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Age-dependent regulation of axoglial interactions and behavior by oligodendrocyte AnkyrinG

ABSTRACT: Age-dependent regulation of axoglial interactions and behavior by oligodendrocyte AnkyrinG

PROVIDER: PRJNA1098024 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR28597864_1.fastq.gz	Fastqsanger.gz
	SRR28597864_2.fastq.gz	Fastqsanger.gz
	SRR28597865_1.fastq.gz	Fastqsanger.gz
	SRR28597865_2.fastq.gz	Fastqsanger.gz
	SRR28597866_1.fastq.gz	Fastqsanger.gz

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Age-dependent regulation of axoglial interactions and behavior by oligodendrocyte AnkyrinG

Project description:The bipolar disorder (BD) risk gene ANK3 encodes the scaffolding protein AnkyrinG(AnkG). In neurons, AnkG regulates polarity and ion channel clustering at axon initial segments and nodes of Ranvier. Disruption of neuronal AnkG causes BD-like phenotypes in mice. During development, AnkG is also expressed at comparable levels in oligodendrocytes and facilitates the efficient assembly of paranodal junctions. However, the physiological roles of glial AnkG in the mature nervous system, and its contributions to BD-like phenotypes, remain unexplored. Here, we generated oligodendroglia-specific AnkG conditional knockout mice and observed the destabilization of axoglial interactions in aged but not young adult mice. In addition, these mice exhibited profound histological, electrophysiological, and behavioral pathophysiologies. Unbiased translatomic profiling revealed potential compensatory machineries. These results highlight the critical functions of glial AnkG in maintaining proper axoglial interactions throughout aging and suggests a previously unrecognized contribution of glial AnkG to neuropsychiatric disorders.

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