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Carmona, J.J.* ; Barfield, R.T.* ; Panni, T. ; Nwanaji-Enwerem, J.C.* ; Just, A.C.* ; Hutchinson, J.N.* ; Colicino, E.* ; Karrasch, S. ; Wahl, S. ; Kunze, S. ; Jafari, N.* ; Zheng, Y.* ; Hou, L.* ; DeMeo, D.L.* ; Litonjua, A.A.* ; Vokonas, P.S.* ; Peters, A. ; Lin, X.* ; Schwartz, J.* ; Schulz, H. ; Baccarelli, A.A.*

Metastable DNA methylation sites associated with longitudinal lung function decline and aging in humans: An epigenome-wide study in the NAS and KORA cohorts.

Epigenetics 13, 1039-1055 (2018)
Publ. Version/Full Text Postprint DOI PMC
Open Access Gold
DNA methylation is an epigenetic regulator of gene transcription, which has been found to be both metastable and variable within human cohort studies. Currently, few studies have been done to identify metastable DNA methylation biomarkers associated with longitudinal lung function decline in humans. The identification of such biomarkers is important for screening vulnerable populations. We hypothesized that quantifiable blood-based DNA methylation alterations would serve as metastable biomarkers of lung function decline and aging, which may help to discover new pathways and/or mechanisms related to pulmonary pathogenesis. Using linear mixed models, we performed an Epigenome Wide Association Study (EWAS) between DNA methylation at CpG dinucleotides and longitudinal lung function (FVC, FEV1, FEF25-75%) decline and aging with initial discovery in the Normative Aging Study, and replication in the Cooperative Health Research in the Region of Augsburg cohort. We identified two metastable epigenetic loci associated with either poor lung function and aging, cg05575921 (AHRR gene), or lung function independently of aging, cg06126421 (IER3 gene). These loci may inform basic mechanisms associated with pulmonary function, pathogenesis, and aging. Human epigenomic variation, may help explain features of lung function decline and related pathophysiology not attributable to DNA sequence alone, such as accelerated pulmonary decline in smokers, former smokers, and perhaps non-smokers. Our EWAS across two cohorts, therefore, will likely have implications for the human population, not just the elderly.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Biomarker ; Dna Methylation ; Pulmonary Function ; Lung Function Decline; All-cause; Mortality; Smoking; Health; Loci; Standardization; Epigenetics; Signatures; Discovery; Risk
Language english
Publication Year 2018
HGF-reported in Year 2018
ISSN (print) / ISBN 1559-2294
e-ISSN 1559-2308
Journal Epigenetics
Quellenangaben Volume: 13, Issue: 10-11, Pages: 1039-1055 Article Number: , Supplement: ,
Publisher Landes Bioscience
Publishing Place Austin, Tex.
Reviewing status Peer reviewed
Institute(s) Institute of Epidemiology (EPI)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-504000-009
G-504091-004
G-504000-010
G-504090-001
DOI 10.1080/15592294.2018.1529849
WOS ID WOS:000456104500003
Scopus ID 85055351741
PubMed ID 30343628
Erfassungsdatum 2018-10-26
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