Glutamate Receptor Activity
Glutamate Receptor Activity - Related Videos
05:27
An In Vitro Technique to Study Glutamate Receptor Trafficking in Hippocampal Neurons
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2025
This video demonstrates an antibody-feeding approach to study the trafficking of glutamate receptors in primary hippocampal neuronal cultures. This approach allows the observation of receptor populations at both the plasma and internal membranes. Discrimination between these subsets is achieved by labeling the receptors before and after membrane permeabilization, using the same primary antibody but secondary antibodies conjugated to different fluorophores.
12:02
High-throughput Analysis of Mammalian Olfactory Receptors: Measurement of Receptor Activation via Luciferase Activity
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Cited by 16 •
2014
Olfactory receptor activation patterns encode odor identity, but the lack of published data identifying odorant ligands for mammalian olfactory receptors hinders the development of a comprehensive model of odor coding. This protocol describes a method to facilitate high-throughput identification of olfactory receptor ligands and quantification of receptor activation.
09:49
Combined Optogenetic and Freeze-fracture Replica Immunolabeling to Examine Input-specific Arrangement of Glutamate Receptors in the Mouse Amygdala
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Cited by 6 •
2016
This article illustrates how the expression of neurotransmitter receptors can be quantified and the pattern analyzed at synapses with identified pre and postsynaptic elements using a combination of viral transduction of optogenetic tools and the freeze-fracture replica immunolabeling technique.
07:14
Reconstitution of the Bacterial Glutamate Receptor Channel by Encapsulation of a Cell-Free Expression System
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Cited by 1 •
2024
This protocol describes the inverted emulsion method used to encapsulate a cell-free expression (CFE) system within a giant unilamellar vesicle (GUV) for the investigation of the synthesis and incorporation of a model membrane protein into the lipid bilayer.
09:04
Detection of Neu1 Sialidase Activity in Regulating TOLL-like Receptor Activation
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Cited by 39 •
2010
The sialidase assay is a simple technical approach that will elucidate novel molecular mechanism(s) of TLR sensors of microbial infections and involvement in inflammatory diseases at the receptor level on the cell surface of live macrophages.
FAQs
AMPA and NMDA receptors produce direct effects by opening ligand-gated ion channels when activated, whereas metabotropic glutamate receptors act through G protein-coupled signaling pathways. This difference gives researchers two mechanistic perspectives on neuronal communication: direct ion flow through receptor channels and signaling-mediated modification of neuronal excitability and synaptic function.
Metabotropic glutamate receptors matter because they modify neuronal excitability and synaptic function through G protein-coupled signaling rather than by directly opening ligand-gated ion channels. This provides a way to study regulatory changes in neuronal communication that differ from direct ion flow, helping researchers examine how synapses are adjusted as well as how signals are transmitted.
Glutamate receptor activity provides a cellular focus for examining how synaptic function changes during learning and memory research. Studies can measure or manipulate receptor responses and then relate those changes to synaptic transmission and plasticity. Because these receptors participate in neuronal communication, they help connect cellular signaling with broader questions about how experiences alter neural function.
Measurement links receptor responses to the operation of synapses and communication between neurons. In neuroscience experiments, it can help characterize how receptor activity contributes to synaptic transmission, plasticity, learning, and memory. These observations also establish a basis for comparing normal signaling with altered activity associated with epilepsy, stroke-related injury, or neurodegenerative disease.
Manipulation provides a way to test whether changing receptor activity alters neuronal communication or synaptic function. Researchers can use this approach alongside measurement to examine the contribution of glutamate receptors to plasticity, learning, and memory. It also supports investigation of dysregulated signaling and can inform therapeutic development by identifying receptor activity as a potential target.
Abnormal glutamate receptor activity is associated with epilepsy, stroke-related injury, and neurodegenerative disease. This makes the receptors important for understanding how disrupted signaling affects neural function and for exploring therapeutic development. Research can therefore connect cellular receptor mechanisms with disease-related outcomes while evaluating whether modifying receptor activity may provide a useful direction for further study.