Neuronal Glutamate Response
Neuronal Glutamate Response - Related Videos
04:10
Analyzing the Glutamate Release and Clearance at a Single Neuron Synapse in a Mouse Brain Slice
0 Views •
2025
This video demonstrates evaluating glutamate release and clearance at single corticostriatal synapses in a mouse brain slice. Electrical stimulation facilitates glutamate release at the synapse. The released glutamate alters sensor protein's fluorescence, which decays over time, indicating release and clearance efficiency.
07:08
Fast Micro-iontophoresis of Glutamate and GABA: A Useful Tool to Investigate Synaptic Integration
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Cited by 8 •
2013
In this article we introduce fast micro-iontophoresis of neurotransmitters as a technique to investigate integration of postsynaptic signals with high spatial and temporal precision.
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.
16:38
Dual Electrophysiological Recordings of Synaptically-evoked Astroglial and Neuronal Responses in Acute Hippocampal Slices
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Cited by 19 •
2012
The preparation of acute brain slices from isolated hippocampi, as well as the simultaneous electrophysiological recordings of astrocytes and neurons in stratum radiatum during stimulation of schaffer collaterals is described. The pharmacological isolation of astroglial potassium and glutamate transporter currents is demonstrated.
03:41
Detecting Physiological Responses from Sensory Neurons in Drosophila
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2025
This video demonstrates a method for detecting sensory neuron responses in Drosophila using ligand binding and fluorescence imaging. Ligands bind to neuron receptors, causing calcium influx. The calcium binds to indicator complexes, leading to fluorescence emission, which confirms the neuronal response to the ligand.
FAQs
Ionotropic receptors such as AMPA and NMDA receptors act through ion channels, allowing cations to cross the neuronal membrane and rapidly alter electrical state. Metabotropic receptors work through G proteins, which change intracellular signaling rather than directly opening an ion channel. Comparing these pathways helps distinguish immediate electrical effects from broader biochemical regulation.
AMPA and NMDA receptors provide two named ionotropic routes for glutamate-related signaling. Their channel activity permits cation flow, linking receptor activation to changes in neuronal electrical state. Examining these receptor classes allows researchers to characterize how excitatory synaptic transmission is produced and to relate receptor activity to processes such as learning and memory.
The response becomes harmful when glutamate receptor activation is excessive or prolonged. Instead of supporting normal communication, sustained signaling can contribute to excitotoxicity, a process associated with neuronal injury. This relationship makes the duration and intensity of receptor activation important when investigating how abnormal glutamate signaling may affect nervous-system function.
Glutamate responses contribute to synaptic transmission, the communication process between neurons, and are linked to learning and memory. They also participate in nervous system development, indicating that glutamate signaling has roles beyond moment-to-moment excitation. Studying these responses helps connect receptor activity with both developing neural systems and higher-order nervous-system functions.
A study can examine how a neuron’s electrical or biochemical state changes after glutamate detection. Researchers use these response patterns to characterize synaptic function and determine how signaling occurs between neurons. Considering both electrical and biochemical outcomes provides a broader view of the cellular consequences associated with glutamate receptor activation.
Neuronal glutamate response is useful when researchers investigate synaptic function, neurological disorders, or the effects of drugs and genetic changes on neuronal communication. The response provides an outcome for comparing how altered conditions influence signaling. This makes it relevant to studies that connect molecular or cellular changes with broader nervous-system consequences.