2013
DOI: 10.1371/journal.pone.0079318
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High-Frequency Stimulation of Nucleus Accumbens Changes in Dopaminergic Reward Circuit

Abstract: Deep brain stimulation (DBS) of the nucleus accumbens (NAc) is a potential remedial therapy for drug craving and relapse, but the mechanism is poorly understood. We investigated changes in neurotransmitter levels during high frequency stimulation (HFS) of the unilateral NAc on morphine-induced rats. Sixty adult Wistar rats were randomized into five groups: the control group (administration of saline), the morphine-only group (systematic administration of morphine without electrode implantation), the morphine-s… Show more

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Cited by 23 publications
(22 citation statements)
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“…Converging evidence suggests aberrant frontostriatal glutamatergic signaling in OCD (Wu et al, 2012). Moreover, electrophysiological animal work indicates that the efficacy of ventral striatal DBS for OCD may depend on restored glutamatergic OFC control over striatal regions (McCracken et al, 2007;Yan et al, 2013), which might also explain the anti-compulsive effects of glutamatergic agents such as ketamine (Rodriguez et al, 2013). It was recently hypothesized that glutamatergic frontostriatal changes may also be critical for the transition of regular to compulsive drug use (van Huijstee and Mansvelder, 2015) and glutamatergic agents are promising interventions for the treatment of substance-use and gambling disorders (Pettorruso et al, 2014).…”
Section: Glutamatementioning
confidence: 99%
“…Converging evidence suggests aberrant frontostriatal glutamatergic signaling in OCD (Wu et al, 2012). Moreover, electrophysiological animal work indicates that the efficacy of ventral striatal DBS for OCD may depend on restored glutamatergic OFC control over striatal regions (McCracken et al, 2007;Yan et al, 2013), which might also explain the anti-compulsive effects of glutamatergic agents such as ketamine (Rodriguez et al, 2013). It was recently hypothesized that glutamatergic frontostriatal changes may also be critical for the transition of regular to compulsive drug use (van Huijstee and Mansvelder, 2015) and glutamatergic agents are promising interventions for the treatment of substance-use and gambling disorders (Pettorruso et al, 2014).…”
Section: Glutamatementioning
confidence: 99%
“…Also, glutamatergic efferent projections from the amygdala to the NAcore are involved in Pavlovian responding to cue-conditioned and heroin-primed reinstatement of heroin seeking (Fuchs and See, 2002;Jones et al, 2010;Rogers et al, 2008;See et al, 2003). In line with these findings, morphine-induced CPP has been shown to increase glutamate levels in the NA, which were reduced by NAcore DBS (Yan et al, 2013). Additionally, glutamate levels in the ventral pallidum (VP) and the ventral tegmental area (VTA) were reduced, whereas GABA levels in NA, VP and VTA were increased by NAcore DBS, thereby reversing the effects of morphine CPP on glutamate and GABA release (Yan et al, 2013).…”
Section: Mechanism Of Dbsmentioning
confidence: 62%
“…Local perfusion of morphine attenuates on the release of extracellular glutamate and increases GABA release in the NAc [21], whereas chronic morphine treatment (intraperitoneal) increases the extracellular level of glutamate and decreases the GABA release [22]. The alternation of extracellular glutamate and GABA may also occur in our work, which needs further investigation.…”
Section: Activation Of D1 Receptors Inhibits Mor-ltp By the Direct D1mentioning
confidence: 73%