatty acid concentrations in Mexican women with Gestational Diabetes Mellitus (GDM). Methods: We recruited 172 women in the second and third trimesters of pregnancy who had undergone an oral glucose tolerance test, including 66 who had diagnosed with GDM according to the 2016 ADA criteria and 106 who had normal glucose tolerance test results, from the General Hospital and Health Centers of the Health Ministry of Guanajuato, México. Participants were matched by gestational week. Data on age, gestational week and anthropometric characteristics were collected. Blood samples were drawn after an overnight fast for the measurement of serum glucose, lipid, NEFA, serum fatty acid and insulin levels; SNP genotyping and quantification of fatty acids was performed and elongase and desaturase activity was estimated. Findings: With the exception of HDL-cholesterol, all variables, including NEFA levels, were significantly greater in the GDM group than in the non-GDM group. The rs6824447 polymorphism of the Elovl6 gene, an age >25 years and HOMA-IR levels were associated with the development of GDM (OR=5.1, 95% CI 1.56-17.1, p=0.006; OR=4.89, 95% CI 1.65-14.4, p=0.003; OR=34.1 95% CI 8.7-133, p<0.000001, respectively). Palmitic acid (OR=1.08; 95% CI: 1.06-1.11; p<0.001) and oleic acid (OR=1.17; 95% CI: 1.14-1.2; p<0.001) concentrations were also associated with the development of GDM. No differences in the estimated elongase and desaturase activity among the non-GDM and GDM groups were found and only the activity of Δ9D SCD18 desaturase was marginally high in GDM patients (p=0.050). Conclusion: The rs6824447Elovl6 polymorphism is associated with the development of GDM, as are high serum palmitic acid, oleic acid and stearic acid concentrations and estimated Δ9D SCD18 desaturase activity.
Authors and Affiliations
Manuel A Muñoz-Nava, Martha E Fajardo Araujo, Elva Perez-Luque* , Mónica I Cardona Alvarado, Enrique Ramírez-Chávez, Jorge Molina-Torres
Keywords
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- EP ID EP746762
- DOI https://doi.org/10.46889/JCMR.2024.5304
- Views 2
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