Outdoor air pollution and hormone-assessed pubertal development in children: Results from the GINIplus and LISA birth cohorts.


Journal

Environment international
ISSN: 1873-6750
Titre abrégé: Environ Int
Pays: Netherlands
ID NLM: 7807270

Informations de publication

Date de publication:
07 2021
Historique:
received: 12 11 2020
revised: 31 01 2021
accepted: 17 02 2021
pubmed: 14 3 2021
medline: 27 4 2021
entrez: 13 3 2021
Statut: ppublish

Résumé

Air pollution is hypothesized to affect pubertal development. However, the few studies on this topic yielded overall mixed results. These studies did not consider important pollutants like ozone, and none of them involved pubertal development assessed by estradiol and testosterone measurements. We aimed to analyze associations between long-term exposure to four pollutants and pubertal development based on sex hormone concentrations among 10-year-old children. These cross-sectional analyses were based on the 10-year follow-up medical examinations of 1945 children from the Munich and Wesel centers of the GINIplus and LISA German birth cohorts. Female and male pubertal development was assessed by dichotomizing the concentration of hormones in serum at 18.4 pmol/L and 0.087 nmol/L using the lower limits of quantification for estradiol and testosterone, respectively. Land-use regression models derived annual average concentrations of particulate matter with an aerodynamic diameter < 2.5 and 10 µm (PM Around 73% of the 943 females and 25% of the 1002 males had a high level of hormones and had already started puberty at the age of 10. Overall, we found no statistically significant associations between exposure to particles (PM Our study did not observe the associations between ambient air pollutants and pubertal development determined by estradiol and testosterone levels in children. However, due to the current limited number of studies on this topic, our results should be cautiously interpreted. Future longitudinal studies are needed to assess the association.

Sections du résumé

BACKGROUND
Air pollution is hypothesized to affect pubertal development. However, the few studies on this topic yielded overall mixed results. These studies did not consider important pollutants like ozone, and none of them involved pubertal development assessed by estradiol and testosterone measurements. We aimed to analyze associations between long-term exposure to four pollutants and pubertal development based on sex hormone concentrations among 10-year-old children.
METHODS
These cross-sectional analyses were based on the 10-year follow-up medical examinations of 1945 children from the Munich and Wesel centers of the GINIplus and LISA German birth cohorts. Female and male pubertal development was assessed by dichotomizing the concentration of hormones in serum at 18.4 pmol/L and 0.087 nmol/L using the lower limits of quantification for estradiol and testosterone, respectively. Land-use regression models derived annual average concentrations of particulate matter with an aerodynamic diameter < 2.5 and 10 µm (PM
RESULTS
Around 73% of the 943 females and 25% of the 1002 males had a high level of hormones and had already started puberty at the age of 10. Overall, we found no statistically significant associations between exposure to particles (PM
CONCLUSIONS
Our study did not observe the associations between ambient air pollutants and pubertal development determined by estradiol and testosterone levels in children. However, due to the current limited number of studies on this topic, our results should be cautiously interpreted. Future longitudinal studies are needed to assess the association.

Identifiants

pubmed: 33714142
pii: S0160-4120(21)00101-X
doi: 10.1016/j.envint.2021.106476
pii:
doi:

Substances chimiques

Air Pollutants 0
Hormones 0
Particulate Matter 0
Nitrogen Dioxide S7G510RUBH

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

106476

Informations de copyright

Copyright © 2021. Published by Elsevier Ltd.

Auteurs

Tianyu Zhao (T)

Institute and Clinic for Occupational, Social and Environmental Medicine, LMU University Hospital Munich, Comprehensive Pneumology Center (CPC) Munich, member, German Center for Lung Research (DZL), Munich, Germany; Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany; Department of Applied Social Sciences, Munich University of Applied Sciences, Munich, Germany.

Kai Triebner (K)

Department of Clinical Science, University of Bergen, Bergen, Norway; Core Facility for Metabolomics, University of Bergen, Bergen, Norway.

Iana Markevych (I)

Institute and Clinic for Occupational, Social and Environmental Medicine, LMU University Hospital Munich, Comprehensive Pneumology Center (CPC) Munich, member, German Center for Lung Research (DZL), Munich, Germany; Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany; Institute of Psychology, Jagiellonian University, Krakow, Poland.

Marie Standl (M)

Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.

Hicran Altug (H)

IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany.

Kees de Hoogh (K)

Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.

Tamara Schikowski (T)

IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany.

Dietrich Berdel (D)

Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany.

Sibylle Koletzko (S)

Department of Pediatrics, Dr. von Hauner Children's Hospital Munich, University Hospital, LMU Munich, Munich, Germany; Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, Olsztyn, Poland.

Carl-Peter Bauer (CP)

Department of Pediatrics, Technical University of Munich, Munich, Germany.

Andrea von Berg (A)

Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany.

Dennis Nowak (D)

Institute and Clinic for Occupational, Social and Environmental Medicine, LMU University Hospital Munich, Comprehensive Pneumology Center (CPC) Munich, member, German Center for Lung Research (DZL), Munich, Germany.

Joachim Heinrich (J)

Institute and Clinic for Occupational, Social and Environmental Medicine, LMU University Hospital Munich, Comprehensive Pneumology Center (CPC) Munich, member, German Center for Lung Research (DZL), Munich, Germany; Allergy and Lung Health Unit, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia. Electronic address: Joachim.Heinrich@med.uni-muenchen.de.

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