The Flexibility of Ectopic Lipids
AbstractIn addition to the subcutaneous and the visceral fat tissue, lipids can also be stored in non-adipose tissue such as in hepatocytes (intrahepatocellular lipids; IHCL), skeletal (intramyocellular lipids; IMCL) or cardiac muscle cells (intracardiomyocellular lipids; ICCL). Ectopic lipids are flexible fuel stores that can be depleted by physical exercise and repleted by diet. They are related to obesity and insulin resistance. Quantification of IMCL was initially performed invasively, using muscle biopsies with biochemical and/or histological analysis. 1H-magnetic resonance spectroscopy (1H-MRS) is now a validated method that allows for not only quantifying IMCL non-invasively and repeatedly, but also assessing IHCL and ICCL. This review summarizes the current available knowledge on the flexibility of ectopic lipids. The available evidence suggests a complex interplay between quantitative and qualitative diet, fat availability (fat mass), insulin action, and physical exercise, all important factors that influence the flexibility of ectopic lipids. Furthermore, the time frame of the intervention on these parameters (short-term vs. long-term) appears to be critical. Consequently, standardization of physical activity and diet are critical when assessing ectopic lipids in predefined clinical situations. View Full-Text
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Loher, H.; Kreis, R.; Boesch, C.; Christ, E. The Flexibility of Ectopic Lipids. Int. J. Mol. Sci. 2016, 17, 1554.
Loher H, Kreis R, Boesch C, Christ E. The Flexibility of Ectopic Lipids. International Journal of Molecular Sciences. 2016; 17(9):1554.Chicago/Turabian Style
Loher, Hannah; Kreis, Roland; Boesch, Chris; Christ, Emanuel. 2016. "The Flexibility of Ectopic Lipids." Int. J. Mol. Sci. 17, no. 9: 1554.
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