GPCR kinase knockout cells reveal the impact of individual GRKs on arrestin binding and GPCR regulation
J. Drube,
R. S. Haider,
E. S. F. Matthees,
M. Reichel,
J. Zeiner,
S. Fritzwanker,
C. Ziegler,
S. Barz,
L. Klement,
J. Filor,
V. Weitzel,
A. Kliewer,
E. Miess-Tanneberg,
E. Kostenis,
S. Schulz and
C. Hoffmann ()
Additional contact information
J. Drube: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
R. S. Haider: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
E. S. F. Matthees: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
M. Reichel: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
J. Zeiner: University of Bonn
S. Fritzwanker: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
C. Ziegler: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
S. Barz: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
L. Klement: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
J. Filor: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
V. Weitzel: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
A. Kliewer: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
E. Miess-Tanneberg: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
E. Kostenis: University of Bonn
S. Schulz: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
C. Hoffmann: Universitätsklinikum Jena, Friedrich-Schiller-Universität Jena
Nature Communications, 2022, vol. 13, issue 1, 1-18
Abstract:
Abstract G protein-coupled receptors (GPCRs) activate G proteins and undergo a complex regulation by interaction with GPCR kinases (GRKs) and the formation of receptor–arrestin complexes. However, the impact of individual GRKs on arrestin binding is not clear. We report the creation of eleven combinatorial HEK293 knockout cell clones lacking GRK2/3/5/6, including single, double, triple and the quadruple GRK knockout. Analysis of β-arrestin1/2 interactions for twelve GPCRs in our GRK knockout cells enables the differentiation of two main receptor subsets: GRK2/3-regulated and GRK2/3/5/6-regulated receptors. Furthermore, we identify GPCRs that interact with β-arrestins via the overexpression of specific GRKs even in the absence of agonists. Finally, using GRK knockout cells, PKC inhibitors and β-arrestin mutants, we present evidence for differential receptor–β-arrestin1/2 complex configurations mediated by selective engagement of kinases. We anticipate our GRK knockout platform to facilitate the elucidation of previously unappreciated details of GRK-specific GPCR regulation and β-arrestin complex formation.
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28152-8
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DOI: 10.1038/s41467-022-28152-8
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