Together with Irina Kufareva , UCSD, her team developed a novel approach to identifying ligands for orphan GPCRs by developing a powerful new computational tool for identifying ‘surrogate’ ligands (borrowed inaccessible receptors to well-characterized and understood ‘unlocked’ therapeutic targets with high-affinity ligands

Her research integrates behavioral pharmacology, ligand-directed signaling, and mouse models of migraine and the kappa link 22:22 CGRP, PACAP, and why GPCR drug discovery is not out of runway 28:54 Biased ligands "Maybe the disease state where delta ligands would really be effective would be in headache disorders Brigitte Kieffer , where she studied ligand-directed signaling at the delta-opioid receptor. Amynah studied how arrestins regulate ligand-directed signaling at delta-opioid receptors, and it is

not as smell receptors but as general-purpose chemosensors — scattered across the body and tuned to ligands Both started as receptors with no known ligand, no known localization, and no reason to expect physiological calls are often ambiguous, and in the Pluznick lab's hands, putative orthologs frequently fail to share ligand my first love" 08:45 Renin, blood pressure, and a glucose-handling receptor 12:14 Localization and ligand regulating renal and cardiovascular function, and identifying renal/cardiovascular olfactory receptor ligands

Why This Matters Computational models are moving beyond interpretation into real-world prediction of ligand-receptor should predict , not just explain How his team uses structure-based modeling to identify novel GPCR ligands His team focuses on understanding how ligands modulate receptor function and how those insights can drive Outside academia, he advises companies through a consulting arm focused on ligand design strategy.

Lefkowitz , where his research focused on biased agonism, with the development of approaches to quantify ligand The chemokine system is relatively unique in having multiple receptors and multiple ligands that display His group and others have shown that many of these ligands act as biased agonists for the same receptor

Receptor density and coupling efficiency change what a ligand appears to do, which is part of why in presents functional volume control, the deliberate tuning of system sensitivity, as a way to separate a ligand's Multiple mechanisms of action: cAMP accumulation, β-arrestin recruitment, receptor internalization, ligand detection kits, and custom products Applications across target identification, HTS, lead optimization, ligand

The discussion also explores GPCRs beyond the cell surface — including caged ligands designed to drug on the nuclear and mitochondrial membranes represent an untapped pharmacological frontier, and caged ligands when expressed in HEK293 cells versus vascular smooth muscle cells, even when challenged with the same ligand argues this was not a failure of the concept but of incomplete pharmacological characterization — the ligand Hebert's lab developed caged ligands that cross the plasma membrane and are uncaged intracellularly,

Earlier, at GSK, she contributed to the identification of RAMP proteins, the GABA-B heterodimer, and ligands The Ligand That Wasn't the Ligand Screening orphan receptors in yeast, the team chased peptide hits that Biased Agonism Needs Human Biology, Not Just Pathway Dials The promise of biased ligands — pulling one So it turned out that the ligands were not the peptides at all."

exploring the effect of subcellular location on the signaling profile of CXCR3’s three endogenous biased ligands receptor phosphorylation in the differential signaling outputs of biased agonists, and demonstrating the ligand

The conversation explores the realities of using fluorescence-based assays, the challenge of translating

development of FRET/BRET -based GPCR conformational biosensors, which can be employed in high throughput ligand recently awarded a Marie Sklodowska Curie PostDoc Fellowship in order to investigate and find better ligands

GPCR Product Solutions Determine rank-order hits, evaluate ligand bias or allostery, study multiple targets Multiple Mechanisms of Actions (MOA) cAMP accumulation β-Arrestin recruitment Receptor internalization Ligand A. cAMP dose–response; B. β-arrestin recruitment showing ligand bias; and C.

than a single seven-transmembrane protein, reshaping thinking about peptide receptor activation and ligand ’s early large-scale genetics initiative, integrating GPCR targets, ion channels, transporters, and ligands Foord describes a period where his group repeatedly identified ligands for orphan receptors: the second target validation is a distinct and often more challenging problem than receptor cloning or initial ligand

DARPA-funded effort his lab is leading to answer that question through structure-guided drug discovery, biased ligand about this: with sufficient medicinal chemistry resources and modern assays, you can make a biased ligand The bet is that biased ligands at the serotonin 2A receptor can separate the two. For analytical work on biased ligands, Dr.

1,000 amino acids, autoproteolytic cleavage at the membrane, and a near-total absence of characterized ligands research logic 01:13:45 Assays: BRET, FRET, microscopy, flow cytometry, and engineering membrane-anchored ligands Angiotensin and Urotensin receptors through various biochemical approaches centered in the elucidation of ligand After a relocation to Stanford University where he pioneered work on ligand discovery for then orphan events in biasing latrophilins’ regulation of cyclic AMP pathways and for determining the magnitude of ligand

These ligands stimulate receptor β-arrestin recruitment without activating canonical G protein signaling Critically, these ligands reduce addiction-associated behaviors in animal models without the side effects

center of that problem is biased agonism: the differential engagement of downstream pathways by distinct ligands cycle regulation and the kinetic roles of RGS and GoLoco proteins Biased agonism at class B GPCRs - ligand-dependent Zhao describes how the objective of biased agonism research at the GLP-1 receptor is to develop ligand research focuses on class B GPCRs and understanding how GPCR signaling and function is mediated by various ligands

. - Arthur will work on designing ligands for specific receptors, aiming to create biased agonists for Arthur explained the concept of endogenous allosteric ligands and the possibility of using a neutral allosteric ligand as a preferred therapeutic approach, emphasizing the importance of looking for low

library his team developed by collecting known GPCR-binding sequences from protein, peptide, and antibody ligands synthesis and the end of degenerate oligos in library design Motif-directed library design — encoding ligand-binding The same library has produced antibodies against orphan GPCRs and receptors without peptide ligands,

Technology Evolution and Ligand Residence Time Prediction Yamina Berchiche and Aurelien Rizk discussed The conversation also revolved around the company's ability to predict the residence time of a ligand The discussion concluded with the idea that ligand residence time could be an important factor in effective

His work focuses on developing novel β₂-adrenergic ligands that selectively engage signaling pathways Activation of a receptor can generate multiple signaling pathways, and different ligands can bias signaling Different ligands can bias signaling toward different pathways. That observation opened the door to separating signaling pathways and designing new β₂ ligands.

learning from known peptides Generative models, scoring functions, and the role of molecular dynamics in ligand Random-forest classifiers trained on known peptide ligands can find new orphan-receptor pairings. best leverage these exciting new techniques in areas such as protein structure prediction, bioactive ligand

receptors, scaffold proteins, and cytoskeletal components, and those interactions reshape conformation, ligand The development of NanoBRET - including live-cell ligand binding assays built on CRISPR-expressed receptors instead 22:21 What a PhD actually trains you for 25:42 NanoBRET, live-cell assay design, and the CRISPR ligand

The chemokine system — roughly 50 ligands for 20 receptors — was framed for decades as redundant because mutants and her PhD characterization of natural chemokines binding CCR2B showed the opposite: distinct ligands that variants encoded by the same gene can recruit different signaling outputs in response to the same ligands

first experimental demonstrations that a GPCR could signal through parallel G protein pathways in a ligand-dependent principle The central argument of Arey's 2014 book is that the bimodal structure of receptor signaling - a ligand-binding effector-binding pocket with its own independent affinity, both modulated by the conformational state the ligand

Clinical Trial Results for mGlu2 Ligands Have Not Been Made Public Johnson noted that multiple clinical trials testing mGlu2 ligands in substance use disorders - including for smoking cessation and cocaine Operant behavioral models: how habit formation is measured in mice 25:25 Clinical trials for mGlu2 ligands

These ligands stimulate receptor β-arrestin recruitment without activating canonical G protein signaling Critically, these ligands reduce addiction-associated behaviors in animal models without the side effects

When the pharmacological properties of these new ligands are deemed exceptional, a lead optimization

Modulators of Purinergic GPCRs <p class="font_8">Watch Now</p> Terry Kenakin Designing with Time: GPCR Ligand the Receptor–Transducer Interface <p class="font_8">Watch Now</p> Terry Kenakin Unconventional GPCR Ligands

activity and inverse agonism - a first-in-kind finding at wild-type FFA2 and its implications for biased ligand the approval rate argument, and why orphan receptor targeting may not require knowing the endogenous ligand particularly for orphan GPCRs, where compounds are already being developed against receptors whose endogenous ligands