Decoding Aging Clocks From A Metabolomic Perspective
Our bodies age at different rates, and simply counting years doesn’t always reflect our true biological health. Scientists are developing “aging clocks” to better understand this process. While some clocks look at changes in our genes (epigenetic clocks), they sometimes miss the day-to-day fluctuations in our body’s chemistry. This is where the study of metabolomics comes in. Metabolomics involves comprehensively profiling the small molecules, called metabolites, present in our body. These metabolites are the end products of our biological processes and reflect our current physiological state, influenced by everything from our genes to our lifestyle. A recent exploration into this field highlights how studying these metabolites can provide a more dynamic and accurate picture of biological aging. It outlines a practical step-by-step guide for developing these metabolite-based aging clocks, covering everything from preparing the data to building and applying predictive models. This approach aims to improve how accurately we can predict someone’s biological age and understand the underlying biological reasons for aging. Ultimately, this research could lead to new ways to extend healthy lifespan and develop better strategies for preventing and treating diseases associated with getting older.
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