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Core TF Foxc1/2 reinforce differentiation of adult podocyte in glomeruli

ABSTRACT: Core TF Foxc1/2 reinforce differentiation of adult podocyte in glomeruli

PROVIDER: PRJNA478028 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7439146_1.fastq.gz	Fastqsanger.gz
	SRR7439146_2.fastq.gz	Fastqsanger.gz
	SRR7439147_1.fastq.gz	Fastqsanger.gz
	SRR7439147_2.fastq.gz	Fastqsanger.gz
	SRR7439148_1.fastq.gz	Fastqsanger.gz

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Core TF Foxc1/2 reinforce differentiation of adult podocyte in glomeruli

Project description:We identified Fox1 and Foxc2 core transcription factors in kidney glomeruli. To investigate their transcriptional regulatory roles in glomeruli, we performed ChIPseq of Foxc1 and Foxc2 in adult mouse kidney glomeruli. The genome wide distribution of Foxc1/2 binding sites revealed they regulated the differentiation and mature state of adult podocyte to maintain kidney homeostatis.

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Project description:We found that podocyte-specific bPIX deficient (KO) mice developed progressive proteinuria starting at ~8 weeks of age, and glomerulosclerosis and podocyte loss by 13 weeks of age. To investigate the mechanism of podocyte loss induced by bPIX deficiency, we analyzed mRNA expression by RNA-sequence using isolated glomeruli from control (CTRL) and KO mice.

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Project description:Foxc1 and Foxc2 are highly expressed in adult podocytes. To bypass embryonic lethality of Foxc1 and Foxc2 KO, mice ubiquitously expressing inducible-Cre (ROSA26-CreERT2) were mated with floxed-Foxc1 and floxed-Foxc2 mice. We used microarrays to detail effects of deletions of Foxc1 and Foxc2 on podocyte gene expression profiles in adult podocyte in vivo and in vitro.

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Foxc1 reinforces quiescence in hair follicle stem cells

Project description:Quiescent stem cells are periodically activated to maintain tissue homeostasis or occasionally called into action upon injury. Molecular mechanisms that constitutively maintain stem cell identity or promote stem cell proliferation and differentiation upon activation have been extensively studied. However, it is unclear how quiescent stem cells maintain identity and reinforce quiescence when they transition from quiescence to activation. Here we show mouse hair follicle stem cell compartment induces a transcription factor, Foxc1, when activated. Importantly, deletion of Foxc1 in the activated but not quiescent stem cells compromises stem cell identity, fails to re-establish quiescence and subsequently drives premature stem cell activation.These findings uncover a dynamic, cell-intrinsic mechanism employed by hair follicle stem cells to reinforce stemness in response to activation. Poly(A)-enriched transcriptome RNA-seq on HFSCs isolated in WT and K14Cre cKO mice at anagen and early telogen stage of hair cycle.

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Foxc1 reinforces quiescence in hair follicle stem cells

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