[HTML][HTML] Biased G protein-coupled receptor signaling: new player in modulating physiology and pathology

Z Bologna, J Teoh, AS Bayoumi, Y Tang… - Biomolecules & …, 2017 - ncbi.nlm.nih.gov
G protein-coupled receptors (GPCRs) are a family of cell-surface proteins that play critical
roles in regulating a variety of pathophysiological processes and thus are targeted by almost …

Unraveling allostery within the angiotensin II type 1 receptor for Gαq and β-arrestin coupling

Y Cao, WJC van der Velden, Y Namkung… - Science …, 2023 - science.org
G protein–coupled receptors engage both G proteins and β-arrestins, and their coupling can
be biased by ligands and mutations. Here, to resolve structural elements and mechanisms …

Allosteric communication regulates ligand‐specific GPCR activity

N Ma, AK Nivedha, N Vaidehi - The FEBS journal, 2021 - Wiley Online Library
G protein‐coupled receptors (GPCRs) are membrane‐bound proteins that are ubiquitously
expressed in many cell types and take part in mediating multiple signaling pathways …

Functional selectivity profiling of the angiotensin II type 1 receptor using pathway-wide BRET signaling sensors

Y Namkung, C LeGouill, S Kumar, Y Cao… - Science …, 2018 - science.org
G protein–coupled receptors (GPCRs) are important therapeutic targets that exhibit
functional selectivity (biased signaling), in which different ligands or receptor variants elicit …

Conformational plasticity of the intracellular cavity of GPCR− G-protein complexes leads to G-protein promiscuity and selectivity

M Sandhu, AM Touma, M Dysthe… - Proceedings of the …, 2019 - National Acad Sciences
While the dynamics of the intracellular surface in agonist-stimulated GPCRs is well studied,
the impact of GPCR dynamics on G-protein selectivity remains unclear. Here, we combine …

Conformational complexity and dynamics in a muscarinic receptor revealed by NMR spectroscopy

J Xu, Y Hu, J Kaindl, P Risel, H Hübner, S Maeda… - Molecular cell, 2019 - cell.com
The M2 muscarinic acetylcholine receptor (M2R) is a prototypical GPCR that plays important
roles in regulating heart rate and CNS functions. Crystal structures provide snapshots of the …

Conformational profiling of the AT1 angiotensin II receptor reflects biased agonism, G protein coupling, and cellular context

D Devost, R Sleno, D Pétrin, A Zhang, Y Shinjo… - Journal of Biological …, 2017 - ASBMB
Here, we report the design and use of G protein-coupled receptor-based biosensors to
monitor ligand-mediated conformational changes in receptors in intact cells. These …

Exploring Structural Determinants of Bias among D4 Subtype-Selective Dopamine Receptor Agonists

F Graßl, L Bock, A Huete-Huerta González… - Journal of Medicinal …, 2023 - ACS Publications
The high affinity dopamine D4 receptor ligand APH199 and derivatives thereof exhibit bias
toward the Gi signaling pathway over β-arrestin recruitment compared to quinpirole. Based …

Discovery of G Protein-Biased Dopaminergics with a Pyrazolo[1,5-a]pyridine Substructure

D Möller, A Banerjee, TC Uzuneser… - Journal of Medicinal …, 2017 - ACS Publications
1, 4-Disubstituted aromatic piperazines are privileged structural motifs recognized by
aminergic G protein-coupled receptors. Connection of a lipophilic moiety to the …

BRET-Based Biosensors to Measure Agonist Efficacies in Histamine H1 Receptor-Mediated G Protein Activation, Signaling and Interactions with GRKs and β …

EWE Verweij, R Bosma, M Gao, J van den Bor… - International Journal of …, 2022 - mdpi.com
The histamine H1 receptor (H1R) is a G protein-coupled receptor (GPCR) and plays a key
role in allergic reactions upon activation by histamine which is locally released from mast …