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Neuronal development in NEIL3-deficient mice (hippocampus) [CA3]

ABSTRACT: Neuronal development in NEIL3-deficient mice (hippocampus) [CA3]

PROVIDER: PRJNA732771 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14648821.fastq.gz	Fastqsanger.gz
	SRR14648822.fastq.gz	Fastqsanger.gz
	SRR14648823.fastq.gz	Fastqsanger.gz
	SRR14648824.fastq.gz	Fastqsanger.gz
	SRR14648825.fastq.gz	Fastqsanger.gz

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Neuronal development in NEIL3-deficient mice (hippocampus) [CA3]

Project description:brain tissue from CA3 subregion of the hippocampal formation was isolated at postnatal day 8 and at an adult age (3-6months old animals) in wildtype and NEIL3-deficient mice (n=4 at p8 and n=3 at adult age). NEILs are DNA glycosylases potentially involved in transcription regulation and hippocampal neuronal maturation. RNA was extracted and sequenced.

2021-11-25 | GSE175359 | GEO

Neuronal development in NEIL3-deficient mice (hippocampus)

Project description:brain tissue from all subregions (CA1, CA3, dentate gyrus) of the hippocampal formation was isolated at postnatal day 8 and at an adult age (3-6months old animals) in wildtype and NEIL3-deficient mice (n=4 at p8 and n=3 at adult age). NEILs are DNA glycosylases potentially involved in transcription regulation and hippocampal neuronal maturation. RNA was extracted and sequenced.

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Neuronal development in NEIL3-deficient mice (hippocampus)

Project description:Neuronal development in NEIL3-deficient mice (hippocampus)

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Neuronal development in NEIL3-deficient mice (hippocampus) [CA1]

Project description:Neuronal development in NEIL3-deficient mice (hippocampus) [CA1]

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neuronal development in NEIL3-deficient mice (hippocampus) [DG]

Project description:neuronal development in NEIL3-deficient mice (hippocampus) [DG]

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neuronal development in NEIL3-deficient mice (hippocampus) [DG]

Project description:brain tissue from Dentate Gyrus subregion of the hippocampal formation was isolated at postnatal day 8 and at an adult age (3-6months old animals) in wildtype and NEIL3-deficient mice (n=4 at p8 and n=3 at adult age). NEILs are DNA glycosylases potentially involved in transcription regulation and hippocampal neuronal maturation. RNA was extracted and sequenced.

2021-11-25 | GSE175360 | GEO

Neuronal development in NEIL3-deficient mice (hippocampus) [CA1]

Project description:brain tissue from CA1 subregion of the hippocampal formation was isolated at postnatal day 8 and at an adult age (3-6months old animals) in wildtype and NEIL3-deficient mice (n=4 at p8 and n=3 at adult age). NEILs are DNA glycosylases potentially involved in transcription regulation and hippocampal neuronal maturation. RNA was extracted and sequenced.

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Genome-wide analysis of gene expression in brain of Neil3-deficient Alzheimer's disease mouse model

Project description:Oxidative stress generating DNA damage has been shown to be a key characteristic in Alzheimer’s disease (AD). However, how it affects the pathogenesis of AD is not yet fully understood. NEIL3 is a DNA glycosylase initiating oxidative DNA repair and with a distinct expression pattern in proliferating cells. In brain, its function has been linked to hippocampal-dependent memory and to induction of neurogenesis after stroke and in prion disease. Here, we generated a novel AD mouse model deficient for Neil3 to study the impact of impaired oxidative base lesion repair on the pathogenesis of AD. Our results demonstrate an age-dependent decrease in amyloid-β (Aβ) plaque deposition in female NEIL3-deficient AD mice. Moreover, male NEIL3-deficient AD mice show reduced neural stem cell proliferation in the adult hippocampus and impaired working memory. These effects seem to be independent of DNA repair as both sexes show increased level of oxidative base lesions in the hippocampus upon loss of NEIL3. Thus, our findings suggest a sex-dependent role of NEIL3 in the progression of AD by altering cerebral Aβ accumulation and promoting adult hippocampal neurogenesis to maintain cognitive function.

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Efficient generation of human CA3 neurons and modeling hippocampal neuronal connectivity in vitro (bulk)

Project description:Despite widespread interest in using human stem cells in neurological disease modeling, a suitable model system to study human neuronal connectivity is lacking. Here, we report a protocol for efficient differentiation of hippocampal pyramidal neurons and an in vitro model for hippocampal neuronal connectivity. We developed an embryonic stem cell (ESC)- and induced pluripotent stem cell (iPSC)-based protocol to differentiate human CA3 pyramidal neurons from patterned hippocampal neural progenitor cells (NPCs). This differentiation induces a comprehensive patterning and generates multiple CA3 neuronal subtypes. The differentiated CA3 neurons are functionally active and readily form neuronal connection with dentate granule (DG) neurons in vitro, recapitulating the synaptic connectivity within the hippocampus. When we applied this neuronal co-culture approach to study connectivity in schizophrenia, we found deficits in spontaneous activity in patient iPSC derived DG–CA3 co-culture by multi-electrode array recording. In addition, both multi-electrode array recording and whole cell patch clamp electrophysiology revealed a reduction in spontaneous and evoked neuronal activity in CA3 neurons derived from schizophrenia patients. Altogether these results underscore the relevance of this new model in studying diseases with hippocampal vulnerability.

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2018-05-02 | GSE111978 | GEO