Cited by 25Neurotransmitter Receptor Influence on BehaviorSubstance Abuse Treatment and OutcomesMemory and Neural Mechanisms

D-serine treatment reduces cocaine-primed reinstatement in rats following extended access to cocaine self-administration

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Kelamangalath, L., Wagner, J.J.·2010·Neuroscience

Abstract

The most intractable feature of drug addiction is the high rate of relapse, even following extended periods of abstinence from drug-taking. Evidence suggests that allowing rats extended access to cocaine self-administration leads to behavioral characteristics in these animals that are consistent with the development of addiction in humans. In the current study, rats were allowed to self-administer cocaine over a total of 22 daily sessions, the final seven of which were long-access (LgA) sessions of 6 h duration. Assessments of reinstatement of drug-seeking behavior were made following reintroduction to the drug-taking environment and noncontingent priming with either conditioned stimulus (CS) or cocaine in both extinguished and abstinent subject groups. Three separate groups of rats were treated with either saline or D-serine (100 mg/kg i.p.) administered 2 h prior to, or immediately following, each extinction training session. Saline-treated LgA rats were resistant to the effects of extinction training to reduce noncontingent priming of reinstatement of drug-seeking behavior with either CS or cocaine. In contrast, treatment with D-serine either before or immediately following the sessions resulted in a significant enhancement in the ability of extinction training to reduce cocaine-primed reinstatement of drug-seeking behavior. These results suggest that D-serine can act to enhance the consolidation of extinction learning in LgA rats, and is therefore a promising adjunctive agent along with behavioral therapy for the treatment of cocaine addiction.

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Crossref · 10.1016/j.neuroscience.2010.06.006

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  • Exogenous D-serine treatment reverts impaired plasticity and reduces behavioral manifestations associated with cocaine addiction, including cocaine-induced place preference, reinstatement of cocaine self-administration, and locomotor sensitization to cocaine.

    “In keeping, exogenous D-serine treatment reverts the impaired plasticity and reduces a number of behavioral manifestations associated to cocaine addiction, including cocaine-induced place preference 121, 122 , reinstatement of cocaine self-administration (relapse) 123 and locomotor sensitization to cocaine 120, 121 .”

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Authors
Kelamangalath, L., & Wagner, J. J.
Affiliations
University of Georgia (US)
Venue
Neuroscience
Publisher
Elsevier BV
Published
2010-09
Volume
169
Issue
3
Pages
1127-1135
ISSN
0306-4522 (ISSN-L)
OpenAlex
W2025192741
Cited by
25
References
35
Citations by year
2026: 1 · 2022: 1 · 2020: 1 · 2019: 1 · 2017: 3 · 2016: 2 · 2015: 6 · 2014: 3 · 2013: 3 · 2012: 1
FWCI
0.90
Type
journal article
Language
en
Open access
Locations
  • Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health National Institute on Drug Abuse (DA016302)
  • University of Georgia Interdisciplinary Toxicology Program
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
D-serine, cocaine self-administration, extended access, reinstatement, extinction training, extinction consolidation, conditioned stimulus, relapse, drug addiction treatment, glutamate modulators
MeSH terms
Central Nervous System Stimulants, Animals, Cocaine, Extinction, Psychological, Male, Recurrence, Self Administration, Serine, Stereoisomerism, Time Factors, Rats, Sprague-Dawley, Cocaine-Related Disorders, Rats, Drug-Seeking Behavior

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