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Related Concept Videos

Structure of Cadherins01:25

Structure of Cadherins

The cadherins were one of the first cell adhesion molecules discovered; the term “cadherins”   is based on their calcium-dependent adhering properties. The first cadherins discovered on the epithelial, neuronal, and placental cells were named E-cadherin, P-cadherin, and N-cadherin, respectively. These classical cadherins share sequence and structural similarities. Other cadherins, including those involved in cell signaling, are grouped into non-classical cadherins. This diversity of cadherins...
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The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
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Related Experiment Video

Updated: Jun 13, 2026

Bead Aggregation Assays for the Characterization of Putative Cell Adhesion Molecules
08:15

Bead Aggregation Assays for the Characterization of Putative Cell Adhesion Molecules

Published on: October 17, 2014

N-cadherin: stabilizing synapses.

Jyothi Arikkath1

  • 1Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA. jyothi.arikkath@ucsf.edu

The Journal of Cell Biology
|May 5, 2010
PubMed
Summary

This study explores how N-cadherin helps stabilize spines in central neurons. Spines are structures where synapses form, and their stability is linked to learning and memory. The researchers found that N-cadherin is essential for maintaining spine stability, especially in response to neuronal activity. They used live-cell imaging and molecular techniques to observe spine dynamics. The results suggest that N-cadherin mediates spine stabilization, offering a new mechanism for how spines are regulated. These findings could provide insight into synaptic plasticity and memory formation.

Keywords:
N-cadherinspine dynamicssynaptic plasticityneuronal activity

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Published on: August 2, 2019

Area of Science:

  • Neuroscience
  • Cell Adhesion Biology
  • Synaptic Plasticity Research

Background:

Excitatory synapses form at dendritic spines in central neurons. Spine structure and function are thought to influence learning and memory processes. Prior research has shown that spine dynamics are linked to synaptic plasticity and memory formation. However, the mechanisms by which activity stabilizes spines remain unclear. No prior work had resolved the role of specific adhesion molecules in this process. This gap motivated the current investigation into how spine dynamics are regulated. Researchers sought to determine if N-cadherin contributes to spine stabilization. The study aimed to explore the role of N-cadherin in activity-dependent spine regulation.

Purpose Of The Study:

The study aimed to investigate the role of N-cadherin in spine stabilization. Researchers focused on how activity influences spine dynamics in central neurons. The goal was to identify a new mechanism for spine regulation. They hypothesized that N-cadherin might mediate spine stability. The study sought to determine if N-cadherin is required for spine maintenance. They tested the hypothesis using molecular and cellular techniques. The research aimed to clarify the relationship between N-cadherin and spine dynamics. The findings could provide insight into synaptic plasticity mechanisms.

Main Methods:

The researchers used a combination of molecular and imaging techniques. They examined N-cadherin expression in central neurons. The study involved manipulating N-cadherin levels in cultured neurons. They used live-cell imaging to observe spine dynamics. The team analyzed spine morphology and stability. They tested the effects of activity on spine structure. The study included pharmacological and genetic approaches. The researchers assessed spine turnover and stabilization.

Main Results:

N-cadherin was found to be essential for spine stabilization. The study showed that N-cadherin levels correlate with spine stability. Spines were less stable when N-cadherin was reduced. Activity increased N-cadherin expression at synapses. The results suggest that N-cadherin mediates activity-dependent spine stabilization. The findings indicate that N-cadherin contributes to spine dynamics. The study revealed a new mechanism for spine regulation. These results support a role for N-cadherin in synaptic plasticity.

Conclusions:

The authors propose that N-cadherin stabilizes spines in response to activity. The findings suggest that N-cadherin is a key player in spine dynamics. The study supports a role for N-cadherin in synaptic plasticity. The results indicate that N-cadherin contributes to spine stability. The authors suggest that N-cadherin is involved in activity-dependent spine regulation. The findings provide new insight into spine stabilization mechanisms. The study highlights the importance of cell adhesion molecules in synaptic function. These results may inform future research on synaptic plasticity.

The authors suggest that N-cadherin mediates spine stabilization in response to neuronal activity.

The study used live-cell imaging to observe spine morphology and stability in cultured neurons.

The findings suggest that N-cadherin is required for activity-dependent spine maintenance.

Activity increases N-cadherin expression, which stabilizes spines in central neurons.

The study measured spine turnover and stability using live-cell imaging techniques.

The authors propose that N-cadherin contributes to activity-dependent spine regulation.