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Aberrant cell state plasticity mediated by developmental reprogramming precedes cancer initiation [CUT&RUN]

ABSTRACT: Aberrant cell state plasticity mediated by developmental reprogramming precedes cancer initiation [CUT&RUN]

PROVIDER: PRJNA913872 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22810185_1.fastq.gz	Fastqsanger.gz
	SRR22810185_2.fastq.gz	Fastqsanger.gz
	SRR22810186_1.fastq.gz	Fastqsanger.gz
	SRR22810186_2.fastq.gz	Fastqsanger.gz
	SRR22810187_1.fastq.gz	Fastqsanger.gz

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Aberrant cell state plasticity mediated by developmental reprogramming precedes cancer initiation [CUT&RUN]

Project description:Cell state (phenotypic) plasticity is a carefully regulated feature of adult epithelial cells that enables adaptive responses to injury, inflammation, and other forms of stress.Aberrant expansion of the normally restricted capability for cell state plasticity to escape terminal differentiation is a critical aspect of neoplasia. The nongenetic factors and specific programs that mediate aberrant cell state plasticity and impaired differentiationrequire deeper characterization to understand this elusive aspect ofcancer pathogenesis. Using genetically engineered andcarcinogen-induced murine models of intestinal neoplasia, wedemonstrate that impaired differentiation is a conserved eventpreceding cancer development. Single cell RNA-sequencing (scRNA-seq)of neoplastic intestinal lesions from both mouse models and a patientwith familial adenomatous polyposis revealed that cancer initiates byadopting an aberrant transcriptional state characterized bynonoverlapping expression of a regenerative pathway, marked by Ly6a(Sca-1), and a fetal intestinal program, positive for Tacstd2 (Trop2).Genetic inactivation of Sox9 prevented adenoma formation in ApcKOmice, obstructed emergence of aberrant regenerative and fetalintestinal programs, and restored multi-lineage differentiation byscRNA-seq. Expanded chromatin accessibility at regeneration and fetalgenes upon Apc inactivation was reduced by concomitant Sox9suppression. These studies indicate that aberrant cell stateplasticity mediated by unabated regenerative activity anddevelopmental reprogramming precedes cancer development.

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation

Project description:Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation [scRNA-seq]

Project description:Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation [scRNA-seq]

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation [ATAC-seq]

Project description:Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation [ATAC-seq]

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation [scRNA-seq]

Project description:Cell state plasticity is carefully regulated in adult epithelia, enabling adaptive responses to stressors. The nongenetic factors that control aberrant expansion of the normally restricted capability for cell state plasticity to escape terminal differentiation in neoplasia require deeper characterization. Using genetically-engineered and carcinogen-induced murine models of intestinal neoplasia, we demonstrate that impaired differentiation is a conserved event preceding cancer development. Single cell RNA-sequencing (scRNA-seq) of intestinal neoplasia from both mouse models and a patient with hereditary polyposis revealed that cancer initiates by adopting an aberrant transcriptional state characterized by regenerative activity, marked by Ly6a (Sca-1), and reactivation of fetal intestinal genes, including Tacstd2 (Trop2). Genetic inactivation of Sox9 prevented adenoma formation, obstructed emergence of regenerative and fetal programs, and restored multi-lineage differentiation by scRNA-seq. Expanded chromatin accessibility at regeneration and fetal genes upon Apc inactivation was reduced by concomitant Sox9 suppression. These studies indicate that aberrant cell state plasticity mediated by unabated regenerative activity and developmental reprogramming precedes cancer development.

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation [ATAC-seq]

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation.

Project description:Cell state plasticity is carefully regulated in adult epithelia to prevent cancer. The aberrant expansion of the normally restricted capability for cell state plasticity in neoplasia is poorly defined. Using genetically engineered and carcinogen-induced mouse models of intestinal neoplasia, we observed that impaired differentiation is a conserved event preceding cancer development. Single-cell RNA sequencing (scRNA-seq) of premalignant lesions from mouse models and a patient with hereditary polyposis revealed that cancer initiates by adopting an aberrant transcriptional state characterized by regenerative activity, marked by Ly6a (Sca-1), and reactivation of fetal intestinal genes, including Tacstd2 (Trop2). Genetic inactivation of Sox9 prevented adenoma formation, obstructed the emergence of regenerative and fetal programs, and restored multilineage differentiation by scRNA-seq. Expanded chromatin accessibility at regeneration and fetal genes upon Apc inactivation was reduced by concomitant Sox9 suppression. These studies indicate that aberrant cell state plasticity mediated by unabated regenerative activity and developmental reprogramming precedes cancer development.

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Disruption of H3K36 methylation provokes cellular plasticity to drive aberrant glandular formation and squamous carcinogenesis (CUT&RUN)

Project description:Disruption of H3K36 methylation provokes cellular plasticity to drive aberrant glandular formation and squamous carcinogenesis (CUT&RUN)

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Aberrant cell state plasticity mediated by developmental reprogramming precedes colorectal cancer initiation

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