Lack of beta-arrestin signaling in the absence of active G proteins

Lack of beta-arrestin signaling in the absence of active G proteins

Arrestins terminate signaling from GPCRs, but several lines of evidence suggest that they are also able to transduce signals independently of G proteins. Here, the authors systematically ablate G proteins in cell lines, and show that arrestins are unable to act as genuine signal initiators.

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Auteurs principaux: Manuel Grundmann, Nicole Merten, Davide Malfacini, Asuka Inoue, Philip Preis, Katharina Simon, Nelly Rüttiger, Nicole Ziegler, Tobias Benkel, Nina Katharina Schmitt, Satoru Ishida, Ines Müller, Raphael Reher, Kouki Kawakami, Ayumi Inoue, Ulrike Rick, Toni Kühl, Diana Imhof, Junken Aoki, Gabriele M. König, Carsten Hoffmann, Jesus Gomeza, Jürgen Wess, Evi Kostenis
Format: article
Langue:EN
Publié: Nature Portfolio 2018
Sujets:
Science
Q
Accès en ligne:https://doaj.org/article/e038d4ec42a84fe0b5f232ccf68a180d
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Résumé:Arrestins terminate signaling from GPCRs, but several lines of evidence suggest that they are also able to transduce signals independently of G proteins. Here, the authors systematically ablate G proteins in cell lines, and show that arrestins are unable to act as genuine signal initiators.

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