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Proximal tubule cell maturation rate and function are controlled by PPARα signaling in kidney organoids.

ABSTRACT: Proximal tubule cell maturation rate and function are controlled by PPARα signaling in kidney organoids.

PROVIDER: PRJNA1098050 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR28602157_1.fastq.gz	Fastqsanger.gz
	SRR28602157_2.fastq.gz	Fastqsanger.gz
	SRR28602158_1.fastq.gz	Fastqsanger.gz
	SRR28602158_2.fastq.gz	Fastqsanger.gz
	SRR28602159.fastq.gz	Fastqsanger.gz

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Proximal tubule cell maturation rate and function are controlled by PPARα signaling in kidney organoids.

Project description:Kidney organoids derived from human iPSCs have cell heterogeneity of maturation. We used single-cell RNA sequencing (scRNAs-seq) to extract the factor related to proximal tubule maturation. Using the kidney organoids cultured with the factors that accelerate the maturation speed of proximal tubules extracted by the aforementioned method, we examined whether the maturity of the proximal tubules increases within the same induction period.

2024-10-11 | GSE263556 | GEO

Profiling of Transcripts in Rat Proximal Tubule

Project description:Freshly isolated rat kidney proximal tubules were subjected for transcript profiling. Three microarray experiments were done to obtain the kidney proxmial tubule transcriptome.

2009-01-26 | E-GEOD-13668 | biostudies-arrayexpress

Effect of GW4064 on primary cultured mouse kidney proximal tubule cells

Project description:Global gene expression in the primary cultured mouse kidney proximal tubule cells treated either DMSO or 1uM GW4064 (a FXR agonist) was compared. Results provide insight into mechanisms underlying effects of FXR activation on gene expression in mouse kidney proximal tubule cells. Male C57/BJ mice aged 6 weeks were sacrificed under anesthesia and kidney proximal tubule cells were cultured until confluent. Cells were treated with either GW4064 (1uM) or equal amount of DMSO and incubated for 24 hours. 4 total RNA samples per group were analyzed and gene expression was compared between the groups.

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Transcriptomes of Major Proximal-Tubule Cell-Culture Models

Project description:Purpose:Cultured cell lines are widely used for research in the physiology, pathophysiology, toxicology and pharmacology of the renal proximal tubule. The lines that are most appropriate for a given use depend on the genes expressed.We have used modern RNA-sequencing techniques to identify the gene expression profile of 14 different cell lines plus primary cultures of mouse proximal tubule and compare them to transcriptomes of native kidney proximal tubules. Methods: 14 different proximal tubule cell lines were grown on permeable supports under conditions specific for the respective lines. RNA-Seq followed standard procedures. Results and conclusion: Transcripts expressed in cell lines showed variable match to transcripts selectively expressed in native proximal tubule. Opossum kidney (OK) cells displayed the highest percentage match (45%) with pig kidney cells (LLC-PK1) close behind (39%). Much lower percentage matches were seen for various human lines including HK-2 cells (26%) and lines from rodent kidneys (18-23%).An online resource (https://esbl.nhlbi.nih.gov/JBrowse/KCT/) has been created for interrogation of the data.No cell line closely matched the transcriptome of native proximal tubule cells. However, some of the lines tested are suitable for the study of particular metabolic and transport processes seen in the proximal tubule.

2020-10-14 | GSE135441 | GEO

Circadian Gene Expression in Mouse Renal Proximal Tubule

Project description:Circadian variability in kidney function has long been recognized but is often ignored as a potential confounding variable in in vivo physiological experiments. To provide a guide for physiological studies on the kidney proximal tubule, we have now created a data resource consisting of expression levels for all measurable mRNA transcripts in microdissected proximal tubule segments from mice as a function of the time of day. This approach employs small-sample RNA-sequencing (RNA-seq) applied to microdissected renal proximal tubules including both S1 proximal convoluted tubules (PCTs) and S2 proximal straight tubules (PSTs). The data were analyzed using JTK-Cycle to detect periodicity. The data are provided as a user-friendly web page at https://esbl.nhlbi.nih.gov/Databases/Circadian-Prox/. In PCTs, 234 transcripts were found to vary in a circadian manner (3.7 % of total quantified). In PSTs, 334 transcripts were found to vary in a circadian manner (5.3 % of total quantified). Transcripts previously known to be associated with corticosteroid action and transcripts associated with increased flow were found to be overrepresented among circadian transcripts peaking during the “dark” portion of the day (Zeitgeber 14-22), corresponding to the peak levels of corticosterone and glomerular filtration rate in mice.

2023-04-10 | PXD039006 | Pride

Proteomics of Rat Proximal-Tubule Cell-Culture Models

Project description:Cultured cell lines are widely used for research in the physiology, pathophysiology, toxicology and pharmacology of the renal proximal tubule. The lines that are most appropriate for a given use depend on the genes expressed. New tools for transcriptomic and proteomic profiling using RNA-sequencing (RNA-Seq) and mass spectrometry make it possible to catalog expressed genes in each cell line. This data set is the protoemic data of Rat NRK-52E cell line. We concludeno cell line fully matched the transcriptome of native proximal tubule cells. However, some of the lines tested are suitable for the study of particular metabolic and transport processes seen in the proximal tubule.

2020-10-15 | PXD021160 | Pride

Translational profiling of proximal tubule in fibrotic kidney

Project description:Injury to the proximal tubule plays a central role in the initiation and progression of kidney fibrosis, and rates of chronic kidney disease progresses approximately 50% faster in males compared to females. We applied Translating Ribosome Affinity Purification (TRAP) followed by RNA-sequencing to characterize the cell-specific proximal tubule transcriptional landscape during fibrosis in male vs. female mice.

2019-09-21 | GSE125015 | GEO

Effect of GW4064 on primary cultured mouse kidney proximal tubule cells

Project description:Global gene expression in primary cultured mouse kidney proximal tubule cells treated with either DMSO or 1uM GW4064 (an FXR agonist) was compared. Results provide insight into mechanisms underlying effects of FXR activation on gene expression in mouse kidney proximal tubule cells.

2015-06-26 | GSE70296 | GEO

Early Signaling Events in Renal Compensatory Hypertrophy Revealed by Multi-Omics

Project description:Loss of a kidney results in compensatory growth of the remaining kidney, a phenomenon of considerable clinical importance. However, the mechanisms involved are largely unknown. Here, we used a multi-omic approach in a mouse unilateral nephrectomy model to identify signaling processes associated with compensatory hypertrophy of the renal proximal tubule. Morphometry applied to microdissected proximal tubules showed that growth of the proximal tubule involves a marked, rapid increase in cell volume rather than cell number. Measurements of DNA accessibility (ATAC-seq), transcriptome (RNA-seq) and proteome (quantitative protein mass spectrometry) independently identified patterns of change that are indicative of activation of the lipid-regulated transcription factor, PPARα. Activation of PPARα by fenofibrate administration increased proximal tubule cell size, while genetic deletion of PPARα in mice decreased it. The results indicate that PPARα is an important determinant of proximal tubule cell size and is a likely mediator of compensatory proximal tubule hypertrophy.

2023-06-05 | PXD036395 | Pride

Transcriptomes of Major Proximal-Tubule Cell-Culture Models

Project description:Transcriptomes of Major Proximal-Tubule Cell-Culture Models

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