Pronounced limb and fibre type differences in subcellular lipid droplet content and distribution in elite skiers before and after exhaustive exercise

HCE Koh, J Nielsen, B Saltin… - The Journal of …, 2017 - Wiley Online Library
Key points Although lipid droplets in skeletal muscle are an important energy source during
endurance exercise, our understanding of lipid metabolism in this context remains …

Lipid droplet dynamics in skeletal muscle

M Bosma - Experimental Cell Research, 2016 - Elsevier
The skeletal muscle is subjected to high mechanical and energetic demands. Lipid droplets
are an important source of energy substrates for the working muscle. Muscle cells contain a …

[HTML][HTML] Distinct lipid droplet characteristics and distribution unmask the apparent contradiction of the athlete's paradox

S Daemen, A Gemmink, B Brouwers, RCR Meex… - Molecular …, 2018 - Elsevier
Objective Intramyocellular lipid (IMCL) storage negatively associates with insulin resistance,
albeit not in endurance-trained athletes. We investigated the putative contribution of lipid …

Muscle lipid droplets: cellular signaling to exercise physiology and beyond

JT Seibert, CP Najt, TD Heden, DG Mashek… - Trends in Endocrinology …, 2020 - cell.com
Conventionally viewed as energy storage depots, lipid droplets (LDs) play a central role in
muscle lipid metabolism and intracellular signaling, as recognized by recent advances in …

Effect of an acute long-duration exercise bout on skeletal muscle lipid droplet morphology, GLUT 4 protein, and perilipin protein expression

S Bajpeyi, JN Apaflo, V Rosas… - European Journal of …, 2023 - Springer
Purpose Smaller lipid droplet morphology and GLUT 4 protein expression have been
associated with greater muscle oxidative capacity and glucose uptake, respectively. The …

Intramyocellular lipids form an important substrate source during moderate intensity exercise in endurance‐trained males in a fasted state

LJC Van Loon, R Koopman… - The Journal of …, 2003 - Wiley Online Library
Both stable isotope methodology and fluorescence microscopy were applied to define the
use of intramuscular triglyceride (IMTG) stores as a substrate source during exercise on a …

Lipid metabolism in skeletal muscle of endurance-trained males and females

DL Costill, WJ Fink, LH Getchell… - Journal of Applied …, 1979 - journals.physiology.org
Bipsies were obtained from the gastrocnemius muscle of 13 male and 12 female distance
runners and analyzed for [14C] palmitoyl-CoA oxidation, fiber composition, and the activities …

Lipid droplet size and location in human skeletal muscle fibers are associated with insulin sensitivity

J Nielsen, AE Christensen… - American Journal …, 2017 - journals.physiology.org
In skeletal muscle, an accumulation of lipid droplets (LDs) in the subsarcolemmal space is
associated with insulin resistance, but the underlying mechanism is not clear. We aimed to …

Carbohydrate improves exercise capacity but does not affect subcellular lipid droplet morphology, AMPK and p53 signalling in human skeletal muscle

JM Fell, MA Hearris, DG Ellis, JEP Moran… - The Journal of …, 2021 - Wiley Online Library
Key points Muscle glycogen and intramuscular triglycerides (IMTG, stored in lipid droplets)
are important energy substrates during prolonged exercise. Exercise‐induced changes in …

Triglyceride metabolism in exercising muscle

MJ Watt, Y Cheng - Biochimica et Biophysica Acta (BBA)-Molecular and …, 2017 - Elsevier
Triglycerides are stored within lipid droplets in skeletal muscle and can be hydrolyzed to
produce fatty acids for energy production through β-oxidation and oxidative phosphorylation …