• Human growth hormone and extracellular domain of its receptor: crystal structure of the complex. (sagepub.com)
  • An important part of normal cell signaling is the mitogen-activated protein kinase/extracellular signal-regulated kinase, or MAP kinase-ERK, signaling pathway, which is a signaling function that helps to turn cell growth "on" and "off. (medscape.com)
  • Extracellular stimuli that activate cell surface receptors modulate glucocorticoid actions via as yet unclear mechanisms. (rupress.org)
  • Furthermore, IL-17, IL-1β, and TNF-α induced a rapid activation of extracellular signal-related kinase p42/44 and p38 MAPKs, and specific MAPK inhibitors (SB203580, PD98059, and U0216) significantly reduced IL-17-, IL-1β-, or TNF-α-induced IL-6 secretion, indicating the role of MAPKs in the induction of IL-6. (aai.org)
  • Surprisingly, in the light of previous studies with other cells, the PP2A-dependent proliferation could be dissociated from activation by extracellular signal-regulated protein kinase (ERK) in macrophages because OA did not affect either the basal or CSF-1-induced ERK activity in BMM. (edu.au)
  • Macrophages and dendritic cells can produce 1,25-dihydroxyvitamin D within the microenvironment. (springer.com)
  • The lamina propria of the small intestine is the main site of the intestinal immune system, which contains a large number of macrophages, CD4 T cells, and dendritic cells. (frontiersin.org)
  • Viruses then travel to the alveoli and infect type 2 pneumocytes which, in the youthful system (lower left), are recognized by alveolar macrophages (AMs) or dendritic cells (not pictured) that release cytokines and present antigens to T cells and other adaptive immune cells. (aging-us.com)
  • Molecular cloning of L-JAK, a Janus family protein-tyrosine kinase expressed in natural killer cells and activated leukocytes. (sagepub.com)
  • CSF1R is a tyrosine kinase transmembrane receptor and member of the CSF1/PDGF receptor family of tyrosine-protein kinases. (thermofisher.com)
  • MST1R (RON) is a trans-membrane receptor tyrosine kinase (RTK), which is part of the c-MET proto-oncogene family. (frontiersin.org)
  • In vitro, we found that GV1001 inhibited the Receptor Activator of NF-κB ligand (RANKL)-induced osteoclast formation and tumor necrosis factor-α (TNF-α)-induced phenotypic changes in endothelial cells. (bvsalud.org)
  • Ligand binding activates the receptor kinase through a process of oligomerization and transphosphorylation. (thermofisher.com)
  • The only ligand recognized to bind MST1R (RON) is Macrophage Stimulating 1 (MST1), also known as Macrophage Stimulating Protein (MSP) or Hepatocyte Growth Factor-Like Protein (HGFL). (frontiersin.org)
  • The receptor for CSF-1 is the product of the c-fms proto-oncogene, which, on binding ligand, can stimulate a mitogenic response in the appropriate cells. (edu.au)
  • Taking advantage of the diverse γδ TCR repertoire or other ligand-receptor interactions, γδ T cells can recognize a broad spectrum of tumor-associated antigens (TAAs) in a major histocompatibility complex (MHC)-independent manner, thereby activating downstream pleiotropic effects. (explorationpub.com)
  • The pathway uses a novel mechanism in which cytosolic latent transcription factors, known as signal transducers and activators of transcription (STATs), are tyrosine phosphorylated by Janus family tyrosine kinases (Jaks), allowing STAT protein dimerization and nuclear translocation. (sagepub.com)
  • Tofacitinib, a Janus kinase (JAK) inhibitor, is approved for RA treatment in humans. (biomedcentral.com)
  • Periodontitis is a risk factor for a variety of systemic diseases, including atherosclerosis, a process in which chronic systemic and vascular inflammation results in the formation of plaques containing lipids, macrophages, foam cells, and tissue debris on the vascular intima. (bvsalud.org)
  • In addition, the effects of macrophages in the occurrence and development of inflammatory bowel disease (IBD), and their role in inducing fibrosis, activating T cells, reducing colitis, and treating intestinal inflammation were also reviewed in this paper. (frontiersin.org)
  • Macrophages are phagocytes found in tissues and maintain tissue homeostasis, regulate inflammation, and play a significant role in host protection. (frontiersin.org)
  • In various mouse and rat models of obesity and type 1 and 2 diabetes mellitus, eCBs generated in various renal cells activate CB 1 receptors and contribute to the development of oxidative stress, inflammation, and renal fibrosis. (degruyter.com)
  • The meeting will also highlight recent work on macrophage inflammation in the context of SARS-CoV-2 infection and work from recently-funded NIMH, NIDA, and NINDS investigators. (nih.gov)
  • A panel will discuss research gaps and priorities related to human macrophage reservoirs and inflammation/comorbidities and treatment strategies for HIV remission and cure. (nih.gov)
  • NF-κB ( Nuclear Factor kappa B ) is a ubiquitous family of transcription factors involved in biological processes such as inflammation, immunity, proliferation and apoptosis [ 1 - 3 ]. (oncotarget.com)
  • The large number of macrophages in the intestinal tract, play a significant role in maintaining the homeostasis of microorganisms on the surface of the intestinal mucosa and in the continuous renewal of intestinal epithelial cells. (frontiersin.org)
  • Endothelial and epithelial cells, and resident macrophages are potent producers of inflammatory cytokines, interleukins, IL-1, IL-6, and TNF-α, which are distinguished from another set that is treated in this study. (pharmaceuticalintelligence.com)
  • T cells with the appropriate receptors activate other lymphocytes or directly kill infected cells, preventing the spread of the virus. (aging-us.com)
  • Lymphocytes are the predominant cells of the immune system, but macrophages and plasma cells are present also. (pharmaceuticalintelligence.com)
  • Vitamin D inhibits monocyte/macrophage proinflammatory cytokine production by targeting MAPK phosphatase-1. (springer.com)
  • Moreover, Orai3 markedly increased the expression of inhibitor of DNA binding 1 (ID1), a stemness transcription factor. (bvsalud.org)
  • Inhibitor FX11 inhibits LDHA activity of macrophages, and can down-regulate pro-inflammatory cytokines, inducible nitric oxide synthase (iNOS) and cyclooxygenase 2 (COX2) by inhibiting mitogen-activated protein (MAP) kinase phosphorylation , Thus playing an anti-inflammatory effect. (medicaltrend.org)
  • If severe, biologic therapy is used to treat patients with severe Crohn's disease that does not respond to any other types of medication, such as a TNF (tumor necrosis factor) inhibitor which can have secondary effects, and they are not universally effective. (pharmaceuticalintelligence.com)
  • Vitamin D receptors are expressed on the principal cell populations involved in the innate and adaptive immune responses. (springer.com)
  • The so called B-cells have receptors that recognize foreign antigen, but the T-cells have similar receptors and are tied to both the innate and the adaptive immune response. (pharmaceuticalintelligence.com)
  • Mutations in the gene encoding CSF1R have been associated with a predisposition to myeloid malignancy.Tyrosine-protein kinase that acts as cell-surface receptor for CSF1 and IL34 and plays an essential role in the regulation of survival, proliferation and differentiation of hematopoietic precursor cells, especially mononuclear phagocytes, such as macrophages and monocytes. (thermofisher.com)
  • These factors stimulate proliferation, differentiation, and survival signals, as well as specialized functions in host resistance to pathogens. (sagepub.com)
  • Tyrosine 343 in the erythropoietin receptor positively regulates erythropoietin‐induced cell proliferation and Stat5 activation. (sagepub.com)
  • Exogenous IL1β stimulated the proliferation and reactivity of microglia in the absence of damage, reduced numbers of dying cells in damaged retinas, and increased neuronal survival following an insult. (biomedcentral.com)
  • Defective lymphoid development in mice lacking expression of the common cytokine receptor gamma chain. (sagepub.com)
  • The molecular basis of X-linked severe combined immunodeficiency: defective cytokine receptor signaling. (sagepub.com)
  • Each distinct CD4 + T-cell subset has a specific function and can mainly be distinguished by its cytokine profile, the expression pattern of cell surface molecules, and the activation of specific transcription factors 8 . (nature.com)
  • Normally, activation of the CB 1 receptor regulates renal vascular hemodynamics and stimulates the transport of ions and proteins in different nephron compartments. (degruyter.com)
  • We show that NAD + regulates CD4 + T-cell differentiation through tryptophan hydroxylase-1 ( Tph1 ), independently of well-established transcription factors. (nature.com)
  • Endocannabinoids (eCBs) are endogenous lipid ligands that bind to cannabinoid receptors that also mediate the effects of marijuana. (degruyter.com)
  • Macrophages play a significant role in many processes, such as the human immune function, parasite infection, and tissue remodeling by secreting cytokines and producing reactive oxygen and nitrogen intermediates. (frontiersin.org)
  • Here, we report that the guanine nucleotide-binding protein (G protein)-coupled receptor-activated WD-repeat Gβ interacts with the glucocorticoid receptor (GR), comigrates with it into the nucleus and suppresses GR-induced transactivation of the glucocorticoid-responsive genes. (rupress.org)
  • Both CB 1 and CB 2 receptors, which share a low level (44%) of sequence homology [6], are G protein-coupled receptors that mainly signal via G i /G o proteins, even though they may also activate G s , G q/11 , and G protein-independent signaling pathways [ 7 ]. (degruyter.com)
  • Both Northern and Western blot analyses confirmed the increased expression of one of the cDNA species identified as coding for the catalytic subunit of protein phosphatase 2A (PP2A), an observation not previously reported during the response to a growth factor. (edu.au)
  • Welcome to the Macrophage Infection of HIV Implications for Pathogenesis and Cure meeting, jointly organized by the National Institute of Mental Health and the Ragon Institute of MGH, MIT, and Harvard. (nih.gov)
  • So we at the NIMH Division of AIDS Research are very happy to be co-sponsoring this conference with the Ragon Institute, recognizing the importance of macrophages in HIV pathogenesis and cure efforts. (nih.gov)
  • More recently, the role of Th1 and Th17 CD4 + cells in the pathogenesis of experimental autoimmune encephalomyelitis (EAE), the most commonly used experimental model for human MS, has been challenged, and it has been demonstrated that the transcription factor T-bet (also known as Tbx21 ) is critical for controlling Th1/Th17-mediated autoimmunity 12 . (nature.com)
  • As a result, growing evidence support the role of this transcription factor in the pathogenesis number of human hematological and solid malignancies. (oncotarget.com)
  • Compared with TME, the microenvironment of inflammatory diseases such as arthritic synovium has a high level of inflammatory cell subpopulations, such as TH1 cells, TH17 cells, inflammatory macrophages, and CD4+CD25+ with impaired functions. (medicaltrend.org)
  • In addition, it was recently shown that Th17 cells that were generated with transforming growth factor (TGF)-β and IL-6 were not pathogenic and did not induce EAE without exposure to IL-23 (ref. 23 ). (nature.com)
  • CSF1R (FMS) is involved in the production, differentiation, and function of macrophages, and is implicated in promyelocytic leukemias. (thermofisher.com)
  • The importance of immunity can't be understated, it involves a large portion of immune system and primitive Toll-like receptors (TLRs) that trigger signaling pathways. (pharmaceuticalintelligence.com)
  • In contrast, activation of the renal CB 2 receptors reduces the deleterious effects of these chronic diseases. (degruyter.com)
  • Both AEA and 2-AG are generated "on demand" from membrane phospholipid precursors in response to elevated intracellular calcium or metabotropic receptor activation [ 20 ]. (degruyter.com)
  • Colony-stimulating factor 1 (CSF-1) is required for the development of monocytes/macrophages from progenitor cells and for the survival and activation of mature macrophages. (edu.au)
  • Macrophages, which are functional plasticity cells, have the ability to phagocytize and digest foreign substances and acquire pro-(M1-like) or anti-inflammatory (M2-like) phenotypes according to their microenvironment. (frontiersin.org)
  • A clear understanding of the function of macrophages, as well as their role in pathogens and inflammatory response, will delineate the next steps in the treatment of intestinal inflammatory diseases. (frontiersin.org)
  • In this review, we discuss the origin and development of macrophages and their role in the intestinal inflammatory response or infection. (frontiersin.org)
  • Herein, we investigate how inflammatory mediators, including microglia, interleukin 1 beta (IL1β), and signaling through interleukin 1 receptor type 1 (IL-1R1), influence the survival of retinal neurons in response to excitotoxic damage. (biomedcentral.com)
  • So this meeting will examine emerging data relating to macrophage interactions with the immune system during HIV infection, macrophage reservoirs and approaches to their elimination, and the involvement of CNS myeloid reservoirs and associated comorbidities. (nih.gov)
  • In addition to the brain-type CB 1 receptor, a second cannabinoid receptor was identified in lymphoid tissue and was named CB 2 [ 6 ]. (degruyter.com)
  • Because the therapeutic potential of globally acting CB 1 receptor antagonists in these conditions is limited due to their neuropsychiatric adverse effects, the recent development of peripherally restricted CB 1 receptor antagonists may represent a novel pharmacological approach in treating renal diseases. (degruyter.com)
  • γδ T cells express unique T cell receptor (TCR) γ and TCR δ chains, with structural and functional heterogeneity. (explorationpub.com)
  • Various mechanical, hormonal, and biochemical factors affect the expression and function of GJC. (biomedcentral.com)
  • Interferons function as biologic response modifiers, enhancing phagocytosis and free radical production in macrophages, as well as increasing the activity of natural killer cells. (medscape.com)
  • On the other hand, phagosomes are formed when the pathogen is engulfed by macrophages and fuse with lysosomes to release enzymes and toxic substances, resulting in killing or having cytotoxic effects on bacteria and tumor cells. (frontiersin.org)
  • The existence of specific receptors for plant-derived molecules in mammalian cells initiated a search for specific endogenous ligands. (degruyter.com)
  • Although CD4 T cells are the main targets of HIV infection, macrophages also become infected and resist the cytopathic effects of infection, contributing potentially to HIV reservoir persistence. (nih.gov)
  • IκBζ, an atypical member of the nuclear IκB family of proteins, is expressed at low levels in most resting cells, but is induced upon stimulation of Toll-like/IL-1 receptors through an IRAK1/IRAK4/NFκB-dependent pathway. (oncotarget.com)
  • These cells may be a key factor ultimately mediating the deviation of the antagonistic response between tumor inhibition and tumor promotion. (explorationpub.com)
  • So on day one, Session 1 will focus on macrophages and the immune system during HIV and SARS-CoV-2 infection, Session 2 will focus on challenges to study HIV/SIV reservoirs, and Session 3 will really have the highlights from recent awardees of the NIMH/NINDS/NIDA Myeloid Reservoir RFA. (nih.gov)
  • The eCB system is comprised of eCBs, anandamide, and 2-arachidonoyl glycerol, their cannabinoid-1 and cannabinoid-2 receptors (CB 1 and CB 2 , respectively), and the enzymes involved in their biosynthesis and degradation. (degruyter.com)
  • As it is presented in this schematic presentation, HC composing connexon placing on the body of osteocytes and osteoblasts respond to different signals which then control the transmission of different factors among are PGE2, ATP, and PNS. (biomedcentral.com)
  • These effects can be chronically ameliorated by CB 1 receptor blockers. (degruyter.com)
  • We also discuss normal synthesis of tachykinins and their receptors, yet focus on their regulation by microRNA, messenger RNA stabilizing proteins, and transcription factors like Restrictive Element-1 Silencing Factor (REST). (brainimmune.com)
  • Interest in targeting polyamine metabolism as a potential strategy for cancer chemotherapy was stimulated in the early 1970s. (justia.com)
  • Description: The AFS98 monoclonal antibody reacts with the mouse CD115 molecule, a receptor for macrophage colony stimulating factor (M-CSF) or colony stimulating factor-1 (CSF-1). (thermofisher.com)
  • It is clear, however, that age alone is by far the most significant risk factor for death due to COVID-19 [ 4 , 5 ]. (aging-us.com)