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272 items found for "Cell proliferation"

  • C3aR plays both sides in regulating resistance to bacterial infections

    product of C3 cleavage, which interacts with membrane-bound receptor C3aR to regulate innate immune cell Specifically, previous research has identified mechanistically distinct and cell type–specific roles for C3aR in regulating innate immune cell inflammatory state, antimicrobial killing capacity, and metabolism of C3a has been relegated to the serum; however, recent studies have provided evidence that various cell Thus, this review will cover specific roles of C3aR in driving cell type–specific and tissue specific

  • A NanoBRET-Based H 3 R Conformational Biosensor to Study Real-Time H 3 Receptor Pharmacology in...

    2022 A NanoBRET-Based H 3 R Conformational Biosensor to Study Real-Time H 3 Receptor Pharmacology in Cell Membranes and Living Cells "Conformational biosensors to monitor the activation state of G protein-coupled (H3R) biosensor that allowed the detection of both (partial) agonism and inverse agonism on living cells In the current study, we have further characterized this H3R biosensor on intact cells by monitoring binding assays that in addition can also detect ligand efficacies with comparable values as the intact cell

  • G protein-coupled receptor 21 in macrophages: An in vitro study

    this study was to evaluate the role of GPR21 in human macrophages, analyzing (i) its involvement in cell THP-1 cells were activated and differentiated into either M1 or M2 macrophages. Cell migration was detected by the Boyden chamber migration assay, performed on macrophages derived from both the THP-1 cell line and human peripheral blood monocytes."

  • Hear the sounds: the role of G protein-coupled receptors in the cochlea

    September 2022 "Sound is converted by hair cells in the cochlea into electrical signals, which are transmitted Frizzleds and Lgrs are dominant GPCRs that regulate stem cell self-renew abilities. Frizzleds and Celsrs have been demonstrated to play core roles in the modulation of cochlear planar cell review the key findings of GPCR in the cochlea and discuss the role of GPCR in the cochlea, such as stem cell

  • Targeting CXCR1 and CXCR2 receptors in cardiovascular diseases

    chemokine receptors, mainly activated by interleukin 8 (IL-8 or CXCL8), are expressed in a variety of cells including, leukocytes, fibroblasts, endothelial cells, and smooth muscle cells. of the ligand, its concentration, and the binding sites with the receptor, levels of the receptor, cell

  • 📰 GPCR Weekly News, April 24 to 30, 2023

    Direct Selection of DNA-Encoded Libraries for Biased Agonists of GPCRs on Live Cells. Bioorthogonal Tethering Enhances Drug Fragment Affinity for G Protein-Coupled Receptors in Live Cells Single-cell transcriptome analysis of NEUROG3+ cells during pancreatic endocrine differentiation with Single cell G-protein coupled receptor profiling of Transcription factor 21 expressing activated kidney FREE Symposium - IPI Surfacing (June 15, 2023) Training School on “Cell-based assays to study Adhesion

  • Targeting CXCR1 and CXCR2 receptors in cardiovascular diseases

    chemokine receptors, mainly activated by interleukin 8 (IL-8 or CXCL8), are expressed in a variety of cells including, leukocytes, fibroblasts, endothelial cells, and smooth muscle cells. of the ligand, its concentration, and the binding sites with the receptor, levels of the receptor, cell

  • Novel interaction between neurotrophic factor-α1/carboxypeptidase E and serotonin receptor, 5-HTR1E,

    CPE-binding studies demonstrated saturable, high-affinity binding to 5-HTR1E in stably transfected HEK293 cells Treatment of 5-HTR1E stable cells with NF-α1/CPE increased pERK 1/2 and pCREB levels which prevented Cell survival assay in β-arrestin Knockout HEK293 cells showed that the NF-α1/CPE-5-HTR1E-mediated protection Immunofluorescence studies showed 5-HTR1E and NF-α1/CPE are highly expressed and co-localized on cell CPE-mediated protection of these neurons against oxidative stress and glutamate neurotoxicity-induced cell

  • 📰 GPCR Weekly News, September 18 to 24, 2023

    Cardiology, Endocrinology, and Taste Structural and functional analysis of salivary intercalated duct cells reveals a secretory phenotype Mesenchymal stromal cell secretory molecules improve the functional survival pathway by G protein-coupled receptor 37 promotes resistance to cisplatin-induced apoptosis in non-small cell Program Receives €4 Million Grant Confo Therapeutics Appoints Stephen Dowd As Chief Business Officer Call Technician Senior Research Associate, In Vitro Pharmacology - Crinetics Pharmaceuticals Postdoc In Cell

  • 📰 GPCR Weekly News, May 20 to 26, 2024

    Oncology and Immunology Enterococcus-derived tyramine hijacks α2A-adrenergic receptor in intestinal stem cells to exacerbate colitis The EBI2 receptor is coexpressed with CCR5 in CD4+ T cells and boosts HIV-1 R5 laboratory and point-of-use settings Quantitative proteomics reveals CLR interactome in primary human cells Exploiting Cell-Based Assays to Accelerate Drug Development for G Protein-Coupled Receptors TOR signaling Scientist Senior Research Associate/Associate Scientist, Protein Science Post-Doctoral Fellow—Pharmacology/Cell

  • Integration and Spatial Organization of Signaling by G Protein-Coupled Receptor Homo- and ...

    Information exchange and interpretation is essential in biology and understanding how cells integrate of information-coding molecules into complex orchestrated responses is a major challenge for modern cell In complex organisms, cell to cell communication occurs mostly through neurotransmitters and hormones are responsible for signal recognition at the membrane level and information transduction inside the cell the formation of GPCRs higher order oligomers provides the structural basis for organizing distinct cell

  • Targeted Therapies to Reduce Side Effects in Modern Drug Development

    The sheer complexity of the cell and the astonishing diversity of diseases are just two reasons why researchers For example, chemotherapy, a powerful standard approach to kill fast-growing cancer cells, has the drawback of causing damage to healthy cells in the process, leading to side effects that can include pain, nausea drug development approaches include a range of techniques leveraging structural biology, immunology, cell

  • 📰 GPCR Weekly News, March 20 to 26, 2023

    disease GPCRs in Oncology and Immunology Purinergic GPCR-integrin interactions drive pancreatic cancer cell CCL5-producing migratory dendritic cells guide CCR5+ monocytes into the draining lymph nodes. Evidence that RXFP4 is located in enterochromaffin cells and can regulate production and release of serotonin Call for GPCR Papers GPCRs: Signal Transduction. Ends tomorrow - March 31st, 2023. NEW FREE Symposium - IPI Surfacing (June 15, 2023) Training School on “Cell-based assays to study Adhesion

  • Chemokine receptor-targeted drug discovery: progress and challenges

    for the treatment of mycosis fungoides or Sézary syndrome in adults which are subtypes of cutaneous T-cell Redundancy can be exemplified by the tumor infiltration of Treg cells which can be driven directly by different chemokines are able to activate different pathways, which can also vary depending on the cell CCR3 and CCR5, and induces different patterns of receptor recycling where CCR5 recycles back to the cell surface (Mack et al. 1998), CCR3 is partially restored to the cell surface and partially targeted to

  • Discovery and In Vivo Evaluation of ACT-660602: A Potent and Selective Antagonist of the Chemokine..

    activated by the three chemokine ligands CXCL9, CXCL10, and CXCL11 and enables the recruitment of immune cell modifications during the lead optimization phase led to a compound with high biological potency in inhibiting cell inflammation model in mice, ACT-660602 led to significantly reduced recruitment of the CXCR3+ CD8+ T cell

  • Multifunctional role of GPCR signaling in epithelial tube formation

    formation requires Rho1-dependent actomyosin contractility to generate the cellular forces that drive cell Rho1 signaling is activated by G-protein-coupled receptor (GPCR) signaling at the cell surface. transduces Fog signal to regulate Rho kinase accumulation and myosin activation in the medioapical region of cells

  • 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 Here, we investigated this issue in living cells for the CC chemokine receptor 5 (CCR5), a major receptor We showed a diversity of ligand-free forms of CCR5 at the cell surface constituted of various oligomeric

  • Multifunctional role of GPCR signaling in epithelial tube formation

    formation requires Rho1-dependent actomyosin contractility to generate the cellular forces that drive cell Rho1 signaling is activated by G-protein-coupled receptor (GPCR) signaling at the cell surface. transduces Fog signal to regulate Rho kinase accumulation and myosin activation in the medioapical region of cells

  • Unlock the Future of GPCR Science: Breakthroughs and Courses Await | Sep 2 - Sep 8, 2024

    ., for their study on Cell swelling enhances ligand-driven β-adrenergic signaling ✨ Reserve Your seat This technique for studying cell receptors could have sweeping implications for drug development DeepCure team is excited to welcome Justin Potnick, to our Medicinal Chemistry group Call for GPCR Papers Emerging , 2024 | 4th Transatlantic ECI GPCR Symposium September 18, 2024 | FREE Webinar - The value of GPCR cell-based plate homeostasis through IHH Signaling GPCR Activation and Signaling Illuminating GPCR trafficking Cell

  • Sweet taste receptor agonists attenuate macrophage IL‐1β expression and eosinophilic inflammation...

    macrophage IL‐1β expression and eosinophilic inflammation linked to autophagy deficiency in myeloid cells Autophagy deficiency in myeloid cells plays a causal role in eosinophilic CRS (ECRS) via macrophage IL and saccharin on macrophage IL‐1β production and eosinophilia in the mouse model of ECRS with myeloid cell‐specific

  • TRPM3 in the eye and in the nervous system - from new findings to novel mechanisms

    However, the channel is expressed in various tissues and cell types including neurons as well as glial and epithelial cells. results and developments with particular focus on findings from studies involving ocular tissues and cells

  • GPCR/endocytosis/ERK signaling/S2R is involved in the regulation of the internalization...

    activating properties of human salivary histatin 1 "Human salivary histatin 1 (Hst1) exhibits a series of cell-activating properties, such as promoting cell spreading, migration, and metabolic activity. We also adopted live cell imaging to monitor the whole intracellular trafficking process of F-Hst1. The inhibitors of GPCR, ERK1/2, phagocytosis, and clathrin-mediated endocytosis (CME) as well as siRNA reduced the uptake, which was accompanied by the nullification of the promoting effect of F-Hst1 on cell

  • GPCRs Are Optimal Regulators of Complex Biological Systems and Orchestrate the Interface between ...

    GPCRs have been long considered as controllers of communication between tissues and cells. This communication involves the ligand-mediated control of cell surface receptors that then direct their stimuli to impact cell physiology. considerable focus has been placed on the ability of these therapeutics to modulate diseases by acting at cell The ability of these receptorsomes (often in the absence of typical cell surface ligands) to control

  • Statin-induced increase in actin polymerization modulates GPCR dynamics and compartmentalization

    For this, we analyzed the lateral dynamics of the serotonin1A receptor in cholesterol-depleted cells Our results indicate that lateral diffusion parameters of serotonin1A receptors in normal cells are consistent Interestingly, these parameters are altered in cholesterol-depleted cells and the receptor exhibits dynamic

  • 📰 GPCR Weekly News, May 1 to 7, 2023

    Characterization of serotonin-5-HTR1E signaling pathways and its role in cell survival. Industry News Addex Therapeutics to Release Q1 2023 Financial Results and Host Conference Call on May FREE Symposium - IPI Surfacing (June 15, 2023) Training School on “Cell-based assays to study Adhesion Scientist - Antibody Engineering Scientist—Immuno-Oncology Convergent Research - Senior Scientist, Cell-Based

  • Glyco-sulfo hotspots in the chemokine receptor system

    CCR7 where it specifically affects the recognition of CCL21 but not CCL19, interfering with dendritic cell as to exist in heterogeneous forms inside the cell (Scurci I et al. 2021). modulation of O-glycosylation and tyrosine sulfation on CCR5 and CCR1 function In this study engineered cell Dissecting the biological relevance of these PTMs requires relevant cells expressing the chemokine receptor In addition, tyrosine sulfation is heterogenous between cell lines or even on the same cell (Scurci I

  • N-terminal alterations turn the gut hormone GLP-2 into an antagonist with gradual loss of GLP-2 ...

    Experimental approach: COS-7 cells were transfected with the human GLP-2R and assessed for cAMP accumulation To examine selectivity, COS-7 cells expressing human GLP-1 or GIP receptors were assessed for cAMP accumulation

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

    receptor-binding and signaling potencies for such ligands when assessed on rodent vs human PTH1Rs, as shown by cell-based Expression is directed by the endogenous mouse promoter and hence occurs in all biologically relevant cells PTH analog peptides that are consistent with a fully functional human PTH1R in target bone and kidney cells

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