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Related Concept Videos

Catenins01:23

Catenins

Catenins are characterized by multiple binding domains and dynamic structures that allow them to function as linker proteins in cell junction complexes. All catenins, except α-catenin, contain a characteristic protein sequence called the armadillo repeat and are therefore also called armadillo proteins.
Catenins in Cell Junctions
Catenins bind to cell adhesion molecules such as cadherins and link them to different cytoskeletal proteins depending on the type of cell junction. At the adherens...

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Related Experiment Video

Updated: May 18, 2026

Preparation of Acute Slices from Dorsal Hippocampus for Whole-Cell Recording and Neuronal Reconstruction in the Dentate Gyrus of Adult Mice
10:45

Preparation of Acute Slices from Dorsal Hippocampus for Whole-Cell Recording and Neuronal Reconstruction in the Dentate Gyrus of Adult Mice

Published on: April 3, 2021

Pten-less dentate granule cells make fits.

Alison L Althaus1, Jack M Parent

  • 1Department of Neurology and Neuroscience Graduate Program, University of Michigan Medical Center, Ann Arbor, MI 48109, USA.

Neuron
|September 25, 2012
PubMed
Summary

Abnormalities in hippocampal dentate granule cells (DGCs) can cause temporal lobe epilepsy. Researchers demonstrated that altering DGCs alone is enough to induce epilepsy in rodents.

Area of Science:

  • Neuroscience
  • Epilepsy Research

Background:

  • Hippocampal dentate granule cell (DGC) abnormalities are implicated in temporal lobe epilepsy (TLE).
  • The exact role of DGCs in TLE pathogenesis remains unclear due to confounding pathological changes.

Purpose of the Study:

  • To determine if DGC abnormalities alone can cause epilepsy.
  • To isolate the contribution of DGCs to epilepsy development.

Main Methods:

  • Inducing proexcitatory changes in a specific subset of DGCs in a rodent model.
  • Observing the resulting neurological and behavioral changes.

Main Results:

  • Inducing proexcitatory changes in DGCs was sufficient to cause epilepsy.
  • This study provides the first evidence dissociating DGC contribution to epilepsy.

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Last Updated: May 18, 2026

Preparation of Acute Slices from Dorsal Hippocampus for Whole-Cell Recording and Neuronal Reconstruction in the Dentate Gyrus of Adult Mice
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Utilizing In Vivo Postnatal Electroporation to Study Cerebellar Granule Neuron Morphology and Synapse Development

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In Vivo Calcium Imaging of Granule Cells in the Dentate Gyrus of Hippocampus in Mice

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Conclusions:

  • DGC abnormalities are a sufficient cause of epilepsy.
  • Targeting DGCs may offer new therapeutic strategies for temporal lobe epilepsy.