Mariangela Rubino, Mattia Massimino, Elettra Mancuso, Carolina Averta, Angela Palummo, Maria Perticone, Elena Succurro, Angela Sciacqua, Gaia Chiara Mannino, Francesco Andreozzi
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引用次数: 0
Abstract
Background: The uric acid-to-HDL cholesterol ratio (UHR) is a promising non-insulin-based marker for metabolic risk, associated with type 2 diabetes, hypertension, hepatic steatosis, and cardiovascular disease. However, its utility in individuals with altered glucose tolerance remains unclear.
Methods: We investigated the relationship between UHR and insulin sensitivity in two independent cohorts. Sample 1 (n = 1555) from the CATAMERI study, was stratified based on oral glucose tolerance test (OGTT) results, and Sample 2 (n = 332) from the EUGENE2 project, with insulin sensitivity measured via euglycemic-hyperinsulinemic clamp.
Results: In Sample 1, UHR showed positive correlations with BMI, triglycerides, 2-hour plasma glucose, HOMA-IR, fasting plasma insulin (p < 0.0001 for all) and with HbA1c (p < 0.001), and negative correlations with Matsuda index (p < 0.0001) and total cholesterol (p = 0.019). Multivariable linear regression identified HOMA-IR (β = 0.100), Matsuda index (β=-0.146), InsAUC30/GluAUC30 (β = 0.120), and Stumvoll 1st-phase insulin secretion (β = 0.121) as independent UHR predictors. In Sample 2, bivariate analyses, adjusted for age, sex, and BMI, confirmed positive correlations between UHR and HbA1c (p < 0.001), 2-hour post-load glucose (p = 0.001), BMI, triglycerides, and fasting insulin (p < 0.0001 for all) and a negative correlation with Clamp M (glucose disposal, p = 0.0003). Finally, multivariable regression of Clamp M variability (adjusted for age, sex, and BMI) demonstrated significant negative associations with UHR (β= -0.230) and BMI (β= -0.375).
Conclusion: These findings suggest that UHR, derived easily and inexpensively from routine clinical measurements, is a promising indicator of metabolic risk in individuals without diabetes. Its accessibility positions it as a potential tool for early diabetes prevention strategies, potentially reducing reliance on the OGTT.
期刊介绍：
Acta Diabetologica is a journal that publishes reports of experimental and clinical research on diabetes mellitus and related metabolic diseases. Original contributions on biochemical, physiological, pathophysiological and clinical aspects of research on diabetes and metabolic diseases are welcome. Reports are published in the form of original articles, short communications and letters to the editor. Invited reviews and editorials are also published. A Methodology forum, which publishes contributions on methodological aspects of diabetes in vivo and in vitro, is also available. The Editor-in-chief will be pleased to consider articles describing new techniques (e.g., new transplantation methods, metabolic models), of innovative importance in the field of diabetes/metabolism. Finally, workshop reports are also welcome in Acta Diabetologica.
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