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Related Concept Videos

Assembly of Signaling Complexes01:30

Assembly of Signaling Complexes

Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
Interaction domains in cell signaling
Interaction domains recognize exposed features of their binding partners containing post-translationally modified sequences,...
Assembly of Complex Microtubule Structures01:32

Assembly of Complex Microtubule Structures

Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker proteins that...
Assembly of Cytoskeletal Filaments01:18

Assembly of Cytoskeletal Filaments

Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate with other similar filaments to form rigid structures. Microfilaments, made of actin monomers, rely on actin-binding proteins to form bundles and create networks of individual actin filaments. Microtubules rely on microtubule-associated proteins (MAPs) to form sturdy cylindrical structures. However, the proteins involved in forming complex...
Adaptability of Cytoskeletal Filaments01:12

Adaptability of Cytoskeletal Filaments

The cytoskeleton is a complex dynamic structure performing varied functions based on cellular requirements. The adaptability of the individual filaments in the cytoskeleton determines their ability to perform various functions within the cell. It can undergo rapid reorganization during processes like cell division or remain stable for several hours as in the interphase. The adaptability of these filaments depends on stringent regulatory mechanisms. The microfilament and microtubules of the...
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...

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Related Experiment Video

Updated: Jun 28, 2026

An Optical Assay for Synaptic Vesicle Recycling in Cultured Neurons Overexpressing Presynaptic Proteins
09:33

An Optical Assay for Synaptic Vesicle Recycling in Cultured Neurons Overexpressing Presynaptic Proteins

Published on: June 26, 2018

The dynamics of synaptic scaffolds.

Christian G Specht1, Antoine Triller

  • 1Inserm U789, Biologie Cellulaire de la Synapse, Ecole Normale Supérieure ENS, Paris, France.

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|October 22, 2008
PubMed
Summary

Synaptic scaffolds, composed of adaptor proteins, are crucial for stable synaptic transmission and the dynamic regulation of learning and memory. Their rapid protein exchange ensures synaptic plasticity.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Molecular Biology

Background:

  • Complex brain functions like learning and memory depend on synaptic transmission.
  • Synaptic transmission involves ion channels, neurotransmitter receptors, and synaptic vesicles.
  • Synaptic scaffolds, made of adaptor proteins, organize these components at the synapse.

Purpose of the Study:

  • To review the dynamics of synaptic scaffolds and adaptor proteins.
  • To explore their roles in synapse organization, receptor clustering, and trafficking.

Main Methods:

  • Literature review of studies on synaptic scaffolds and adaptor proteins.
  • Analysis of protein dynamics at the synapse.
  • Examination of receptor trafficking mechanisms.

More Related Videos

3D Modeling of Dendritic Spines with Synaptic Plasticity
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3D Modeling of Dendritic Spines with Synaptic Plasticity

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Presynapse Formation Assay Using Presynapse Organizer Beads and &ldquo;Neuron Ball&rdquo; Culture
10:17

Presynapse Formation Assay Using Presynapse Organizer Beads and “Neuron Ball” Culture

Published on: August 2, 2019

Related Experiment Videos

Last Updated: Jun 28, 2026

An Optical Assay for Synaptic Vesicle Recycling in Cultured Neurons Overexpressing Presynaptic Proteins
09:33

An Optical Assay for Synaptic Vesicle Recycling in Cultured Neurons Overexpressing Presynaptic Proteins

Published on: June 26, 2018

3D Modeling of Dendritic Spines with Synaptic Plasticity
07:13

3D Modeling of Dendritic Spines with Synaptic Plasticity

Published on: May 18, 2020

Presynapse Formation Assay Using Presynapse Organizer Beads and &ldquo;Neuron Ball&rdquo; Culture
10:17

Presynapse Formation Assay Using Presynapse Organizer Beads and “Neuron Ball” Culture

Published on: August 2, 2019

Main Results:

  • Synaptic scaffolds are relatively stable but contain rapidly exchanging adaptor proteins.
  • These dynamics allow for stable synaptic transmission and modulation of synaptic strength.
  • Adaptor proteins are key to organizing and trafficking receptor proteins.

Conclusions:

  • The dynamic nature of synaptic scaffolds is essential for synaptic plasticity.
  • Understanding these dynamics is crucial for comprehending learning and memory processes.
  • Targeting scaffold protein dynamics may offer therapeutic strategies for neurological disorders.