Mimicking exercise in vitro - effects of myotube contractions and mechanical stretch on omics
Lautaoja, Juulia H; Turner, Daniel; Sharples, Adam; Kivelä, Riikka; Pekkal, Satu; Hulmi, Juha J; Ylä-Outinen, Laura
Peer reviewed, Journal article
Accepted version
Date
2023Metadata
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Original version
American Journal of Physiology - Cell Physiology. 2023, 324(4), C886-C892 10.1152/ajpcell.00586.2022Abstract
The number of studies using skeletal muscle (SkM) cell culture models to study exercise in vitro are rapidly expanding. Progressively, more comprehensive analysis methods, such as different omics approaches including transcriptomics, proteomics and metabolomics have been used to examine the intra- and extracellular molecular responses to exercise mimicking stimuli in cultured myotubes. Among other techniques, exercise-like electrical pulse stimulation (EL-EPS) and mechanical stretch of SkM cells are the two most commonly used methods to mimic exercise in vitro. In this mini-review we focus on these two approaches and their effects on the omics of myotubes and/or cell culture media. Furthermore, besides traditional two-dimensional (2D) methods, the use of three-dimensional (3D) SkM approaches are increasing in the field of in vitro exercise mimicry. Our aim with this mini-review is to provide the reader with an up-to-date overview of the 2D and 3D models and the use of omics approaches to study the molecular response to exercise in vitro.
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