top of page
Search Results

127 items found for "Cell proliferation"

  • RGS20 promotes non-small cell lung carcinoma proliferation via autophagy activation and inhibition of the PKA-Hippo signaling pathway

    < GPCR News < GPCRs in Oncology and Immunology RGS20 promotes non-small cell lung carcinoma proliferation CCK8 and cell cloning were conducted to determine the proliferation ability of H1299 and Anip973 cells Further, RGS20 accelerated cell proliferation by increasing autophagy. proliferation. Conclusion: Our findings indicate that RGS20 drives NSCLC cell proliferation by triggering autophagy

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

    Here, we showed that US28 increased the malignancy of U251 glioblastoma cells by enhancing signaling Enhanced S1P signaling promoted glioblastoma cell proliferation and survival by activating the kinases Inhibition of S1P signaling abrogated the proliferative and anti-apoptotic effects of US28. US28 also activated the S1P signaling axis in HCMV-infected cells. Authors Nick D Bergkamp , Jeffrey R van Senten , Hendrik J Brink , Maarten P Bebelman , Jelle van den

  • Activation of PI3K/Akt pathway by G protein-coupled receptor 37 promotes resistance to cisplatin-induced apoptosis in non-small cell lung cancer

    We detected the expression of GPR37 in NSCLC tissues and cell lines. The study explored the influence of GPR37 on tumor cell proliferation. Furthermore, we examined the effects of GPR37 on tumor cell apoptosis and invasion. invasion, migration, and proliferation, suppresses cell apoptosis, heightens resistance to cisplatin Conversely, we observed that GPR37 knockdown suppresses NSCLC cell invasion, migration, and proliferation

  • AGPCR 24 Session VII

    Proliferation Willem Berend Post Adhesion G protein-coupled receptor latrophilin-3 (ADGRL3) modulation undertook a pioneering role in deorphanizing aGPCRs and revealing mechanisms underlying aGPCR-mediated cell-cell and cell-matrix interactions. Proliferation Willem Berend Post Abstract Only available for AGPCR 24 Attendees Authors & Affiliations Willem Berend Post on the web Cell Biology LinkedIn < Previous Session Next Session >

  • NPFF stimulates human ovarian cancer cell invasion by upregulating MMP-9 via ERK1/2 signaling

    < GPCR News < GPCRs in Oncology and Immunology NPFF stimulates human ovarian cancer cell invasion by The TaqMan probe-based RT-qPCR showed that NPFF and NPFFR2 were expressed in three human EOC cells, CaOV3 In comparison, NPFF and NPFFR2 expression levels were higher in SKOV3 cells than in CaOV3 or OVCAR3 cells Treatment of SKOV3 cells with NPFF did not affect cell viability and proliferation but stimulated cell This study provides evidence that NPFF stimulates EOC cell invasion by upregulating MMP-9 expression

  • Interaction with the cell adhesion molecule NEGR1 affects mGluR5 cell signalling

    Registration Logo Contest Committee Sponsors GPCR Retreat Program < Back to schedule Interaction with the cell adhesion molecule NEGR1 affects mGluR5 cell signalling Date & Time Friday, November 3rd / 1:30 PM Abstract Ribeiro has supervised eleven M.Sc. and six Ph.D. students, as well as five post-doctorate fellows. Nowadays, her research group comprises four undergraduates, two M.Sc., and six Ph.D. students, as well These drugs were shown to be very effective to rescue the cell death observed in a mouse model of Huntington

  • Enterococcus-derived tyramine hijacks α2A-adrenergic receptor in intestinal stem cells to exacerbate colitis

    Oncology and Immunology Enterococcus-derived tyramine hijacks α2A-adrenergic receptor in intestinal stem cells disease (IBD) is characterized by dysbiosis of the gut microbiota and dysfunction of intestinal stem cells Using an engineered tyrDC-deficient Enterococcus faecalis strain and intestinal epithelial cell-specific Adra2a knockout mice, we show that Enterococcus-derived tyramine suppresses ISC proliferation, thereby adrenergic receptor Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call

  • GPR97 depletion aggravates imiquimod-induced psoriasis pathogenesis via amplifying IL-23/IL-17 axis signal pathway

    2024 Abstract "Skin psoriasis is defined as receiving external stimulation to activate skin dendritic cells as induce T helper 17 (Th17) cell differentiation leading to elevated production of interleukin 17 ( In addition, hyperproliferative keratinocytes as well as accumulation of DCs and Th17 cells were detected abnormal proliferation as well as Th17 cells differentiation. in skin and alter keratinocytes proliferation as well as differentiation in psoriasis."

  • Molecular characterization of breast cancer cell pools with normal or reduced ability to respond to progesterone: a study based on RNA-seq

    < GPCR News < GPCRs in Oncology and Immunology Molecular characterization of breast cancer cell pools New evidence has shown that progesterone (P4) has an anti-proliferative effect in ERα-positive breast cancer cells. to control T-47D cells. More than 6000 genes were DE in control T-47D cells upon stimulation with P4 or P4 plus E2.

  • Respiratory infections predominate after day 100 following B-cell maturation antigen-directed CAR T-cell therapy

    News < GPCRs in Oncology and Immunology Respiratory infections predominate after day 100 following B-cell maturation antigen-directed CAR T-cell therapy Published date September 26, 2023 Abstract "Infections are an important complication after B-cell maturation antigen (BCMA)-directed chimeric antigen receptor (CAR) T-cell therapy and risks may differ between the early and late periods. Respiratory infections predominate after BCMA CAR T-cell therapy, particularly after day 100.

  • GPR4 in the pH-dependent migration of melanoma cells in the tumor microenvironment

    < GPCR News < GPCRs in Oncology and Immunology GPR4 in the pH-dependent migration of melanoma cells in pH-gradient) is a well-known driver of tumor progression and metastasis. In this study, we investigated the pH-dependent migration of GPR4 wildtype/overexpressing SK-Mel-28 cells Migration of GPR4 overexpressing SK-Mel-28 cells was enhanced in a range of pH 6.5 - pH 7.5 as compared Results indicate that GPR4 is involved in the migration of melanoma cells, especially in the tumor periphery

  • The orphan G protein-coupled receptor 141 expressed in myeloid cells functions as an inflammation suppressor

    News < GPCRs in Oncology and Immunology The orphan G protein-coupled receptor 141 expressed in myeloid cells High GPR141 messenger RNA levels were expressed in myeloid-lineage cells, including neutrophils (CD11b Gpr141 -/- mice, which we independently generated, displayed almost no abnormalities in myeloid cell myelin oligodendrocyte glycoprotein 35-55-specific T cells. , experimental autoimmune encephalomyelitis , monocytes , myeloid cells .

  • 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 Methods: We identified GPCRs expressed in primary CD4+CCR5+ T cells by multi-RT-qPCR. Cell lines expressing EBI2 were established by transduction with HIV vectors. The amount of HIV reverse transcripts was similar in cells expressing or not EBI2. Conclusions: EBI2 expression in CD4+CCR5+ cells boosts HIV-1 R5 productive infection.

  • Purinergic GPCR-integrin interactions drive pancreatic cancer cell invasion

    News < GPCRs in Oncology and Immunology Purinergic GPCR-integrin interactions drive pancreatic cancer cell P2RY2 presents as the purinergic gene with the strongest association with hypoxia, the highest cancer cell-specific receptor-integrin interactions were required for effective downstream signalling, leading to cancer cell Hemant M Kocher , Sabrina Simoncelli , Peter J McCormick , Richard Philip Grose Tags cancer biology , cell Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call for GPCR

  • The GPCR-Gαs-PKA signaling axis promotes T cell dysfunction and cancer immunotherapy failure

    < GPCR News < GPCRs in Oncology and Immunology The GPCR-Gαs-PKA signaling axis promotes T cell dysfunction Here, we cross-integrated large singe-cell RNA-sequencing datasets from CD8+ T cells covering 19 distinct cancer types and identified an enrichment of Gαs-coupled GPCRs on exhausted CD8+ T cells. These include EP2, EP4, A2AR, β1AR and β2AR, all of which promote T cell dysfunction. Gαs-DREADD to activate CD8-restricted Gαs signaling and show that a Gαs-PKA signaling axis promotes CD8+ T cell

  • Simultaneous activation of CXC chemokine receptor 4 and histamine receptor H1 enhances calcium signaling and cancer cell migration

    activation of CXC chemokine receptor 4 and histamine receptor H1 enhances calcium signaling and cancer cell Here, we show that HRH1 is widely expressed in various cancer cell lines and cancer tissues and that that endogenously express CXCR4 and HRH1 but not in cells deficient in CXCR4 or HRH1. while histamine alone does not induce cell migration. Enhanced calcium signaling and cell migration are also observed in NCI-H23 and HeLa cells, which coexpress

  • Opposite Effects of Src Family Kinases on YAP and ERK Activation in Pancreatic Cancer Cells: Implications for Targeted Therapy

    and Immunology Opposite Effects of Src Family Kinases on YAP and ERK Activation in Pancreatic Cancer Cells IGF-1 receptors and G protein-coupled (GPCR) signaling systems leading to mitogenic signaling in PDAC cells agonist neurotensin induced rapid activation of Src family of tyrosine kinases (SFK) within PANC-1 cells by FAK phosphorylation at Tyr576/577 and Tyr861, sensitive biomarkers of SFK activity within intact cells and suppressed the growth of Mia PaCa-2 cells xenografted into the flank of nude mice.

  • CaaX-motif-adjacent residues influence G protein gamma (Gγ) prenylation under suboptimal conditions

    supports membrane interactions of proteins involved in various cellular processes, including migration, proliferation We examined the prenylation of carboxy-terminus (Ct) mutated Gγ in cells exposed to Fluvastatin and prenyl monitored the subcellular localization of fluorescently tagged Gγ subunits and their mutants using live-cell Given the cell and tissue-specific expression of different Gγ subtypes, our findings indicate a plausible mechanism allowing for statins to differentially perturb heterotrimeric G protein signaling in cells

  • CircFKBP5 Suppresses Apoptosis and Inflammation and Promotes Osteogenic Differentiation

    Promotes Osteogenic Differentiation Published date May 30, 2023 Abstract "Objectives: Dental pulp stem cells (DPSCs) are a type of mesenchymal stem cell possessing self-renewal and multilineage differentiation Materials and methods: The viability and apoptosis of human DPSCs (hDPSCs) were determined using Cell functionally, reexpression of circFKBP5 attenuated LPS-induced apoptosis, inflammation, and inhibition of proliferation Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call for GPCR

  • Metallo-protease Peptidase M84 from Bacillusaltitudinis induces ROS-dependent apoptosis in ovarian cancer cells by targeting PAR-1

    Metallo-protease Peptidase M84 from Bacillusaltitudinis induces ROS-dependent apoptosis in ovarian cancer cells This metallo-protease had no discernible impact on normal cell survival, but it specifically induced apoptosis in ovarian cancer cells. PAR-1, a GPCR which is reported to be overexpressed in ovarian cancer cells, was identified as a target This evoked apoptotic death of the ovarian cancer cells through the intrinsic route.

  • PAXIP1-AS1 is associated with immune infiltration and predicts poor prognosis in ovarian cancer

    Abstract "The long non-coding RNA (LncRNA) PAXIP1 antisense RNA 1 (PAXIP1-AS1) was found to promote proliferation , migration, EMT, and apoptosis of ovarian cancer (OC) cells in OC cell lines, but the relationship between QRT-PCR was used to validate the expression of PAXIP1-AS1 in OC cell lines. PAXIP1-AS1 was significantly downregulated in OC cell lines compared with IOSE29 cell line. , Hui Liu Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call

  • miR-19a may function as a biomarker of oral squamous cell carcinoma (OSCC) by regulating the signaling pathway of miR-19a/GRK6/GPCRs/PKC in a Chinese population

    < GPCR News < GPCRs in Oncology and Immunology miR-19a may function as a biomarker of oral squamous cell Using a transcriptomic analysis of over 37,000 nuclei, we identified twelve distinct clusters of cells corresponding to temperature-sensing arista neurons, humidity-sensing sacculus neurons, and support cells We found that each cell type could be characterized by a unique expression profile of ion channels, GPCR signaling molecules, synaptic vesicle cycle proteins, and cell adhesion molecules.

  • Comparative Analysis of the GNAI Family Genes in Glioblastoma through Transcriptomics and Single-Cell Technologies

    Immunology Comparative Analysis of the GNAI Family Genes in Glioblastoma through Transcriptomics and Single-Cell regulation of actin cytoskeleton organization by the kinase effectors of Rho GTPases" and "Immune response B cell A single-cell analysis was used to assess GNAI3 expression in GBM. Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call for GPCR

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

    of the nematode-trapping fungus Arthrobotrys flagrans activates mitochondria and reprograms fungal cells GPCR, GprC, at the plasma membrane and together with the G-protein alpha subunit GasA, reprograms the cell Reinhard Fischer Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call

  • Ep 146 with Dr Michael Feigin

    ., PNAS, 2014) in breast cancer pathogenesis, using mouse models, three-dimensional cell culture and Mike's Research on Cell Polarity and GPCRs in Cancer Mike shared his research on cell polarity and its He also discussed the impact of disrupting histone processing on rapidly proliferating cells, such as cancer cells, and suggested a therapeutic index for a drug called JTE-6.7. He also discussed his experiments and discoveries about GPR161 in mammary epithelial cells, the effect

  • 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

    kinase (MAGUK) scaffold protein, and protein kinase A anchoring protein (AKAP) 5 in MCF7 breast cancer cells MCF7 breast cancer cells express GPR30, β1AR, MAGUKs, and AKAP5 in the plasma membrane, and co-immunoprecipitation Furthermore, expression of GPR30 in MCF7 cells constitutively and PDZ-dependently inhibits β1AR-mediated These results argue that GPR30 and β1AR form a PDZ-independent complex in MCF7 cells through which GPR30 adrenergic receptor Source Contribute to the GPCR News Coming soon Become a Contributor Classified GPCR News Call

  • GPR68-ATF4 signaling is a novel prosurvival pathway in glioblastoma activated by acidic extracellular microenvironment

    Low extracellular pH confers radioresistant tumors to glial cells. inhibitor of GPR68 named Ogremorphin (OGM) to induce the iron mediated cell death pathway: ferroptosis Next, A GPI-anchored pH reporter, pHluorin2, was stably expressed in U87 glioblastoma cells to probe Cell survival assays, via nuclei counting and cell titer glo, were used to demonstrate sensitivity to To determine GPR68 inhibition's mechanism of cell death we use DAVID pathway analysis of RNAseq.

  • Wnt pathway inhibition with the porcupine inhibitor LGK974 decreases trabecular bone but not fibrosis in a murine model with fibrotic bone

    previously showed that ColI(2.3)+/Rs1+ mice, in which Gs-GPCR signaling was hyper-activated in osteoblastic cell signaling pathway has been implicated in the pathogenesis of FD-like bone, but the specific Wnts and which cells Single-cell RNA sequencing on long-bone stromal cells of 9-wk-old male ColI(2.3)+/Rs1+ mice and littermate controls showed that fibroblastic stromal cells in ColI(2.3)+/Rs1+ mice were expanded. ligands were up- or downregulated in different cellular populations, including in non-osteoblastic cells

bottom of page