ArticleNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology2025
Changes in nucleus accumbens core translatome accompanying incubation of cocaine craving.
Article in Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Astrocyte reactivity by alcohol dependence in the central amygdala.Brain, behavior, and immunity · 2026Article
- Transcriptional plasticity of ventral tegmental area neurons induced after cessation of chronic cocaine exposure is required for incubation of cocaine seeking.bioRxiv : the preprint server for biology · 2026Article
- Translational evidence for increased central amygdala IL-6 activity in alcohol dependence.Journal of neuroinflammation · 2026Article
- Astrocyte Reactivity by Alcohol Dependence in the Central Amygdala.bioRxiv : the preprint server for biology · 2026Article
- Incubation of oxycodone craving is associated with CP-AMPAR upregulation in D1 and A2a receptor-expressing medium spiny neurons in nucleus accumbens core and shell.Neuropharmacology · 2026Article
- Toward a Genetic Signature of Resistance to Activity-Based Anorexia in Striatal Projecting Cortical Neurons.The International journal of eating disorders · 2025Article
- Alcohol dependence-induced astrocyte immune activation in the nucleus accumbens.Neurobiology of disease · 2025Article
- Biomolecular correlates of incubated sucrose-seeking within ventromedial prefrontal cortex are sex- and subregion-selective.Pharmacology, biochemistry, and behavior · 2025Article
- Alcohol Dependence-Induced Astrocyte Immune Activation in the Nucleus Accumbens.bioRxiv : the preprint server for biology · 2025Article
- Retinoic acid-mediated homeostatic plasticity drives cell type-specific CP-AMPAR accumulation in nucleus accumbens core and incubation of cocaine craving.Molecular psychiatry · 2025Article
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Abstract
In the 'incubation of cocaine craving' model of relapse, rats exhibit progressive intensification (incubation) of cue-induced craving over several weeks of forced abstinence from cocaine self-administration. The expression of incubated craving depends on plasticity of excitatory synaptic transmission in nucleus accumbens core (NAcC) medium spiny neurons (MSN). Previously, we found that the maintenance of this plasticity and the expression of incubation depends on ongoing protein translation, and the regulation of translation is altered after incubation of cocaine craving. Here we used male and female rats that express Cre recombinase in either dopamine D1 receptor- or adenosine 2a (A2a) receptor-expressing MSN to express a GFP-tagged ribosomal subunit in a cell-type specific manner, enabling us to use Translating Ribosome Affinity Purification (TRAP) to isolate actively translating mRNAs from both MSN subtypes for analysis by RNA-seq. We compared rats that self-administered saline or cocaine. Saline rats were assessed on abstinence day (AD) 1, while cocaine rats were assessed on AD1 or AD40-50. For both D1-MSN and A2a-MSN, there were few differentially translated genes between saline and cocaine AD1 groups. In contrast, pronounced differences in the translatome were observed between cocaine rats on AD1 and AD40-50, and this was far more robust in D1-MSN. Notably, all comparisons revealed sex differences in translating mRNAs. Sequencing results were validated by qRT-PCR for several genes of interest. This study, the first to combine TRAP-seq, transgenic rats, and a cocaine self-administration paradigm, identifies translating mRNAs linked to incubation of cocaine craving in D1-MSN and A2a-MSN of the NAcC.
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