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1647-P: High Serum YKL-40 Concentration Is Associated with One-Hour Post-Load Hyperglycemia

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Objective: Postprandial hyperglycemia is associated with oxidative stress and low-grade inflammation, which is involved in the pathogenesis of cardiovascular disease. The aim of this study was to examine whether post-load… Click to show full abstract

Objective: Postprandial hyperglycemia is associated with oxidative stress and low-grade inflammation, which is involved in the pathogenesis of cardiovascular disease. The aim of this study was to examine whether post-load plasma glucose during oral glucose tolerance tests (OGTT) affect inflammatory biomarkers in nondiabetic subjects. Methods: We recruited 322 nondiabetic Japanese subjects including 252 with a normal glucose tolerance (NGT) and 70 with an impaired glucose tolerance (IGT). All subjects underwent OGTT and measurement of several inflammatory biomarkers. Results: No significant differences were observed in white blood cell counts, high-sensitive CRP, high-mobility group box 1 protein (HMGB1) or S100A8/A9 levels between NGT subjects with 1-h post-load plasma glucose (1h-PG) Conclusions: In nondiabetic subjects, serum YKL-40 levels correlated positively with post-load plasma glucose levels. YKL-40 is produced by several cell types such as activated macrophages, vascular smooth muscle and endothelial cells, and plays an important role in the innate immune response, angiogenesis and remodeling of extracellular matrix. Elevated YKL-40 levels related to postprandial hyperglycemia may contribute to the progression of atherosclerosis and cardiovascular events. Disclosure Y. Ikeda: None. N. Hisakawa: None. H. Takata: None. T. Ohguro: None. J. Nishiuchi: None. Y. Kumon: None.

Keywords: hyperglycemia; none; serum ykl; post load; load

Journal Title: Diabetes
Year Published: 2019

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