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Metabolomics

, Volume 11, Issue 4, pp 797–806 | Cite as

An NMR metabolomics approach reveals a combined-biomarkers model in a wine interventional trial with validation in free-living individuals of the PREDIMED study

  • Rosa Vázquez-Fresno
  • Rafael LlorachEmail author
  • Mireia Urpi-Sarda
  • Olha Khymenets
  • Mònica Bulló
  • Dolores Corella
  • Montserrat Fitó
  • Miguel Angel Martínez-González
  • Ramon Estruch
  • Cristina Andres-LacuevaEmail author
Original Article

Abstract

The development of robust biomarkers of consumption would improve the classification of participants with regard to their dietary exposure. In addition, validation of them in free-living individuals remains an important challenge. The aim of this study is to assess wine intake biomarkers using an NMR metabolomic approach to measure the utility of these biomarkers in a wine interventional study (WIS, n = 56) and also to evaluate them in a free-living individuals (PREDIMED study, n = 91). Nine metabolites showed a significantly higher presence in urinary excretion in WIS after wine intake: five food metabolome metabolites (tartrate, ethyl glucuronide [EtG], 2,3-butanediol, mannitol, and ethanol); one related to the endogenous response to wine exposure (3-methyl-2-oxovalerate) and three unidentified compounds. Receiver operating characteristic (ROC) curve for each single metabolite were evaluated and exhibited areas under the curves (AUC) between 67.4 and 86.3 % when they were evaluated individually. Then, a logistic regression model was fitted to generate a combined-biomarkers model using these metabolites. The model generated which included tartrate-EtG, showed an AUC of 90.7 % in WIS. Similarly, the AUC in the PREDIMED study was 92.4 %. Results showed that a model combining tartrate-EtG is more useful for evaluating exposure to wine than single biomarkers, both in interventional studies and epidemiological data. To our knowledge, this is the first time that a combined-biomarker model using an NMR platform in wine biomarkers’ research has been generated and reproduced in a free-living population.

Keywords

Biomarkers Nutrimetabolomics NMR Wine Interventional study Cohort study 

Abbreviations

AUC

Area under the curve

CI

Confidence interval

COSY

Correlation spectroscopy

d

Doublet

EtG

Ethyl glucuronide

FFQ

Food frequency questionnaires

FM

Food metabolome

IQR

Interquartile range

J

J-coupling

m

Multiplet

ROC

Receiver operating characteristic

s

Singlet

t

Triplet

U

Unassigned compound

WIS

Wine interventional study

Notes

Acknowledgments

Supported by the Spanish National Grants from Ministry of Economy and Competitiveness (MINECO) and cofounded by FEDER (Fondo Europeo de Desarrollo Regional): AGL2006-14228-C03-02/ALI, AGL2009-13906-C02-01, AGL2010-10084-E, the CONSOLIDER INGENIO 2010 Programme, FUN-C-FOOD (CSD2007-063), CIberOBN, as well as PI13/01172 Project, (Plan N de I+D+i 2013-2016) by ISCII-Subdirección General de Evaluación y Fomento de la Investigación. We also thank the award of 2014SGR1566 from the Generalitat de Catalunya’s Agency AGAUR. R.V.-F, O.K, M.U.-S and R. Ll. would like to thank the FPI fellowship, the “Juan de la Cierva” and the “Ramon y Cajal” programmes of the Spanish Government and the Fondo Social Europeo. We thank the participants for their collaboration in the study.

Conflict of interest

All the authors declare no competing financial interest.

Compliance with ethical requirements

WIS study. The study received the ethical approval Institutional Review Board of the Hospital Clinic of Barcelona. All participants had signed an informed consent. This trial has been registered in the Current Controlled Trials in London, International Standard Randomized Controlled Trial Number (ISRCTN88720134).

PREDIMED study. The trial protocol was conducted according to the Declaration of Helsinki and was approved by the institutional review boards of all the centres involved. All participants had signed an informed consent. This trial has been registered in the Current Controlled Trials in London, International Standard Randomized Controlled Trial Number (ISRCTN35739639).

Supplementary material

11306_2014_735_MOESM1_ESM.docx (25 kb)
Supplementary material 1 (DOCX 24 kb)

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Rosa Vázquez-Fresno
    • 1
    • 2
  • Rafael Llorach
    • 1
    • 2
    Email author
  • Mireia Urpi-Sarda
    • 1
    • 2
  • Olha Khymenets
    • 1
    • 2
  • Mònica Bulló
    • 3
    • 4
  • Dolores Corella
    • 4
    • 5
  • Montserrat Fitó
    • 4
    • 6
  • Miguel Angel Martínez-González
    • 4
    • 7
  • Ramon Estruch
    • 4
    • 8
  • Cristina Andres-Lacueva
    • 1
    • 2
    Email author
  1. 1.Biomarkers and Nutrimetabolomic Lab. Nutrition and Food Science Department, XaRTA, INSA, Torribera Campus, Pharmacy FacultyUniversity of BarcelonaBarcelonaSpain
  2. 2.INGENIO-CONSOLIDER Program, Fun-C-Food CSD2007-063Ministry of Science and InnovationBarcelonaSpain
  3. 3.Human Nutrition Unit, Biochemistry and Biotechnology Department and Hospital Universitari de Sant Joan de Reus, Institut d‘Investigació Sanitària Pere VirgiliUniversitat Rovira I VirgiliReusSpain
  4. 4.CIBER Fisiopatologia de la Obesidad y Nutrición (CIBERobn)Instituto de Salud Carlos IIIMadridSpain
  5. 5.Department of Preventive Medicine and Public HealthUniversity of ValenciaValenciaSpain
  6. 6.Cardiovascular Epidemiology UnitMunicipal Institute for Medical Research (IMIM)BarcelonaSpain
  7. 7.Department of Preventive Medicine and Public HealthUniversity of NavarraPamplonaSpain
  8. 8.Department of Internal Medicine, Hospital ClinicInstitut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS)BarcelonaSpain

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