Conformational basis of G protein-coupled receptor signaling versatility

LM Wingler, RJ Lefkowitz - Trends in cell biology, 2020 - cell.com
G protein-coupled receptors (GPCRs) are privileged structural scaffolds in biology that have
the versatility to regulate diverse physiological processes. Interestingly, many GPCR ligands …

Molecular basis of opioid receptor signaling

T Che, BL Roth - Cell, 2023 - cell.com
Opioids are used for pain management despite the side effects that contribute to the opioid
crisis. The pursuit of non-addictive opioid analgesics remains unattained due to the …

Molecular mechanism of biased signaling in a prototypical G-protein-coupled receptor

CM Suomivuori, NR Latorraca, LM Wingler… - Biophysical …, 2020 - cell.com
Over one-third of current drugs target G-protein-coupled receptors (GPCRs). Leveraging the
phenomenon of biased signaling, where different ligands that bind to the same GPCR …

GPCR biosensors to study conformational dynamics and signaling in drug discovery

VR Saca, C Burdette, TP Sakmar - Annual Review of …, 2024 - annualreviews.org
G protein–coupled receptors (GPCRs) are a superfamily of transmembrane signal
transducers that facilitate the flow of chemical signals across membranes. GPCRs are a …

Identification of a β-arrestin-biased negative allosteric modulator for the β2-adrenergic receptor

M Ippolito, F De Pascali, N Hopfinger… - Proceedings of the …, 2023 - National Acad Sciences
Catecholamine-stimulated β2-adrenergic receptor (β2AR) signaling via the canonical Gs–
adenylyl cyclase–cAMP–PKA pathway regulates numerous physiological functions …

Biased GPCR signaling: Possible mechanisms and inherent limitations

VV Gurevich, EV Gurevich - Pharmacology & therapeutics, 2020 - Elsevier
G protein-coupled receptors (GPCRs) are targeted by about a third of clinically used drugs.
Many GPCRs couple to more than one type of heterotrimeric G proteins, become …

Structural basis of GPCR coupling to distinct signal transducers: implications for biased signaling

M Seyedabadi, M Gharghabi, EV Gurevich… - Trends in biochemical …, 2022 - cell.com
Three classes of G-protein-coupled receptor (GPCR) partners–G proteins, GPCR kinases,
and arrestins–preferentially bind active GPCRs. Our analysis suggests that the structures of …

Receptor-arrestin interactions: the GPCR perspective

M Seyedabadi, M Gharghabi, EV Gurevich… - Biomolecules, 2021 - mdpi.com
Arrestins are a small family of four proteins in most vertebrates that bind hundreds of
different G protein-coupled receptors (GPCRs). Arrestin binding to a GPCR has at least three …

Biased agonism at β-adrenergic receptors

M Ippolito, JL Benovic - Cellular signalling, 2021 - Elsevier
The β-adrenergic receptors (βARs) include three subtypes, β 1, β 2 and β 3. These receptors
are widely expressed and regulate numerous physiological processes including …

In silico identification of a β2-adrenoceptor allosteric site that selectively augments canonical β2AR-Gs signaling and function

SD Shah, C Lind, F De Pascali… - Proceedings of the …, 2022 - National Acad Sciences
Activation of β2-adrenoceptors (β2ARs) causes airway smooth muscle (ASM) relaxation and
bronchodilation, and β2AR agonists (β-agonists) are front-line treatments for asthma and …