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Transcriptomic analysis of mutant MECP2 human neural progenitor cells

ABSTRACT: Transcriptomic analysis of mutant MECP2 human neural progenitor cells

PROVIDER: PRJEB75392 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR12996963_1.fastq.gz	Fastqsanger.gz
	ERR12996963_2.fastq.gz	Fastqsanger.gz
	ERR12996964_1.fastq.gz	Fastqsanger.gz
	ERR12996964_2.fastq.gz	Fastqsanger.gz
	ERR12996965_1.fastq.gz	Fastqsanger.gz

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Transcriptomic analysis of mutant MECP2 human neural progenitor cells

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Transcriptomic analysis of mutant MECP2 and NEAT1 human neural cells

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Transcriptomic analysis of mutant MECP2 and NEAT1 human neural cells

Project description:Rett Syndrome (RTT) is a severe neurological disorder predominantly affecting females, caused by mutations in the methyl CpG binding protein 2 (MECP2) gene. Understanding the pathophysiology of RTT at a cellular and molecular level is crucial for the development of targeted therapies. This project aims to dissect the molecular underpinnings of RTT using a novel in vitro model system based on a commercially available human neural progenitor cell line, ReNCell. We have engineered multiple distinct ReNCell lines to mimic specific genetic alterations associated with RTT, providing a robust platform for mechanistic studies and drug screening. One cell line is a complete knockout of MECP2, serving as a model to investigate the effects of total loss of MeCP2 function. This model helps in understanding the full spectrum of MeCP2's roles in neural development and maintenance, and in identifying compensatory mechanisms that could be targeted therapeutically. The other line involves the knockdown of NEAT1, a long non-coding RNA known to be involved in the pathogenesis of several neurological disorders, including RTT. Recent studies suggest NEAT1 plays a critical role in the neuronal cellular response to MECP2 dysfunction. By reducing NEAT1 expression, we aim to elucidate its contribution to RTT pathology and explore its potential as a therapeutic target. Here we characterize the transcriptome of these cell lines, including the wild type (control), at the progenitor state and after 7 days of differentiation with three replicates each.

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Single cell transcriptomic analysis of mutant MECP2 human neural cells over a time-course of in vitro differentiation

Project description:Rett Syndrome (RTT) is a severe neurological disorder predominantly affecting females, caused by mutations in the methyl CpG binding protein 2 (MECP2) gene. Understanding the pathophysiology of RTT at a cellular and molecular level is crucial for the development of targeted therapies. Our project aims to dissect the molecular underpinnings of RTT using a novel in vitro model system based on a commercially available human neural progenitor cell line, ReNCell. We have engineered multiple distinct ReNCell lines to mimic specific genetic alterations associated with RTT, providing a robust platform for mechanistic studies and drug screening. This cell line is a complete knockout of MECP2, serving as a model to investigate the effects of total loss of MeCP2 function. This model helps in understanding the full spectrum of MeCP2's roles in neural development and maintenance, and in identifying compensatory mechanisms that could be targeted therapeutically. We capture the progenitor state (0 days), and differentiation states at 3, 7, 14, 21 and 30 days for both the MECP2 knockut and the corresponding wildtype.

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Single cell transcriptomic analysis of mutant MECP2 human neural cells over a time-course of in vitro differentiation

Project description:Single cell transcriptomic analysis of mutant MECP2 human neural cells over a time-course of in vitro differentiation

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Project description:Transcriptional dysregulation in a Mecp2 methyl-binding domain point mutant model (Mecp2 G118E)

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Project description:Rett Syndrome (RTT), a human neurodevelopmental disorder characterized by severe cognitive and motor impairments, is caused by dysfunction of the conserved transcriptional regulator Methyl-CpG-binding protein 2 (MECP2). Genetic analyses in mouse Mecp2 mutants, which exhibit key features of human RTT, have been essential for deciphering the mechanisms of MeCP2 function; nonetheless, our understanding of these complex mechanisms is incomplete. Zebrafish mecp2 mutants exhibit mild behavioral deficits but have not been analyzed in depth. Here we combine transcriptomic and behavioral assays to assess baseline and stimulus-evoked motor responses and sensory filtering in zebrafish mecp2 mutants from 5-7 days post-fertilization (dpf). We show that zebrafish mecp2 function is dispensable for gross movement, acoustic startle response, and sensory filtering (habituation and sensorimotor gating), and reveal a previously unknown role for mecp2 in behavioral responses to visual stimuli. RNA-seq analysis identified a large gene set that requires mecp2 function for correct transcription at 4 dpf, and pathway analysis revealed several pathways that require MeCP2 function in both zebrafish and mammals. These findings show that MeCP2’s function as a transcriptional regulator is conserved across vertebrates and supports using zebrafish to complement mouse modeling in elucidating these conserved mechanisms.

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