Pyruvate cellular uptake and enzymatic conversion probed by dissolution DNP-NMR: the impact of overexpressed membrane transporters

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Metabolic control of muscle and muscle stem cell function

Skeletal muscle composed of myofibers and a small amount of muscle stem cells (MuSCs). It plays important roles in energy metabolism. Some of the key metabolites, such as NAD+ and acetyl-CoA were recently found to regulate muscle and MuSCs function. Most o ...

EPFL2016

L-Lactate protects neurons against excitotoxicity: implication of an ATP-mediated signaling cascade

Pierre Magistretti, Igor Allaman, Pierre Marquet, Pascal Jourdain, Kaspar Rothenfusser

Converging experimental data indicate a neuroprotective action of L-Lactate. Using Digital Holographic Microscopy, we observe that transient application of glutamate (100 μM; 2 min) elicits a NMDA-dependent death in 65% of mouse cortical neurons in culture ...

Nature Research2016

Methylglyoxal, the dark side of glycolysis

Pierre Magistretti, Igor Allaman

Glucose is the main energy substrate for the brain. There is now extensive evidence indicating that the metabolic profile of neural cells with regard to glucose utilization and glycolysis rate is not homogenous, with a marked propensity for glycolytic gluc ...

Frontiers Research Foundation2015

GLUT1 and GLUT3 in non-small cell lung cancer

Mark Jonathan Masin

While altered metabolism is a well-established tumor cell trait, the specifics of metabolic rewiring during cancer development and progression are yet to be fully understood. The Warburg effect, or aerobic glycolysis, has been described in a wide array of ...

EPFL2015

Deciphering the astrocyte-neuron metabolic cooperation in vivo

Manuel Raphael Zenger

Brain energy consumption is high and a very tightly regulated energy metabolism ensures correct performance. Neurons, the cells responsible for transmitting information via synapses, interact very closely with star shaped glial cells called astrocytes. Ast ...

EPFL2015

Multi-timescale Modeling of Activity-Dependent Metabolic Coupling in the Neuron-Glia-Vasculature Ensemble

Pierre Magistretti, Igor Allaman, Renaud Jolivet, Jay Coggan

Glucose is the main energy substrate in the adult brain under normal conditions. Accumulating evidence, however, indicates that lactate produced in astrocytes (a type of glial cell) can also fuel neuronal activity. The quantitative aspects of this so-calle ...

2015

Synaptic Plasticity and the Warburg Effect

Pierre Magistretti

Functional brain imaging studies show that in certain brain regions glucose utilization exceeds oxygen consumption, indicating the predominance of aerobic glycolysis. In this issue, Goyal et al. (2014) report that this metabolic profile is associated with ...

Cell Press2014

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