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Gene expression in epithelial and non-epithelial cells of renal origin

ABSTRACT: We aimed to define epithelial-specific genes in the kidney. In the developing mouse kidney at E12.5 epithelial cells are restricted to the ureteric bud, while mesenchymal cells surrounding the ureteric bud are non-epithelial. The mouse renal epithelial cell line mIMCD-3 was used to represent kidney epithelia in vitro. Gene expression was analyzed using Affymetrix microarrays in ureteric bud stalks, ureteric bud tips, and mIMCD-3 cells and compared to metanephric mesenchyme.

ORGANISM(S): Mus musculus

PROVIDER: GSE24295 | GEO | 2010/09/23

SECONDARY ACCESSION(S): PRJNA130005

REPOSITORIES: GEO

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Gene expression in epithelial and non-epithelial cells of renal origin

Project description:We aimed to define epithelial-specific genes in the kidney. In the developing mouse kidney at E12.5 epithelial cells are restricted to the ureteric bud, while mesenchymal cells surrounding the ureteric bud are non-epithelial. The mouse renal epithelial cell line mIMCD-3 was used to represent kidney epithelia in vitro. Gene expression was analyzed using Affymetrix microarrays in ureteric bud stalks, ureteric bud tips, and mIMCD-3 cells and compared to metanephric mesenchyme. Affymetrix Mouse Genome 430 2.0 microarrays from mouse E12.5 ureteric bud tips, ureteric bus stalks, and metanephric mesenchymes had previously been published (GEO deposition: GDS1583) (Schmidt-Ott, K. M., Yang, J., Chen, X., Wang, H., Paragas, N., Mori, K., Li, J. Y., Lu, B., Costantini, F., Schiffer, M. et al. (2005). Novel regulators of kidney development from the tips of the ureteric bud. J Am Soc Nephrol 16, 1993-2002.). We added a new microarray analysis from a subclone of mIMCD-3 cells and recalculated expression values in the complete dataset by robust multichip analysis.

2010-09-23 | E-GEOD-24295 | biostudies-arrayexpress

Transcriptional Profiling of the Metanephric Kidney

Project description:In this study we identify molecules with highly restricted expression patterns during the initial stages of metanephric development, when the ureteric bud has entered the metanephric mesenchyme and initiated branching morphogenesis. Using the Affymetrix Mouse Genome 430 2.0 Array, we compare gene expression patterns in ureteric bud tips, stalks and metanephric mesenchymes from mouse E12.5 embryos. To identify conserved molecular pathways, we also analyze transcriptional profiles in rat E13.5 ureteric buds and metanephric mesenchymes using the Affymetrix Rat Genome U34 Set. Taken together, these data sets help to identify conserved and highly localized transcripts in the metanephric kidney. Keywords = Mus musculus Keywords = Rattus norvegicus Keywords = metanephric mesenchyme Keywords = ureteric bud Keywords = ureteric bud tips Keywords = ureteric bud stalks Keywords = molecular screen for spatially restricted transcripts Keywords: other

2005-07-01 | GSE1983 | GEO

Transcription profiling of initial stages of metanephric development in mouse and rat

2007-07-24 | E-GEOD-1983 | biostudies-arrayexpress

Transcription profiling of wild type and HoxA11 metenephric mesenchyme and ureteric bud from embryonic day 11.5 mice

Project description:E11.5 metanephric mesenchyme and ureteric bud were dissected from the E11.5 kidney rudiment using fine manual microdissection (ureteric bud only) or both fine manual microdissection and laser capture microdissection (metanephric mesenchyme) to define the gene expression profiles of these structures. Additionally, HoxA11, HoxD11 compound null E11.5 metanephric mesenchyme was obtained through laser capture microdissection allowing analysis of possible Hox targets in kidney development. Targets from multiple biological replicates of each were generated and the expression profiles were determined using Affymetrix MOE430_v2 arrays. Using microdissection techniques, ureteric bud and metanephric mesenchyme were dissected from E11.5 kidney rudiments allowing the identificated genes specifically regulated in either structure. In addition, Hoxa11, Hoxd11 compound null E11.5 metanephric mesenchyme were normalized to wild type embryonic controls allowing the identification of potential Hox targets in normal kidney development. Each structure/genotype were represented in biological (seperate embryo) replicate.

2007-12-07 | E-GEOD-3822 | biostudies-arrayexpress

Complete embryonic E11.5 metanephric kidney analysis of wild type and Hoxa11, Hoxd11 null targeted mice

2006-05-01 | GSE3822 | GEO

Comparison of mRNA expression between wildtype and Wnt9b-/- isolated metanphric mesenchyme from E11.5 kidneys.

Project description:Wnt9b is expressed in the ureteric bud of the kidney at all stages of development. In Wnt9b mutants, the ureteric bud forms but the metanephric mesenchyme is never induced to undergo differentiation. We used microarrays to compare differences in gene expression between wildtype and Wnt9b mutants. To focus on direct targets, mesenchymes isolated away from the E11.5 ureteric bud were assayed

2017-10-26 | GSE106195 | GEO

The developmental programme for genesis of the entire kidney is recapitulated in Wilms tumour

Project description:Expression profiling of Wilms tumour samples, which identified molecular signatures of the ureteric bud and collecting duct as well as those of the proximal and distal tubules in triphasic histology tumours. These observations indicate Wilms tumours can arise from a precursor cell capable of generating the entire kidney, such as the cells of the intermediate mesoderm from which both the metanephric mesenchym and ureteric bud are derived.

2017-12-31 | E-MTAB-3516 | biostudies-arrayexpress

Expression data from metanephric mesenchyme induced to convert into nephron epithelia

2007-07-01 | GSE5478 | GEO

Human Pluripotent Stem Cell-Derived Kidney Organoids for Modeling Epithelial Transport and Injury

Project description:Maximizing the potential of human kidney organoids for drug testing, regenerative medicine and to model development and disease requires addressing cell immaturity, the lack of a branching collecting system and the off target cell types. Here we establish methods to independently generate the two kidney progenitor cell populations – metanephric mesenchyme and ureteric bud. Combining these two progenitor cell types results in organoids with an improved branched collecting system. We also identified the hormones aldosterone and arginine vasopressin as critical to promote maturation of collecting duct cell types. The resulting organoids contain the full range of epithelial cells in the nephron, including principal and intercalated cells. By scRNA-seq, we demonstrate superior proximal tubule maturation and reduced off-target cell populations using this protocol.

2020-12-15 | GSE131086 | GEO

Transcription profiling of rat metanephric mesenchyme induced to convert into nephron epithelia

Project description:During kidney development segmented epithelia of the nephron derive from progenitor cells in the metanephric mesenchyme after induction by secreted molecules from the ureteric bud. We have identified three distinct inductive activities from a ureteric bud cell line. These include leukemia inhibitory factor (LIF), neutrophil gelatinase-associated lipocalin (NGAL) and an active fraction currently referred to as ANX. Each of these activities induces segmented nephron epithelia in isolated rat metanephric mesenchyme over a time period of 7 days. This study was designed to characterize the temporal sequence of gene expression in the course of the conversion process induced by each of the distinct inducers. Experiment Overall Design: Metanephric mesenchymes were microdissected from rat E13.5 embryos. Mesenchymes were cultured on transwells in the presence of either LIF, NGAL or the ANX fraction and RNA was harvested after 1, 2, 3, 4, 5, and 7 days for RNA extraction. Freshly dissected mesenchymes and mesenchymes cultured in the absence of inducers for 1 and 2 days, respectively, served as controls. Each condition was analyzed in duplicate (biological replicates). Biotinylated cRNA was prepared and hybridized to Affymetrix Rat Genome 230 2.0 Microarrays. Expression values were obtained by robust multichip analysis.

2008-06-13 | E-GEOD-5478 | biostudies-arrayexpress

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