Interactions between fatty acid transport proteins, genes that encode for them, and exercise: A systematic review
Long-chain fatty acid (LCFA) movement into skeletal muscle involves a highly mediated process in which lipid rafts are utilized in the cellular membrane, involving numerous putative plasma membrane-associated LCFA transport proteins. The process of LCFA uptake and oxidation is of particular metabolic significance both at rest and during light to moderate exercise. A comprehensive systematic search of electronic databases was conducted to investigate whether exercise alters protein and/or gene expression of putative LCFA transport proteins. There were 31 studies meeting all eligibility criteria, of these 13 utilized an acute exercise protocol and 18 examined chronic exercise adaptations. Seventeen involved a study design incorporating an exercise stimulus, while the remaining 14 incorporated a combined exercise and diet stimulus. Divergent data relating to acute exercise, as well as prolonged exercise training (≥3 weeks), on protein content (PC) response was identified for proteins CD36, FABPpm and CAV1. Messenger ribonucleic acid (mRNA) data did not always correspond to functional PC, supporting previous suggestions of a disconnect due to potentially limiting factors post gene expression. The large array of study designs, cohorts, and primary dependent variables within the studies included in the present review elucidate the complexity of the interaction between exercise and LCFA transport proteins. Summary of the results in the present review validate the need for further targeted investigation within this topic, and provide an important information base for such research.
The University of Sydney
Jayewardene, A.F., Mavros, Y., Reeves, A., Hancock, D.P., Gwinn, T., Rooney, K.B. (2016). Interactions between fatty acid transport proteins, genes that encode for them, and exercise: A systematic review. Journal of Cellular Physiology, 231(8), 1671-1687. doi:10.1002/jcp.25281
Jayewardene, A. F., Mavros, Y., Reeves, A., Hancock, D. P., Gwinn, T., & Rooney, K. B. (2016). Interactions between fatty acid transport proteins, genes that encode for them, and exercise: A systematic review. Bond University. Retrieved from http://dx.doi.org/10.1002/jcp.25281
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