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Bridging the Gaps: the Promise of Omics Studies in Pediatric Exercise Research
Shlomit Radom-Aizik1, Dan M Cooper
1Pediatric Exercise and Genomics Research Center (PERC) Department of Pediatrics, University of California, Irvine, Irvine, California.
Insights
Understanding how exercise impacts childhood growth is key. New "omics" research explores the molecular links between physical activity and developmental processes, informing future health guidelines.
Area of Science:
- Developmental biology
- Exercise physiology
- Molecular biology
Background:
- Childhood growth is a complex process involving hormonal, inflammatory, and epigenetic factors.
- Exercise influences molecular signaling pathways, but its synchronization with growth signaling is unclear.
Purpose of the Study:
- To review recent discoveries on the mechanisms linking exercise and growth during development.
- To explore how "omics" technologies can elucidate these connections.
- To inform the definition of "healthy" exercise for optimal child development.
Main Methods:
- Review of current literature on exercise, growth, and molecular mechanisms.
- Focus on advances in genomics, epigenetics, metabolomics, and proteomics.
- Analysis of how these "omics" approaches can bridge the knowledge gap.
Main Results:
- "Omics" technologies offer novel tools to investigate the interplay between exercise and growth.
- Understanding these molecular links can refine our definition of beneficial physical activity.
- This knowledge has the potential to transform health policy and guidelines.
Conclusions:
- Bridging the gap in understanding exercise and growth signaling is crucial.
- "Omics" research provides unprecedented opportunities to study these mechanisms.
- A biologic definition of healthy exercise will optimize physical activity's role in development.
Abstract:
In this review, we highlight promising new discoveries that may generate useful and clinically relevant insights into the mechanisms that link exercise with growth during critical periods of development. Growth in childhood and adolescence is unique among mammals and is a dynamic process regulated by an evolution of hormonal and inflammatory mediators, age-dependent progression of gene expression, and environmentally modulated epigenetic mechanisms. Many of these same processes likely affect molecular transducers of physical activity. How the molecular signaling associated with growth is synchronized with signaling associated with exercise is poorly understood. Recent advances in "omics"-namely genomics and epigenetics, metabolomics, and proteomics-now provide exciting approaches and tools that can be used for the first time to address this gap. A biologic definition of "healthy" exercise that links the metabolic transducers of physical activity with parallel processes that regulate growth will transform health policy and guidelines that promote optimal use of physical activity.
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