期刊
CLINICA CHIMICA ACTA
卷 452, 期 -, 页码 10-17出版社
ELSEVIER
DOI: 10.1016/j.cca.2015.11.001
关键词
GlycA; Glycoproteins; Nuclear magnetic resonance spectroscopy; Systemic inflammation; Type 2 diabetes mellitus
Background: GlycA is a recently developed glycoprotein biomarker of systemic inflammation that may be predictive of incident type 2 diabetes mellitus (T2DM). Methods: Analytical performance of the GlycA test, measured on the Vantera (R) Clinical Analyzer, was evaluated. To test its prospective association with T2DM, GlycA was measured in 4524 individuals from the PREVEND study and a survival analysis was performed with a mean follow-up period of 7.3 y. Results: Imprecision for the GlycA test ranged from 1.3-2.3% and linearity was established between 150 and 1588 mol/l. During the follow-up period, 220 new T2DM cases were ascertained. In analyses adjusted for relevant covariates, GlycA was associated with incident T2DM; hazard ratio (HR) for the highest vs. lowest quartile 1.77 [95% Confidence Interval (CI): 1.10-2.86, P = 0.01], whereas the association of high sensitivity C-reactive protein (hsCRP) with T2DM was not significant. GlycA remained associated with incident T2DM after additional adjustment for hsCRP; HR 1.71 [1.00-2.92, P = 0.04]. A multivariable adjusted analysis of dichotomized subgroups showed that the hazard for incident T2DM was highest in the subgroup with high GlycA and low hsCRP (P = 0.03). Conclusions: The performance characteristics of the GlycA test reveal that it is suitable for clinical applications, including assessment of the risk of future T2DM. (C) 2015 The Authors. Published by Elsevier B.V.
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