Matches in SemOpenAlex for { <https://semopenalex.org/work/W2611451206> ?p ?o ?g. }
- W2611451206 abstract "cAMP/PKA signalling is compartmentalised with tight spatial and temporal control of signal propagation underpinning specificity of response. The cAMP-degrading enzymes, phosphodiesterases (PDEs), localise to specific subcellular domains within which they control local cAMP levels and are key regulators of signal compartmentalisation. Several components of the cAMP/PKA cascade are located to different mitochondrial sub-compartments, suggesting the presence of multiple cAMP/PKA signalling domains within the organelle. The function and regulation of these domains remain largely unknown. Here, we describe a novel cAMP/PKA signalling domain localised at mitochondrial membranes and regulated by PDE2A2. Using pharmacological and genetic approaches combined with real-time FRET imaging and high resolution microscopy, we demonstrate that in rat cardiac myocytes and other cell types mitochondrial PDE2A2 regulates local cAMP levels and PKA-dependent phosphorylation of Drp1. We further demonstrate that inhibition of PDE2A, by enhancing the hormone-dependent cAMP response locally, affects mitochondria dynamics and protects from apoptotic cell death." @default.
- W2611451206 created "2017-05-12" @default.
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- W2611451206 date "2017-05-02" @default.
- W2611451206 modified "2023-10-16" @default.
- W2611451206 title "PDE2A2 regulates mitochondria morphology and apoptotic cell death via local modulation of cAMP/PKA signalling" @default.
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- W2611451206 doi "https://doi.org/10.7554/elife.21374" @default.
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