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Investigación

ExPEC-TEEN

Prenatal Exposure to Environmental Pollutants and Metabolic and Cardiovascular Health of the Teenagers

Proyecto ExPEC-TEEN
Foto: Gaelle Marcel / Unsplash
Duración
13/11/2019 - 13/07/2023
Coordinador
Charline Warembourg
Financiadores
ANSES (Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail, France)

Aim

The general objective of ExPEC-TEEN is to study the effect of early-life exposure to environmental contaminants, especially chemicals with endocrine-disrupting activities (EDCs), on metabolic and cardiovascular outcomes in adolescents.

Challenges

ExPEC-TEEN will go beyond the limitations of previous studies and fill the current gaps by:

  • improving the phenotype characterization;
  • following children longitudinally from in utero life period until adolescence; and
  • taking into account a wide range of EDCs during pregnancy.

Methods

The program of ExPEC-TEEN aims at conducting a new and harmonized follow-up of the participants enrolled in the PELAGIE (France) and INMA-Sabadell (Spain) cohorts, at the teen ages.

The protocol will include a clinical examination of the child at 15-17 years for anthropometric and cardiovascular measurements, and a fasting blood sample collection. More specifically, metabolic health of the adolescent will be assessed by anthropometric measures and biological markers of dyslipidaemia, insulin resistance, and transaminases, and cardiovascular health will be assessed using a classical measure of blood pressure and novel markers characterizing arterial stiffness and microcirculation through the measure of the pulse wave velocity and the diameter of the retinal vessels.

Advanced statistical methods will be used to evaluate the simultaneous effect of prenatal exposure to a wide range of chemicals.

Impact

Benefiting from the longitudinal collection of health and environmental data from the perinatal period in the PELAGIE and INMA-Sabadell cohorts, the project will provide important findings for public health with potential recommendations for health promotion and for disease prevention strategies.

A more exhaustive evaluation of cardiometabolic outcomes in adolescence would allow a better understanding of the early age processes most affected by environmental factors. Furthermore, the study of a wide range of chemicals would improve knowledge on the health effects of low-dose and mixture of exposure to EDCs.

Funding

Total: 199,864 €

ISGlobal: 67,447 €

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