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Repeated administration of the psychostimulant cocaine has been shown to produce persistent alterations in genome-wide transcriptional regulatory networks, chromatin remodeling activity and, ultimately, gene expression profiles in the brain’s reward circuitry. Virtually all previous investigations h...
ORGANISM(S): Mus musculus 
ATP-dependent chromatin remodeling proteins are being implicated increasingly in the regulation of complex behaviors, including models of several psychiatric disorders. Here, we demonstrate that Baz1b, an accessory subunit of the ISWI family of chromatin remodeling complexes, is upregulated in the n...
ORGANISM(S): Mus musculus 
Despite addiction being one of the most prevalent and debilitating disorders worldwide, effective treatments are lacking. Repeated cocaine exposure induces maladaptive transcriptional regulation within the brainâ??s reward circuitry, such as the nucleus accumbens (NAc), and epigenetic mechanisms, su...
ORGANISM(S): Mus musculus 
Many of the long-term effects of cocaine on the brain's reward circuitry have been shown to be mediated by alterations in gene expression. Several chromatin modifications, including histone acetylation and methylation, have been implicated in this regulation, but the effect of other histone modifica...
ORGANISM(S): Mus musculus 
Here we show that ?-catenin mediates pro-resilient and anxiolytic effects in mice in the nucleus accumbens (NAc), a key brain reward region, an effect that is mediated by ?-catenin signaling in D2-type medium spiny neurons (MSNs) specifically. Conversely, blocking ?-catenin function in NAc promotes...
ORGANISM(S): Mus musculus 
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