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University of Groningen Exposure to toxic environments across the life course Zeng, Zhijun

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University of Groningen

Exposure to toxic environments across the life course Zeng, Zhijun

DOI:

10.33612/diss.126339903

IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from it. Please check the document version below.

Document Version

Publisher's PDF, also known as Version of record

Publication date: 2020

Link to publication in University of Groningen/UMCG research database

Citation for published version (APA):

Zeng, Z. (2020). Exposure to toxic environments across the life course: consequences for development, DNA methylation and ageing. https://doi.org/10.33612/diss.126339903

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Exposure to toxic environments across

the life course:

Consequences for development, DNA methylation

and ageing

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Exposure to toxic environments across the life course: Consequences for development, DNA methylation

© Zhijun Zeng, 2020

All right reserved. No part of this thesis may be reproduced or transmitted in any form or by any means without prior written permission from the author.

ISBN (print):978-94-034-2739-3 ISBN (digital):978-94-034-2740-9

Cover design: Qihua Wang Layout: Zhijun Zeng

Printed by: GILDEPRINT, the Netherlands - www.gildeprint.nl

The research in this thesis was financially supported by the Abel Tasman Talent Program (ATTP), University Medical Center Groningen; the Netherlands Lung Foundation (LF 3.2.11.013); the J.K. de Cock foundation; the institute GUIDE; the Natural Science Foundation of China (21577084, 21876065);

Printing of this thesis was financially supported by University of Groningen, GUIDE and Graduate School of Medical Sciences (GSMS)

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Exposure to toxic environments

across the life course:

Consequences for development, DNA methylation and ageing

PhD thesis

to obtain the degree of PhD at the University of Groningen

on the authority of the

Rector Magnificus Prof. C. Wijmenga and in accordance with

the decision by the College of Deans. This thesis will be defended in public on

Wednesday 27 May at 11.00 hours by

Zhijun Zeng Born on 02 June 1988

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Supervisors Dr. M.N. Hylkema Prof. dr. X. Xu Co-supervisor Dr. C.A. Brandsma Assessment Committee Prof. dr. S. Krauss-Etschmann Prof. dr. A.F. Bos

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Paranimfen

Khosbayar Lkhagvadorj Yu Zhang

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CONTENT

Chapter 1 General introduction

Scope of the thesis

11 19

Chapter 2 Prenatal smoke effect on mouse offspring Igf1

promoter methylation from fetal stage to adulthood is organ- and sex-specific

31

Chapter 3 Effects of pre- and/or postnatal smoke exposure on

the hallmarks of the ageing phenotype and the role for the IGF1 pathway

65

Chapter 4 Differential DNA methylation in newborns with

maternal exposure to heavy metals from an e-waste recycling area

97

Chapter 5 PM2.5-bound PAHs exposure is linked with low

plasma insulin-like growth factor 1 levels and reduced child height

133

Chapter 6 Summary, general discussion and future perspective 165

Chapter 7 Nederlandse samenvatting

Acknowledgements Curriculum Vitae

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