Methods to Study Roles of β-Arrestins in the Regulation of Pancreatic β-Cell Function

Autor: Safia Costes, Stéphane Dalle, Gyslaine Bertrand, Magalie A. Ravier
Přispěvatelé: Institut de Génomique Fonctionnelle (IGF), Université de Montpellier (UM)-Université Montpellier 1 (UM1)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Montpellier 2 - Sciences et Techniques (UM2)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Methods in Molecular Biology
Methods in Molecular Biology, 1957, springer; Humana Press, pp.345-364, 2019, Beta-arrestins, 978-1-4939-9157-0. ⟨10.1007/978-1-4939-9158-7_22⟩
Beta-Arrestins ISBN: 9781493991570
Popis: International audience; Novel findings reveal important functional roles for β-arrestin 1 and β-arrestin 2 in the regulation of insulinsecretion, β-cell survival, and β-cell mass plasticity not only by glucose but also by G-protein-coupledreceptors, such as the glucagon-like peptide-1 (GLP-1) and the pituitary adenylate cyclase-activatingpolypeptide (PACAP) receptors or GPR40, or tyrosine kinase receptors, such as the insulin receptor.Here, we describe experimental protocols to knock down β-arrestins by small interference RNA, to followsubcellular localization of β-arrestins in the cytosol and nucleus of the insulinoma INS-1E rat pancreaticβ-cell line, and to analyze β-arrestin protein expression by Western blot using INS-1E cells and isolatedmouse or human pancreatic islets. We also provide details on how to genotype β-arrestin 2 knockout(Arrb2-/-) mice and to evaluate β-arrestin-mediated roles in β-cell mass plasticity and β-cell signaling usingimmunocytochemistry on pancreatic sections or on primary dispersed β-cells from wild-type mice andArrb2-/- mice.
Databáze: OpenAIRE