Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA382260 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR5441714_1.fastq.gz | Fastqsanger.gz | |||
| SRR5441714_2.fastq.gz | Fastqsanger.gz | |||
| SRR5441715_1.fastq.gz | Fastqsanger.gz | |||
| SRR5441715_2.fastq.gz | Fastqsanger.gz | |||
| SRR5441716_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 12 |
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Project description:Shank3 is a core excitatory postsynaptic protein enriched in the striatum. We have previously generated and characterized Shank3-overexpressing transgenic mice, and found that these mice exhibited manic-like behavioral phenotypes. To understand molecular mechanisms underlying the behavioral changes, we performed transcriptome (RNA-sequencing) analysis of the striatal tissues from 12-week-old wild-type and Shank3 transgenic mice.
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Project description:Shank3 is a core excitatory postsynaptic protein expressed in multiple brain regions including the medial prefrontal cortex, striatum, and hippocampus. We have previously generated and characterized Shank3-overexpressing transgenic mice, and found that these mice exhibited manic-like behavioral phenotypes. To understand molecular mechanisms underlying the behavioral changes, we performed transcriptome (RNA-sequencing) analysis of the mPFC tissues from 10 to 12-week-old wild-type and Shank3 transgenic mice.
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Project description:Shank3 is a core excitatory postsynaptic protein expressed in multiple brain regions including the medial prefrontal cortex, striatum, and hippocampus. We have previously generated and characterized Shank3-overexpressing transgenic mice, and found that these mice exhibited manic-like behavioral phenotypes and increased food intake. To understand molecular mechanisms underlying the behavioral changes, we performed transcriptome (RNA-sequencing) analysis of the hypothalamic tissues from 10 to 12-week-old wild-type and Shank3 transgenic mice.
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Project description:Shank3 protein is a core organizer of the macromolecular complex in excitatory postsynapses, and its defects cause numerous synaptopathies including autism spectrum disorders. Although Shank3 function as a postsynaptic scaffold is well established, other potential mechanisms how Shank3 broadly modulates the postsynaptic proteome are relatively unexplored. To understand potential contribution of increased proteins synthesis to the proteomic change in TG striatal synaptosome, we performed RNA-seq analyses on both whole synaptosomal and synaptic polysome-enriched fractions. Comparative analyses showed a positive correlation only between polysome-associated transcriptome and up-regulated proteome in TG striatal synaptosome.
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Project description:Medial prefrontal cortex (mPFC) transcriptome analysis of Shank3-overexpressing mice
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Project description:Shank3 is an abundant excitatory postsynaptic scaffolding proteins implicated in various neurodevelopmental and psychiatric disorders, including ASD, Phelan-McDermid syndrome, intellectual disability, and schizophrenia. Shank3-mutant mice with a homozygous deletion of exons 14-16 (Shank3-HM mice) show ASD-like behavioral deficits and altered synaptic and neuronal functions, but little is known about how different ages, brain regions, and gene dosages contribute to transcriptomic phenotypes in these mice. Here, we performed RNA-Seq-based transcriptomic analyses of the prefrontal cortex, hippocampus, and striatum in adult Shank3 heterozygous- and homozygous-mutant mice. In addition, juvenile and adult Shank3 homozygous-mutant forebrain transcriptomes were compared. Juvenile and adult forebrain transcriptomes from Shank3 homozygous-mutant mice showed the patterns that are opposite and similar to those observed in ASD: reverse-ASD and ASD-like patterns, respectively. Here, the juvenile reverse-ASD pattern involved synaptic gene upregulations and ribosomal and mitochondrial downregulations, whereas the adult ASD-like pattern involved opposite changes. Gene set enrichment analyses (GSEA) of brain regional transcripts in adult Shank3-HT and Shank3-HM mice revealed that the cortical, hippocampal, and striatal transcripts show distinctly altered biological functions and ASD-related/risk gene expressions. The cortex and striatum display ASD-like patterns whereas the hippocampus displays reverse-ASD patterns. The cortical ASD-like pattern more strongly involves ASD-risk genes whereas the striatal ASD-like pattern more strongly involves astrocyte/microglia genes. Shank3-HT and Shank3-HM transcripts in a given brain region display largely similar patterns in biological functions and ASD-related/risk gene expressions, suggestive of small gene dosage effects. These results suggest that heterozygous and homozygous Shank3 deletions in mice lead to age, brain region, and gene dosage-differential transcriptomic changes.
2022-11-02 | GSE201853 | GEO
Project description:Shank3 is an abundant excitatory postsynaptic scaffolding proteins implicated in various neurodevelopmental and psychiatric disorders, including ASD, Phelan-McDermid syndrome, intellectual disability, and schizophrenia. Shank3-mutant mice with a homozygous deletion of exons 14-16 (Shank3-HM mice) show ASD-like behavioral deficits and altered synaptic and neuronal functions, but little is known about how different ages, brain regions, and gene dosages contribute to transcriptomic phenotypes in these mice. Here, we performed RNA-Seq-based transcriptomic analyses of the prefrontal cortex, hippocampus, and striatum in adult Shank3 heterozygous- and homozygous-mutant mice. In addition, juvenile and adult Shank3 homozygous-mutant forebrain transcriptomes were compared. Juvenile and adult forebrain transcriptomes from Shank3 homozygous-mutant mice showed the patterns that are opposite and similar to those observed in ASD: reverse-ASD and ASD-like patterns, respectively. Here, the juvenile reverse-ASD pattern involved synaptic gene upregulations and ribosomal and mitochondrial downregulations, whereas the adult ASD-like pattern involved opposite changes. Gene set enrichment analyses (GSEA) of brain regional transcripts in adult Shank3-HT and Shank3-HM mice revealed that the cortical, hippocampal, and striatal transcripts show distinctly altered biological functions and ASD-related/risk gene expressions. The cortex and striatum display ASD-like patterns whereas the hippocampus displays reverse-ASD patterns. The cortical ASD-like pattern more strongly involves ASD-risk genes whereas the striatal ASD-like pattern more strongly involves astrocyte/microglia genes. Shank3-HT and Shank3-HM transcripts in a given brain region display largely similar patterns in biological functions and ASD-related/risk gene expressions, suggestive of small gene dosage effects. These results suggest that heterozygous and homozygous Shank3 deletions in mice lead to age, brain region, and gene dosage-differential transcriptomic changes.
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