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Matias-Garcia, P.R. ; Ward-Caviness, C.K.* ; Raffield, L.M.* ; Gao, X.* ; Zhang, Y.* ; Wilson, R. ; Nano, J. ; Bostom, A.* ; Colicino, E.* ; Correa, A.* ; Coull, B.* ; Eaton, C.* ; Hou, L.* ; Just, A.C.* ; Kunze, S. ; Lange, L.* ; Lange, E.M.* ; Lin, X.* ; Liu, S.* ; Nwanaji-Enwerem, J.C.* ; Reiner, A.* ; Shen, J.* ; Schöttker, B.* ; Vokonas, P.* ; Zheng, Y.* ; Young, B.* ; Schwartz, J.* ; Horvath, S.* ; Lu, A.* ; Whitsel, E.A.* ; Koenig, W.* ; Adamski, J. ; Winkelmann, J. ; Brenner, H.* ; Baccarelli, A.A.* ; Gieger, C. ; Peters, A. ; Franceschini, N.* ; Waldenberger, M.

DNAm-based signatures of accelerated aging and mortality in blood are associated with low renal function.

Clin. Epigenet. 13:121 (2021)
Verlagsversion DOI
Open Access Gold
BACKGROUND: The difference between an individual's chronological and DNA methylation predicted age (DNAmAge), termed DNAmAge acceleration (DNAmAA), can capture life-long environmental exposures and age-related physiological changes reflected in methylation status. Several studies have linked DNAmAA to morbidity and mortality, yet its relationship with kidney function has not been assessed. We evaluated the associations between seven DNAm aging and lifespan predictors (as well as GrimAge components) and five kidney traits (estimated glomerular filtration rate [eGFR], urine albumin-to-creatinine ratio [uACR], serum urate, microalbuminuria and chronic kidney disease [CKD]) in up to 9688 European, African American and Hispanic/Latino individuals from seven population-based studies. RESULTS: We identified 23 significant associations in our large trans-ethnic meta-analysis (p < 1.43E-03 and consistent direction of effect across studies). Age acceleration measured by the Extrinsic and PhenoAge estimators, as well as Zhang's 10-CpG epigenetic mortality risk score (MRS), were associated with all parameters of poor kidney health (lower eGFR, prevalent CKD, higher uACR, microalbuminuria and higher serum urate). Six of these associations were independently observed in European and African American populations. MRS in particular was consistently associated with eGFR (β =  - 0.12, 95% CI = [- 0.16, - 0.08] change in log-transformed eGFR per unit increase in MRS, p = 4.39E-08), prevalent CKD (odds ratio (OR) = 1.78 [1.47, 2.16], p = 2.71E-09) and higher serum urate levels (β = 0.12 [0.07, 0.16], p = 2.08E-06). The "first-generation" clocks (Hannum, Horvath) and GrimAge showed different patterns of association with the kidney traits. Three of the DNAm-estimated components of GrimAge, namely adrenomedullin, plasminogen-activation inhibition 1 and pack years, were positively associated with higher uACR, serum urate and microalbuminuria. CONCLUSION: DNAmAge acceleration and DNAm mortality predictors estimated in whole blood were associated with multiple kidney traits, including eGFR and CKD, in this multi-ethnic study. Epigenetic biomarkers which reflect the systemic effects of age-related mechanisms such as immunosenescence, inflammaging and oxidative stress may have important mechanistic or prognostic roles in kidney disease. Our study highlights new findings linking kidney disease to biological aging, and opportunities warranting future investigation into DNA methylation biomarkers for prognostic or risk stratification in kidney disease.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Aging ; Dnam Age ; Epigenetic Age Acceleration ; Glomerular Filtration Rate ; Kidney Function ; Serum Urate ; Uacr; Chronic Kidney-disease; Plasminogen-activator Inhibitor-1; Glomerular-filtration-rate; All-cause Mortality; Epigenetic Age Acceleration; Methylation Age; Clock Analysis; Albuminuria; Smoking; Pai-1
ISSN (print) / ISBN 1868-7075
e-ISSN 1868-7083
Zeitschrift Clinical Epigenetics
Quellenangaben Band: 13, Heft: 1, Seiten: , Artikelnummer: 121 Supplement: ,
Verlag Springer
Verlagsort Berlin : Heidelberg
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology II (EPI2)
Molekulare Endokrinologie und Metabolismus (MEM)
Institute of Neurogenomics (ING)
Förderungen National Center for Advancing Translational Sciences, National Institutes of Health (US)
Foundation for the National Institutes of Health (US)
University of Mississippi Medical Center (US)
Tougaloo College (US)
NIMHD NIH HHS
NHLBI NIH HHS
Foundation for the National Institutes of Health
National Institute of Environmental Health Sciences (US)