منابع مشابه
Ubiquitination-independent trafficking of G protein-coupled receptors to lysosomes.
Ubiquitination of cytoplasmic lysine residues can target G protein-coupled receptors (GPCRs) to proteasomes and has recently been shown to also be required for sorting of certain GPCRs to lysosomes following ligand-induced endocytosis. We addressed the generality of this mechanism by examining regulated proteolysis of the murine delta opioid receptor (DOR) expressed in human embryonic kidney 29...
متن کاملTrafficking of Kainate Receptors
Ionotropic glutamate receptors (iGluRs) mediate the vast majority of excitatory neurotransmission in the central nervous system of vertebrates. In the protein family of iGluRs, kainate receptors (KARs) comprise the probably least well understood receptor class. Although KARs act as key players in the regulation of synaptic network activity, many properties and functions of these proteins remain...
متن کاملHeterologous regulation of trafficking and signaling of G protein-coupled receptors: beta-arrestin-dependent interactions between neurokinin receptors.
Cells express multiple G protein-coupled receptors that are simultaneously or sequentially activated by agonists. The consequences of activating one receptor on signaling and trafficking of another receptor are unknown. We examined the effects of selective activation of the neurokinin 1 receptor (NK1R) on signaling and trafficking of the NK3R and vice versa. Selective agonists of NK1R and NK3R ...
متن کاملIntraflagellar transport-A complex mediates ciliary entry and retrograde trafficking of ciliary G protein–coupled receptors
Cilia serve as cellular antennae where proteins involved in sensory and developmental signaling, including G protein-coupled receptors (GPCRs), are specifically localized. Intraflagellar transport (IFT)-A and -B complexes mediate retrograde and anterograde ciliary protein trafficking, respectively. Using a visible immunoprecipitation assay to detect protein-protein interactions, we show that th...
متن کاملMechanisms governing the activation and trafficking of yeast G protein-coupled receptors.
We have addressed the mechanisms governing the activation and trafficking of G protein-coupled receptors (GPCRs) by analyzing constitutively active mating pheromone receptors (Ste2p and Ste3p) of the yeast Saccharomyces cerevisiae. Substitution of the highly conserved proline residue in transmembrane segment VI of these receptors causes constitutive signaling. This proline residue may facilitat...
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ژورنال
عنوان ژورنال: Circulation Research
سال: 2006
ISSN: 0009-7330,1524-4571
DOI: 10.1161/01.res.0000242563.47507.ce