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- W3213254976 endingPage "109408" @default.
- W3213254976 startingPage "109408" @default.
- W3213254976 abstract "Modulation of neuronal circuit activity is key to information processing in the brain. G protein-coupled receptors (GPCRs), the targets of most neuromodulatory ligands, show extremely diverse expression patterns in neurons and receptors can be localized in various sub-neuronal membrane compartments. Upon activation, GPCRs promote signaling cascades that alter the level of second messengers, drive phosphorylation changes, modulate ion channel function, and influence gene expression, all of which critically impact neuron physiology. Because of its high degree of complexity, this form of interneuronal communication has remained challenging to integrate into our conceptual understanding of brain function. Recent technological advances in fluorescence microscopy and the development of optical biosensors now allow investigating neuromodulation with unprecedented resolution on the level of individual cells. In this review, we will highlight recent imaging techniques that enable determining the precise localization of GPCRs in neurons, with specific focus on the subcellular and nanoscale level. Downstream of receptors, we describe novel conformation-specific biosensors that allow for real-time monitoring of GPCR activation and of distinct signal transduction events in neurons. Applying these new tools has the potential to provide critical insights into the function and organization of GPCRs in neuronal cells and may help decipher the molecular and cellular mechanisms that underlie neuromodulation." @default.
- W3213254976 created "2021-11-22" @default.
- W3213254976 creator A5004379943 @default.
- W3213254976 creator A5081419797 @default.
- W3213254976 creator A5084301165 @default.
- W3213254976 date "2022-01-01" @default.
- W3213254976 modified "2023-10-18" @default.
- W3213254976 title "Optical tools to study the subcellular organization of GPCR neuromodulation" @default.
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