期刊
MECHANISMS OF AGEING AND DEVELOPMENT
卷 189, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mad.2020.111257
关键词
aging; biomarkers; radiomics; whole-body magnetic resonance imaging; population-based study; big data analyses
资金
- Pla Estrategic de Recerca i Innovacio en Salut (PERIS) 2016-2020 from the Department of Health, Generalitat of Catalonia [SLT002/16/00250]
- La Caixa Foundation
Biomarkers of aging are urgently needed to identify individuals at high risk of developing age-associated disease or disability. Growing evidence from population-based studies points to whole-body magnetic resonance imaging's (MRI) enormous potential for quantifying subclinical disease burden and for assessing changes that occur with aging in all organ systems. The Aging Imageomics Study aims to identify biomarkers of human aging by analyzing imaging, biopsychosocial, cardiovascular, metabolomic, lipidomic, and microbiome variables. This study recruited 1030 participants aged >= 50 years (mean 67, range 50-96 years) that underwent structural and functional MRI to evaluate the brain, large blood vessels, heart, abdominal organs, fat, spine, musculoskeletal system and ultrasonography to assess carotid intima-media thickness and plaques. Patients were notified of incidental findings detected by a certified radiologist when necessary. Extensive data were also collected on anthropometrics, demographics, health history, neuropsychology, employment, income, family status, exposure to air pollution and cardiovascular status. In addition, several types of samples were gathered to allow for microbiome, metabolomic and lipidomic profiling. Using big data techniques to analyze all the data points from biological phenotyping together with health records and lifestyle measures, we aim to cultivate a deeper understanding about various biological factors (and combinations thereof) that underlie healthy and unhealthy aging.
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