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Global brain transcriptome analysis of a Tpp1 Neuronal Ceroid Lipofuscinoses Mouse Model

ABSTRACT: Global brain transcriptome analysis of a Tpp1 Neuronal Ceroid Lipofuscinoses Mouse Model

PROVIDER: PRJNA508966 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8308680.fastq.gz	Fastqsanger.gz
	SRR8308690.fastq.gz	Fastqsanger.gz
	SRR8308681.fastq.gz	Fastqsanger.gz
	SRR8308682.fastq.gz	Fastqsanger.gz
	SRR8308683.fastq.gz	Fastqsanger.gz

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Synapse alterations precede neuronal damage and storage pathology in a human cerebral organoid model of CLN3-Juvenile Neuronal Ceroid Lipofuscinosis

Project description:We developed an invitro model for Juvenile Neuronal Ceroid Lipofuscinosis (JNCL) using isogenic CLN3 mutated human iPS cell lines and performed transcriptomic profiling of brain organoids derived from these lines to identify transcriptomic changes in the early developing brain model.

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Expression Profile Of A Caenorhabditis Elegans Model Of Adult Onset Neuronal Ceroid Lipofuscinosis Reveals Down Regulation Of Ubiquitin E3 Ligase Components.

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Proteomics insights into Infantile Neuronal Ceroid Lipofuscinosis (CLN1) point to the involvement of palmitoylation in the disease

Project description:Mutations in the depalmitoylation enzyme, palmitoyl protein thioesterase (PPT1), result in the early onset neurodegenerative disease known as Infantile Neuronal Ceroid Lipofuscinosis. Here, we provide proteomic evidence suggesting that PPT1 deficiency could be considered as a ciliopathy. An unbiased proteomic analysis of membranal brain proteins from neonate Ppt1 knock out and control mice revealed a list of 88 proteins with different expression levels. Among them, we identified Rab3IP, which is known to work in concert with Rab8 and Rab11 to regulated proper ciliogenesis. Surprisingly, PPT1 was observed to localize to cilia. Indeed, an unbiased proteomics analysis on isolated cilia revealed 660 proteins, which differed in their abundance between wild type and Ppt1 knock out. We demonstrate here that Rab3IP, Rab8 and Rab11 are palmitoylated proteins, and palmitoylation of Rab11 is required for proper intracellular localization. Most interestingly, cells and tissues from Ppt1-/- exhibited less ciliated cells and abnormally longer cilia with both acetylated tubulin and Rab3IP mis-distributed along the length of cilia. Overall, our results suggest a novel link between palmitoylated proteins, cilia organization and the pathophysiology of Neuronal Ceroid Lipofuscinosis.

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Synapse alterations precede neuronal damage and storage pathology in a human cerebral organoid model of CLN3-Juvenile Neuronal Ceroid Lipofuscinosis

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Global Brain Transcriptome Analysis of a Tpp1 Neuronal Ceroid Lipofuscinoses Mouse Model.

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Project description:Genotype-Phenotype Correlations of Late Infantile Neuronal Ceroid Lipofuscinosis - LDN 6716

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Genotype-Phenotype Correlations of Late Infantile Neuronal Ceroid Lipofuscinosis - LDN 6716

Project description:Genotype-Phenotype Correlations of Late Infantile Neuronal Ceroid Lipofuscinosis - LDN 6716

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Global brain transcriptome analysis of a Tpp1 Neuronal Ceroid Lipofuscinoses Mouse Model

Project description:We analyzed expression changes in the Tpp1-/- forebrain/midbrain and cerebellum of 4 mo. mutants compared to strain-related controls RNA-sequencing technology.

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