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Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
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Exercise and Gene Expression.

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  • 1Department of Physiology, The University of Melbourne, Melbourne, Australia.

Progress in Molecular Biology and Translational Science
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Summary
This summary is machine-generated.

Repeated exercise stimuli lead to lasting skeletal muscle adaptations by altering gene and protein expression. Advanced "big omics data" and systems biology enhance our understanding of exercise

Keywords:
DNA methylationExerciseGene expressionHistone modification

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Area of Science:

  • Exercise physiology
  • Molecular biology
  • Systems biology

Background:

  • Skeletal muscle training adaptations stem from lasting changes in protein expression and function.
  • These adaptations are initiated by acute gene transcription changes following exercise.
  • Exercise-induced gene expression is influenced by muscle contraction, signaling pathways, and epigenetic factors.

Purpose of the Study:

  • To explore the molecular mechanisms underlying skeletal muscle training adaptations.
  • To investigate the role of gene transcription, protein expression, and epigenetic modifications in response to exercise.
  • To leverage "big omics data" and computational biology for a comprehensive understanding of exercise biology.

Main Methods:

  • Analysis of gene transcription and protein expression changes following exercise stimuli.
  • Investigation of signaling kinases and downstream pathways involved in exercise response.
  • Application of "big omics data" analysis with computational and systems biology approaches.
  • Examination of epigenetic mechanisms including DNA methylation and micro-RNAs.

Main Results:

  • Repeated exercise stimuli reinforce initial transcriptional changes, leading to sustained effects on protein expression and function.
  • Multiple stimuli from muscle contraction activate signaling pathways that modulate gene expression.
  • Epigenetic mechanisms like DNA methylation and micro-RNAs play a role in regulating gene expression during exercise adaptation.

Conclusions:

  • Understanding the integrative biology of exercise requires analyzing complex molecular interactions.
  • "Big omics data" combined with systems biology offers powerful tools to study exercise adaptations.
  • Further research in this area promises a deeper insight into how the body responds to physical training.