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282 items found for "cAMP signaling"

  • Context-dependent ciliary regulation of hedgehog pathway repression in tissue morphogenesis

    The primary cilium is a paradigmatic organelle for compartmentalized subcellular signaling. How signaling emanating from cilia orchestrates tissue organization-especially, the role of cilia-generated /protein kinase-A signaling by cilia in GLI-R generation. that is cAMP signaling competent. The cAMP signaling-competent non-ciliary Gpr161 knock-in recapitulated Gpr161 loss-of-function tissue

  • Biochemical pharmacology of adenylyl cyclases in cancer

    Understanding the signaling pathways involved in cancer progression is essential for the discovery of The adenylyl cyclase (AC) superfamily comprises glycoproteins that regulate intracellular signaling and In addition, we highlight inhibitors of AC-related signaling that are currently under investigation, Valerie P O'Brien, Val J Watts Tags Adenylyl Cyclase , Cancer , G protein , GPCR , Hallmarks of Cancer , cAMP signaling .

  • Session VIII * | Adhesion GPCR Workshop 2024 | Dr. GPCR Ecosystem

    to the N-terminal G-protein autoproteolysis-inducing (GAIN) domain of GPR110, and activates GPR110/cAMP signaling. To extend our understanding of the role of GPR110 signaling in kidney, we evaluated the urine albumin . " Authors & Affiliations "Laboratory of Molecular Signaling, National Institute on Alcohol Abuse and Importantly, the signaling pathways underlying sexual reproduction in these different contexts have not

  • Session II | Adhesion GPCR Workshop 2024 | Dr. GPCR Ecosystem

    Mexico City, Mexico October 23-25 Download PDF Program HERE < Back to Full Agenda Session II AGPCR signaling GPCR Adhesion GPCR BAI1/ADGRB1 can block IGF1R-mediated growth signalling, increase radiosensitivity stachel sequence at the extreme N-terminal end of the CTF functions as a tethered agonist to activate cAMP signaling. GPCR signaling and trafficking can be regulated by several different post-translational modifications

  • Vasoactive intestinal peptide receptor 2 signaling promotes breast cancer cell proliferation by enhancing the ERK pathway

    < GPCR News < GPCRs in Oncology and Immunology Vasoactive intestinal peptide receptor 2 signaling promotes Overexpressed VIPR2 caused increases in the levels of cAMP and phosphorylated extracellular signal-regulated kinase (ERK), which involves a VIPR2 signaling pathway through Gs protein. signaling pathway, and the excessive expression of VIPR2 may lead to an exacerbation of breast carcinoma in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Blockade of vasoactive intestinal peptide receptor 2 (VIPR2) signaling suppresses cyclin D1-dependent cell-cycle progression in MCF-7 cells

    News < GPCRs in Oncology and Immunology Blockade of vasoactive intestinal peptide receptor 2 (VIPR2) signaling G protein-coupled receptor that binds to Gαs, Gαi, and Gαq proteins to regulate various downstream signaling KS-133 in the presence of VIP decreased the phosphorylation of extracellular signal-regulated kinase In MCF-7 cells stably-expressing VIPR2, KS-133 decreased PI3K activity and cAMP levels. Our findings suggest that VIPR2 signaling regulates cyclin D1 levels through the cAMP/PKA/ERK and PI3K

  • LPA1-mediated inhibition of CXCR4 attenuates CXCL12-induced signaling and cell migration

    News < GPCRs in Oncology and Immunology LPA1-mediated inhibition of CXCR4 attenuates CXCL12-induced signaling characteristics and functional implications of the CXCR4-LPA1 heteromer, we performed various assays, including cAMP Coexpression of LPA1 with CXCR4 reduced CXCL12-mediated cAMP inhibition, ERK activation, Gαi/o activation In contrast, CXCR4 had no impact on LPA1-mediated signaling. Conversely, CXCL12-induced calcium signaling and migration were increased in LPAR1 knockout cells, and

  • Functional Assessment of Cancer-Linked Mutations in Sensitive Regions of Regulators of G Protein Signaling Predicted by Three-Dimensional Missense Tolerance Ratio Analysis

    Immunology Functional Assessment of Cancer-Linked Mutations in Sensitive Regions of Regulators of G Protein Signaling (RGS) proteins modulate G protein-coupled receptor (GPCR) signaling by acting as negative regulators approaches, proteins were tested for effects on GPCR-G α activation, G α binding properties, and downstream cAMP and tolerant RGS14-S127P and RGS10-S64T resulted in a loss-of-function phenotype in GPCR-G protein signaling In downstream cAMP measurement, tolerant RGS14-D137Y and RGS10-S64T and intolerant RGS10-K89M resulted

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

    fungus with density-dependent behaviors, which is known as quorum sensing (QS) that is mediated by signaling Signals perception, transmission, and feedback are all rely on a signal network that constituted by membrane Here we show that the G protein-coupled receptor (GPCR) to cAMP pathway is responsible for transmitting Moreover, the GprC that classified as sugar sensor, and intracellular adenylate cyclase (AcyA)-cAMP-PKA These studies highlight a crucial G protein signaling pathway for cell communication that is mediated

  • GPR176 Promotes Cancer Progression by Interacting with G Protein GNAS to Restrain Cell Mitophagy in Colorectal Cancer

    GPR176 is confirmed to activate the cAMP/PKA signaling pathway and modulate mitophagy, promoting CRC Mechanistically, the G protein GNAS is recruited intracellularly to transduce and amplify extracellular signals The GPR176/GNAS complex inhibits mitophagy via the cAMP/PKA/BNIP3L axis, thereby promoting the tumorigenesis in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • G protein-coupled estrogen receptor (GPER)/GPR30 forms a complex with the β1-adrenergic receptor, a membrane-associated guanylate kinase (MAGUK) scaffold protein, and protein kinase A anchoring protein (AKAP) 5 in MCF7 breast cancer cells

    GPR30 constitutively and PDZ-dependently inhibits β1AR-mediated cAMP production. Furthermore, expression of GPR30 in MCF7 cells constitutively and PDZ-dependently inhibits β1AR-mediated cAMP AKAP5 also inhibits β1AR-mediated cAMP production, which is not additive with GPR30-promoted inhibition PDZ-independent complex in MCF7 cells through which GPR30 constitutively and PDZ-dependently inhibits β1AR signaling 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)

    These compounds were validated in vitro using a cyclic adenosine monophosphate (cAMP) ELISA to measure vitro results suggest that several of the novel small-molecule compounds could inhibit GHRH-induced cAMP 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

  • Principles of Pharmacology in Drug Discovery II

    ., calcium, cAMP), and these new behaviors are being used to create novel GPCR therapies. New ligands and new GPCR behaviors that produce unique drug profiles (i.e. intracellular ligands and signaling , location bias, signaling bias).

  • Principles of Pharmacology in Drug Discovery II

    ., calcium, cAMP), and these new behaviors are being used to create novel GPCR therapies. New ligands and new GPCR behaviors that produce unique drug profiles (i.e. intracellular ligands and signaling , location bias, signaling bias).

  • Exacerbating effects of single-dose acute ethanol exposure on neuroinflammation and amelioration by GPR110 (ADGRF1) activation

    The GPR110 ligand synaptamide ameliorated this effect of ethanol by counteracting on the cAMP system, Lipopolysaccharide , Macrophages , Microglia , NLRP3 inflammasome , Phosphodiesterase , Synaptamide , cAMP in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Chemoattractant receptor signaling in humoral immunity

    < GPCR News < GPCRs in Oncology and Immunology Chemoattractant receptor signaling in humoral immunity distinct sites on the receptor C termini, which dictates functional outcomes of β-arrestin-mediated signaling In this review, we summarize the current understanding of chemoattractant receptor signaling in the context in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Targeting adenosine signaling for immuno-oncology

    Registration Logo Contest Committee Sponsors GPCR Retreat Program < Back to schedule Targeting adenosine signaling for immuno-oncology Date & Time Friday, November 3rd / 4:35 PM Abstract "Adenosine (ADO) signaling through Potent inhibitors of ADO signaling are currently being tested in cancer patients, including in randomized I will present our recent work on adenosine-producing ectonucleotidases and adenosine signaling and discuss

  • The landscape of cancer-rewired GPCR signaling axes

    < GPCR News < GPCRs in Oncology and Immunology The landscape of cancer-rewired GPCR signaling axes Published , cancer , cancer cell lines , cell-cell communication , drug repurposing , personalized medicine , signaling in Oncology and Immunology Structural and molecular insights into GPCR function GPCR Activation and Signaling

  • Biochemical Mechanisms Underlying Location Bias in GPCR Signaling

    Sponsors GPCR Retreat Program < Back to schedule Biochemical Mechanisms Underlying Location Bias in GPCR Signaling His lab is also interested in identifying novel signal transduction mechanisms of GPCRs, such as the

  • 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 characterization of proteins 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 characterized the existence of a new signaling pathway with a relevant role in cardiac hypertrophy

  • Distinct sub-cellular signal propagation as a component of functional selectivity

    Registration Logo Contest Committee Sponsors GPCR Retreat Program < Back to schedule Distinct sub-cellular signal Since 2001, he holds the Canada Research Chair in Signal Transduction and Molecular Pharmacology. He is a world-renowned expert in the field of cell signaling and GPCRs and made seminal contributions In addition to paradigm shifts including inverse agonism, biased signaling, and pharmacological chaperones

  • Using food perception and bioamine signaling networks to slow aging

    Contest Committee Sponsors GPCR Retreat Program < Back to schedule Using food perception and bioamine signaling laboratory focuses on how organisms perceive and respond to environmental stress though cell non autonomous signaling mechanisms, and how these signals affect the health and longevity of the animal."

  • 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 in colorectal cancer through disrupting TRAF6-TAB2-TAK1-JNK/p38 MAPK signaling Published date June 21 G protein signaling (RGS) protein family modulators play essential role within regulating downstream signaling of GPCR receptors, with function in cancers unclear. study focused on the expression patterns of RGS proteins in CRC, identifying Regulator of G protein signaling

  • GPR56 signaling pathway network and its dynamics in the mesenchymal transition of glioblastoma

    < GPCR News < GPCRs in Oncology and Immunology GPR56 signaling pathway network and its dynamics in the Despite its important role in cancer, its mechanism of action or signaling is not completely understood , growth factors, and inflammation signaling pathways. Here we present a curated signaling map of GPR56 in the context of GBM and discuss the relevance and GPR56 signaling and mesenchymal transition."

  • A virally encoded GPCR drives glioblastoma through feed-forward activation of the SK1-S1P1 signaling axis

    Immunology A virally encoded GPCR drives glioblastoma through feed-forward activation of the SK1-S1P1 signaling Here, we showed that US28 increased the malignancy of U251 glioblastoma cells by enhancing signaling US28 expression increased the abundance of the key components of the S1P signaling axis, including an Inhibition of S1P signaling abrogated the proliferative and anti-apoptotic effects of US28. US28 also activated the S1P signaling axis in HCMV-infected cells.

  • 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. The signaling pathways responsible for LPA/S1P-induced CCN1/2 typically involve activation of the small Inducible CCNs can potentially play roles in downstream signal transduction events required for LPA and In this way, an extracellular signal (LPA or S1P) can activate GPCR-mediated intracellular signaling

  • Chemokine N-terminal-derived peptides differentially regulate signaling by the receptors CCR1 and CCR5

    News < GPCRs in Oncology and Immunology Chemokine N-terminal-derived peptides differentially regulate signaling MIP chemokines, such as CCL3 and CCL5 are processed at the N-terminus, which influences signaling in Here, we investigate the signaling capacity of peptides corresponding to truncated N-termini. These 3 to 10-residue peptides displayed weak potency but, surprisingly, retained their signaling on modulator boosting the signal of several chemokine variants on CCR5.

  • Ep 13 with Dr. Amynah Pradhan

    Brigitte Kieffer , where she studied ligand-directed signaling at the delta-opioid receptor. Her career path-defining moment came from a third postdoctoral experience with Dr. Amynah studied how arrestins regulate ligand-directed signaling at delta-opioid receptors, and it is

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