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373 items found for "G-protein coupled receptor signaling"

  • Glucose and HODEs regulate Aspergillus ochraceus quorum sensing through the GprC-AcyA pathway

    Signals perception, transmission, and feedback are all rely on a signal network that constituted by membrane receptors and intracellular effectors. Here we show that the G protein-coupled receptor (GPCR) to cAMP pathway is responsible for transmitting These studies highlight a crucial G protein signaling pathway for cell communication that is mediated protein-coupled receptor , Mycotoxin , Oxylipin , Second messenger Source Contribute to the GPCR News

  • Trainee Symposium II

    GPCR Title: Balancing G Protein Selectivity and Efficacy in the Adenosine A2A Receptor About Louis-Philippe protein-coupled receptors (GPCRs) and G protein activation. GPCR Title: Development of a Transgenic Mouse Platform for the Detection of Endogenous G protein Activity Mikel Garcia-Marcos which investigates GPCR and G protein signaling" Remi Janicot on the web Boston University receptor signaling."

  • Distinct Activation Mechanisms of CXCR4 and ACKR3 Revealed by Single-Molecule Analysis of their Conformational Landscapes

    While CXCR4 couples to G proteins and directly promotes cell migration, ACKR3 is G protein-independent The receptors also have distinct activation requirements. The dynamic properties of ACKR3 may underly its inability to form productive interactions with G proteins that would drive canonical GPCR signaling." in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Ep 111 with Chloe Hicks

    January 2021 and has contributed to multiple projects exploring the underlying mechanisms of biased signaling These previous endeavors involved exploring the effect of subcellular location on the signaling profile in the differential signaling outputs of biased agonists, and demonstrating the ligand specificity behind She is currently working on her senior thesis which involves identifying the non-canonical signaling not couple to G protein and has been shown to maintain its activation in the absence of β-arrestin.

  • From outside to inside and back again: the lysophosphatidic acid-CCN axis in signal transduction

    Oncology and Immunology From outside to inside and back again: the lysophosphatidic acid-CCN axis in signal CCN proteins act to facilitate signaling events involving extracellular matrix proteins. Lysophosphatidic acid (LPA) is a lipid that activates G protein-coupled receptors (GPCRs), enhancing In these cells, the mitogenic activity of LPA is mediated by LPA Receptor 1 (LPAR1), a GPCR. In this way, an extracellular signal (LPA or S1P) can activate GPCR-mediated intracellular signaling

  • GPR56: GPCR as a guardian against ferroptosis

    GPR56: GPCR as a guardian against ferroptosis Published date November 5, 2024 Abstract "Transmembrane receptor proteins are proficient in sensing external signals and initiating downstream pathways to control cell Lin et al. demonstrated that GPR56, a G-protein-coupled receptor, can be activated by its agonist to in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Leukotriene B4 receptor 2 governs macrophage migration during tissue inflammation

    < GPCR News < GPCRs in Oncology and Immunology Leukotriene B4 receptor 2 governs macrophage migration Although leukotriene B4 receptor 2 (BLT2) has been characterized as a low affinity receptor to several we demonstrated that antisense morpholino-mediated knockdown of blt2a or chemical inhibition of BLT2 signaling Mirmira Tags G-protein coupled receptor (GPCR) , Macrophage , inflammation , metabolism , mouse , zebrafish in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Role and recent progress of P2Y12 receptor in cancer development

    < GPCR News < GPCRs in Oncology and Immunology Role and recent progress of P2Y12 receptor in cancer development Published date June 14, 2024 Abstract "P2Y12 receptor (P2Y12R) is an adenosine-activated G protein-coupled receptor (GPCR) that plays a central role in platelet function, hemostasis, and thrombosis. in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Ep 86 with Nicole (Nicki) Perry-Hauser

    research fellow endeavoring to build a productive, independent scientific research career in adhesion G protein-coupled receptor (aGPCR) biology. My long-term research interests involve resolving signaling pathways downstream of aGPCRs and establishing how/if these receptors’ adhesive properties influence signaling events, and in turn, whether signaling

  • Phase 1/2 study of sorafenib added to cladribine, high-dose cytarabine, G-CSF, and mitoxantrone in untreated AML

    , and mitoxantrone in untreated AML Published date September 12, 2023 Abstract "CC chemokine receptor -3 (hCCR3), a G protein-coupled receptor (GPCR) expressed predominantly on eosinophils, is an important This study constructed a nanogold receptor sensor using hCCR3 as the molecular recognition element and horseradish peroxidase as the signal amplifier. in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • GPCR Retreat 2023 - Part I

    With respect to GPCRs, I'm particularly interested in peptide/small protein receptors and the mechanisms With a special emphasis on G protein coupled receptors and receptor activity modifying proteins in vascular Slosky’s research is focused on understanding how neuropeptide G protein-coupled receptors (GPCRs) regulate These ligands stimulate receptor β-arrestin recruitment without activating canonical G protein signaling signaling, they are exciting tools for linking distinct signaling pathways with their physiological

  • Ep 49 with Dr. Sudha Shenoy

    Shenoy’s postdoctoral research discovered that ubiquitination of mammalian G protein-coupled receptors is a tag for lysosomal degradation, whereas ubiquitination of the adaptor protein, β-arrestin, is a tag for receptor internalization and formation of signaling endosomes. Current efforts aim to understand the regulation of GPCR and beta-arrestin signaling in the heart and

  • Regulator of G protein signaling 16 restrains apoptosis in colorectal cancer through disrupting TRAF6-TAB2-TAK1-JNK/p38 MAPK signaling

    < GPCR News < GPCRs in Oncology and Immunology Regulator of G protein signaling 16 restrains apoptosis G protein signaling (RGS) protein family modulators play essential role within regulating downstream signaling of GPCR receptors, with function in cancers unclear. Our study focused on the expression patterns of RGS proteins in CRC, identifying Regulator of G protein signaling 16 (RGS16) as a prospective diagnostic and therapeutic target.

  • The EBI2 receptor is coexpressed with CCR5 in CD4+ T cells and boosts HIV-1 R5 replication

    < GPCR News < GPCRs in Oncology and Immunology The EBI2 receptor is coexpressed with CCR5 in CD4+ T cells and boosts HIV-1 R5 replication Published date May 21, 2024 Abstract " Objective: CCR5, a G protein-coupled receptor (GPCR), is used by most HIV strains as a coreceptor. HIV-1 entry was quantified with virions harboring β-lactamase fused to the viral protein vpr, early and in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Identification of Small-Molecule Antagonists Targeting the Growth Hormone Releasing Hormone Receptor (GHRHR)

    Immunology Identification of Small-Molecule Antagonists Targeting the Growth Hormone Releasing Hormone Receptor (GHRHR) Published date August 29, 2024 Abstract "The growth hormone-releasing hormone receptor (GHRHR ) belongs to Class B1 of G protein-coupled receptors (GPCRs). future design of lead GHRHR compounds for treating disorders attributed to dysregulated/aberrant GHRHR signaling in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Ep 82 with Dr. Lauren M. Slosky

    Slosky’s research is focused on understanding how neuropeptide G protein-coupled receptors (GPCRs) regulate motivated behavior and how these receptors can be targeted for therapeutic benefit. These ligands stimulate receptor β-arrestin recruitment without activating canonical G protein signaling Because BAMs engage less well-conserved allosteric sites and exert pathway-specific effects on receptor signaling, they are exciting tools for linking distinct signaling pathways with their physiological

  • Emerging GPCR targets for AUD: Insights from preclinical studies

    Emerging GPCR targets for AUD: Insights from preclinical studies Published date July 5, 2024 Abstract "G protein-coupled receptors (GPCRs) are the largest group of membrane receptors in the central nervous system and one of the key proteins for signal transduction between cells. Currently, many drugs available on the market act via GPCRs and these receptors remain attractive targets in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Ep 143 with Dr Davide Calebiro

    and Receptors (COMPARE) of the Universities of Birmingham and Nottingham. protein-coupled receptor (GPCR) signalling and their alterations in endocrine, metabolic and cardiovascular To study GPCR signalling, they develop and use innovative optical methods based on FRET and single-molecule microscopy, which allow them to directly observe signalling events in living cells and tissues with interact among themselves and with other membrane proteins to form dynamic nanodomains at the plasma

  • Ep 71 with Dr. Jean Martin Beaulieu

    Beaulieu has pioneered work establishing a role for Beta-arrestin signaling in the brain in vivo and has established its importance in D2 dopamine receptors (D2R) functions. These receptors belong to the super-family of G-protein coupled receptors (GPCR), the major molecular has demonstrated that mood stabilizer drugs (e.g. lithium) used for bipolar disorder therapy target signaling modulators of D2R signaling and explores the potential usefulness of beta-arrestins for the development

  • Aberrant hormone receptors regulate a wide spectrum of endocrine tumors

    < GPCR News < GPCRs in Oncology and Immunology Aberrant hormone receptors regulate a wide spectrum of endocrine tumors Published date September 23, 2024 Abstract "Aberrant G-protein coupled receptor (GPCR somatotroph tumours; AVPR2, D2DR, and SSTR5 in pituitary corticotroph tumours; GLP1R, GIPR, and somatostatin receptors in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • GprC of the nematode-trapping fungus Arthrobotrys flagrans activates mitochondria and reprograms fungal cells for nematode hunting

    the nematode-trapping fungus, Arthrobotrys flagrans, that both are achieved through a dual-function G-protein-coupled receptor (GPCR). revealed that ascarosides activate the fungal GPCR, GprC, at the plasma membrane and together with the G-protein This dual localization of GprC in A. flagrans resembles the localization of the cannabinoid receptor in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Illuminating Functional Selectivity and Allosterism at GPCRs.

    molecular pharmacology and his research program focuses on the molecular and cellular mechanisms regulating G protein-coupled receptor (GPCR) responses, a class of receptors involved in many, if not all, physiological He has developed innovative methods for in-cellulo measurement of protein-protein interactions, receptor trafficking and signalling, useful for drug discovery programs. His research program also studies the allosteric, biased signalling regulation of GPCR and has contributed

  • Trainee Symposium I

    My interests in research are primarily directed towards methods that study GPCRs and GPCR signaling, During his graduate studies, Emile is interested in characterizing novel G protein-coupled receptors D1 Receptor Signaling About Bassam Albraidy "My thesis focus on studying the interaction of dopamine D1 receptors scaffolding proteins synapse-associated protein 102 and post-synaptic density 95, and the impact of these complexes in D1R-mediated signaling and trafficking mechanisms."

  • Unveiling Non-Canonical Functions for Gαq Signaling Pathways

    Committee Sponsors GPCR Retreat Program < Back to schedule Unveiling Non-Canonical Functions for Gαq Signaling During this period and her doctoral thesis, she has deepened the regulatory mechanisms of GPCR signaling that act at the level of G proteins and which are part of a multimolecular signaling complex (AGS, de “Activators of G-protein signaling). Ribas has also described a new protective role of G protein-coupled receptor kinase 2 (GRK2), a known

  • Agonists of galanin subtype 2 receptor may prevent pancreatic cancer and agonists of angiotensin II type 2 receptor may prevent colorectal cancer

    AT2R is interacting with four tumor suppressor proteins, Src homology phosphatase 1, Src homology phosphatase 2, Promyelocytic Leukemia Zinc Finger protein and Microtuble-Associated Scaffold Protein1, the latter also known as Angiotensin-II type 2 receptor-Interacting Protein. Pathways linked to these tumor suppressor proteins may enhance immune surveillance, prevent carcinogenesis in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • In Silico Design of Novel RGS2-Galpha-q Interaction Inhibitors with Anticancer Activity

    signaling (RGS) are a family of approximately 30 proteins that bind to and deactivate the alpha subunits of G-proteins (Gα) by accelerating their GTP hydrolysis rates, which terminates G-protein coupled receptor (GPCR) signaling. Thus, RGS proteins are essential in regulating GPCR signaling, and most members are implicated as critical Regulator of G-protein signaling 2 (RGS2), a member of the R4 family of RGS proteins, is overexpressed

  • Removing the GPCR-mediated brake on exocytosis enhances insulin action, promotes adipocyte browning, and protects against diet-induced obesity

    The Department’s strengths lie in GPCR signal transduction and neuroscience, and she has expanded it of signal transduction. Her laboratory has been involved in studying G protein coupled signal transduction for many years and Current areas of interest include Protease Activated Receptor signaling in the cardiovascular system and regulation of vesicular exocytosis mediated by Gi/o-coupled receptors by G subunit binding to SNAREs

  • Dynamic Phosphoproteomics of BRS3 Activation Reveals the Hippo Signaling Pathway for Cell Migration

    News < GPCRs in Oncology and Immunology Dynamic Phosphoproteomics of BRS3 Activation Reveals the Hippo Signaling Pathway for Cell Migration Published date June 25, 2023 Abstract "Bombesin receptor subtype-3 (BRS3) is an orphan G-protein coupled receptor (GPCR) that is involved in a variety of pathological and physiological this study, a quantitative phosphoproteomics approach was employed to comprehensively decipher the signal signaling pathway, which was significantly regulated by BRS3 activation.

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