MicroRNAs and Physical Activity
Micro-RNAs (miRNAs) are responsible for important and evolutionary-conserved regulatory
functions in several cellular processes such as apoptosis, signalling, differentiation and proliferation.
There is a growing interest in understanding more clearly the mechanisms regulating activation
and suppression of miRNAs expression in benefit of health prevention advancement. It is now acknowledged
that physical activity represents one of the most effective preventive agents in chronicdegenerative
diseases. Indeed, a regular exercise exerts a great influence on several parameters and
biological pathways, both at genomic and post-genomic levels. Recent works have highlighted the effects
of structured physical activity on miRNAs modulation. Modulation of MiRNAs, regulated by exercise
in human skeletal muscle, depends on type, duration and intensity of an exercise performed. The aim of this review
is to provide a comprehensive overview of scientific evidence concerning the effects of physical activity on miRNAs and
its relevance for chronic-degenerative diseases prevention.
Keywords: Endurance exercise, microRNA, myomiR, physical activity, resistance exercise, skeletal muscle.
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