Glua1 Glua2 Subunits
Glua1 Glua2 Subunits - Related Videos
06:09
In Vitro Reassociation Assay to Measure the Formation of 80S Ribosomal Particles Using Salt-washed Ribosomal Subunits
0 Views •
2025
Here, we describe a detailed protocol for the in vitro reassociation of purified, salt-washed eukaryotic ribosomal subunits for the analysis of 80S particle formation. This method is illustrated by analyzing ribosomal subunits isolated from a wild-type strain of Saccharomyces cerevisiae and a mutant strain deficient in the ribosomal protein eL24.
22:10
Multi-target Parallel Processing Approach for Gene-to-structure Determination of the Influenza Polymerase PB2 Subunit
0 Views •
Cited by 3 •
2013
Structure-based drug design plays an important role in drug development. Pursuing multiple targets in parallel greatly increases the chance of success for lead discovery. The following article highlights how the Seattle Structural Genomics Center for Infectious Disease utilizes a multi-target approach for gene-to-structure determination of the PB2 influenza A subunit.
08:55
Characterization of Multi-subunit Protein Complexes of Human MxA Using Non-denaturing Polyacrylamide Gel-electrophoresis
0 Views •
Cited by 3 •
2016
This article describes a simple and rapid protocol to evaluate the oligomeric state of the dynamin-like GTPase MxA protein from lysates of human cells using a combination of non-denaturing PAGE with western blot analysis.
09:36
Recombinant α- β- and γ-Synucleins Stimulate Protein Phosphatase 2A Catalytic Subunit Activity in Cell Free Assays
0 Views •
Cited by 7 •
2017
This publication presents a protocol showing how to measure the activity of recombinant protein phosphatase 2A catalytic subunit (PP2Ac) in response to recombinant α-synuclein, β-synuclein, or γ-synuclein proteins using a simple colorimetric assay. We show findings regarding α-synuclein specificity toward PP2Ac in mouse brain.
08:04
Identification and Classification of Position-specific GABAA Receptor Subunit Missense Variants for Their Role In Hippocampal Pyramidal Neurons
0 Views •
2025
This study introduces a multiscale framework, spanning from DNA to protein function and neural behavior. It presents a novel approach for investigating predicted pathogenic mutations in the GABAA receptor subunit, hypothesizing that epileptogenic mutations and proximal mutations, predicted as pathogenic, may produce similar effects on the CA1 pyramidal neuron model.
FAQs
RNA editing of GluA2 generally limits the receptor’s calcium permeability when that subunit is incorporated. Because calcium entry can vary with subunit composition, GluA2 provides an important molecular control over the ions crossing neuronal membranes during glutamate signaling. This distinction helps explain why changes in subunit composition can alter excitatory synaptic responses.
Trafficking determines how receptors move to or away from synaptic sites, while assembly determines which subunits are combined into functional channels. Changes in either process can alter the number and properties of receptors available at a synapse. Their combined effects help regulate synaptic strength and support activity-dependent changes associated with long-term potentiation and depression.
The relative abundance of GluA1 and GluA2 can influence both receptor behavior and the extent of excitatory signaling at a synapse. A change in synaptic subunit representation may therefore affect ion permeability and receptor availability simultaneously. Examining abundance alongside composition gives a more complete view of how neuronal connections adjust their functional responses.
Composition determines which subunits contribute to a receptor, whereas trafficking changes the receptor population present at the synapse. These variables can influence signaling through different mechanisms, even when they occur within the same plasticity process. Distinguishing them allows researchers to relate altered receptor properties to altered receptor numbers during long-term potentiation or depression.
Research commonly focuses on the subunits’ assembly, RNA editing, trafficking, and synaptic abundance, then relates those features to excitatory transmission. This approach connects molecular changes with functional outcomes at neuronal synapses. It is useful for investigating how receptor regulation contributes to circuit behavior rather than treating synaptic strength as an isolated measurement.
Changes in GluA1 and GluA2 regulation provide a molecular framework for examining learning and memory because receptor abundance and composition contribute to long-term synaptic changes. The same framework applies to neural circuit development and disorders involving altered excitatory signaling. In particular, it helps researchers investigate connections with epilepsy and neurodegenerative disease.