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575 items found for "G-protein coupled receptors (GPCRs)"

  • G protein-coupled receptor kinase 2 is essential to enable vasoconstrictor-mediated arterial ...

    G protein-coupled receptor kinase 2 is essential to enable vasoconstrictor-mediated arterial smooth muscle protein-coupled receptors (GPCR). Prolonged vasoconstrictor GPCR signalling increases arterial contraction and stimulates signalling pathways GPCR signalling through phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) promotes VSMC proliferation In VSMC, G protein-coupled receptor kinase 2 (GRK2) is known to regulate numerous vasoconstrictor GPCRs

  • The NPXXY Motif Regulates β-Arrestin Recruitment by the CB1 Cannabinoid Receptor

    August 2022 "Background: Activation of signaling effectors by G-protein coupled receptors (GPCRs) depends Although studies have focused on the G-protein signaling state, the mechanism for β-arrestin signaling participate in a molecular mechanism to trigger β-arrestin recruitment. " Read more at the source #DrGPCR #GPCR

  • Anosmin 1 N-terminal domains modulate prokineticin receptor 2 activation by prokineticin 2

    and anosmia, is due to mutations in the ANOS1 gene that encodes for the extracellular matrix (ECM) protein Prokineticins (PKs) exert their biological functions through the activation of the G protein-coupled receptors (GPCRs) prokineticin receptor 1 and 2 (PKR1, 2), and mutations in the PK2 and PKR2 genes are could assist the WAP domain both in the binding to PKR2 and in the modulation of the activation of the receptor Read more at the source #DrGPCR #GPCR #IndustryNews

  • Biased GPCR signaling by the native parathyroid hormone-related protein 1 to 141 relative to its...

    September 2022 Biased GPCR signaling by the native parathyroid hormone-related protein 1 to 141 relative amino acids, our current understanding on how endogenous PTHrP transduces signals through its cognate G-protein coupled receptor (GPCR), the PTH type 1 receptor (PTHR), is largely derived from studies done with its activation, (ii) receptor signaling via Gs and Gq, and (iii) receptor internalization and recycling hormone acting in conjunction with a GPCR."

  • Structural basis of adhesion GPCR GPR110 activation by stalk peptide and G-proteins coupling

    October 2022 "Adhesion G protein-coupled receptors (aGPCRs) are keys of many physiological events and The structures also unveil the rarely explored GPCR/G12 and GPCR/G13 engagements. A comparison of Gq, Gs, Gi, G12 and G13 engagements with GPR110 reveals details of G-protein engagement /G13 engage receptor mainly through hydrophobic interaction. Taken together, our study fills the missing information of GPCR/G-protein engagement and provides a framework

  • Endosomal parathyroid hormone receptor signaling

    October 2022 "The canonical model for G protein-coupled receptors (GPCRs) activation assumes that stimulation of heterotrimeric G protein signaling upon ligand binding occurs solely at the cell surface and that In this model, GPCR signaling is turned-off by receptor phosphorylation via GPCR kinases (GRKs) and subsequent continue to signal via G proteins from endosomes. Read more at the source #DrGPCR #GPCR #IndustryNews

  • Focusing on the role of secretin/adhesion (Class B) G protein-coupled receptors in placental...

    October 2022 Focusing on the role of secretin/adhesion (Class B) G protein-coupled receptors in placental G protein-coupled receptors, the largest family of membrane proteins in eukaryotes and the largest drug Among them, the secretin/adhesion (Class B) G protein-coupled receptors are essential drug targets for Given the great value of the secretin/adhesion (Class B) G protein-coupled receptors in the regulation Read more at the source #DrGPCR #GPCR #IndustryNews

  • Structural basis for receptor selectivity and inverse agonism in S1P5 receptors

    The bioactive lysophospholipid sphingosine-1-phosphate (S1P) acts via five different subtypes of S1P receptors Several S1PR therapeutic drugs have been developed to treat these diseases; however, they lack receptor In this article, we describe a 2.2 Å resolution room temperature crystal structure of the human S1P5 receptor demonstrates a unique ligand-binding mode, involving an allosteric sub-pocket, which clarifies the receptor Read more at the source #DrGPCR #GPCR #IndustryNews

  • Multifunctional role of GPCR signaling in epithelial tube formation

    Rho1 signaling is activated by G-protein-coupled receptor (GPCR) signaling at the cell surface. During Drosophila embryonic salivary gland (SG) invagination, the GPCR ligand Folded gastrulation (Fog The SG receptor that transduces the Fog signal into Rho1-dependent myosin activation has not been identified Here, we reveal that the Smog GPCR transduces Fog signal to regulate Rho kinase accumulation and myosin Read more at the source #DrGPCR #GPCR #IndustryNews

  • Opposite Effects of Src Family Kinases on YAP and ERK Activation in Pancreatic Cancer Cells...

    Previously, we identified potent positive crosstalk between insulin/IGF-1 receptors and G protein-coupled (GPCR) signaling systems leading to mitogenic signaling in PDAC cells. Here, we show that a combination of insulin and the GPCR agonist neurotensin induced rapid activation Read more at the source #DrGPCR #GPCR #IndustryNews

  • Delineation of GPR15 receptor-mediated Gα protein signaling profile in recombinant mammalian cell

    September 2022 "The GPR15 receptor is a G protein-coupled receptor (GPCR), which is activated by an endogenous Moreover, whether the receptor can also couple to Gs , Gq/11 and G12/13 is unclear. Gα protein signalling using a G protein activation assay and second messenger assay conducted on living The results show that the GPR15 receptor preferentially couples to Gi/o rather than other pathways in Read more at the source #DrGPCR #GPCR #IndustryNews

  • Opioid Receptors and Protonation-Coupled Binding of Opioid Drugs

    Opioid receptors are G-protein-coupled receptors (GPCRs) part of cell signaling paths of direct interest , because opioid drugs typically have a protonated amino group that contributes to receptor binding, and the functioning of GPCRs may involve protonation change. In this review, we discuss the relationship between structure, function, and dynamics of opioid receptors from the perspective of the usefulness of computational studies to evaluate protonation-coupled opioid-receptor

  • Posttranslational modifications in GPCR internalization

    August 2022 "G protein-coupled receptors (GPCRs) are the largest family of membrane receptors that serve Classically, GPCR internalization has been considered to lead to receptor desensitization. However, many studies over the past decade have reported that internalized membrane receptors can trigger The "internalized activation" provides a completely new understanding for the receptor internalization Read more at the source #DrGPCR #GPCR #IndustryNews

  • GPCR kinases generate an APH1A phosphorylation barcode to regulate amyloid-β generation

    August 2022 "Emerging evidence suggests that G protein-coupled receptor (GPCR) kinases (GRKs) are associated 2 (ICL2) and the C terminus of APH1A, which differentially regulate recruitment of the scaffolding protein reveal an interaction between the βarr2 finger loop domain and ICL2 and ICL3 of APH1A, similar to a GPCR-β-arrestin Read more at the source #DrGPCR #GPCR #IndustryNews

  • Rescue of Cell Surface Expression and Signaling of Mutant Follicle-Stimulating Hormone Receptors

    Mutations in G protein-coupled receptors (GPCRs) underlie numerous diseases. Many cause receptor misfolding and failure to reach the cell surface. Pharmacological chaperones are cell-permeant small molecules that engage nascent mutant GPCRs in the We previously demonstrated rescue of cell surface expression of luteinizing hormone receptor mutants These findings aid in advancing the understanding of the effects of genetic mutations on GPCR function

  • C5aR2 receptor: The genomic twin of the flamboyant C5aR1

    C5a is established to interact with a set of genomically related transmembrane receptors, like C5aR1 The C5aR1 is a classical G-protein-coupled receptor (GPCR), whereas C5aR2 is a nonclassical GPCR that tailors immune cell activity potentially through β-arrestins rather than G-proteins. Read more at the source #DrGPCR #GPCR #IndustryNews

  • Structural insights into adhesion GPCR ADGRL3 activation and Gq, Gs, Gi, and G12 coupling

    November 2022 "Adhesion G-protein-coupled receptors (aGPCRs) play key roles in a diversity of physiologies The structures also reveal the uncharted structural information of GPCR/G12 coupling. A comparison of Gq, Gs, Gi, and G12 engagements with ADGRL3 reveals the key determinant of G-protein coupling on the far end of αH5 of Gα. Taken together, our study lays the groundwork for understanding aGPCR activation and G-protein-coupling

  • Class B1 GPCR Dimerization: Unveiling Its Role in Receptor Function and Signaling

    G protein-coupled receptors (GPCRs) are membrane-bound proteins that sense external stimuli and relay Bouvier, M., Oligomerization of G-protein-coupled transmitter receptors.   Graaf, C., et al., Glucagon-Like Peptide-1 and Its Class B G Protein-Coupled Receptors: A Long March induces G-protein-coupled receptor heteromer formation.   Wootten, D., et al., Allostery and Biased Agonism at Class B G Protein-Coupled Receptors.  

  • Adenosine receptor signalling in Alzheimer's disease

    Emerging evidence suggests adenosine G protein-coupled receptors (GPCRs) are promising therapeutic targets The adenosine A1 and A2A receptors are expressed in the human brain and have a proposed involvement in Targeting these receptors preclinically can mitigate pathogenic β-amyloid and tau neurotoxicity whilst Although there are no available medicines targeting these receptors approved for treating dementia, we Read more at the source #DrGPCR #GPCR #IndustryNews

  • Adenosine receptor signalling in Alzheimer's disease

    Emerging evidence suggests adenosine G protein-coupled receptors (GPCRs) are promising therapeutic targets The adenosine A1 and A2A receptors are expressed in the human brain and have a proposed involvement in Targeting these receptors preclinically can mitigate pathogenic β-amyloid and tau neurotoxicity whilst Although there are no available medicines targeting these receptors approved for treating dementia, we Read more at the source #DrGPCR #GPCR #IndustryNews

  • Specific Functions of Melanocortin 3 Receptor (MC3R)

    October 2022 "Melanocortin 3 receptor (MC3R) is a G-protein coupled receptor (GPCR) that is defined on weight and appetite control, 2) the control of growth, puberty, and circadian rhythm, and, 3) its protein-protein Read more at the source #DrGPCR #GPCR #IndustryNews

  • Diversity and specificity in location-based signaling outputs of neuronal GPCRs

    August 2022 "The common mechanisms by which members of the G protein-coupled receptor (GPCR) family respond However, it is becoming increasingly clear that GPCRs show great diversity in their intracellular location Here we will discuss recent studies on the diversity of location, effectors, and signaling of GPCRs, and how these could interact to generate specific spatiotemporal patterns of GPCR signaling in cells. Read more at the source #DrGPCR #GPCR #IndustryNews

  • Developing the Cannabinoid Receptor 2 (CB2) pharmacopoeia: past, present, and future

    October 2022 "Cannabinoid Receptor 2 (CB2) is a G protein-coupled receptor (GPCR) with considerable, Read more at the source #DrGPCR #GPCR #IndustryNews

  • Developing the Cannabinoid Receptor 2 (CB2) pharmacopeia: past, present, and future

    August 2022 "Cannabinoid Receptor 2 (CB2) is a G protein-coupled receptor (GPCR) with considerable, though Read more at the source #DrGPCR #GPCR #IndustryNews

  • Cell Surface Calcium-Sensing Receptor Heterodimers: Mutant Gene Dosage Affects Ca 2+ Sensing but...

    but Not G Protein Interaction "The calcium-sensing receptor is a homodimeric class C G protein-coupled receptor (GPCR) that senses extracellular Ca2+ (Ca2+o ) via a dimeric extracellular Venus flytrap (VFT ) unit that activates G protein-dependent signaling via twin Cysteine-rich domains linked to transmembrane severe hyperparathyroidism (NSHPT), receptor function was markedly impaired. Read more at the source #DrGPCR #GPCR #IndustryNews

  • Constitutive, Basal, and β-Alanine-Mediated Activation of the Human Mas-Related G Protein-Coupled ..

    Constitutive, Basal, and β-Alanine-Mediated Activation of the Human Mas-Related G Protein-Coupled Receptor D Induces Release of the Inflammatory Cytokine IL-6 and Is Dependent on NF-κB Signaling G protein-coupled receptors (GPCRs) have emerged as key players in regulating (patho)physiological processes, including Members of the Mas-related G protein coupled receptors (MRGPRs), a subfamily of GPCRs, are largely expressed However, involvement of the human Mas-related G-protein coupled receptor D (MRGPRD) in the regulation

  • Tracking receptor motions at the plasma membrane reveals distinct effects of ligands on CCR5...

    August 2022 "G-protein-coupled receptors (GPCR) are present at the cell surface in different conformational However, how these states impact GPCRs biological function and therapeutic targeting remains incompletely Here, we investigated this issue in living cells for the CC chemokine receptor 5 (CCR5), a major receptor These results suggest a link between receptor activation and immobilization. quantitative analysis revealed agonist-like properties of gp120s. " Read more at the source #DrGPCR #GPCR

  • Molecular basis for ligand modulation of the cannabinoid CB 1 receptor

    August 2022 "The cannabinoid CB1 receptor is the most abundant G protein coupled receptor (GPCR) A variety of ligands for CB1 receptors have been developed as promising drug candidates for the treatment types of ligands, as well as the differences between CB1 and its homologous, the CB2 receptor. LINKED ARTICLES: This article is part of a themed issue on Structure Guided Pharmacology of Membrane Proteins (BJP 75th Anniversary). " Read more at the source #DrGPCR #GPCR #IndustryNews

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