Contribution of astrocytes to hippocampal long-term potentiation through release of D-serine

Yunlei Yang, Wooping Ge, Yiren Chen, Zhijun Zhang, Wanhua Shen, Chienping Wu, Muming Poo, Shumin Duan

Research output: Contribution to journalArticle

370 Citations (Scopus)

Abstract

Repetitive correlated activation of pre- and postsynaptic neurons induced long-term potentiation (LTP) of synaptic transmission among hippocampal neurons grown on a layer of astrocytes (mixed cultures) but not among neurons cultured in glial conditioned medium. Supplement of D-serine, an agonist for the glycine-binding site of N-methyl-D-aspartate (NMDA) receptors, enhanced NMDA receptor activation and enabled LTP induction in glial conditioned medium cultures. The induction of LTP in both mixed cultures and hippocampal slices was suppressed by NMDA receptor antagonists, glycine-binding-site blockers of NMDA receptors, or an enzyme that degrades endogenous D-serine. By providing extracellular D-serine that facilitates activation of NMDA receptors, astrocytes thus play a key role in long-term synaptic plasticity.

Original languageEnglish (US)
Pages (from-to)15194-15199
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume100
Issue number25
DOIs
StatePublished - Dec 9 2003

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Long-Term Potentiation
N-Methyl-D-Aspartate Receptors
Astrocytes
Serine
Conditioned Culture Medium
Neurons
Neuroglia
Glycine
Binding Sites
Neuronal Plasticity
Synaptic Transmission
Enzymes

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Contribution of astrocytes to hippocampal long-term potentiation through release of D-serine. / Yang, Yunlei; Ge, Wooping; Chen, Yiren; Zhang, Zhijun; Shen, Wanhua; Wu, Chienping; Poo, Muming; Duan, Shumin.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 100, No. 25, 09.12.2003, p. 15194-15199.

Research output: Contribution to journalArticle

Yang, Yunlei ; Ge, Wooping ; Chen, Yiren ; Zhang, Zhijun ; Shen, Wanhua ; Wu, Chienping ; Poo, Muming ; Duan, Shumin. / Contribution of astrocytes to hippocampal long-term potentiation through release of D-serine. In: Proceedings of the National Academy of Sciences of the United States of America. 2003 ; Vol. 100, No. 25. pp. 15194-15199.
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