Molecular basis for autosomal-dominant renal Fanconi syndrome caused by HNF4A
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ABSTRACT:
PROVIDER: PRJNA586857 | ENA |
REPOSITORIES: ENA
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Project description:A specific missense mutation in the DNA binding domain of HNF4A, R85W, causes Fanconi renotubular syndrome (FRTS). To confirm results found in Drosophila, a direct reprogramming approach was applied. Induced renal epithelial tubular cells (iRECs) were generated using transcription factors Hnf1b, Pax8 and either HNF4A WT or HNF4A R85W. RNA Seq analysis of reprogrammed cells shows mitochondrial dysfunction caused by the R85W mutation.
2019-12-16 | GSE139674 | GEO
Project description: Not available
| S-EPMC6941224 | biostudies-literature
Project description:Autosomal Dominant Polycystic Kidney Disease (ADPKD; MIM ID’s 173900, 601313, 613095) leads to end stage kidney disease, caused by mutations in PKD1 or PKD2. Inactivation of Pkd1 before or after P13 in mice results in distinct early- or late-onset disease. Using a mouse model of ADPKD carrying floxed Pkd1 alleles disrupted using a tamoxifen-inducible Cre recombinase, transcriptomics and metabolomics were applied to follow disease progression in animals induced before P10. Network analysis suggests that Pkd1-cystogenesis does not cause developmental arrest and occurs in the context of gene networks similar to those that regulate/maintain normal kidney morphology/function. These analyses also predict metabolic pathways, notably those controlled by HNF4α, are key elements in postnatal kidney maturation and early steps of cyst formation. To test this hypothesis, metabolic networks were altered by inactivating Hnf4a and Pkd1. The Pkd1/Hnf4a double knock-out have significantly more cystic kidneys thus indicating that modulating metabolic pathways might be an effective therapeutic approach.
2012-11-29 | GSE32586 | GEO
Project description:To elucidate the molecular pathways that modulate renal cyst growth in autosomal dominant polycystic kidney disease (ADPKD) Keywords: Disease state analysis
2009-08-14 | GSE7869 | GEO
Project description:Autosomal Dominant Polycystic Kidney Disease (ADPKD; MIM ID’s 173900, 601313, 613095) leads to end stage kidney disease, caused by mutations in PKD1 or PKD2. Inactivation of Pkd1 before or after P13 in mice results in distinct early- or late-onset disease. Using a mouse model of ADPKD carrying floxed Pkd1 alleles disrupted using a tamoxifen-inducible Cre recombinase, transcriptomics and metabolomics were applied to follow disease progression in animals induced before P10. Network analysis suggests that Pkd1-cystogenesis does not cause developmental arrest and occurs in the context of gene networks similar to those that regulate/maintain normal kidney morphology/function. These analyses also predict metabolic pathways, notably those controlled by HNF4α, are key elements in postnatal kidney maturation and early steps of cyst formation. To test this hypothesis, metabolic networks were altered by inactivating Hnf4a and Pkd1. The Pkd1/Hnf4a double knock-out have significantly more cystic kidneys thus indicating that modulating metabolic pathways might be an effective therapeutic approach. We crossed fifth-generation C57/BL6 Pkd1cond mice to fifth-generation C57/BL6 tamoxifen-Cre (B6.Cg-Tg(Cre/Esr1)5Amc/J mice (stock 004682), Jackson Laboratories) and C57/BL6 congenic B6.129S4-Gt(ROSA)26Sortm1Sor/J (stock 003474, Jackson Laboratories) to produce Pkd1 conditional mice with TamCre (mutant) or without TamCre (control). We induced Cre recombinase activity in mice < 10 days of age by intraperitoneally injecting nursing mothers with tamoxifen (10 mg/40 g) , and harvested kidney samples of control and mutant (34 and 36 animals, respectively) between the ages of 11 and 24 days. Postprocessed files (expression p value<0.05; quantile normalized; merged and corrected for batch-effect using COMBAT) linked below as supplementary files.
2012-11-29 | E-GEOD-32586 | biostudies-arrayexpress
Project description:Autosomal dominant tubulointerstitial kidney disease (ADTKD) caused by UMOD mutations is characterized by strong interfamilial variability. We generated two mutant Umod knock-in mouse models, harbouring two mutations associated with drastic differences in kidney survival in ADTKD patients. We performed bulk RNA-sequencing of kidney extracts from Umod KI mice at an early (1 month) and advanced (4 months) stage of disease.
2022-10-02 | GSE214491 | GEO
Project description:Autosomal dominant VCP hypomorph mutation impairs disaggregation of PHF-tau
| PRJNA659243 | ENA
Project description:Background: Autosomal dominant polycystic kidney disease (ADPKD) affects more than 12 million people worldwide. Mutations in PKD1 and PKD2 cause cyst formation through unknown mechanisms. To unravel the pathogenic mechanisms in ADPKD, multiple studies have investigated transcriptional mis-regulation in cystic kidneys from patients and mouse models, and numerous dysregulated genes and pathways have been described. Yet, the concordance between studies has been rather limited. Furthermore, the cellular and genetic diversity in cystic kidneys has hampered the identification of mis-expressed genes in kidney epithelial cells with homozygous PKD mutations, which are critical to identify polycystin-dependent pathways. Methods: Autosomal dominant polycystic kidney disease (ADPKD) affects more than 12 million people worldwide. Mutations in PKD1 and PKD2 cause cyst formation through unknown mechanisms. To unravel the pathogenic mechanisms in ADPKD, multiple studies have investigated transcriptional mis-regulation in cystic kidneys from patients and mouse models, and numerous dysregulated genes and pathways have been described. Yet, the concordance between studies has been rather limited. Furthermore, the cellular and genetic diversity in cystic kidneys has hampered the identification of mis-expressed genes in kidney epithelial cells with homozygous PKD mutations, which are critical to identify polycystin-dependent pathways. Results: Autosomal dominant polycystic kidney disease (ADPKD) affects more than 12 million people worldwide. Mutations in PKD1 and PKD2 cause cyst formation through unknown mechanisms. To unravel the pathogenic mechanisms in ADPKD, multiple studies have investigated transcriptional mis-regulation in cystic kidneys from patients and mouse models, and numerous dysregulated genes and pathways have been described. Yet, the concordance between studies has been rather limited. Furthermore, the cellular and genetic diversity in cystic kidneys has hampered the identification of mis-expressed genes in kidney epithelial cells with homozygous PKD mutations, which are critical to identify polycystin-dependent pathways. Conclusions: Autosomal dominant polycystic kidney disease (ADPKD) affects more than 12 million people worldwide. Mutations in PKD1 and PKD2 cause cyst formation through unknown mechanisms. To unravel the pathogenic mechanisms in ADPKD, multiple studies have investigated transcriptional mis-regulation in cystic kidneys from patients and mouse models, and numerous dysregulated genes and pathways have been described. Yet, the concordance between studies has been rather limited. Furthermore, the cellular and genetic diversity in cystic kidneys has hampered the identification of mis-expressed genes in kidney epithelial cells with homozygous PKD mutations, which are critical to identify polycystin-dependent pathways.
2021-07-15 | GSE179947 | GEO
Project description:ADPKD (Autosomal dominant polycystic kidney disease) is the most common inherited disorders and is characterized by growth of numerous cysts filled with fluid in the kidneys. Ultimately, it leads to kidney failure. The mutations of PKD1 and PKD2 account for approximately 85 and 15 percent of ADPKD, respectively. However, the mechanisms related to genetic mutation of PKD1 and PKD2 are still unclear. To investigate altered gene expression levels, Affymetrix microarray was performed using the kidney tissue from normal and ADPKD patients.
2012-02-16 | GSE35831 | GEO