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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System [miRNA]

ABSTRACT: Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System [miRNA]

PROVIDER: PRJNA1054473 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27279805.fastq.gz	Fastqsanger.gz
	SRR27279806.fastq.gz	Fastqsanger.gz
	SRR27279807.fastq.gz	Fastqsanger.gz
	SRR27279808.fastq.gz	Fastqsanger.gz
	SRR27279809.fastq.gz	Fastqsanger.gz

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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System

Project description:Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System

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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System [mRNA]

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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System [miRNA]

Project description:The enteric nervous system (ENS) is an essential network of neurons and glia in the bowel wall. Defects in ENS development can result in Hirschsprung disease (HSCR), a life-threatening condition characterized by severe constipation, abdominal distention, bilious vomiting, and failure to thrive. A growing body of literature connects HSCR to alterations in miRNA expression, but there are limited data on the normal miRNA landscape in the developing ENS. We sequenced small RNAs (smRNA-seq) and messenger RNAs (mRNA-seq) in ENS precursors of mid-gestation Ednrb-EGFP mice and compared them to aggregated RNA from all other cells in the developing bowel. Our smRNA-seq results identified 73 miRNAs that were significantly enriched and highly expressed in the developing ENS, with miR-9, miR-27b, miR-124, miR-137, and miR-488 as our top 5 miRNAs that are conserved in humans. However, contrary to prior reports, our follow-up analyses of miR-137 showed that loss of Mir137 in Nestin-cre, Wnt1-cre, Sox10-cre, or Baf53b-cre lineage cells had no effect on mouse survival or ENS development. Our data provide important context for future studies of miRNA in HSCR and other ENS diseases and highlight open questions about facility-specific factors in development.

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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System [mRNA]

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RNA Expression Data from developing enteric nervous system (ENS) and bowel

Project description:The enteric nervous system (ENS) can control most essential gut functions owing to its organization into complete neural circuits consisting of a multitude of different neuronal subtypes. We used microarrays to identify transcription factor networks and signaling pathways involved in diversification and differentiation of enteric neurons during development of the enteric nervous system.

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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System.

Project description:The enteric nervous system (ENS) is an essential network of neurons and glia in the bowel wall. Defects in ENS development can result in Hirschsprung disease (HSCR), a life-threatening condition characterized by severe constipation, abdominal distention, bilious vomiting, and failure to thrive. A growing body of literature connects HSCR to alterations in miRNA expression, but there are limited data on the normal miRNA landscape in the developing ENS. We sequenced small RNAs (smRNA-seq) and messenger RNAs (mRNA-seq) from ENS precursor cells of mid-gestation Ednrb-EGFP mice and compared them to aggregated RNA from all other cells in the developing bowel. Our smRNA-seq results identified 73 miRNAs that were significantly enriched and highly expressed in the developing ENS, with miR-9, miR-27b, miR-124, miR-137, and miR-488 as our top 5 miRNAs that are conserved in humans. However, contrary to prior reports, our follow-up analyses of miR-137 showed that loss of Mir137 in Nestin-cre, Wnt1-cre, Sox10-cre, or Baf53b-cre lineage cells had no effect on mouse survival or ENS development. Our data provide important context for future studies of miRNAs in HSCR and other ENS diseases and highlight open questions about facility-specific factors in development.

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Project description:Neural crest cells give rise to the neurons of the enteric nervous system (ENS) that innervate the gastrointestinal tract to regulate gut motility. The immense size and distinct subregions of the gut present a challenge to understanding the spatial organization and sequential differentiation of different neuronal subtypes. Here, we profile enteric neurons and progenitors at single cell resolution during zebrafish embryonic and larval development to provide a near complete picture of transcriptional changes that accompany emergence of ENS neurons throughout the gastrointestinal tract. Multiplex spatial RNA transcript analysis reveals the temporal order and distinct localization patterns of neuronal subtypes along the length of the gut. Finally, we show that functional perturbation of select transcription factors Ebf1a, Gata3 and Satb2 alters the cell fate choice, respectively, of inhibitory, excitatory and serotonergic neuronal subtypes in the developing ENS.

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Sequencing Reveals miRNAs Enriched in the Developing Mouse Enteric Nervous System

Project description:This SuperSeries is composed of the SubSeries listed below.

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