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September 2022 "Yeast use the G-protein–coupled receptor signaling pathway to detect and track the mating The G-protein–coupled receptor pathway is inhibited by the regulator of G-protein signaling (RGS) Sst2 which induces Gα GTPase activity and inactivation of downstream signaling. G-protein signaling activates the MAPK Fus3, which phosphorylates the RGS; however, the role of this Completion of cytokinesis in the presence of pheromone is promoted by the kelch-repeat protein, Kel1

This question led Huang et al., 2022 to investigate the molecular basis involved in G protein-receptor homology, coupled to different families of G proteins, so the comparison and structural analysis of of G proteins. interactions are crucial for the coupling of G-proteins to serotonin receptors. of the receptor to the G protein.

One of the CNVs is located on chromosome 4q13.1 in the region of the gene encoding for adhesion G protein-coupled receptor L3 (ADGRL3, former name: latrophilin-3, LPHN3), the other on chromosome 3p26.3 in the region

September 2022 Biased GPCR signaling by the native parathyroid hormone-related protein 1 to 141 relative through its cognate G-protein coupled receptor (GPCR), the PTH type 1 receptor (PTHR), is largely derived activation, (ii) receptor signaling via Gs and Gq, and (iii) receptor internalization and recycling Furthermore, we show that the molecular basis for biased signaling differences between PTHrP1-36 and native protein hormone acting in conjunction with a GPCR."

Coordinated transcriptomics and peptidomics of central nervous system identify neuropeptides and their G protein-coupled receptors in the oriental fruit moth Grapholita molesta The oriental fruit moth Grapholita Neuropeptides and their specific receptors (primarily G protein-coupled receptors, GPCRs) regulate multiple Here, we generated a transcriptome of the central nervous system (CNS) of G. molesta. determine physiological functions and pharmacological characterization of neuropeptides and their GPCRs in G.

October 2022 "G protein-coupled receptors (GPCRs) play critical roles in human physiology and are one allosteric sites and significantly enhanced our understanding of how allosteric ligands interact with receptors structures in complex with small-molecule allosteric ligands in terms of the location of allosteric pockets, receptor-ligand

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.

GPCR Activation and Signaling The G protein alpha chaperone and guanine-nucleotide exchange factor RIC on Cardiac Hypertrophy Single cell G-protein coupled receptor profiling of activated kidney fibroblasts Protein-Coupled Receptor Signaling Optical Approaches for Investigating Neuromodulation and G Protein-Coupled Receptor Signaling Protocol for identifying physiologically relevant binding proteins of G-protein-coupled receptors Reviews, GPCRs, and more RGS proteins and cardiovascular Angiotensin II Signaling: Novel opportunities

September 2021 "Cannabinoids are abundant signaling compounds; their influence predominantly arises via engagement with the principal two G-protein-coupled cannabinoid receptors, CB1 and CB2. Earlier publications have indicated that expression of CB1 receptor mRNA and protein has been recognized on downstream signaling of the nuclear receptor, NR4A, which regulates the immediate impacts of arachidonyl signaling.

Through bioinformatic analysis of lysosomal proteomes, we identified lysosomal cholesterol signaling (LYCHOS, previously annotated as G protein-coupled receptor 155), a multidomain transmembrane protein that enables cholesterol-dependent activation of the master growth regulator, the protein kinase mechanistic Thus, LYCHOS functions in a lysosomal pathway for cholesterol sensing and couples cholesterol concentrations to mTORC1-dependent anabolic signaling."

but Not G Protein Interaction "The calcium-sensing receptor is a homodimeric class C G protein-coupled ) unit that activates G protein-dependent signaling via twin Cysteine-rich domains linked to transmembrane In contrast, a single WT HH bundle was insufficient for maximal signaling and there was no functional Finally, we observed that the Ca2+o -stimulated CaSR operated exclusively via signaling in-trans and not via combined in-trans and in-cis signaling.

In all these situations, chemokines interact with seven-transmembrane chemokine-type G protein-coupled In humans there are approximately 45 chemokines, 19 chemotactic or G-protein coupled chemokine receptors (CKRs) that signal via Gαi and 4 official atypical chemokine receptors (ACKRs) which engage in ligand scavenging and favor β-arrestin biased signaling (Murphy, PM. et al. 2000). protein-coupled CKRs that bind to the same ligand(s) (Nibbs, R.

Objective: The goal of this study was to determine the glucometabolic effects of acute activation of Gs signaling Methods: To address this question, we studied mice that express a Gs-coupled designer G protein-coupled Results: Acute stimulation of GsD signaling in SKM impaired glucose tolerance in lean and obese mice The acute metabolic effects of UCN2 were not mediated by SKM Gs signaling. However, acute in vivo stimulation of endogenous Gs-coupled receptors enriched in SKM has only a limited

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

September 2022 "Serotonin receptor 5-HT2A and tropomyosin receptor kinase B (TrkB) strongly contribute decreased TrkB autophosphorylation, preventing its activation with agonist 7,8-DHF, even with low 5-HT2A receptor A blockade of 5-HT2A receptor with the preferential antagonist ketanserin prevented the receptor-mediated Our data reveal the functional role of 5-HT2A–TrkB receptor heterodimerization and suggest that the regulated

September 2022 β2-Adrenergic Receptor Expression and Intracellular Signaling in B Cells Are Highly Dynamic In this study, the expression and signaling of β2-ADR in B cells during collagen-induced arthritis (CIA Adrenergic receptors on B cells and intracellular β2-ADR downstream molecules (G protein-coupled receptor kinase 2 (GRK-2), β-Arrestin 2, p38 MAPK, extracellular signal-regulated kinase 1/2 (ERK1/2) and cAMP The change of β2-ADR expression and signaling during sustained inflammation might be an integral part

A finely tuned signalling compartmentalization orchestrated in dynamic platforms is an essential requirement several studies have depicted the pivotal role of the cytoskeleton and lipid microdomains in controlling signalling Here, we discuss mechanisms responsible for signalling amplification and compartmentalization in T cell activation, focusing on the role of CD28, chemokine receptors and the actin cytoskeleton. We also take into account the detrimental effect of mutations carried by distinct signalling proteins

GPCRs in Neuroscience The head mesodermal cell couples FMRFamide neuropeptide signaling with rhythmic GPCRs in Oncology and Immunology Ovarian cancer G protein-coupled receptor 1 (OGR1) deficiency exacerbates Protein Coupled Receptors. Reviews, GPCRs, and more Optical approaches for investigating neuromodulation and G Protein-Coupled Receptor signaling.

coupled receptors under diverse states Fan Liu , Han Zhou , Xiaonong Li , Liangliang Zhou , Chungong Smad transcription factors as mediators of 7 transmembrane G protein-coupled receptor signalling The voltage sensitivity of G-protein coupled receptors: Unraveling molecular mechanisms and physiological implications Sphingosine-1-phosphate activates LRRC8 volume-regulated anion channels through Gβγ signalling and Molecular Insights into GPCR Function GPCR-BSD: a database of binding sites of human G-protein coupled

Mechanical Activation: GAIN Domain Unfolding and Dissociation in Adhesion GPCRs GPCR Activation and Signaling Diuretic hormone 31 activates two G protein-coupled receptors with differential second messengers for diuresis in Drosophila suzukii Beyond the G protein α subunit: investigating the functional impact of protein-coupled receptor signaling GPCRs in Oncology and Immunology Observational Study of Repeat Immunoadsorption protein-coupled receptor GrlG and the loss of fruiting body formation in the social amoeba Dictyostelium

September 2022 "Heterotrimeric G-protein transducin, Gt, is a key signal transducer and amplifier in The only other farnesylated G-protein γ-subunit, Gγ11 (Gng11), is expressed in multiple tissues but not

The molecular diversity of GPCR signaling systems is likely to be closely associated with disease-associated This communication involves the ligand-mediated control of cell surface receptors that then direct their has been placed on the ability of these therapeutics to modulate diseases by acting at cell surface receptors intracellular domain dictate and condition long-term GPCR activities associated with the regulation of protein understanding of this function of GPCRs is likely to significantly augment our ability to further employ these proteins

October 2022 Structural perspectives on the mechanism of signal activation, ligand selectivity and allosteric modulation in angiotensin receptors: IUPHAR Review 34 "Functional advances have guided our knowledge Thus, we need to know much more about the structures of receptor-ligand complexes at high resolution. Recently, X-ray structures of both AngII receptors (AT1 and AT2 receptors) bound to peptide and non-peptide , as the basis of ligand selectivity, efficacy, and regulation of the molecular functions of the receptors

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

September 2022 "GPCR signaling and function depend on their associated proteins and subcellular locations Besides G-proteins and β-arrestins, 14-3-3 proteins participate in GPCR trafficking and signaling, and they connect a large number of diverse proteins to form signaling networks. We found that some agonist-induced GPCR/14-3-3 signal intensities can rapidly decrease. could also be paralleled with GPCR/β-arrestin-2 signals, indicating diminished levels of GPCR/signal

CXV: The Class F of G Protein-Coupled Receptors Yusman Manchanda, Dr. protein-coupled receptors relevant to schizophrenia Dr. signaling pathways underpin fitness trade-offs in whitefly G protein-coupled receptor kinases in hypertension variations encoding missense mutations in G protein-coupled receptors may contribute to autism GPCRs to G protein-coupled receptors Unravelling G protein-coupled receptor signalling networks using global

August 2022 Dopamine D 1 receptor-mediated β-arrestin signaling: Insight from pharmacology, biology, behavior, and neurophysiology "The awareness of the potential importance of functional selectivity/biased signaling A major pan-receptor focus has been to identify GPCR-selective ligands that have bias in G protein-dependent vs. β-arrestin related signaling. important pharmacological, molecular, and cellular studies relevant to D1-mediated β-arrestin-related signaling

12 different G protein-coupled receptors (GPCRs) through selective coupling of Gs, Gi, or Gq proteins The structural basis for G protein subtype selectivity by these GPCRs remains elusive. We find that the macro-switch by the TM5-TM6 length is shared by class A GPCR-G protein structures. Together, these results present a common mechanism of Gs versus Gi protein coupling selectivity or promiscuity by class A GPCRs and extend the basis of ligand recognition at serotonin receptors."