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

Publications associées (37)

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Identification and functional characterization of protein kinases that modulate Notch signaling under physiological conditions and in cancer

Chhavi Jain

The Notch signaling pathway is a key regulator of cell fate decisions in embryonic development and in adult tissue homeostasis. Mounting evidence suggests that Notch signaling is frequently deregulated in human neoplasms, where depending upon the cellular ...

EPFL2016

Sodium Signaling and Astrocyte Energy Metabolism

Pierre Magistretti, Jean-Yves Chatton

The Na+ gradient across the plasma membrane is constantly exploited by astrocytes as a secondary energy source to regulate the intracellular and extracellular milieu, and discard waste products. One of the most prominent roles of astrocytes in the brain is ...

Wiley-Blackwell2016

The NPR1-dependent salicylic acid signalling pathway is pivotal for enhanced salt and oxidative stress tolerance in Arabidopsis

Amandine Massart

The role of endogenous salicylic acid (SA) signalling cascades in plant responses to salt and oxidative stresses is unclear. Arabidopsis SA signalling mutants, namely npr1-5 (non-expresser of pathogenesis related gene1), which lacks NPR1-dependent SA signa ...

Oxford University Press2015

Lactate promotes plasticity gene expression by potentiating NMDA signaling in neurons

Pierre Magistretti, Igor Allaman, Gabriele Grenningloh, Evelyne Ruchti, Jean-Marie Petit, Pascal Jourdain, Jiangyan Yang

L-lactate is a product of aerobic glycolysis that can be used by neurons as an energy substrate. Here we report that in neurons L-lactate stimulates the expression of synaptic plasticity-related genes such as Arc, c-Fos, and Zif268 through a mechanism invo ...

National Academy of Sciences2014

Targeting cytokine networks in KRAS-driven tumorigenesis

KRAS is one of the most commonly mutated oncogenes in human tumors, and is typically associated with aggressive disease. Despite intensive study and years of effort, KRAS has remained refractory to targeted inhibition. Given the challenge of inhibiting KRA ...

Expert Reviews2014

One of the basic characteristics of every living system is the ability to respond to extracellular signals. This is carried out through a limited number of protein-based signaling networks, whose function is not based only on simple transmission of the rec ...

EPFL2012

Transmembrane Signaling Analysis in Model Membrane Systems

Luigino Grasso

Studying the complex mechanisms of transducing an extracellular signal across a plasma membrane to initiate an intracellular responce is of fundamental importance for a cell’s function. Transmembrane signaling is the key allowing cells to sense and communi ...

EPFL2012

Variations in the spatial localization of signaling components and crosstalk among signaling cascades are mechanisms through which diversity in signaling networks is generated. The receptor Notch provides an example of regulation by spatial localization: I ...

2012

Materials science: Cell environments programmed with light

Matthias Lütolf

A combination of two light-induced reactions has been used to attach peptides to a polymeric gel, and then to detach them from it. This feat opens up opportunities for studying the effects of signalling molecules on cell behaviour in vitro. ...

2012

Lentiviral Transgenesis as a Tool to Study the Role of Uncoupling Protein Isoforms in the Nervous System

Hélène Danielle Perreten Lambert

A tight coupling exists between synaptic activity and glucose utilization by astrocytes. Metabolic cooperation between neurons and astrocytes mediates this coupling. During synaptic activation, glutamate that is released in the synaptic cleft as a neurotra ...

EPFL2011