• In 2005, further evidence was provided that receptor oligomerization plays a functional role in a living organism with regulatory implication. (wikipedia.org)
  • The protein expression of nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3), apoptosis speck-like protein (ASC), caspase-1, gasdermin D (GSDMD), and GSDMD-N, the mRNA expression of NLRP3, caspase-1, GSDMD, interleukin-1ß (IL-1ß) and IL-18 were evaluated. (bvsalud.org)
  • A GPCR oligomer is a protein complex that consists of a small number (ὀλίγοι oligoi "a few", μέρος méros "part, piece, component") of G protein-coupled receptors (GPCRs). (wikipedia.org)
  • This has consequences for: the supply of the cell surface with receptors the ligand binding at corresponding binding sites the G-protein coupling the GPCR-mediated signal transduction modifying the desensitization profile the tendency for endocytosis and internalization the post-endocytotic fate of the receptors There are various methods to detect and observe GPCR oligomers. (wikipedia.org)
  • The first direct evidence that GPCRs functioned as oligomers in vivo came from Overton and Blumer in 2000 by fluorescence resonance energy transfer (FRET) analysis of the α-factor receptor in the yeast Saccharomyces cerevisiae. (wikipedia.org)
  • The endogenous levels of the purine nucleoside, adenosine, increase significantly following cardiovascular events. (frontiersin.org)
  • The purine nucleoside adenosine was first identified in 1929 when Drury and Szent-Gyorgyi successfully extracted a rhythm-influencing adenylic substance from the mammalian heart and other tissues ( Drury and Szent-Gyorgyi, 1929 ). (frontiersin.org)
  • Recent studies have built upon decades of evidence that adenosine, a purine nucleoside that can act as a neuromodulator, is involved in pain transmission and sensitization. (mdpi.com)
  • Studies with CGS21680, a specific agonist of adenosine A2A receptor (AdoRA2A), and ZM241385, an AdoRA2-selective antagonist, indicate that the inhibitory effects of adenosine are mediated via cyclic AMP (cAMP)-elevating AdoRA2A, leading to protein kinase A (PKA) activation. (nih.gov)
  • Pretreating the isolated pulmonary arteries with DOPA 1 µM enhanced vasoconstriction in response to phenylephrine, an ADRA1 agonist, but not to U-46619, a thromboxane A2 agonist or endothelin-1. (bvsalud.org)
  • Inhibitors of the PKA catalytic subunits (H89 and PKA inhibitor peptide 14-22) failed to abrogate the inhibitory effects of CADO. (nih.gov)
  • Numerous clinical trials are currently evaluating combination immunomodulatory strategies incorporating vaccine-based therapies, checkpoint inhibitors, and chimeric antigen receptor (CAR) T cells. (encyclopedia.pub)
  • A GPCR oligomer is a protein complex that consists of a small number (ὀλίγοι oligoi "a few", μέρος méros "part, piece, component") of G protein-coupled receptors (GPCRs). (wikipedia.org)
  • We previously showed that 3,4-l-dihydroxylphenyalanine (DOPA) sensitizes vasomotor response to sympathetic tone via coupling between the adrenergic receptor alpha1 (ADRA1) and a G protein-coupled receptor 143 (GPR143), a DOPA receptor. (bvsalud.org)
  • Toll-like receptor 4 signaling in trigeminal ganglion neurons contributes tongue-referred pain associated with tooth pulp inflammation. (medscape.com)
  • Metabotropic glutamate receptor 1 (mGluR1): antibody specificity and receptor expression in cultured primary neurons. (neurotree.org)
  • mRNA expressions of Notch receptors (Notch1,3) and ligands (Jag1, Dll4), and downstream effector genes (Hey1, MLCK, MYPT1) were assessed by RT-qPCR. (bvsalud.org)
  • The functional character of a receptor is dependent on its tertiary or quaternary structure. (wikipedia.org)
  • Toll-like receptor signaling adapter proteins govern spread of neuropathic pain and recovery following nerve injury in male mice. (medscape.com)
  • Clinical evidence and rodent studies have suggested that adenosine signaling also plays a critical role in migraine headache. (mdpi.com)
  • For a long time it was assumed that receptors transmitted their effects exclusively from their basic functional forms - as monomers. (wikipedia.org)
  • The goal of this study was to investigate the effects of adenosine and its stable analogue 2-chloroadenosine (CADO) on the cytotoxic activity and cytokine production by human antimelanoma specific CD8+ and CD4+ T-helper type 1 (Th1) clones. (nih.gov)
  • Using cAMP analogues with different affinities for the A and B sites of the regulatory subunits of PKAI and PKAII, we found that activation of PKAI, but not of PKAII, mimicked the inhibitory effects of adenosine on T-cell cytotoxic activity and cytokine production. (nih.gov)
  • Adenosine exerts cardioprotective, neuromodulatory, and immunosuppressive effects by activating plasma membrane-bound P1 receptors that are widely expressed in the cardiovascular system. (frontiersin.org)
  • Here, we provide a comprehensive and up-to-date critical review about the main therapeutic advantages of tuning adenosine signalling pathways in HFpEF, without discounting their side effects and how these can be seized. (frontiersin.org)
  • Only in 1972, Geoff Burnstock (born: May 10, 1929, died: June 2, 2020) coined the term purinergic signalling referring to the extracellular effects of adenosine 5′-triphosphate (ATP). (frontiersin.org)
  • LPS and TNF alpha modulate AMPA/NMDA receptor subunit expression and induce PGE2 and glutamate release in preterm fetal ovine mixed glial cultures. (medscape.com)
  • This has consequences for: the supply of the cell surface with receptors the ligand binding at corresponding binding sites the G-protein coupling the GPCR-mediated signal transduction modifying the desensitization profile the tendency for endocytosis and internalization the post-endocytotic fate of the receptors There are various methods to detect and observe GPCR oligomers. (wikipedia.org)
  • In 2005, further evidence was provided that receptor oligomerization plays a functional role in a living organism with regulatory implication. (wikipedia.org)
  • While initially thought to be a receptor heterodimer, a review from 2015 determined that the A2A-DRD2 heteromer is a heterotetramer composed of A2A and DRD2 homodimers (i.e., two adenosine A2A receptors and two dopamine D2 receptors). (wikipedia.org)
  • Erythropoietin improves motor and cognitive deficit, axonal pathology, and neuroinflammation in a combined model of diffuse traumatic brain injury and hypoxia, in association with upregulation of the erythropoietin receptor. (medscape.com)
  • Following Burnstock's pioneering work on the role of ATP-sensitive P2 purinoceptors, its metabolite adenosine soon became recognized as an extracellular signalling molecule through the activation of plasma membrane-bound P1 receptors family that are expressed in every organ systems in the body. (frontiersin.org)
  • The cytotoxic activity of CD8+ T cells was inhibited by adenosine and CADO. (nih.gov)
  • The first direct evidence that GPCRs functioned as oligomers in vivo came from Overton and Blumer in 2000 by fluorescence resonance energy transfer (FRET) analysis of the α-factor receptor in the yeast Saccharomyces cerevisiae. (wikipedia.org)
  • A novel autoantibody against ephrin type B receptor 2 in acute necrotizing encephalopathy. (medscape.com)
  • The existence of receptor oligomers is a general phenomenon, whose discovery has superseded the prevailing paradigmatic concept of the function of receptors as plain monomers, and has far-reaching implications for the understanding of neurobiological diseases as well as for the development of drugs. (wikipedia.org)