1Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
2Nutritional Sciences Research Center, Iran University of Medical Sciences, Tehran, Iran
3Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
4Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
5School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
6Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Molecular Biology, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
7Center for Applied Genomics, The Children’s Hospital of Philadelphia, Abramson Research Building, Suite 1016I, 3615 Civic Center Boulevard, Philadelphia, PA, 19104-4318, USA
8Data Science and AI Applications, Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, Douliu, Taiwan
9School of Medicine, Arak University of Medical Sciences, Arak, Iran
10Student Research Committee, Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran
11Department of Biostatistics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
12Nutrition and Endocrine Research Center, Research Institute for Endocrine Disorders, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
13Lung Transplantation Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
14Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
15Division of Human Genetics, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
16Endocrine Research Center, Research Institute for Endocrine Disorders, Research Institute for Endocrine Sciaences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
17Epidemiology and Biostatistics Department, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
چکیده
Background: Monounsaturated fatty acids (MUFAs) are dietary and circulating fats that may influence cardiovascular health. However, their causal role in cardiovascular diseases (CVDs) remains unclear due to conflicting observational evidence. This study aimed to determine the causal relationship of high serum MUFAs with the risk of various CVDs using the Mendelian randomization (MR) design. Methods: The summary statistics dataset related to serum MUFAs was used from the published genome-wide association study (GWAS) of European descent in UK Biobank participants (n=114,999). Genetic variants underlying angina, atherosclerotic, ischemic heart disease (IHD), myocardial infarction (MI), and hypertension events were ascertained using a GWAS dataset of 461,880 (case=14,828, control=447,052), 463,010 (case=12,171, control=450,839), 361,194 (case=20,857, control=340,337), 462,933 (case=10,616, control=452,317), and 461,880 (case=124,227, control=337,653) European descent participants from the UK Biobank, respectively. We investigated potential association relationships between MUFAs and these outcomes using generalized summary Mendelian randomization (GSMR) and two-sample Mendelian randomization (TSMR). TSMR was employed to validate associations identified by GSMR. The results were reported as odds ratios (ORs) with 95% confidence intervals (CIs). Results: GSMR results showed that MUFAs were associated with angina (OR=1.007, 95%CI:1.005–1.009; P<0.001), atherosclerotic (OR=1.006, 95%CI:1.004–1.008; P<0.001), IHD (OR=1.006, 95%CI:1.003–1.009; P<0.001), MI (OR=1.003, 95%CI:1.001–1.005; P<0.001), and hypertension (OR=1.003, 95%CI:0.998–1.008; P<0.001). Besides, TSMR results indicated that MUFAs were associated with angina (OR=1.012, 95%CI:1.010–1.015), atherosclerotic (OR=1.009, 95%CI:1.006–1.011; P<0.001), IHD (OR=1.015, 95%CI:1.010–1.019; P<0.001), MI (OR=1.007, 95%CI:1.004–1.009; P<0.001), and hypertension (OR=1.021, 95%CI:1.011–1.031; P<0.001). These findings remained consistent when utilizing different MR methods and sensitivity analyses. Conclusion: The current MR study indicated that higher levels of MUFAs might be associated with an increased risk of CVD events.
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