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Intact ureteric buds gene expression with AngII treatment

ABSTRACT: Compare the gene expression in intact Ubs after treated with AngII vs. Media, determine the key genes related to the ub branching gene expression change pattern.

ORGANISM(S): Mus musculus

PROVIDER: GSE24932 | GEO | 2010/11/01

SECONDARY ACCESSION(S): PRJNA131923

REPOSITORIES: GEO

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Intact ureteric buds gene expression with AngII treatment

Project description:Compare the gene expression in intact Ubs after treated with AngII vs. Media, determine the key genes related to the ub branching gene expression change pattern. Two condition experiments, media and AngII. Biological replicate. Two for media samples, two for AngII treatment samples.

2010-11-01 | E-GEOD-24932 | biostudies-arrayexpress

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Project description:Proteinuria is pathogenic to proximal tubular cells (PTC) and linked with progression to renal failure. Angiotensin II (AngII) is also independently involved in the pathogenesis of progressive renal injury in varied kidney disease. The effects of human serum albumin (HSA) overload, AngII and candesartan, a specific inhibitor of AngII type 1 recptor, on the changes in gene protein expression stimulated by oxidative stress in PTC were assesed using cDNA microarrays. Keywords: stress response Cells were growth arrested for 48 h in serum-free DMEM/Ham's F-12 medium with 5.5 mM glucose, 2 mM L-glutamine,100 U/ml penicillin, 100 ug/ml streptomycin, 20 mM Hepes. Media were refreshed and cells were incubated for 24h in conditioned media alone, or with media supplemented with 30mg/ml of different HSA preparations, 1 uM AngII or AngII in the presence of candesartan. After further 24 h under standard cell culture conditions (37C, 5% CO2) cells were subjected to RNA extraction.

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Control vs. AngII Infusion

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Project description:Transcriptional profiling of mouse embryonic kidneys (E13.5) comparing UB HDAC1,2-/- kidneys with wild type kidneys. Studies in our lab showed that histone deacetylase 1 (HDAC1) and 2 (HDAC2) perform redundant, yet essential functions in the developing mouse ureteric bud (UB) tissue. Double deletion of HDAC1 and HDAC2 in the UB results in impaired UB branching morphogenesis, followed by severe kidney dysgenesis. The goal of the microarray analysis was to identify the genetic pathways controlled by HDAC1 and 2 in the UB. Two-condition experiment: E13.5 mutant kidneys (UB HDAC1,2-/-) vs. E13.5 wild type kidneys . Biological replicates: 4 control replicates, 4 UB HDAC1,2-/- replicates. Two-color Agilent 4x44k chips with dye-swaps on 2 of 4 arrays.

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