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354 items found for "Ya-Tzu Li"

  • Fly casting with ligand sliding and orientational selection supporting complex formation of a GPCR..

    September 2022 Fly casting with ligand sliding and orientational selection supporting complex formation GA-mD-VcMD is a generalized ensemble method that produces a free-energy landscape of the ligand-receptor Last, in the pocket, ligand–receptor attractive native contacts are formed. Eventually, the native-like complex is completed. The ligand-sliding corresponds to overcoming of a free-energy barrier between the basins."

  • Structural dynamics of Smoothened (SMO) in ciliary membrane and its interaction with membrane lipids

    ciliary membrane models, respectively, to study the interactions of SMO with cholesterol and other lipid Further detailed analysis of the dynamics of the TMD reveals the movements of TM5, TM6, and TM7, linked

  • High GPER expression in triple-negative breast cancer is linked to pro-metastatic pathways and...

    September 2022 High GPER expression in triple-negative breast cancer is linked to pro-metastatic pathways correlation with the mRNA subtype of TNBC ( P  = 0.001), total metastatic events ( P  = 0.019) and liver Besides, high GPER expression was significantly linked to the worse survival in patients with lymph node Transcriptome-based bioinformatics analysis revealed that GPER was linked to pro-metastatic pathways

  • Cholesterol occupies the lipid translocation pathway to block phospholipid scrambling by a GPCR

    September 2022 "Class A (rhodopsin-like) G protein-coupled receptors (GPCRs) are constitutive phospholipid scramblases as evinced after their reconstitution into liposomes. We considered whether cholesterol, a prominent component of the plasma membrane, limits the ability of GPCRs to scramble lipids. This mechanism may explain the inability of GPCRs to scramble lipids at the plasma membrane."

  • A2B Adenosine Receptor Enhances Chemoresistance of Glioblastoma Stem-Like Cells under Hypoxia: New..

    September 2022 A2B Adenosine Receptor Enhances Chemoresistance of Glioblastoma Stem-Like Cells under and the presence of a cell subpopulation that persists under hypoxic niches, called glioblastoma stem-like

  • Combined docking and machine learning identify key molecular determinants of ligand pharmacological

    central question of GPCR drug discovery is to understand what determines the agonism or antagonism of ligands Ligands exert their action via the interactions in the ligand binding pocket. We hypothesized that there is a common set of receptor interactions made by ligands of diverse structures We computationally docked ~2700 known β2AR ligands to multiple β2AR structures, generating ca 75 000 docking poses and predicted all atomic interactions between the receptor and the ligand.

  • Induced Human Regulatory T Cells Express the Glucagon-like Peptide-1 Receptor

    September 2022 "The glucagon-like peptide-1 receptor (GLP-1R) plays a key role in metabolism and is an

  • Isoform-and ligand-specific modulation of adhesion GPCR ADGRL3/Latrophilin3 by a synthetic binder

    receptors (aGPCRs) are cell-surface proteins with large extracellular regions that bind to multiple ligands structure revealed that the LK30 binding site on ADGRL3 overlaps with the binding site for an ADGRL3 ligand specifically broke the trans-cellular interaction of ADGRL3 with teneurin, but not with another ADGRL3 ligand Our work provides proof of concept for the modulation of isoform- and ligand specific aGPCR functions

  • Endocannabinoid System in the Neuroendocrine Response to Lipopolysaccharide-induced Immune Challenge

    Endogenous ligands, named endocannabinoids, are produced “on demand” to finely regulate the synthesis It is well known that immune challenges, such as exposure to lipopolysaccharide, the main component of

  • Structure of the human galanin receptor 2 bound to galanin and Gq reveals the basis of ligand...

    September 2022 Structure of the human galanin receptor 2 bound to galanin and Gq reveals the basis of ligand To understand the basis of the ligand preferences of the receptors and to assist structure-based drug Mutant proteins were assayed to help reveal the basis of ligand specificity, and structural comparison

  • Sosei Heptares Announces Antitrust Clearance of License Agreement with Neurocrine Biosciences

    Corporation (“ Sosei Heptares ”; TSE: 4565) today announces that in connection with the Collaboration and License Agreement (“License Agreement”) with Neurocrine Biosciences , Inc. (“ Neurocrine Biosciences ”) announced As such, the License Agreement became effective on 22 December 2021. With completion of the applicable waiting period under the HSR Act, under the terms of the License Agreement

  • Effects of Small Molecule Ligands on ACKR3 Receptors

    C-X-C motif chemokine ligand 12 (CXCL12) has two receptors: C-X-C chemokine motif receptor 4 (CXCR4) We also synthesized a series of small molecule ligands which acted as selective agonists for ACKR3 as The development of more selective ACKR3 ligands should allow us to better appreciate the unique roles In this study, novel selective ligands for ACKR3 were discovered and the site of interactions between

  • Discovery of 3(2-aminoethyl)-thiazolidine-2,4-diones as a novel chemotype of sigma-1 receptor ligand

    Therefore, S1R ligands possess a variety of potential clinical applications with a great interest in Upon optimization, this series of compounds could represent potential clinically useful S1R ligands for

  • Actions of Parathyroid Hormone Ligand Analogues in Humanized PTH1R Knockin Mice

    Rodent models are commonly used to evaluate parathyroid hormone (PTH) and PTH-related protein (PTHrP) ligands identical to the human PTH1R) can lead to differences in receptor-binding and signaling potencies for such ligands

  • Self-docking and cross-docking simulations of G protein-coupled receptor-ligand complexes

    Self-docking and cross-docking simulations of G protein-coupled receptor-ligand complexes: Impact of ligand type and receptor activation state G protein-coupled receptors (GPCR) are the largest family Ligand discovery aimed at identification of chemical tools and drug leads is aided by molecular docking Likewise, the relative importance of receptor activation state and ligand function differences have also after ligand placement.

  • Allosteric Effect of Nanobody Binding on Ligand-Specific Active States of the β2 Adrenergic Receptor

    stabilizes G-protein-coupled receptors (GPCR) in a fully active state and modulates their affinity for bound ligands we investigate the conformational changes induced by the binding of a nanobody (Nb80) on the active-like conformation of the receptor, independent of ligand binding, in contrast to the conditions under which Besides, ligand-specific subtle differences in the conformations assumed by intracellular loop 2 and extracellular loop 2 are captured from the trajectories of various ligand-bound receptors in the presence

  • A Chemical Biology Toolbox Targeting the Intracellular Binding Site of CCR9: Fluorescent Ligands ...

    We first synthesized a fluorescent ligand enabling equilibrium and kinetic binding studies via NanoBRET Applying this molecular tool in a membrane-based setup and in living cells, we discovered a 4-aminopyrimidine

  • Allosteric ligands control the activation of a class C GPCR heterodimer by acting at the transmembra

    Specifically controlling the activity of GPCR dimers with ligands is a good approach to clarify their

  • G protein-coupled receptors that influence lifespan of human and animal models

    Humanity has always sought to live longer and for this, multiple strategies have been tried with varying In this sense, G protein-coupled receptors (GPCRs) may be a good option to try to prolong our life while this way, we present the analysis of a series of GPCRs whose activity has been shown to affect the lifespan Our compilation of data revealed that the mechanisms most involved in the role of GPCRs in lifespan are antagonist drugs, depending on the beneficial or harmful effects of each GPCR, in order to prolong people's lifespan

  • Free-Energy Simulations Support a Lipophilic Binding Route for Melatonin Receptors

    Crystal structures suggest ligand access to the orthosteric binding site of MT1 and MT2 receptors through We investigated the feasibility of this lipophilic entry route for 2-iodomelatonin, a nonselective agonist significantly different in the two receptor subtypes, as assessed by metadynamics simulations, and during ligand melatonin receptor ligands. pocket on the surface of MT1 receptor, which could participate in the recognition of MT1-selective ligands

  • The complicated lives of GPCRs in cardiac fibroblasts

    October 2022 "The role of different G protein-coupled receptors (GPCRs) in the cardiovascular system is well understood in cardiomyocytes and vascular smooth muscle cells (VSMCs). In the former, stimulation of Gs-coupled receptors leads to increases in contractility, whereas stimulation of Gq-coupled receptors modulates cellular survival and hypertrophic responses. In VSMCs, stimulation of GPCRs also modulates contractile and cell growth phenotypes. Here, we will focus on the relatively less well-studied effects of GPCRs in cardiac fibroblasts, focusing on key signaling events involved in the activation and differentiation of these cells. We also review the hierarchy of signaling events driving the fibrotic response and the communications between fibroblasts and other cells in the heart. We discuss how such events may be distinct depending on where the GPCRs and their associated signaling machinery are localized in these cells with an emphasis on nuclear membrane-localized receptors. Finally, we explore what such connections between the cell surface and nuclear GPCR signaling might mean for cardiac fibrosis." Read more at the source #DrGPCR #GPCR #IndustryNews

  • Newly launched antibody libraries put hard-to-drug targets within reach

    November 2021 "Target class-specific libraries mean you need to screen less to identify high-quality Antibody developers are increasingly utilising antibody libraries to derive high-quality, drug-like biologics As a result, most approved library-derived antibodies originate from just three libraries. To target hard-to-drug targets like G protein-coupled receptors (GPCRs), more libraries, including better and more targeted libraries, are needed."

  • Verily links up with Sosei Heptares for GPCR drug discovery

    January 2022 "G-protein-coupled receptors’ star has been on the rise in biotech in recent years as researchers have discovered the vast potential for GPCR-targeting drugs in treating a range of health conditions, from cancer and genetic disorders to inflammation and metabolic imbalances. Among those hitching their wagons to that star are Verily and Sosei Heptares , which have struck a research agreement to discover new GPCR targets that’ll fuel the development of potential drug candidates. The financial details of the strategic collaboration weren’t released, but Sosei Heptares ’ past two team-ups in GPCR-based drug discovery have clocked in at $1 billion—with Genentech—and, just last November, $2.6 billion in a partnership with Neurocrine." Read more at the source #DrGPCR #GPCR #IndustryNews

  • Third Rock pushes newest fund over $1B line as it marks 15 years in venture capital

    June 2022 "June 15, 2022 06:30 AM EDT - In 2016, Abbie Celniker was promoted to partner at Third Rock Ventures as the firm raised just over $600 million for its fourth fund. Since then, Celniker has helped usher in an additional fund and headed a few startups as interim CEO. Coming on its 15th year, Third Rock Ventures announced its sixth fund today — and largest one by far — at a whopping $1.1 billion. Adding it all up, Third Rock has raised $3.8 billion since its inception. That money has gone to some 60 biotechs, much of it as early funding." Read more at the source #DrGPCR #GPCR #IndustryNews

  • GPCRs steer G i and G s selectivity via TM5-TM6 switches as revealed by structures of serotonin...

    of Gs versus Gi protein coupling selectivity or promiscuity by class A GPCRs and extend the basis of ligand

  • In vitro assays for the functional characterization of (psychedelic) substances at the serotonin...

    In particular, focus lies on the mechanism behind the techniques, and the specific advantages and challenges that one should consider when attempting to compare functional outcomes from different studies, both linked to the specific assay mechanism and linked to its specific execution, as these may heavily impact the

  • Viral G Protein-Coupled Receptors Encoded by β- and γ-Herpesviruses

    We discuss ligand binding, signaling, and structures of the vGPCRs in light of robust differences from

  • Identification of A2BAR as a potential target in colorectal cancer using novel fluorescent GPCR...

    2022 Identification of A2BAR as a potential target in colorectal cancer using novel fluorescent GPCR ligands We selected the adenosine receptor 2B (A2BAR), specifically expressed in cancer cell lines compared with stromal cells, to explore the use of fluorescent ligands that can be used for target visualization. expression of A2BAR in CRC cell lines. As well, fluorescent ligands were effective at monitoring real-time A2BAR receptor labeling using live-imaging

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