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Astroglial nuclear factor-kappa B regulates learning and memory and synaptic plasticity in female mice
Journal article   Peer reviewed

Astroglial nuclear factor-kappa B regulates learning and memory and synaptic plasticity in female mice

Valerie Bracchi-Ricard, Roberta Brambilla, Jonathan Levenson, Wen-Hui Hu, Annmarie Bramwell, David Sweatt, Edward J. Green and John R. Bethea
Journal of neurochemistry, v 104(3), pp 611-623
01 Feb 2008
PMID: 17953667

Abstract

Biochemistry & Molecular Biology Life Sciences & Biomedicine Neurosciences Neurosciences & Neurology Science & Technology
Astrocytes play a pivotal role in regulating synaptic plasticity and synapse formation. The nuclear factor-kappa B (NF-kappa B) family of transcription factors has recently been demonstrated to be an important modulator of synaptic plasticity and learning/memory. In this study, we investigated the role of astroglial NF-kappa B in synaptic plasticity and learning/memory using transgenic mice over-expressing an N-terminal truncated form of inhibitor of NF-kappa B alpha (I kappa B alpha) in astrocytes (GFAP-I kappa Beta alpha-dn). We demonstrated that female transgenic mice, but not males, have robust deficits in hippocampal and extra-hippocampal-dependent learning and memory. We also determined that there are significant deficits in LTP and expression of metabotropic glutamate receptor 5 and post-synaptic density protein 95 (PSD95) in female transgenic mice. These findings indicate that astroglial NF-kappa B is an important regulator of learning/memory and synaptic plasticity.

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Collaboration types
Domestic collaboration
Web of Science research areas
Biochemistry & Molecular Biology
Neurosciences
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