Abstract
Omentin-1 is an adipokine implicated in diabetes, inflammation, and cardiovascular disease. However, no prospective studies have examined the impact of circulating omentin-1 levels on arterial stiffening in patients with type 2 diabetes mellitus. For the purpose of this study, we recruited 120 patients with type 2 diabetes mellitus and measured serum omentin-1, adiponectin, and high-sensitivity C-reactive protein levels as well as other cardiovascular risk factors. Arterial stiffness was assessed by brachial ankle pulse wave velocity (baPWV). An increase in the level of circulating omentin-1 over a period of 1 year was positively correlated with changes in levels of HbA1c and serum adiponectin as well as baPWV. Subjects with higher baseline serum omentin-1 levels tended to have a reduced arterial stiffness after 1 year (P for linear trend = 0.03). In the group with increased baPWV after 1 year, the magnitude of increase of circulating omentin-1 levels was significantly higher than in the group with a lower baPWV after 1 year (134.3 [16.6, 277.1] ng/mL vs. 15.9 [−67.6, 145.7] ng/mL, P < 0.01). Multiple stepwise logistic regression analysis revealed that an increase in systolic blood pressure and an increase in serum omentin-1 level were independently correlated with arterial stiffening, even after adjusting for other cardiovascular risk factors and medication history. Baseline serum omentin-1 levels can predict arterial stiffness changes occurring within a year. Furthermore, changes in serum omentin-1 levels after a year can function as independent markers of arterial stiffening in patients with type 2 diabetes mellitus.
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Acknowledgments
Dr. S. H. Baik and Dr. K. M. Choi were supported by the Brain Korea 21 Project of the Ministry of Education and Human Resources Development, Republic of Korea (A102065-1011-1070100). Dr. K. M. Choi received support from the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2012006363). Dr. H. J. Yoo was also supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2012R1A1A1005257) and by a Korea University grant (K0933131).
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All participants provided written informed consent, and the Korea University Institutional Review Board, in accordance with the principles contained in the Declaration of Helsinki of the World Medical Association, approved the study protocol.
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Yoo, H.J., Hwang, S.Y., Hong, H.C. et al. Implication of circulating omentin-1 level on the arterial stiffening in type 2 diabetes mellitus. Endocrine 44, 680–687 (2013). https://doi.org/10.1007/s12020-013-9930-1
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DOI: https://doi.org/10.1007/s12020-013-9930-1