Results 71 to 80 of about 29,472 (148)

ATHENA: A Phase 3, Open-Label Study Of The Safety And Effectiveness Of Oliceridine (TRV130), A G-Protein Selective Agonist At The µ-Opioid Receptor, In Patients With Moderate To Severe Acute Pain Requiring Parenteral Opioid Therapy. [PDF]

open access: yes, 2019
Background:Pain management with conventional opioids can be challenging due to dose-limiting adverse events (AEs), some of which may be related to the simultaneous activation of β-arrestin (a signaling pathway associated with opioid-related AEs) and G ...
Beard, Timothy L   +10 more
core  

Reciprocal regulation of PKA and rac signaling [PDF]

open access: yes, 2013
Activated G protein-coupled receptors (GPCRs) and receptor tyrosine kinases relay extracellular signals through spatial and temporal controlled kinase and GTPase entities.
A. Riml   +47 more
core   +1 more source

Targeting protein–protein interactions within the cyclic AMP signaling system as a therapeutic strategy for cardiovascular disease [PDF]

open access: yes, 2013
The cAMP signaling system can trigger precise physiological cellular responses that depend on the fidelity of many protein–protein interactions, which act to bring together signaling intermediates at defined locations within cells.
Brunton   +8 more
core   +1 more source

Discovery of functionally selective C5aR2 ligands: novel modulators of C5a signalling. [PDF]

open access: yes, 2016
The complement cascade is comprised of a highly sophisticated network of innate immune proteins that are activated in response to invading pathogens or tissue injury. The complement activation peptide, C5a, binds two seven transmembrane receptors, namely
Blaskovich, M.A.   +11 more
core   +1 more source

Phosphorylation-deficient G-protein-biased μ-opioid receptors improve analgesia and diminish tolerance but worsen opioid side effects [PDF]

open access: yes, 2019
Opioid analgesics are powerful pain relievers; however, over time, pain control diminishes as analgesic tolerance develops. The molecular mechanisms initiating tolerance have remained unresolved to date.
Bailey, A   +8 more
core   +2 more sources

The effect of arrestin conformation on the recruitment of c-Raf1, MEK1, and ERK1/2 activation.

open access: yesPLoS ONE, 2011
Arrestins are multifunctional signaling adaptors originally discovered as proteins that "arrest" G protein activation by G protein-coupled receptors (GPCRs).
Sergio Coffa   +6 more
doaj   +1 more source

Structural and Functional Analysis of a β2-Adrenergic Receptor Complex with GRK5. [PDF]

open access: yes, 2017
The phosphorylation of agonist-occupied G-protein-coupled receptors (GPCRs) by GPCR kinases (GRKs) functions to turn off G-protein signaling and turn on arrestin-mediated signaling.
Adams, Christopher M.   +12 more
core   +2 more sources

Phosducin regulates the expression of transducin betagamma subunits in rod photoreceptors and does not contribute to phototransduction adaptation. [PDF]

open access: yes, 2007
For over a decade, phosducin's interaction with the betagamma subunits of the G protein, transducin, has been thought to contribute to light adaptation by dynamically controlling the amount of transducin heterotrimer available for activation by ...
Arshavsky, Vadim Y   +6 more
core  

Unraveling the molecular architecture of a G protein-coupled receptor/β-arrestin/Erk module complex [PDF]

open access: yes, 2015
International audienceβ-arrestins serve as signaling scaffolds downstream of G protein-coupled receptors, and thus play a crucial role in a plethora of cellular processes.
Azé, Jérôme   +6 more
core   +4 more sources

PAR1 Agonists Stimulate APC-Like Endothelial Cytoprotection and Confer Resistance to Thromboinflammatory Injury [PDF]

open access: yes, 2018
Stimulation of protease-activated receptor 1 (PAR1) on endothelium by activated protein C (APC) is protective in several animal models of disease, and APC has been used clinically in severe sepsis and wound healing.
Aisiku, Omozuanvbo   +10 more
core   +1 more source

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