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Galanin: an endogenous anticonvulsant?

A Mazarati1, U Langel, T Bartfai

  • 1Department of Neurology, UCLA School of Medicine and West LA VA Medical Center, Los Angeles, CA 90073, USA. mazarati@ucla.edu

The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry
|January 5, 2002
PubMed
Summary

Galanin, a peptide regulating various functions, shows potent anticonvulsant effects. Studies in animal epilepsy models demonstrate galanin

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Epilepsy Research

Background:

  • Galanin is a neuroendocrine peptide implicated in feeding, pain, learning, and memory.
  • Galanin's antagonism of glutamatergic neurotransmission in the hippocampus suggests potential antiepileptic properties.

Purpose of the Study:

  • To summarize evidence on galanin's effects on seizure activity in animal epilepsy models.
  • To explore the potential of galanin as an antiepileptic agent.

Main Methods:

  • Review of pharmacological and molecular biological data from animal epilepsy models.
  • Analysis of studies using galanin receptor agonists and antagonists.
  • Examination of seizure resistance in genetically engineered mice with altered galanin gene expression.

Main Results:

  • Pharmacological evidence indicates potent anticonvulsant effects of galanin.
  • Administration of galanin receptor agonists reduced seizure activity.
  • Galanin receptor antagonists exacerbated seizures.
  • Genetically modified mice exhibited altered seizure resistance correlating with galanin gene expression.

Conclusions:

  • Galanin exhibits significant anticonvulsant properties, supported by pharmacological and genetic evidence.
  • Potential mechanisms include modulation of hippocampal synaptic potentiation and glutamate release.
  • Galanin represents a promising therapeutic target for epilepsy treatment.

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