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YFP+ and YFP– stromal cells isolated from intestinal ulcers of indomethacin treated LTBRYFP mice

ABSTRACT: YFP+ and YFP– stromal cells isolated from intestinal ulcers of indomethacin treated LTBRYFP mice

PROVIDER: PRJNA824319 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18672380.fastq.gz	Fastqsanger.gz
	SRR18672381.fastq.gz	Fastqsanger.gz
	SRR18672382.fastq.gz	Fastqsanger.gz
	SRR18672383.fastq.gz	Fastqsanger.gz
	SRR18672384.fastq.gz	Fastqsanger.gz

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YFP+ and YFP– stromal cells isolated from intestinal ulcers of indomethacin treated LTBRYFP mice

Project description:After birth, the intestine undergoes major changes to shift from an immature proliferative state to a functional intestinal barrier. By combining inducible lineage tracing and transcriptomics in mouse models, we identify a pro-differentiation PDGFRαHigh intestinal stromal lineage originating from postnatal LTβR+ perivascular stromal progenitors. Genetic blockage of this lineage increased the intestinal stem cells pool while decreasing epithelial and immune maturation at weaning age, leading to reduced postnatal growth and dysregulated repair responses. Ablating PDGFRα in the LTβR stromal lineage demonstrates that PDGFRα has a major impact on the lineage fate and function, inducing a transcriptomic switch from pro-stemness genes such as Rspo3 and Grem1 to pro-differentiation factors including BMPs, retinoic acid and laminins, and on spatial organization within the crypt-villus and repair responses. Our results show that PDGFRα-induced transcriptomic switch in intestinal stromal cells is required in the first weeks after birth to coordinate postnatal intestinal maturation and function.

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YFP+PDGFRa+ and YFP+PDGFRa– stromal cells isolated from the small intestine of LTBRfloxedPDGFRa/YFP mice

Project description:YFP+PDGFRa+ and YFP+PDGFRa– stromal cells isolated from the small intestine of LTBRfloxedPDGFRa/YFP mice

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YFP+ and YFP– stromal cells isolated from the small intestine of LTBRYFP mice

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