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Genome-wide association studies identify 137 genetic loci for DNA methylation biomarkers of aging.
    
    
        
    
    
        
        Genome Biol. 22:194 (2021)
    
    
    
		
		
			
				BACKGROUND: Biological aging estimators derived from DNA methylation data are heritable and correlate with morbidity and mortality. Consequently, identification of genetic and environmental contributors to the variation in these measures in populations has become a major goal in the field. RESULTS: Leveraging DNA methylation and SNP data from more than 40,000 individuals, we identify 137 genome-wide significant loci, of which 113 are novel, from genome-wide association study (GWAS) meta-analyses of four epigenetic clocks and epigenetic surrogate markers for granulocyte proportions and plasminogen activator inhibitor 1 levels, respectively. We find evidence for shared genetic loci associated with the Horvath clock and expression of transcripts encoding genes linked to lipid metabolism and immune function. Notably, these loci are independent of those reported to regulate DNA methylation levels at constituent clock CpGs. A polygenic score for GrimAge acceleration showed strong associations with adiposity-related traits, educational attainment, parental longevity, and C-reactive protein levels. CONCLUSION: This study illuminates the genetic architecture underlying epigenetic aging and its shared genetic contributions with lifestyle factors and longevity.
			
			
				
			
		 
		
			
				
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
    
        Typ der Hochschulschrift
        
    
 
    
        Herausgeber
        
    
    
        Schlagwörter
        Dna Methylation ; Epigenetic Clock ; Gwas; Mendelian Randomization; Susceptibility Loci; Age; Metaanalysis; Gwas; Enrichment; Regression; Insights; Provides; Blood
    
 
    
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        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2021
    
 
    
        Prepublished im Jahr 
        
    
 
    
        HGF-Berichtsjahr
        2021
    
 
    
    
        ISSN (print) / ISBN
        1474-760X
    
 
    
        e-ISSN
        1465-6906
    
 
    
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	    Band: 22,  
	    Heft: 1,  
	    Seiten: ,  
	    Artikelnummer: 194 
	    Supplement: ,  
	
    
 
  
        
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            Verlag
            BioMed Central
        
 
        
            Verlagsort
            Campus, 4 Crinan St, London N1 9xw, England
        
 
	
        
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        Begutachtungsstatus
        Peer reviewed
    
 
     
    
        POF Topic(s)
        30202 - Environmental Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
    
 
    
        Forschungsfeld(er)
        Genetics and Epidemiology
    
 
    
        PSP-Element(e)
        G-504091-001
G-504091-004
G-504000-010
G-504100-001
    
 
    
        Förderungen
        Medical Research Council
Cancer Research UK
Alzheimer's Research UK
NIH HHS
    
 
    
        Copyright
        
    
 	
    
    
    
    
    
        Erfassungsdatum
        2021-07-30