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• W2969853844 endingPage "125" @default.
• W2969853844 startingPage "115" @default.
• W2969853844 abstract "Cocaine use disorder (CUD) remains difficult to treat with no FDA-approved medications to reduce relapse. Antagonism of metabotropic glutamate receptor 5 (mGlu5) has been demonstrated to decrease cocaine-seeking but may also further compromise cognitive function in long-term cocaine users. Here we assessed the effect of repeated administration of negative or positive allosteric modulators (NAM or PAM) of mGlu5 on both cognitive performance and (context+cue)-primed cocaine-seeking after prolonged abstinence (≥ 45 days). Adult male Sprague-Dawley rats underwent 6 days of short-access (1 h/day) and 12 days of long-access (6 h/day) cocaine self-administration. Rats were then trained and tested in a delayed match-to-sample (DMS) task to establish baseline working memory performance over a 5-day block of testing. Next, rats received daily systemic administration of the mGlu5 NAM 3-((2-methyl-1,3-thiazol-4-yl)ethynyl)pyridine hydrochloride (MTEP; 3 mg/kg), the mGlu5 PAM 3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamide (CDPPB; 30 mg/kg) or vehicle prior to DMS testing during a block of 5 days, followed by a 5-day washout DMS testing block. MTEP and CDPPB decreased drug-seeking in response to cocaine-associated cues after prolonged abstinence. However, repeated treatment with MTEP impaired working memory, while CDPPB had no effects on performance. These results emphasize the relevance of evaluating cognitive function within the context of investigating pharmacotherapies to treat CUD. Further research is needed to determine how two mechanistically different pharmacological compounds can exert the same behavioral effects to reduce cocaine-seeking." @default.
• W2969853844 created "2019-08-29" @default.
• W2969853844 creator A5049320885 @default.
• W2969853844 creator A5050953692 @default.
• W2969853844 date "2019-08-24" @default.
• W2969853844 modified "2023-10-02" @default.
• W2969853844 title "The cognitive cost of reducing relapse to cocaine-seeking with mGlu5 allosteric modulators" @default.
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• W2969853844 doi "https://doi.org/10.1007/s00213-019-05351-8" @default.
• W2969853844 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31446451" @default.
• W2969853844 hasPublicationYear "2019" @default.
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