期刊
JOURNAL OF HYPERTENSION
卷 36, 期 4, 页码 809-814出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/HJH.0000000000001646
关键词
aging; arterial stiffness; diabetes mellitus; epidemiology; hyperglycemia; Mendelian randomization
资金
- Medical Research Council of Sweden [K2011-65X-20752-04-6]
- Region Skane County Council
- Ernhold Lundstrom Foundation
- European Research Council [StG282255]
- Novo Nordisk Fonden [NNF17OC0026936, NNF13OC0005339, NNF14OC0009819] Funding Source: researchfish
Background:Arterial stiffness is known to be associated with a number of clinical conditions including hypertension, diabetes and dyslipidemia, and may predict cardiovascular events and mortality. However, causal links are hard to establish. Results from genome-wide association studies have identified only a few single nucleotide polymorphisms associated with arterial stiffness, the results have been inconsistent between studies and overlap with other clinical conditions is lacking. Our aim was to investigate a potential shared set of risk single nucleotide polymorphisms between relevant cardiometabolic traits and arterial stiffness.Method:The study population consisted of 2853 individuals (mean age 72 years, 40% men) from the population-based Malmo Diet and Cancer study, Sweden. Carotid-femoral pulse wave velocity, a marker of arterial stiffness, was measured with Sphygmocor. Mendelian randomization analyses were performed using the two-stage least square regression and multivariate inverse-variance weighted methods.Results:There were positive associations between arterial stiffness and genetic risk scores for type 2 diabetes (=0.03, P=0.04) and fasting plasma glucose (=0.03, P=0.03), but not for systolic blood pressure, body mass index, low-density lipoprotein cholesterol, high-density lipoprotein cholesterol or triglycerides. Multivariate inverse-variance weighted methods confirmed the significant positive association for fasting plasma glucose coefficients (P=0.006), but not for type 2 diabetes coefficients (P=0.88).Conclusion:Genetically elevated fasting plasma glucose, but not genetically elevated risk of type 2 diabetes, was associated with arterial stiffness suggesting a causal stiffening effect of glycemia on the arterial wall, independently of type 2 diabetes.
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