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Transcriptomics and Metabolomics analysis of Kcnj16 knockout rats

ABSTRACT: We hypothesized that deletion of Kcnj16 decreased the blood pressure and kidney damage by altering the inflammatory and metabolic pathways of Dahl Salt Sensitive Rats

ORGANISM(S): Rattus norvegicus

PROVIDER: GSE244052 | GEO | 2023/10/24

REPOSITORIES: GEO

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Kidneys of Dahl salt sensitive rats

Project description:Gene expression profiling of kidney tissue from 5 week old Dahl salt sensitive rats and congenic strain of Chr.10 Dahl salt sensitive rats. Keywords: other

2003-08-20 | GSE413 | GEO

Monoclonal Antibody to Marinobufagenin Downregulates TGFβ Profibrotic Signaling in Left Ventricle and Kidney and Reduces Tissue Remodeling in Salt‐Sensitive Hypertension [LV_Kidney]

Project description:Elevated levels of an endogenous Na/K‐ATPase inhibitor marinobufagenin accompany salt‐sensitive hypertension and are implicated in cardiac fibrosis. Immunoneutralization of marinobufagenin reduces blood pressure in Dahl salt‐sensitive (Dahl‐S) rats. The effect of the anti‐marinobufagenin monoclonal antibody on blood pressure, left ventricular (LV) and renal remodeling, and LV gene expression were investigated in hypertensive Dahl‐S rats.

2022-07-12 | GSE208009 | GEO

Renal medullary genes in salt-sensitive hypertension

Project description:Substitution of chromosome 13 from Brown Norway BN/SsNHsd/Mcw (BN/Mcw) rats into the Dahl salt-sensitive SS/JrHsd/Mcw (SS/Mcw) rats resulted in substantial reduction of blood pressure salt sensitivity in this consomic rat strain designated SSBN13. In the present study, we attempted to identify genes associated with salt-sensitive hypertension by utilizing a custom, known-gene cDNA microarray to compare the mRNA expression profiles in the renal medulla (a tissue playing a pivotal role in long-term blood pressure regulation) of SS/Mcw and SSBN13 rats on either low-salt (0.4% NaCl) or high-salt (4% NaCl, 2 wk) diets. Keywords: Dahl S rat; blood pressure; kidney; consomic rats

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Transcription profiling of rat Adamts16 variants linked to inherited hypertension: gene expression of congenic vs S rats

Project description:We used Affymetrix GeneChips to expression profile kidneys from Dahl salt-senstive hypertensive inbred strain and less hypertensive S.LEW(D1MCO4x1x3Bx1) congenic strain to identify genes downstream of Adamts16 (the function of Adamts16 has yet to be fully delineated). The S.LEW(D1MCO4x1x3Bx1) congenic animal is an S rat containing the LEWIS allele for Adamts16 instead of the S allele. It is hypothesized that allelic differences in Adamts16 in inbred rats is responsible for blood pressure variance. We further hypothesize that gene expression differences in the kidneys of S.LEW(D1MCO4x1x3Bx1) versus S result from sequence differences between the S and LEWIS alleles of Adamts16. Lastly, the downstream genes differentially regulated by the Adamts16 alleles may provide insight pertaining to the mechanism of blood pressure differences. Gene expression differences resulting from these kidney comparisons will be compared to the gene expression profiling experiments comparing siRNA-mediated knockdown of Adamts16 in NRK-52E kidney cells versus scrambled siRNA control. Experiment Overall Design: Kidney RNA from 3 Dahl salt-sensitive rats was extracted for target preparation and hybridization onto Affymetrix GeneChips. We also isolated kidney RNA from 3 S.LEW(D1MCO4x1x3Bx1) congenic rats for target preparation and hybridization onto Affymetrix GeneChips.

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Identification of gene modulating vascular inflammation using chromosome 2 fragment substitutions and RNA sequencing [miRNA-Seq]

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Identification of gene modulating vascular inflammation using chromosome 2 fragment substitutions and RNA sequencing [RNA-Seq]

Project description:Chromosome 2 introgression from normotensive Brown Norway (BN) rats into hypertensive Dahl salt-sensitive (SS) background (consomic S2B) reduced blood pressure (BP) and vascular inflammation under normal salt diet (NSD). We hypothesized that BN chromosome 2 contains anti-inflammatory genes that could reduce BP elevation and vascular inflammation in rats fed NSD and high salt diet (HSD). We used chromosome 2 fragment substitutions to map chromosome 2 portion associated with vascular inflammation changes and next generation sequencing (NGS) to profile messenger RNAs (mRNAs) and non-coding RNAs (ncRNAs) in thoracic descending aorta of SS and congenic rats fed NSD or HSD.

2021-03-22 | GSE149514 | GEO

Transcription profiling of kidney tissue from 5 week old Dahl salt sensitive rats and congenic strain of Chr.10 Dahl salt sensitive rats

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2008-04-03 | E-GEOD-413 | biostudies-arrayexpress

Comparison of renal transcript levels in Dahl Salt-sensitive (S) rat with S.R congenic rat containing a BP QTL

Project description:Kidney samples from three Dahl Salt-sensitive S rats were compared with kidney samples from three S.R(9)x3A congenic rats. Keywords = Blood Pressure Keywords = Quantitative trait locus Keywords = QTL Keywords = hypertension Keywords = rat Keywords = congenic Keywords: parallel sample

2004-09-20 | GSE1775 | GEO

Transcription profiling of Dahl salt-sensitive and salt-resistant congenic rats

Project description:Kidney samples from three Dahl Salt-sensitive S rats were compared with kidney samples from three S.R(9)x3A congenic rats.

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Positional identification of Adamts16 variants linked to inherited hypertension: gene expression of congenic vs S rats

Project description:We used Affymetrix GeneChips to expression profile kidneys from Dahl salt-senstive hypertensive inbred strain and less hypertensive S.LEW(D1MCO4x1x3Bx1) congenic strain to identify genes downstream of Adamts16 (the function of Adamts16 has yet to be fully delineated). The S.LEW(D1MCO4x1x3Bx1) congenic animal is an S rat containing the LEWIS allele for Adamts16 instead of the S allele. It is hypothesized that allelic differences in Adamts16 in inbred rats is responsible for blood pressure variance. We further hypothesize that gene expression differences in the kidneys of S.LEW(D1MCO4x1x3Bx1) versus S result from sequence differences between the S and LEWIS alleles of Adamts16. Lastly, the downstream genes differentially regulated by the Adamts16 alleles may provide insight pertaining to the mechanism of blood pressure differences. Gene expression differences resulting from these kidney comparisons will be compared to the gene expression profiling experiments comparing siRNA-mediated knockdown of Adamts16 in NRK-52E kidney cells versus scrambled siRNA control. Keywords: Genetic modification, disease state analysis

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