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Genome-wide expression analysis in a Fabry disease human podocyte cell line
Normandie Univ, UNIROUEN, INSERM, U1245, CHU Rouen, Department of Metabolic Biochemistry, Referral Center for Lysosomal Diseases, Filiere G2M, 76000, Rouen, France, Filière G2M.
Normandie Univ, UNIROUEN, INSERM U1245 and CHU Rouen, Department of Genetics and reference center for developmental disorders, FHU-G4 Genomique, F-76000, Rouen, France.
KTH, Centres, Science for Life Laboratory, SciLifeLab. KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Protein Science, Systems Biology.ORCID iD: 0000-0002-3721-8586
Normandie Univ, UNIROUEN, INSERM, U1245, CHU Rouen, Department of Metabolic Biochemistry, Referral Center for Lysosomal Diseases, Filiere G2M, 76000, Rouen, France, Filière G2M.
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2024 (English)In: Heliyon, E-ISSN 2405-8440, Vol. 10, no 14, article id e34357Article in journal (Refereed) Published
Abstract [en]

Fabry disease (FD) is an X-linked lysosomal disease caused by an enzyme deficiency of alpha-galactosidase A (α-gal A). This deficiency leads to the accumulation of glycosphingolipids in lysosomes, resulting in a range of clinical symptoms. The complex pathogenesis of FD involves lysosomal dysfunction, altered autophagy, and mitochondrial abnormalities. Omics sciences, particularly transcriptomic analysis, comprehensively understand molecular mechanisms underlying diseases. This study focuses on genome-wide expression analysis in an FD human podocyte model to gain insights into the underlying mechanisms of podocyte dysfunction. Human control and GLA-edited podocytes were used. Gene expression data was generated using RNA-seq analysis, and differentially expressed genes were identified using DESeq2. Principal component analysis and Spearman correlation have explored gene expression trends. Functional enrichment and Reporter metabolite analyses were conducted to identify significantly affected metabolites and metabolic pathways. Differential expression analysis revealed 247 genes with altered expression levels in GLA-edited podocytes compared to control podocytes. Among these genes, 136 were underexpressed, and 111 were overexpressed in GLA-edited cells. Functional analysis of differentially expressed genes showed their involvement in various pathways related to oxidative stress, inflammation, fatty acid metabolism, collagen and extracellular matrix homeostasis, kidney injury, apoptosis, autophagy, and cellular stress response. The study provides insights into molecular mechanisms underlying Fabry podocyte dysfunction. Integrating transcriptomics data with genome-scale metabolic modeling further unveiled metabolic alterations in GLA-edited podocytes. This comprehensive approach contributes to a better understanding of Fabry disease and may lead to identifying new biomarkers and therapeutic targets for this rare lysosomal disorder.

Place, publisher, year, edition, pages
Elsevier BV , 2024. Vol. 10, no 14, article id e34357
Keywords [en]
Fabry disease, Metabolic modeling, Podocyte, RNAseq, Systems biology, Transcriptomics
National Category
Cell and Molecular Biology Medical Genetics and Genomics
Identifiers
URN: urn:nbn:se:kth:diva-350667DOI: 10.1016/j.heliyon.2024.e34357ISI: 001299482300001Scopus ID: 2-s2.0-85198175568OAI: oai:DiVA.org:kth-350667DiVA, id: diva2:1884633
Note

QC 20240719

Available from: 2024-07-17 Created: 2024-07-17 Last updated: 2025-02-10Bibliographically approved

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Zhang, ChengYang, HongMardinoglu, Adil

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