ArticleAlcohol (Fayetteville, N.Y.)2018
Effects of group II metabotropic glutamate receptor modulation on ethanol- and sucrose-seeking and consumption in the rat.
Article in Alcohol (Fayetteville, N.Y.), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 26 citations in OpenAlex.
- Ethanol Self-Administration Reduces mGlu2/3 Protein Expression in the Nucleus Accumbens and mGlu2/3 Activation Suppresses Binge Drinking in Male Mice.Alcohol, clinical & experimental research · 2026Article
- Procedural separation of appetitive and consummatory behaviors in operant ethanol self-administration: A review and open-source analytical framework.Alcohol, clinical & experimental research · 2026Review
- mGlu2 Receptors in the Basal Ganglia: A New Frontier in Addiction Therapy.Frontiers in bioscience (Landmark edition) · 2025Review
- Alcohol use disorder and body mass index show genetic pleiotropy and shared neural associations.Nature human behaviour · 2025Article
- Evaluating the impact of concurrent sucrose availability on operant ethanol self-administration in male and female Long Evans rats.Addiction neuroscience · 2025Article
- Epigenetic drugs and psychedelics as emerging therapies for alcohol use disorder: insights from preclinical studies.Journal of neural transmission (Vienna, Austria : 1996) · 2024Review
- Inefficacy of N-acetylcysteine in mitigating cue-induced amphetamine-seeking.Addiction neuroscience · 2023Article
- Advances in translating mGluPharmacology, biochemistry, and behavior · 2022Review
- Effects of acute lysergic acid diethylamide on intermittent ethanol and sucrose drinking and intracranial self-stimulation in C57BL/6 mice.Journal of psychopharmacology (Oxford, England) · 2022Article
- Diet-induced deficits in goal-directed control are rescued by agonism of group II metabotropic glutamate receptors in the dorsomedial striatum.Translational psychiatry · 2022Article
- Ceftriaxone as a Novel Therapeutic Agent for Hyperglutamatergic States: Bridging the Gap Between Preclinical Results and Clinical Translation.Frontiers in neuroscience · 2022Review
- Ceftriaxone Suppresses Group II Metabotropic Glutamate Receptor Expression Contributing to Reversal of Recognition Memory Deficits of Amyloid Precursor Protein/Presenilin 1 AD Mice.Frontiers in neuroscience · 2022Article
- Age-dependent impairment of metabotropic glutamate receptor 2-dependent long-term depression in the mouse striatum by chronic ethanol exposure.Alcohol (Fayetteville, N.Y.) · 2020Article
- Allosteric modulation of metabotropic glutamate receptors in alcohol use disorder: Insights from preclinical investigations.Advances in pharmacology (San Diego, Calif.) · 2020Review
- The Toll-Like Receptor 3 Agonist Poly(I:C) Induces Rapid and Lasting Changes in Gene Expression Related to Glutamatergic Function and Increases Ethanol Self-Administration in Rats.Alcoholism, clinical and experimental research · 2019Article
- Metabotropic Glutamate Receptors in Alcohol Use Disorder: Physiology, Plasticity, and Promising Pharmacotherapies.ACS chemical neuroscience · 2018Article
- LSD Administered as a Single Dose Reduces Alcohol Consumption in C57BL/6J Mice.Frontiers in pharmacology · 2018Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Previous studies suggest that group II metabotropic glutamate receptors (mGluR2/3) are involved in regulating ethanol-seeking and consumption. The mGluR2/3 agonist LY379268 (LY37) and selective mGluR2 positive allosteric modulator biphenyl‑indanone A (BINA) were used to investigate the relative contribution of mGlu2 and mGlu3 receptors on ethanol- and sucrose-seeking and consumption. A microinjection study was then performed to examine the role of nucleus accumbens (NAc) core mGluR2/3 on ethanol-seeking. For the systemic experiments, separate groups of male Wistar rats [LY37 (0-2.0 mg/kg); BINA (0-20 mg/kg)] were trained to complete a response requirement (RR) resulting in access to 10% ethanol or 2% sucrose (in separate groups) for a 20‑min drinking period. Animals then underwent consummatory testing (weekly drug injections with RR1) followed by appetitive testing (weekly drug injections followed by extinction session). A separate group of male Wistar rats was surgically implanted with bilateral guide cannulae directed toward the NAc core and had weekly microinjections followed by an extinction session. Systemic administration of the mGluR2/3 agonist LY37 significantly reduced ethanol- and sucrose-seeking. The same treatment also reduced sucrose consumption and body weight (24‑h post injection). Systemic administration of the selective mGluR2 PAM BINA, however, had no effect on either seeking or consumption of ethanol or sucrose. Intra-accumbens core LY37 significantly reduced ethanol-seeking. These findings suggest that systemic mGluR2/3 agonism, but not allosteric modulation of mGluR2, reduces reinforcer-seeking. In particular, NAc core group II mGluR may be involved in regulating ethanol-seeking.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.