Acute Amino Acid d -Serine Administration, Similar to Ketamine, Produces Antidepressant-like Effects through Identical Mechanisms

I. Hua Wei, Kuang Ti Chen, Mang Hung Tsai, Ching Hsiang Wu, Hsien Yuan Lane, Chih Chia Huang

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

d-Serine is an amino acid and can work as an agonist at the glycine sites of N-methyl-d-aspartate receptor (NMDAR). Interestingly, both types of glutamatergic modulators, NMDAR enhancers and blockers, can improve depression through common targets, namely alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionaic acid receptors (AMPARs) and mammalian target of rapamycin (mTOR). To elucidate the cellular signaling pathway underlying this counterintuitive observation, we activated NMDARs in rats by using d-serine. Saline, ketamine (NMDAR antagonist), and desipramine (tricyclic antidepressant) were used as controls. The antidepressant-like effects of all agents were evaluated using the forced swim test. The activation of the AMPAR-mTOR signaling pathway, release of brain-derived neurotrophic factor (BDNF), and alteration of AMPAR and NMDAR trafficking in the hippocampus of rats were examined. A single high dose of d-serine exerted an antidepressant-like effect that was mediated by rapid AMPAR-induced mTOR signaling pathway and increased BDNF proteins, identical to that of ketamine. Furthermore, in addition to the increased protein kinase A phosphorylation of the AMPAR subunit GluR1 (an indicator of AMPAR insertion in neurons), treatment with individual optimal doses of d-serine and ketamine also increased adaptin β2-NMDAR association (an indicator of the intracellular endocytic machinery and subsequent internalization of NMDARs). Desipramine did not influence these processes. Our study is the first to demonstrate an association between d-serine and ketamine; following adaptative regulation of AMPAR and NMDAR may lead to common changes of them. These findings provide novel targets for safer antidepressant agents with mechanisms similar to those of ketamine.

Original languageEnglish
Pages (from-to)10792-10803
Number of pages12
JournalJournal of Agricultural and Food Chemistry
Volume65
Issue number49
DOIs
Publication statusPublished - Dec 13 2017

Fingerprint

antidepressants
Ketamine
ketamine
serine
Serine
Antidepressive Agents
Amino Acids
receptors
amino acids
Acids
aspartic acid
Sirolimus
Desipramine
Brain-Derived Neurotrophic Factor
acids
Rats
Association reactions
Sarcosine
Cell signaling
neurotrophins

Keywords

  • amino acid
  • AMPA
  • d -serine
  • depression
  • ketamine
  • NMDA
  • trafficking

ASJC Scopus subject areas

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Cite this

Acute Amino Acid d -Serine Administration, Similar to Ketamine, Produces Antidepressant-like Effects through Identical Mechanisms. / Wei, I. Hua; Chen, Kuang Ti; Tsai, Mang Hung; Wu, Ching Hsiang; Lane, Hsien Yuan; Huang, Chih Chia.

In: Journal of Agricultural and Food Chemistry, Vol. 65, No. 49, 13.12.2017, p. 10792-10803.

Research output: Contribution to journalArticle

Wei, I. Hua ; Chen, Kuang Ti ; Tsai, Mang Hung ; Wu, Ching Hsiang ; Lane, Hsien Yuan ; Huang, Chih Chia. / Acute Amino Acid d -Serine Administration, Similar to Ketamine, Produces Antidepressant-like Effects through Identical Mechanisms. In: Journal of Agricultural and Food Chemistry. 2017 ; Vol. 65, No. 49. pp. 10792-10803.
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