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Glial transcriptome responses to chronic intermittent ethanol exposure

ABSTRACT: Glial transcriptome responses to chronic intermittent ethanol exposure

PROVIDER: PRJNA528097 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8753770_1.fastq.gz	Fastqsanger.gz
	SRR8753770_2.fastq.gz	Fastqsanger.gz
	SRR8753780_1.fastq.gz	Fastqsanger.gz
	SRR8753780_2.fastq.gz	Fastqsanger.gz
	SRR8753790_1.fastq.gz	Fastqsanger.gz

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Project description:Despite recent extensive genomic and genetic studies on behavioral responses to ethanol, relatively few new therapeutic targets for the treatment of alcohol use disorder have been validated. Here we describe a cross-species genomic approach focused on identifying gene networks associated with chronic ethanol consumption. To identify brain mechanisms underlying a chronic ethanol consumption phenotype highly relevant to human alcohol use disorder, and to elucidate potential future therapeutic targets, we conducted a genomic study in a nonhuman primate model of chronic open-access ethanol consumption. Microarray analysis of RNA expression in anterior cingulate and subgenual cortices from rhesus macaques was performed across multiple cohorts of animals. Gene networks correlating with ethanol consumption or showing enrichment for ethanol-regulated genes were identified, as were major ethanol-related hub genes within these networks. A subsequent consensus module analysis was used to co-analyze monkey data with expression data from a chronic intermittent ethanol vapor-exposure and consumption model in C57BL/6J mice. Ethanol-related gene networks conserved between primates and rodents were enriched for genes involved discrete biological functions, including; myelination, synaptic transmission, chromatin modification, Golgi apparatus function, translation, cellular respiration, and RNA processing. The myelin-related network, in particular, showed strong correlations with ethanol consumption behavior and displayed marked network reorganization between control and ethanol-drinking animals. Further bioinformatics analysis revealed that these networks also showed highly significant overlap with other ethanol-regulated gene sets. Altogether, these studies provide robust primate and rodent cross-species validation of gene networks associated with chronic ethanol consumption. Our results also suggest potential novel focal points for future therapeutic interventions in alcohol use disorder.

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Glial transcriptome responses to chronic intermittent ethanol exposure

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