Transcriptomics

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Dysregulated mesenchymal PDGFR-β drives kidney fibrosis


ABSTRACT: Kidney fibrosis is characterized by expansion and activation of platelet-derived growth factor receptor-β (PDGFR-β) positive mesenchymal cells. To study the consequences of PDGFR-ß activation, we developed a model of primary renal fibrosis using transgenic mice with PDGFR-β activation specifically in renal mesenchymal cells, driving their pathological proliferation and phenotypic switch towards myofibroblasts. This resulted in progressive mesangioproliferative glomerulonephritis, mesangial sclerosis and interstitial fibrosis with progressive anemia due to loss of erythropoietin production by fibroblasts. We used microarrays to compare wildtype animals (Foxd1_wt Pdgfrb_wt) to animals with constitutive mesenchymal PDGFR-β activation (Foxd1_mt Pdgfrb V536A) in the kidney to identify target genes of PDGFR-β signaling.

ORGANISM(S): Mus musculus

PROVIDER: GSE138819 | GEO | 2019/12/06

REPOSITORIES: GEO

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