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beta-arrestin-1 competitively inhibits insulin-induced ubiquitination and degradation of insulin receptor substrate 1.
(Mol Cell Biol, 2004-10)
beta-arrestin-1 is an adaptor protein that mediates agonist-dependent internalization
and desensitization of G-protein-coupled receptors (GPCRs) and also participates in
the process of heterologous desensitization between ...
beta-Arrestin-mediated PDE4 cAMP phosphodiesterase recruitment regulates beta-adrenoceptor switching from Gs to Gi.
(Proc Natl Acad Sci U S A, 2003-02-04)
Phosphorylation of the beta(2) adrenoreceptor (beta(2)AR) by cAMP-activated protein
kinase A (PKA) switches its predominant coupling from stimulatory guanine nucleotide
regulatory protein (G(s)) to inhibitory guanine nucleotide ...
Activation and targeting of extracellular signal-regulated kinases by beta-arrestin scaffolds.
(Proc Natl Acad Sci U S A, 2001-02-27)
Using both confocal immunofluorescence microscopy and biochemical approaches, we have
examined the role of beta-arrestins in the activation and targeting of extracellular
signal-regulated kinase 2 (ERK2) following stimulation ...
Regulation of G protein-coupled receptor signaling by scaffold proteins.
(Circ Res, 2002-10-18)
The actions of many hormones and neurotransmitters are mediated through stimulation
of G protein-coupled receptors. A primary mechanism by which these receptors exert
effects inside the cell is by association with heterotrimeric ...
beta-Arrestin1 mediates nicotinic acid-induced flushing, but not its antilipolytic effect, in mice.
(J Clin Invest, 2009-05)
Nicotinic acid is one of the most effective agents for both lowering triglycerides
and raising HDL. However, the side effect of cutaneous flushing severely limits patient
compliance. As nicotinic acid stimulates the GPCR ...
Differential mechanisms of morphine antinociceptive tolerance revealed in (beta)arrestin-2 knock-out mice.
(J Neurosci, 2002-12-01)
Morphine induces antinociception by activating mu opioid receptors (muORs) in spinal
and supraspinal regions of the CNS. (Beta)arrestin-2 (beta)arr2), a G-protein-coupled
receptor-regulating protein, regulates the muOR in ...
Enhanced rewarding properties of morphine, but not cocaine, in beta(arrestin)-2 knock-out mice.
(J Neurosci, 2003-11-12)
The reinforcing and psychomotor effects of morphine involve opiate stimulation of
the dopaminergic system via activation of mu-opioid receptors (muOR). Both mu-opioid
and dopamine receptors are members of the G-protein-coupled ...
Beta-arrestin-mediated beta1-adrenergic receptor transactivation of the EGFR confers cardioprotection.
(J Clin Invest, 2007-09)
Deleterious effects on the heart from chronic stimulation of beta-adrenergic receptors
(betaARs), members of the 7 transmembrane receptor family, have classically been shown
to result from Gs-dependent adenylyl ...
Independent beta-arrestin 2 and G protein-mediated pathways for angiotensin II activation of extracellular signal-regulated kinases 1 and 2.
(Proc Natl Acad Sci U S A, 2003-09-16)
Stimulation of a mutant angiotensin type 1A receptor (DRY/AAY) with angiotensin II
(Ang II) or of a wild-type receptor with an Ang II analog ([sarcosine1,Ile4,Ile8]Ang
II) fails to activate classical heterotrimeric G protein ...
Defective lymphocyte chemotaxis in beta-arrestin2- and GRK6-deficient mice.
(Proc Natl Acad Sci U S A, 2002-05-28)
Lymphocyte chemotaxis is a complex process by which cells move within tissues and
across barriers such as vascular endothelium and is usually stimulated by chemokines
such as stromal cell-derived factor-1 (CXCL12) acting ...