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- W4313462534 abstract "The γ-aminobutyric acid type B (GABAB) receptor is a prototypical family C G protein-coupled receptor (GPCR) that plays a key role in the regulation of synaptic transmission. Although growing evidence suggests that GPCR signaling in neurons might be highly organized in time and space, limited information is available about the mechanisms controlling the nanoscale organization of GABAB receptors and other GPCRs on the neuronal plasma membrane. Using a combination of biochemical assays in vitro, single-particle tracking, and super-resolution microscopy, we provide evidence that the spatial organization and diffusion of GABAB receptors on the plasma membrane are governed by dynamic interactions with filamin A, which tethers the receptors to sub-cortical actin filaments. We further show that GABAB receptors are located together with filamin A in small nanodomains in hippocampal neurons. These interactions are mediated by the first intracellular loop of the GABAB1 subunit and modulate the kinetics of Gαi protein activation in response to GABA stimulation." @default.
- W4313462534 created "2023-01-06" @default.
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- W4313462534 date "2023-01-03" @default.
- W4313462534 modified "2023-10-17" @default.
- W4313462534 title "Filamin A organizes γ‑aminobutyric acid type B receptors at the plasma membrane" @default.
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- W4313462534 doi "https://doi.org/10.1038/s41467-022-35708-1" @default.
- W4313462534 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36596803" @default.
- W4313462534 hasPublicationYear "2023" @default.
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