1. Lysine pathway metabolites and the risk of type 2 diabetes and cardiovascular disease in the PREDIMED study: results from two case-cohort studies
- Author
-
Cristina Razquin, Miguel Ruiz-Canela, Clary B. Clish, Jun Li, Estefania Toledo, Courtney Dennis, Liming Liang, Albert Salas-Huetos, Kerry A. Pierce, Marta Guasch-Ferré, Dolores Corella, Emilio Ros, Ramon Estruch, Enrique Gómez-Gracia, Montse Fitó, Jose Lapetra, Dora Romaguera, Angel Alonso-Gómez, Lluis Serra-Majem, Jordi Salas-Salvadó, Frank B. Hu, and Miguel A. Martínez-González
- Subjects
Biomarkers ,Metabolites ,Cardiovascular disease ,Type 2 diabetes ,Dietary intervention ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Abstract Background The pandemic of cardiovascular disease (CVD) and type 2 diabetes (T2D) requires the identification of new predictor biomarkers. Biomarkers potentially modifiable with lifestyle changes deserve a special interest. Our aims were to analyze: (a) The associations of lysine, 2-aminoadipic acid (2-AAA) or pipecolic acid with the risk of T2D or CVD in the PREDIMED trial; (b) the effect of the dietary intervention on 1-year changes in these metabolites, and (c) whether the Mediterranean diet (MedDiet) interventions can modify the effects of these metabolites on CVD or T2D risk. Methods Two unstratified case-cohort studies nested within the PREDIMED trial were used. For CVD analyses, we selected 696 non-cases and 221 incident CVD cases; for T2D, we included 610 non-cases and 243 type 2 diabetes incident cases. Metabolites were quantified using liquid chromatography–tandem mass spectrometry, at baseline and after 1-year of intervention. Results In weighted Cox regression models, we found that baseline lysine (HR+1 SD increase = 1.26; 95% CI 1.06–1.51) and 2-AAA (HR+1 SD increase = 1.28; 95% CI 1.05–1.55) were both associated with a higher risk of T2D, but not with CVD. A significant interaction (p = 0.032) between baseline lysine and T2D on the risk of CVD was observed: subjects with prevalent T2D and high levels of lysine exhibited the highest risk of CVD. The intervention with MedDiet did not have a significant effect on 1-year changes of the metabolites. Conclusions Our results provide an independent prospective replication of the association of 2-AAA with future risk of T2D. We show an association of lysine with subsequent CVD risk, which is apparently diabetes-dependent. No evidence of effects of MedDiet intervention on lysine, 2-AAA or pipecolic acid changes was found. Trial registration ISRCTN35739639; registration date: 05/10/2005; recruitment start date 01/10/2003
- Published
- 2019
- Full Text
- View/download PDF