Finerenone added to RAS/SGLT2 blockade for non-diabetic chronic kidney disease. Results of a preclinical double-blinded randomized controlled trial.
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE226353 | GEO | 2023/09/01
REPOSITORIES: GEO
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Project description:Finerenone added to RAS/SGLT2 blockade for non-diabetic chronic kidney disease. Results of a preclinical double-blinded randomized controlled trial.
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2008-10-31 | GSE13409 | GEO
Project description:Regulation of mRNA splicing is a critical and tightly regulated cellular function, underlying the majority of proteomic diversity in our genomes. While disruption of this process is common in disease, the basic genetic complexity of alternative splicing in vivo remains poorly understood. To delineate the splicing landscape in disease, we used an integrative genomics approach and combined both genome and exon level transcriptome data in two somatic tissues (cerebella and peripheral ganglia) from a transgenic mouse model of neuroblastoma, a tumor that arises from peripheral ganglia. These data identify splicing quantitative trait loci (sQTL) that modulate differential splicing across the genome. Among these, an sQTL at FUBP1 revealed a splicing event that modulated levels of the MYC oncoprotein in human neuroblastoma-derived cell lines and correlated with outcome in neuroblastoma. Through this unbiased sQTL analysis, we also define de novo splicing motifs that serve as sites for recurrent mutations in cancer and lead to functional changes in exon expression, enhancing our understanding of the cancer genome. Exon expression from Superior Cervical Ganglia and Cerebellum from 102 backcrossed mice (TH-MYCN, FVB/NJ and 129/SvJ) were correlated with 349 genotyping markers to identify putative sQTL The mice were the N1 generation of a backcross between TH-MYCN (FVB/NJ background) and wild-type 129/SvJ: TH-MYCN (FVB/NJ) + 129/SvJ -> F1 (TH-MYCN FVB/NJ,129/SVJ) F1 (TH-MYCN FVB/NJ,129/SVJ) + 129/SvJ -> N1
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Project description:Purpose: MicroRNA-21 contributes to the pathogenesis of fibrogenic diseases in multiple organs including the kidney. To evaluate the therapeutic utility of antimiR-21 oligonucleotides in chronic kidney disease, we silenced miR-21 in mice that develop Alport Nephropathy due to a defect in the Col4a3 gene. The goals of this study to assess the effect of inhibiting miR-21 in the Col4a3-/- Alport Syndrome mouse model at 5.5 weeks of age. Methods: Col4a3-/-, Col4a3+/-, and Col4a3+/+ mice in the 129X1/SvJ genetic background were obtained. Mice received anti–miR-21 (25 mg/kg) or control anti-miR (25mg/kg) in phosphate-buffered saline (PBS) by inter-scapular subcutaneous injection twice per week. In some experiments mice received a range of doses from 12.5mg/kg once a week to 50mg/kg once a week. Anti–miR-21 is a high-affinity oligonucleotide complementary to the active site of miR-21. Mice received injections starting at 24 days (3.5 weeks) after birth and ending at 5, 7, 9 or 16 weeks after birth depending on the study objectives. Total RNA from kidney tissue was extracted as per manufacturerâs instructions (miREASY kit, Qiagen). RNA quality was assessed using BioAnalyzer (Agilent). mRNA expression profiles were determined using next-generation sequencing (NGS) on the Illumina HiSeq 2000 platform producing 50bp paired-end reads. Bowtie/TopHat suites were used to align the reads to mouse genome or transcriptome and RSEM were used to quantify gene abundances. Gene level counts were then normalized with the R/Bioconductor package limma using the voom/variance stabilization method. Results: Anti-miR-21 enhanced PPARα/RXR activity and associated downstream signaling pathways in glomerular, tubular and interstitial cells, enhanced mitochondrial function, which reduced mitochondrial ROS production and preserved tubular cell functions. In addition, inhibition of miR-21 reduced fibrogenic and inflammatory signaling in glomerular and interstitial cells, likely as a consequence of enhanced PPARα/RXR activity and mitochondrial function. Inhibition of miR-21 represents a novel therapeutic strategy for chronic kidney diseases including Alport Nephropathy. Whole kidney mRNA profiles of Col4a3+/- (triplicate) and Col4a3-/- (quadruplicates) mice treated with either PBS or antimiR-21, ending at 5.5 weeks of age, were generated by Next Generation Sequencing using Illumina HiSeq 2000
2015-01-01 | E-GEOD-62294 | biostudies-arrayexpress
Project description:Mus musculus strain:129/SVJ Raw sequence reads
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Project description:Mus musculus strain:129/SVJ Raw sequence reads
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Project description:Purpose: MicroRNA-21 contributes to the pathogenesis of fibrogenic diseases in multiple organs including the kidney. To evaluate the therapeutic utility of antimiR-21 oligonucleotides in chronic kidney disease, we silenced miR-21 in mice that develop Alport Nephropathy due to a defect in the Col4a3 gene. The goals of this study to assess the effect of inhibiting miR-21 in the Col4a3-/- Alport Syndrome mouse model at 9 weeks of age. Methods: Col4a3-/-, Col4a3+/-, and Col4a3+/+ mice in the 129X1/SvJ genetic background were obtained. Mice received anti–miR-21 (25 mg/kg) or control anti-miR (25mg/kg) in phosphate-buffered saline (PBS) by inter-scapular subcutaneous injection twice per week. In some experiments mice received a range of doses from 12.5mg/kg once a week to 50mg/kg once a week. Anti–miR-21 is a high-affinity oligonucleotide complementary to the active site of miR-21. Mice received injections starting at 24 days (3.5 weeks) after birth and ending at 5, 7, 9 or 16 weeks after birth depending on the study objectives. Total RNA from kidney tissue was extracted as per manufacturer’s instructions (miREASY kit, Qiagen). RNA quality was assessed using BioAnalyzer (Agilent). mRNA expression profiles were determined using next-generation sequencing (NGS) on the Illumina HiSeq 2000 platform producing 50bp paired-end reads. Bowtie/TopHat suites were used to align the reads to mouse genome or transcriptome and RSEM were used to quantify gene abundances. Gene level counts were then normalized with the R/Bioconductor package limma using the voom/variance stabilization method. Results: Anti-miR-21 enhanced PPAR?/RXR activity and associated downstream signaling pathways in glomerular, tubular and interstitial cells, enhanced mitochondrial function, which reduced mitochondrial ROS production and preserved tubular cell functions. In addition, inhibition of miR-21 reduced fibrogenic and inflammatory signaling in glomerular and interstitial cells, likely as a consequence of enhanced PPAR?/RXR activity and mitochondrial function. Inhibition of miR-21 represents a novel therapeutic strategy for chronic kidney diseases including Alport Nephropathy. Whole kidney mRNA profiles of wild type and Col4a3-/- mice treated with either PBS or antimiR-21, ending at 9 weeks of age, were generated by Next Generation Sequencing in triplicate using Illumina HiSeq 2000
2015-01-01 | E-GEOD-62292 | biostudies-arrayexpress
Project description:Naïve Treg cells were purified from the resting spleens of FoxP3-GFP knock-in mice made in the 129/SvJ strain. Ascites Treg cells were tumor-associated FoxP3-GFP+ cells sorted from the tumor ascites of 129/SvJ mice IP-injected with 1 x 10e6 RMAS cells 5 days earlier; Spleen-T Treg cells were purified from the spleens of the same tumor-bearing mice. Keywords: in vivo samples Affymetrix MOE430v2 arrays were used to perform gene expression studies. The purity of the sorted Treg cells is >99%.
2008-10-31 | E-GEOD-13409 | biostudies-arrayexpress