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In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [liver-ChIP-seq]

ABSTRACT: In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [liver-ChIP-seq]

PROVIDER: PRJNA761084 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15729266.fastq.gz	Fastqsanger.gz
	SRR15729267.fastq.gz	Fastqsanger.gz
	SRR15729268.fastq.gz	Fastqsanger.gz
	SRR15729269.fastq.gz	Fastqsanger.gz
	SRR15729270.fastq.gz	Fastqsanger.gz

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In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration

Project description:In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration

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In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [H2-ChIP-seq]

Project description:In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [H2-ChIP-seq]

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In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [H2-ATAC-seq]

Project description:In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [H2-ATAC-seq]

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In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [liver-RNA-seq]

Project description:In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [liver-RNA-seq]

| PRJNA761089 | ENA

In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [liver-RNA-seq]

Project description:Identifying new pathways that regulate mammalian regeneration is challenging due to the paucity of in vivo screening approaches. We employed pooled CRISPR knockout and activation screening in the regenerating liver to evaluate 164 chromatin regulatory proteins. Both screens identified imitation-SWI chromatin remodeling components Baz2a and Baz2b, not previously implicated in regeneration. In vivo sgRNA, siRNA, and knockout strategies against either paralog confirmed increased regeneration. Distinct BAZ2-specific bromodomain inhibitors GSK2801 and BAZ2-ICR resulted in accelerated liver healing after diverse injuries. Inhibitor treated mice also exhibited improved regeneration in an inflammatory bowel disease model, suggesting multi-tissue applicability. Transcriptomics on regenerating livers showed increases in ribosomal and cell cycle mRNAs. Surprisingly, CRISPRa screening to define mechanisms showed that overproducing ribosomal proteins was sufficient to drive regeneration, while Rpl24 haploinsufficiency was rate limiting for BAZ2 inhibition mediated regeneration. The discovery of regenerative roles for imitation-SWI components provides immediate strategies to enhance tissue repair.

2022-01-25 | GSE183501 | GEO

In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [H2-ChIP-seq]

2022-01-25 | GSE183500 | GEO

In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [liver-ChIP-seq]

2022-01-25 | GSE183498 | GEO

In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration [H2-ATAC-seq]

2022-01-25 | GSE183497 | GEO

In vivo CRISPR screening reveals druggable regulators of mammalian tissue regeneration

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

2022-01-23 | GSE183502 | GEO

Transcriptional Reversion of Cardiac Myocyte Fate During Mammalian Cardiac Regeneration.

Project description:Rationale: Neonatal mice have the capacity to regenerate their hearts in response to injury, but this potential is lost after the first week of life. The transcriptional changes that underpin mammalian cardiac regeneration have not been fully characterized at the molecular level. Objective: The objectives of our study were to determine if myocytes revert the transcriptional phenotype to a less differentiated state during regeneration and to systematically interrogate the transcriptional data to identify and validate potential regulators of this process. Methods and Results: We derived a core transcriptional signature of injury-induced cardiac myocyte regeneration in mouse by comparing global transcriptional programs in a dynamic model of in vitro and in vivo cardiac myocyte differentiation, in vitro cardiac myocyte explant model, as well as a neonatal heart resection model. The regenerating mouse heart revealed a transcriptional reversion of cardiac myocyte differentiation processes including reactivation of latent developmental programs similar to those observed during de-stabilization of a mature cardiac myocyte phenotype in the explant model. We identified potential upstream regulators of the core network, including interleukin 13 (IL13), which induced cardiac myocyte cell cycle entry and STAT6/STAT3 signaling in vitro. We demonstrate that STAT3/periostin and STAT6 signaling are critical mediators of IL13 signaling in cardiac myocytes. These downstream signaling molecules are also modulated in the regenerating mouse heart. Conclusions: Our work reveals new insights into the transcriptional regulation of mammalian cardiac regeneration and provides the founding circuitry for identifying potential regulators for stimulating heart regeneration. Comparison of transcriptional programs of primary myocardial tissues sampled from neonatal mice and murine hearts undergoing post-injury regeneration, along with in vitro ESC-differentiated cardiomyocytes

2014-12-20 | E-GEOD-64403 | biostudies-arrayexpress

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