NMDA receptor functions in health and disease: Old actor, new dimensions

JP Dupuis, O Nicole, L Groc - Neuron, 2023 - cell.com
N-Methyl-D-aspartate ionotropic glutamate receptors (NMDARs) play key roles in
synaptogenesis, synaptic maturation, long-term plasticity, neuronal network activity, and …

Synapse organizers as molecular codes for synaptic plasticity

SA Connor, TJ Siddiqui - Trends in Neurosciences, 2023 - cell.com
Synapse organizing proteins are multifaceted molecules that coordinate the complex
processes of brain development and plasticity at the level of individual synapses. Their …

Neurexin-3 subsynaptic densities are spatially distinct from Neurexin-1 and essential for excitatory synapse nanoscale organization in the hippocampus

BA Lloyd, Y Han, R Roth, B Zhang, J Aoto - Nature Communications, 2023 - nature.com
Proteins critical for synaptic transmission are non-uniformly distributed and assembled into
regions of high density called subsynaptic densities (SSDs) that transsynaptically align in …

Glutamate indicators with improved activation kinetics and localization for imaging synaptic transmission

A Aggarwal, R Liu, Y Chen, AJ Ralowicz… - Nature …, 2023 - nature.com
The fluorescent glutamate indicator iGluSnFR enables imaging of neurotransmission with
genetic and molecular specificity. However, existing iGluSnFR variants exhibit low in vivo …

Distinct active zone protein machineries mediate Ca2+ channel clustering and vesicle priming at hippocampal synapses

J Emperador-Melero, JW Andersen… - Nature …, 2024 - nature.com
Action potentials trigger neurotransmitter release at the presynaptic active zone with
spatiotemporal precision. This is supported by protein machinery that mediates synaptic …

Presynapses contain distinct actin nanostructures

D Bingham, CE Jakobs, F Wernert… - Journal of Cell …, 2023 - rupress.org
The architecture of the actin cytoskeleton that concentrates at presynapses remains poorly
known, hindering our understanding of its roles in synaptic physiology. In this work, we …

Structural mobility tunes signalling of the GluA1 AMPA glutamate receptor

D Zhang, J Ivica, JM Krieger, H Ho, K Yamashita… - Nature, 2023 - nature.com
AMPA glutamate receptors (AMPARs), the primary mediators of excitatory
neurotransmission in the brain, are either GluA2 subunit-containing and thus Ca2+ …

Combinatorial expression of neurexins and LAR-type phosphotyrosine phosphatase receptors instructs assembly of a cerebellar circuit

A Sclip, TC Südhof - Nature Communications, 2023 - nature.com
Synaptic adhesion molecules (SAMs) shape the structural and functional properties of
synapses and thereby control the information processing power of neural circuits. SAMs are …

Differential nanoscale organization of excitatory synapses onto excitatory vs. inhibitory neurons

PA Dharmasri, AD Levy… - Proceedings of the …, 2024 - National Acad Sciences
A key feature of excitatory synapses is the existence of subsynaptic protein nanoclusters
(NCs) whose precise alignment across the cleft in a transsynaptic nanocolumn influences …

Nanoscale rules governing the organization of glutamate receptors in spine synapses are subunit specific

M Hruska, RE Cain, MB Dalva - Nature Communications, 2022 - nature.com
Heterotetrameric glutamate receptors are essential for the development, function, and
plasticity of spine synapses but how they are organized to achieve this is not known. Here …