2019
DOI: 10.1038/s41386-019-0500-y
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Epigenetic aging is accelerated in alcohol use disorder and regulated by genetic variation in APOL2

Abstract: To investigate the potential role of alcohol use disorder (AUD) in aging processes, we employed Levine's epigenetic clock (DNAm PhenoAge) to estimate DNA methylation age in 331 individuals with AUD and 201 healthy controls (HC). We evaluated the effects of heavy, chronic alcohol consumption on epigenetic age acceleration (EAA) using clinical biomarkers, including liver function test enzymes (LFTs) and clinical measures. To characterize potential underlying genetic variation contributing to EAA in AUD, we perfo… Show more

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Cited by 85 publications
(84 citation statements)
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“…The role of biological sex in neuropsychiatric conditions is relevant for understanding the trajectory of brain health across the lifespan, as all of the abovementioned conditions have been linked to an "accelerated" profile of aging using neuroimaging [Hajek et al, 2019;Han et al, 2019;Koutsouleris et al, 2014;Van Gestel et al, 2019] and epigenetic indices [Fries et al, 2017;Luo et al, 2020;Wolf et al, 2017]. While these studies use algorithmic tools to determine patterns that appear consistent with "accelerated aging", it is speculative at best to conclude that biological patterns that appear older than expected for a person's chronological age are representative of true biological aging -a phenotypic concept that has no true measurement [Butler et al, 2020;Freund, 2019].…”
Section: Sex Differences In Age-related Neurocognitive Disordersmentioning
confidence: 99%
“…The role of biological sex in neuropsychiatric conditions is relevant for understanding the trajectory of brain health across the lifespan, as all of the abovementioned conditions have been linked to an "accelerated" profile of aging using neuroimaging [Hajek et al, 2019;Han et al, 2019;Koutsouleris et al, 2014;Van Gestel et al, 2019] and epigenetic indices [Fries et al, 2017;Luo et al, 2020;Wolf et al, 2017]. While these studies use algorithmic tools to determine patterns that appear consistent with "accelerated aging", it is speculative at best to conclude that biological patterns that appear older than expected for a person's chronological age are representative of true biological aging -a phenotypic concept that has no true measurement [Butler et al, 2020;Freund, 2019].…”
Section: Sex Differences In Age-related Neurocognitive Disordersmentioning
confidence: 99%
“…In forensics, the ability to precisely determine the chronological age of samples from DNA methylation-based age prediction models could greatly help investigators to identify and find unknown individuals 13 . In other bio-medical applications, the estimated age from DNA methylation could give an estimation of the biological age 4 and could also be an indicator of different diseases, risks and health conditions when compared to the chronological age of individuals 14 17 .…”
Section: Introductionmentioning
confidence: 99%
“…6 These authors contributed equally: Imene Garali and Mourad Sahbatou. * email: alexandre.how-kit@fjd-ceph.org age from DNA methylation could give an estimation of the biological age 4 and could also be an indicator of different diseases, risks and health conditions when compared to the chronological age of individuals [14][15][16][17] .…”
mentioning
confidence: 99%
“…Lifetime psychological stress, high body mass index, and alcohol use all accelerate age-related DNA methylation changes that occur in human whole blood or liver. 66 - 69 Epigenetic drift, on the contrary, is superimposed onto the aforementioned age-related epigenetic changes and usually increases the variation in epigenetic marks with age—as demonstrated by comparing twin pairs of different ages. 74 , 75 Thus, in addition to age-related epigenetic changes, environmental chemicals can also deflect (perturb) epigenetic drift.…”
Section: What Do We Know About the Intersection Of Toxicoepigenetics mentioning
confidence: 99%