Environment-induced epigenetic reprogramming in genomic regulatory elements in smoking mothers and their children

© 2016 The Authors. Published under the terms of the CC BY 4.0 license..

Epigenetic mechanisms have emerged as links between prenatal environmental exposure and disease risk later in life. Here, we studied epigenetic changes associated with maternal smoking at base pair resolution by mapping DNA methylation, histone modifications, and transcription in expectant mothers and their newborn children. We found extensive global differential methylation and carefully evaluated these changes to separate environment associated from genotype-related DNA methylation changes. Differential methylation is enriched in enhancer elements and targets in particular "commuting" enhancers having multiple, regulatory interactions with distal genes. Longitudinal whole-genome bisulfite sequencing revealed that DNA methylation changes associated with maternal smoking persist over years of life. Particularly in children prenatal environmental exposure leads to chromatin transitions into a hyperactive state. Combined DNA methylation, histone modification, and gene expression analyses indicate that differential methylation in enhancer regions is more often functionally translated than methylation changes in promoters or non-regulatory elements. Finally, we show that epigenetic deregulation of a commuting enhancer targeting c-Jun N-terminal kinase 2 (JNK2) is linked to impaired lung function in early childhood.

Medienart:

E-Artikel

Erscheinungsjahr:

2016

Erschienen:

2016

Enthalten in:

Zur Gesamtaufnahme - volume:12

Enthalten in:

Molecular systems biology - 12(2016), 3 vom: 24. März, Seite 861

Sprache:

Englisch

Beteiligte Personen:

Bauer, Tobias [VerfasserIn]
Trump, Saskia [VerfasserIn]
Ishaque, Naveed [VerfasserIn]
Thürmann, Loreen [VerfasserIn]
Gu, Lei [VerfasserIn]
Bauer, Mario [VerfasserIn]
Bieg, Matthias [VerfasserIn]
Gu, Zuguang [VerfasserIn]
Weichenhan, Dieter [VerfasserIn]
Mallm, Jan-Philipp [VerfasserIn]
Röder, Stefan [VerfasserIn]
Herberth, Gunda [VerfasserIn]
Takada, Eiko [VerfasserIn]
Mücke, Oliver [VerfasserIn]
Winter, Marcus [VerfasserIn]
Junge, Kristin M [VerfasserIn]
Grützmann, Konrad [VerfasserIn]
Rolle-Kampczyk, Ulrike [VerfasserIn]
Wang, Qi [VerfasserIn]
Lawerenz, Christian [VerfasserIn]
Borte, Michael [VerfasserIn]
Polte, Tobias [VerfasserIn]
Schlesner, Matthias [VerfasserIn]
Schanne, Michaela [VerfasserIn]
Wiemann, Stefan [VerfasserIn]
Geörg, Christina [VerfasserIn]
Stunnenberg, Hendrik G [VerfasserIn]
Plass, Christoph [VerfasserIn]
Rippe, Karsten [VerfasserIn]
Mizuguchi, Junichiro [VerfasserIn]
Herrmann, Carl [VerfasserIn]
Eils, Roland [VerfasserIn]
Lehmann, Irina [VerfasserIn]

Links:

Volltext

Themen:

Chromatin
EC 2.7.1.24
Enhancer deregulation
Environment
Epigenetics
Histone modifications
Histones
Journal Article
Mitogen-Activated Protein Kinase 9
Research Support, Non-U.S. Gov't
WGBS

Anmerkungen:

Date Completed 02.11.2016

Date Revised 09.01.2021

published: Electronic

Citation Status MEDLINE

doi:

10.15252/msb.20156520

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM258769114