Epigenetic Clocks: Beyond Biological Age, Using the Past to Predict the Present and Future

Jan 3, 2025Aging and disease

Epigenetic Clocks: Using Past Biological Changes to Estimate Current and Future Age

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Longevity & Aging on OpenScience ↗PubMed ↗DOI ↗

Abstract

Epigenetic clocks can estimate biological age and assess aging rates across diverse tissues with remarkable precision.

Epigenetic clocks are based on DNA methylation patterns.
These clocks provide predictive insights into mortality and age-related disease risks.
They can effectively distinguish biological age from chronological age.
Traditional biomarkers offer only partial perspectives on the aging process.
Significant challenges remain in fully unlocking the potential of epigenetic clocks in aging research.

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Predicting health trajectories and accurately measuring aging processes across the human lifespan remain profound scientific challenges. Assessing the effectiveness and impact of interventions targeting aging is even more elusive, largely due to the intricate, multidimensional nature of aging-a process that defies simple quantification. Traditional biomarkers offer only partial perspectives, capturing limited aspects of the aging landscape. Yet, over the past decade, groundbreaking advancements have emerged. Epigenetic clocks, derived from DNA methylation patterns, have established themselves as powerful aging biomarkers, capable of estimating biological age and assessing aging rates across diverse tissues with remarkable precision. These clocks provide predictive insights into mortality and age-related disease risks, effectively distinguishing biological age from chronological age and illuminating enduring questions in gerontology. Despite significant progress in epigenetic clock development, substantial challenges remain, underscoring the need for continued investigation to fully unlock their potential in the science of aging.

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Epigenetic Clocks: Beyond Biological Age, Using the Past to Predict the Present and Future

Abstract

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