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ERRγ coordinates a transcriptional program of mitochondrial and renal reabsorptive functions implicated in kidney disease [ChIP-seq]

ABSTRACT: Here we show that estrogen-related receptor γ (ERRγ) is an essential transcriptional coordinator of both renal mitochondrial and reabsorptive functions. ERRγ is highly and specifically expressed in the RECs, and its expression correlates with kidney function in humans. We generated REC-ERRγ KO mice which developed severe renal mitochondrial and reabsorptive dysfunction and fluid-filled cysts. Transcriptome and cistrome analysis revealed that ERRγ directly regulates mitochondrial metabolism and renal reabsorption. ChIP-reChIP-Seq studies further suggest that ERRγ employs a distinct mechanism to regulate renal reabsorption genes through functional cooperation with hepatic nuclear factor 1 beta (HNF1β), mutations of which cause strikingly similar renal dysfunction and cysts in humans and animals. Together these findings reveal a novel role for ERRγ in simultaneously coordinating a transcriptional program for renal energy production via mitochondria and energy consumption to perform reabsorptive functions required for normal kidney function

ORGANISM(S): Mus musculus

PROVIDER: GSE104905 | GEO | 2018/04/25

REPOSITORIES: GEO

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ERRγ coordinates a transcriptional program of mitochondrial and renal reabsorptive functions implicated in kidney disease [RNA-seq]

Project description:Here we show that estrogen-related receptor γ (ERRγ) is an essential transcriptional coordinator of both renal mitochondrial and reabsorptive functions. ERRγ is highly and specifically expressed in the RECs, and its expression correlates with kidney function in humans. We generated REC-ERRγ KO mice which developed severe renal mitochondrial and reabsorptive dysfunction and fluid-filled cysts. Transcriptome and cistrome analysis revealed that ERRγ directly regulates mitochondrial metabolism and renal reabsorption. ChIP-reChIP-Seq studies further suggest that ERRγ employs a distinct mechanism to regulate renal reabsorption genes through functional cooperation with hepatic nuclear factor 1 beta (HNF1β), mutations of which cause strikingly similar renal dysfunction and cysts in humans and animals. Together these findings reveal a novel role for ERRγ in simultaneously coordinating a transcriptional program for renal energy production via mitochondria and energy consumption to perform reabsorptive functions required for normal kidney function

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ERRγ coordinates a transcriptional program of mitochondrial and renal reabsorptive functions implicated in kidney disease

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ERRγ links adaptive neuronal metabolism to spatial learning and memory [ChIP-Seq]

Project description:Neurons utilize glucose to generate adenosine triphosphate (ATP) essential for their survival, excitability and synaptic signaling, as well as initiating changes in neuronal structure and function. Defects in oxidative metabolism and mitochondria functions are also associated with aging and diverse human neurological diseases1-4. While neurons are known to adapt their metabolism to meet the increased energy demands of complex behaviors such as learning and memory, the molecular underpinnings regulating this process remain poorly understood4-6. Here we show that the orphan nuclear receptor estrogen related receptor gamma (ERRγ) becomes highly expressed during retinoic-acid induced neurogenesis and is widely expressed in neuronal nuclei throughout the brain. Mechanistically, we show that ERRγ directly orchestrates the expression of networks of genes involved in mitochondrial oxidative phosphorylation and energy generation in neurons. The importance of this regulation is evidenced by decreased adaptive metabolic capacity in cultured neurons lacking ERRγ, and reduced long-term potentiation (LTP) in ERRγ-/- hippocampal slices. Notably, the defect in LTP was rescued by the metabolic intermediate pyruvate, functionally linking the ERRγ knockout metabolic phenotype and memory formation. Consistent with this notion, mice lacking neuronal ERRγ exhibit defects in spatial learning and memory. These findings implicate ERRγ in the metabolic adaptations required for long-term memory formation. We used ChIP-Seq analysis to determine the genome-wide binding of ERRγ in neurons derived from ES cells.

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ERRγ links adaptive neuronal metabolism to spatial learning and memory [Array data]

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