Validation of biomarkers of aging

M Moqri, C Herzog, JR Poganik, K Ying, JN Justice… - Nature medicine, 2024 - nature.com
The search for biomarkers that quantify biological aging (particularly 'omic'-based
biomarkers) has intensified in recent years. Such biomarkers could predict aging-related …

DNA methylation-based predictors of health: applications and statistical considerations

PD Yousefi, M Suderman, R Langdon… - Nature Reviews …, 2022 - nature.com
DNA methylation data have become a valuable source of information for biomarker
development, because, unlike static genetic risk estimates, DNA methylation varies …

DNA methylation aging clocks: challenges and recommendations

CG Bell, R Lowe, PD Adams, AA Baccarelli, S Beck… - Genome biology, 2019 - Springer
Epigenetic clocks comprise a set of CpG sites whose DNA methylation levels measure
subject age. These clocks are acknowledged as a highly accurate molecular correlate of …

Epigenetic clock: A promising biomarker and practical tool in aging

R Duan, Q Fu, Y Sun, Q Li - Ageing Research Reviews, 2022 - Elsevier
As a complicated process, aging is characterized by various changes at the cellular,
subcellular and nuclear levels, one of which is epigenetic aging. With increasing awareness …

Measuring biological aging in humans: A quest

L Ferrucci, M Gonzalez‐Freire, E Fabbri… - Aging cell, 2020 - Wiley Online Library
The global population of individuals over the age of 65 is growing at an unprecedented rate
and is expected to reach 1.6 billion by 2050. Most older individuals are affected by multiple …

GrimAge outperforms other epigenetic clocks in the prediction of age-related clinical phenotypes and all-cause mortality

C McCrory, G Fiorito, B Hernandez… - The Journals of …, 2021 - academic.oup.com
The aging process is characterized by the presence of high interindividual variation between
individuals of the same chronical age prompting a search for biomarkers that capture this …

Epigenetic-based age acceleration in a representative sample of older Americans: Associations with aging-related morbidity and mortality

JD Faul, JK Kim, ME Levine… - Proceedings of the …, 2023 - National Acad Sciences
Biomarkers developed from DNA methylation (DNAm) data are of growing interest as
predictors of health outcomes and mortality in older populations. However, it is unknown …

Biological age is increased by stress and restored upon recovery

JR Poganik, B Zhang, GS Baht, A Tyshkovskiy, A Deik… - Cell Metabolism, 2023 - cell.com
Aging is classically conceptualized as an ever-increasing trajectory of damage accumulation
and loss of function, leading to increases in morbidity and mortality. However, recent in vitro …

A computational solution for bolstering reliability of epigenetic clocks: Implications for clinical trials and longitudinal tracking

AT Higgins-Chen, KL Thrush, Y Wang, CJ Minteer… - Nature aging, 2022 - nature.com
Epigenetic clocks are widely used aging biomarkers calculated from DNA methylation data,
but this data can be surprisingly unreliable. Here we show that technical noise produces …

[HTML][HTML] DNA methylation GrimAge version 2

AT Lu, AM Binder, J Zhang, Q Yan, AP Reiner… - Aging (Albany …, 2022 - ncbi.nlm.nih.gov
We previously described a DNA methylation (DNAm) based biomarker of human mortality
risk DNAm GrimAge. Here we describe version 2 of GrimAge (trained on individuals aged …