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This week's highlight includes congrats to: Makaía M Papasergi-Scott, Peter Gmeiner, Brian K Kobilka,

. 👉 Founders often look back and say that nothing felt broken. The science was sound. It is structural. 👉 Biotech startup failure of this kind is difficult to spot precisely because nothing Nothing has collapsed. Metrics may even look acceptable. Over time, this sideways motion becomes costly, both financially and organizationally. 👉 By the time

Franziska M Heydenreich, Michel Bouvier, Brian Kobilka, M Madan Babu, and their team's work on Molecular

Studying their dynamics in both a spatial and temporal manner is key to understanding how they work in fluorescent probes must have high specificity, minimal phototoxicity and preferably be compatible with both This is why fluorescent tags, both attached to the protein or to pharmacophores, are so interesting. image stacks, facilitating the reconstruction of GPCR distribution in tissue-like environment , in both

in β-arrestin recruitment across class B1 GPCRs  – GPCR mutations in cancer—drivers, passengers, or both Research presents CELT-419, a nanomolar-affinity fluorescent ligand optimized for D3 receptor assays in both GPCR mutations in cancer   show both driver-like patterns and high redundancy, prompting a call for multiomics

a Family A GPCR Jun Xu , Geng Chen , Haoqing Wang , Sheng Cao , Jie Heng , Xavier Deupi , Yang Du , Brian

Matters Connect with peers across biotech, CROs, and investment who are driving discovery forward Meet both identification, target validation, assay development, compound management, and high-throughput screening in both Screening campaigns can be performed using Axxam’s high-quality compound collections—both synthetic and

Without a clear biotech positioning, there is nothing to anchor the conversation. increases confidence and coherence Alignment can be tested quickly , saving time and emotional energy on both External conversations become easier because both sides know what is being evaluated.

especially those emerging from cytotoxicity or off-target activities, risks catastrophic consequences for both A scaffold exhibiting hERG inhibition is an immediate candidate for discontinuation, as the risk is both Kenakin clarifies that both direct hepatotoxic effects and conditional toxicities, such as those driven

Serafini noted that RGS4 was especially intriguing because it was expressed robustly both in the peripheral system and in central circuits like the prefrontal cortex and thalamus  — areas deeply involved in both

Studies on MC4R show that both the agonist alpha-MSH and the antagonist AgRP drive receptor internalization The model needs to account for the possibility that both arms of the pharmacological response — activation Diffusion-enhanced resonance energy transfer extends this further by capturing both internalization and

trip to London, confocal imaging marathons, and a partnership built on trust and curiosity — reshaped both fluorescent probes, how he evaluated biological constraints, and how he approached GPCR imaging as both Over the years, they learned from each other in ways that shifted both careers. experiments that capture receptor dynamics in intact tissue and live animals, expanding what’s possible in both

For competition-based screening, antagonists are preferred as they exhibit the same affinity for both A Flow Cytometry C5aR binding assay was performed in both C5aR-HEK (Multispan) and C5aR-Chem1 (DiscoverX Both CELT-58 and SG65 exhibited strong binding properties across different cell lines. Figure 6. Both ligands exhibit high specific binding to C5aR in saturation binding assays (Figure 5) and demonstrate Both are orthosteric ligands with antagonistic activity in Calcium and cAMP assays (Table 1).

C GPCRs, are obligate dimers, either as homodimers or heterodimers, with distinct conformations in both Recent studies suggest that class B1 GPCRs can form both homodimers and heterodimers, which may play that GLP-1R homodimerization occurs via transmembrane helix 4 (TM4), which forms the interface for both result, dimerized SecR receptors exhibit higher rates of G protein activation and release, improving both

When Everything Is Strategic, Nothing Is Decisive 👉 Strategic overload starts with reasonable decisions Nothing is formally deprioritized. Nothing is clearly paused. Everything remains alive. If nothing is clearly paused, the strategy is likely overloaded. 5️⃣ Stress test the narrative under

reliably predict its activity at AMY2 or AMY3, and a molecule's selectivity across the set can shape both Capturing these differences requires measuring both pathways in parallel, at each receptor subtype, with These systems provide quantitative readouts of ligand activity across both cAMP signaling and β-arrestin

why teamwork is non-negotiable) The difference between Me Too  and First in Class  projects—and why both

Canceling the Cell If observed potency reflects both drug properties and system sensitivity, then system Kenakin outlines a practical solution: use a potency metric that incorporates both efficacy and EC₅₀ If pathway-specific readouts are used to define receptor selectivity, then both agonists must be evaluated

Measuring emission at both donor (usually 620nm) and acceptor (typically 665nm) wavelengths allows for Terbium is compatible with both red and green acceptors. expertise in GPCR biology with advanced fluorescence chemistry, Celtarys custom-developed ligands offer both

October 2022 "The activity of dopamine neurons is dependent on both intrinsic properties and afferent applications of sub-saturating concentrations of agonists where the co-application of one agonist resulted in both results suggest that the cooperative interaction between G βγ subunits and GIRK channels determines both Coincident activation of D2 and GABAB receptors leads to facilitation of GIRK channel currents, augmenting both

They both mark critical moments in humanity’s centuries-long quest to control physiology—and they bookend

mirrors what’s happening now in other parts of the field: platforms replacing isolated tools, enabling both And those who understand both the legacy and the future of GPCR work are the ones shaping the next era

Moreover, due to the ratiometric nature of the assay, the FA signal depends on the concentration of both The results suggest that adding the linker to the pharmacophore slows down both association and dissociation study, CELT-419 is a high-affinity ligand with good kinetic properties, which showed similar results both Therefore, both assays can be used for fundamental D3 receptor-ligand binding studies as well as for other GPCRs and further development of measurement methods can increase the quality and quantity of both

The cytoskeletal protein filamin A (FLNA) directly interacts with both somatostatin receptor type 2 ( A7), and octreotide but not pasireotide promoted hetero-dimerization in both A7 and M2 (+20.0 ± 11.8% On the contrary, in M2 cells, octreotide failed to internalize both receptors whereas pasireotide promoted In conclusion, we demonstrated that in GH3 cells SST2 and SST5 can form both homo- and hetero-dimers

Additionally, we employed optical assays in living cells to thoroughly profile both GPR35 isoforms for basis for this bias, we examined structural models of GPR35 and conducted experiments with mutants of both found that a proposed disulfide bridge between the N-terminus and extracellular loop 3, present in both

However, controversy remains regarding its role in breast cancer since both pro- and anti-metastatic We show that both cell lines express KISS1R mRNA and respond to KP-10 by elevating calcium mobilisation Interestingly, both cell lines displayed different complements of β-arrestin 1 and 2 expression.

Results The combination of both technologies, and the expertise of Prof. heterogenous set of compounds  (agonists and antagonists, different structures) was measured using both Both are effective as NanoBRET® TE tracers, leading to similar results to those present in literature

You pay for both. You benefit from neither. If nothing changes after it, it was just a lab update.

single-domain antibody fragments from camelids, have become indispensable tools for interrogating GPCRs both technologies to discover nanobodies with tailored specificities may expand the impact of these tools for both

CCR2 is an example of a dual-function receptor that directly regulates both cell migration and scavenging established for other chemokine scavenger receptors that where shown to couple to GRKs, β-arrestins, or both