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Récepteur GABAA

Science de la nature
Biologie
Biologie cellulaire
Récepteur (biochimie)

Publications associées (30)

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Publications associées (30)

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A Biophysically Detailed Model of Neocortical Local Field Potentials Predicts the Critical Role of Active Membrane Currents

Henry Markram, Sean Lewis Hill, Michael Reimann, Rodrigo de Campos Perin

Brain activity generates extracellular voltage fluctuations recorded as local field potentials (LFPs). It is known that the relevant microvariables, the ionic currents across membranes, jointly generate the macrovariables, the extracellular voltage, but ne ...

Elsevier2013

SNAP-tag based FRET Indicator for GABA and Synthetic GABAB Receptor Ligands

Anastasiya Masharina

Whilst γ-aminobutyric acid (GABA) is the main inhibitory neurotransmitter in the central nervous system (CNS), suitable tools to measure its concentration in living cells with high spatiotemporal resolution are missing. This thesis describes the first rati ...

EPFL2012

A Biochemical and Biophysical Investigation of 5-HT3 Receptor Stability

Menno Berend Tol

The 5-hydroxytryptamine 3 receptor (5-HT3R) is a member of the pentameric ligand-gated ion channel (pLGIC) family, that plays an important role in fast signal transduction and cell-cell communication in synapses: They convert a chemical signal from a neuro ...

EPFL2012

A Fluorescent Sensor for GABA and Synthetic GABA(B) Receptor Ligands

Kai Johnsson, Luc Reymond, Anastasiya Masharina

While gamma-aminobutyric acid (GABA) is the main inhibitory neurotransmitter, suitable tools to measure its concentration in living cells with high spatiotemporal resolution are missing. Herein, we describe the first ratiometric fluorescent sensor for GABA ...

American Chemical Society2012

Simultaneous Optical Recording in Multiple Cells by Digital Holographic Microscopy of Chloride Current Associated to Activation of the Ligand-Gated Chloride Channel GABA(A) Receptor

Pierre Marquet, Christian Depeursinge, Benjamin Rappaz, Daniel Boss, Pascal Jourdain

Chloride channels represent a group of targets for major clinical indications. However, molecular screening for chloride channel modulators has proven to be difficult and time-consuming as approaches essentially rely on the use of fluorescent dyes or invas ...

Public Library of Science2012

GABA Signaling Promotes Synapse Elimination and Axon Pruning in Developing Cortical Inhibitory Interneurons

Graham Knott

Accumulating evidence indicates that GABA acts beyond inhibitory synaptic transmission and regulates the development of inhibitory synapses in the vertebrate brain, but the underlying cellular mechanism is not well understood. We have combined live imaging ...

2012

A randomised controlled trial of bumetanide in the treatment of autism in children

Nouchine Hadjikhani

Gamma aminobutyric acid (GABA)-mediated synapses and the oscillations they orchestrate are altered in autism. GABA-acting benzodiazepines exert in some patients with autism paradoxical effects, raising the possibility that like in epilepsies, GABA excites ...

Nature Publishing Group2012

Short-term ionic plasticity at GABAergic synapses

Henry Markram

Fast synaptic inhibition in the brain is mediated by the pre-synaptic release of the neurotransmitter γ-Aminobutyric acid (GABA)and the post-synaptic activation of GABA-sensitive ionotropic receptors. As with excitatory synapses, it is being increasinly ap ...

2012

Relationship between physiological measures of excitability and levels of glutamate and GABA in the human motor cortex

Magnetic resonance spectroscopy (MRS) allows measurement of neurotransmitter concentrations within a region of interest in the brain. Inter-individual variation in MRS-measured GABA levels have been related to variation in task performance in a number of r ...

2011

Chloride Ions in the Pore of Glycine and GABA Channels Shape the Time Course and Voltage Dependence of Agonist Currents

Michele Giugliano

In the vertebrate CNS, fast synaptic inhibition is mediated by GABA and glycine receptors. We recently reported that the time course of these synaptic currents is slower when intracellular chloride is high. Here we extend these findings to measure the effe ...

2011