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Gene expression profile at bulk (24h, 48h & 72h) and single nucleus (24h) level of mouse right kidney post sham operation and unilateral nephrectomy.

ABSTRACT: Gene expression profile at bulk (24h, 48h & 72h) and single nucleus (24h) level of mouse right kidney post sham operation and unilateral nephrectomy.

PROVIDER: PRJNA1006732 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25692500_1.fastq.gz	Fastqsanger.gz
	SRR25692500_2.fastq.gz	Fastqsanger.gz
	SRR25692501_1.fastq.gz	Fastqsanger.gz
	SRR25692501_2.fastq.gz	Fastqsanger.gz
	SRR25692502_1.fastq.gz	Fastqsanger.gz

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Gene expression profile at bulk (24h, 48h & 72h) and single nucleus (24h) level of mouse right kidney post sham operation and unilateral nephrectomy.

Project description:The mechanism driving the remarkable ability of the remaining kidney to enlarge and increase its function following removal of its contralateral pair remains elusive. To explore the pathways driving compensatory renal hypertrophy, comprehensive RNA-seq transcriptional studies in the kidneys of mice undergoing hypertrophy 24, 48 and 72 hours following nephrectomy have been undertaken and compared with mice undergoing sham operations. The results reveal substantial time dependent enhancement of cholesterol biosynthesis pathways, increases in mitochondrial gene expression and cell cycle perturbations. Single nuclei RNA-Seq 24 hours post nephrectomy was used to further explore cholesterol biosynthesis signature and its driver SREBP2. In a cell specific manner, snRNA-seq demonstrated that SREBP2 activity increases in proximal tubules and medullary thick ascending limb and is responsible for cell size regulation following IGF-1 stimulation. These results suggest a previously undescribed role for SREBP2 in the mechanism underlying compensatory renal hypertrophy. This mechanism might be amenable to therapeutic manipulation to enhance kidney size and function.

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The changes of Chromatin Accessibiliy Triggered by Unilateral Nephrectomy [ATAC-seq]

Project description:Purpose: Experiments were done in mice undergoing unilateral nephrectomy (UNx) and sham nephrectomy. At specific time points (24 hours and 72 hours) after surgery, the earliest first portion of the kidney proximal tubule (PT-S1) and the cortical collecting duct (CCD) were manually micro-dissected and utilized for transcriptomic analysis by single-tubule small sample RNA-Seq and single-tubule ATAC seq. Methods: We carried out ATAC-sequencing in microdissected ealiest portion of proximal tubules (PT-S1) from mice with or without (sham) unilateral nephrectomy (UNx). Each group (Sham or UNx) has 3 biological replicates. Results and conclusion: ATAC-seq peaks in microdissected PT-S1 revealed a predominance of binding site motifs corresponding to PPARα.

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Project description:Purpose: Experiments were done in mice undergoing unilateral nephrectomy (UNx) and sham nephrectomy. At specific time points (24 hours and 72 hours) after surgery, the earliest first portion of the kidney proximal tubule (PT-S1) and the cortical collecting duct (CCD) were manually micro-dissected and utilized for transcriptomic analysis by single-tubule small sample RNA-Seq. Methods: We carried out RNA-sequencing in microdissected ealiest portion of proximal tubules (PT-S1) or cortical collecting duct (CCD) from mice with or without (sham) unilateral nephrectomy (UNx). Each group (Sham or UNx) has 3-5 biological replicates. Results and conclusion: RNA-Seq in microdissected PT-S1 at 24 hours showed that peroxisome proliferator-activated receptor alpha (PPARα) target genes were strongly upregulated. RNA-Seq in microdissected PT-S1 at 72 hours showed that cell cycle related genes were strongly upregulated. RNA-Seq in microdissected CCD at both 24 hours and 72 hours showed that cell cycle related genes were strongly upregulated.

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Expression data from NRK-52E cells treated with aristolochic acids for 6h, 24h and 72h

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Expression data from NRK-52E cells treated with aristolochic acids for 6h, 24h and 72h

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