The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.
The Nature of the Arrestin·Receptor Complex Determines the Ultimate Fate of the Internalized Receptor
Open accessAbstract
The vast majority of G protein-coupled receptors are desensitized by a uniform two-step mechanism: phosphorylation of an active receptor followed by arrestin binding. The arrestin x receptor complex is then internalized. Internalized receptor can be recycled back to the plasma membrane (resensitization) or targeted to lysosomes for degradation (down-regulation). The intracellular compartment where this choice is made and the molecular mechanisms involved are largely unknown. Here we used two arrestin2 mutants that bind with high affinity to phosphorylated and unphosphorylated agonist-activated beta 2-adrenergic receptor to manipulate the receptor-arrestin interface. We found that mutants support rapid internalization of beta 2-adrenergic receptor similar to wild type arrestin2. At the same time, phosphorylation-independent arrestin2 mutants facilitate receptor recycling and sharply reduce the rate of receptor loss, effectively protecting beta 2-adrenergic receptor from down-regulation even after very long (up to 24 h) agonist exposure. Phosphorylation-independent arrestin2 mutants dramatically reduce receptor phosphorylation in response to an agonist both in vitro and in cells. Interestingly, co-expression of high levels of beta-adrenergic receptor kinase restores receptor down-regulation in the presence of mutants to the levels observed with wild type arrestin2. Our data suggest that unphosphorylated receptor internalized in complex with mutant arrestins recycles faster than phosphoreceptor and is less likely to get degraded. Thus, targeted manipulation of the characteristics of an arrestin protein that binds to a G protein-coupled receptors can dramatically change receptor trafficking and its ultimate fate in a cell.
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Cites
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β-Arrestin 2: A Receptor-Regulated MAPK Scaffold for the Activation of JNK3
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Distinct molecular mechanisms and divergent endocytotic pathways of AMPA receptor internalization
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Cited by
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Marcus, J. N., Aschkenasi, C. J., Lee, C. E., Chemelli, R. M., Saper, C. B., Yanagisawa, M., & Elmquist, J. K. (2001) · Journal of Comparative Neurology · doi:10.1002/cne.1190 · Cited by 1,659
Differential projections of the infralimbic and prelimbic cortex in the rat
Vertes, R. P. (2004) · Synapse · doi:10.1002/syn.10279 · Cited by 1,550
Yin, H. H., Knowlton, B. J., & Balleine, B. W. (2004) · European Journal of Neuroscience · doi:10.1111/j.1460-9568.2004.03095.x · Cited by 1,226
Prefrontal cortex in the rat: Projections to subcortical autonomic, motor, and limbic centers
Gabbott, P. L. A., Warner, T. A., Jays, P. R. L., Salway, P., & Busby, S. J. (2005) · Journal of Comparative Neurology · doi:10.1002/cne.20738 · Cited by 1,227
Revised nomenclature for avian telencephalon and some related brainstem nuclei
Reiner, A., Perkel, D. J., Bruce, L. L., Butler, A. B., Csillag, A., Kuenzel, W., Medina, L., Paxinos, G., Shimizu, T., Striedter, G., et al. (2004) · Journal of Comparative Neurology · doi:10.1002/cne.20118 · Cited by 1,148
Metadata
- Authors
- Pan, L., Gurevich, E. V., & Gurevich, V. V.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2003-03
- Volume
- 278
- Issue
- 13
- Pages
- 11623-11632
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2079311820
- Cited by
- 1,759
- References
- 43
- FWCI
- 49.43
- Type
- journal article
- Language
- en
- Open access
- hybrid
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