PKC-ε pseudosubstrate and catalytic activity are necessary for membrane delivery during IgG-mediated phagocytosis.

abstract：:In resident mouse peritoneal macrophages, group IVA cytosolic phospholipase A(2) (cPLA(2)alpha) mediates arachidonic acid (AA) release and eicosanoid production in response to diverse agonists such as A23187, phorbol myristate acetate, zymosan, and the enterotoxin, okadaic acid (OA). cPLA(2)alpha is regulated by phosp...

journal_title：Journal of leukocyte biology

authors： Tucker DE,Gijón MA,Spencer DM,Qiu ZH,Gelb MH,Leslie CC

更新日期：2008-09-01 00:00:00

abstract：:Macrophages play an important role in effector mechanisms of various chronic inflammatory diseases. We studied the effect of gluten, the agent inducing celiac disease, and other food antigens on the activation of macrophages. Nitric oxide (NO) and cytokine production were followed as markers of activation, using cultu...

journal_title：Journal of leukocyte biology

authors： Tucková L,Flegelová Z,Tlaskalová-Hogenová H,Zídek Z

更新日期：2000-03-01 00:00:00

abstract：:Macrophage activation is associated with increased secretion of monokines, proteases, arachidonic acid metabolites, reactive oxygen, and nitrogen intermediates and yet decreased secretion of apolipoprotein E (apo E). Although the kinetics of apo E down-regulation have been investigated, the mechanism(s) involved remai...

journal_title：Journal of leukocyte biology

authors： Zuckerman SH,O'Neal L

更新日期：1994-06-01 00:00:00

abstract：:Increasing the dietary alpha-linolenate (18:3n - 3)/linoleate (18:2n - 6) ratio results in an increase in lipopolysaccharide (LPS)-stimulated tumor necrosis factor (TNF) production in mouse resident and casein-induced peritoneal macrophages [3]. We found that prostaglandin E2 (PGE2) production is inversely related to ...

journal_title：Journal of leukocyte biology

authors： Watanabe S,Onozaki K,Yamamoto S,Okuyama H

更新日期：1993-02-01 00:00:00

abstract：:Recently identified, angiopoietin-1 (Ang1) and -2 (Ang2) bind to the tyrosine kinase receptor Tie2 and contribute to orchestrate blood vessel formation during angiogenesis. Ang1 mediates vessel maturation and integrity by favoring the recruitment of pericytes and smooth muscle cells. Ang2, initially identified as a Ti...

journal_title：Journal of leukocyte biology

authors： Maliba R,Brkovic A,Neagoe PE,Villeneuve LR,Sirois MG

更新日期：2008-02-01 00:00:00

abstract：:The expression of the inducible isoform of nitric oxide synthase (NOS2, iNOS) is increased in patients undergoing sepsis as well as in animal models in which septic shock is induced by injection of bacterial lipopolysaccharide (LPS). Transforming growth factor-beta1 (TGF-beta1) potently suppresses NO production both i...

journal_title：Journal of leukocyte biology

authors： Vodovotz Y,Kopp JB,Takeguchi H,Shrivastav S,Coffin D,Lucia MS,Mitchell JB,Webber R,Letterio J,Wink D,Roberts AB

更新日期：1998-01-01 00:00:00

abstract：:TLR agonists such as LPS and poly(I:C) induce expression of type I IFNs, such as IFN-α and -β, by macrophages. To examine the role of IFN-β in the induction of ISGs by LPS, we compared the ability of LPS to induce ISGF3 activity and ISG expression in bone marrow-derived macrophages from WT and Ifnb1(-/-) mice. We foun...

journal_title：Journal of leukocyte biology

authors： Sheikh F,Dickensheets H,Gamero AM,Vogel SN,Donnelly RP

更新日期：2014-10-01 00:00:00

abstract：:This is largely a history of attempts from approximately 1960 until about 1980-81 to understand the mechanisms by which neutrophils are activated by chemotactic factors to induce chemotaxis and granule secretion. As such, it deals with the growth of our knowledge of neutrophil chemotactic factors and their receptors; ...

journal_title：Journal of leukocyte biology

authors： Becker EL

更新日期：1990-04-01 00:00:00

abstract：:Several members of the cytokine network play an important role in controlling the replication of the human immunodeficiency virus (HIV) in several experimental systems. Their effects can be categorized in the following three functional groups: (1) HIV-inductive cytokines; (2) HIV-suppressive cytokines; (3) cytokines w...

journal_title：Journal of leukocyte biology

authors： Vicenzi E,Biswas P,Mengozzi M,Poli G

更新日期：1997-07-01 00:00:00

abstract：:Colorectal cancer is the second most common cause of cancer-related death. Novel prognostic factors should be identified and validated to refine the present tumor-node-metastasis system. The presence of immune cells infiltrating colorectal cancers is a common phenomenon. However, the current belief is that clinically ...

journal_title：Journal of leukocyte biology

authors： Pagès F,Galon J,Fridman WH

更新日期：2008-10-01 00:00:00

abstract：:IL-1β is an important mediator of innate inflammatory responses and has been shown to contribute to liver injury in a number of etiologies. HIV patients have increased necroinflammation and more rapid fibrosis progression in chronic liver injury compared to non-HIV-infected patients. As the resident liver macrophage i...

journal_title：Journal of leukocyte biology

authors： Zhang L,Mosoian A,Schwartz ME,Florman SS,Gunasekaran G,Schiano T,Fiel MI,Jiang W,Shen Q,Branch AD,Bansal MB

更新日期：2019-04-01 00:00:00

abstract：:Naïve T cells, when activated by specific antigen and cytokines, up-regulate adhesion molecules as well as chemokine receptors on their surface, which allows them to migrate to inflamed tissues. Human studies have shown that CXCR3 is one of the chemokine receptors that is induced during T cell activation. Moreover, CX...

journal_title：Journal of leukocyte biology

authors： Xie JH,Nomura N,Lu M,Chen SL,Koch GE,Weng Y,Rosa R,Di Salvo J,Mudgett J,Peterson LB,Wicker LS,DeMartino JA

更新日期：2003-06-01 00:00:00

abstract：:The human endometrium is exposed to cyclical fluctuations of ovarian-derived sex steroids resulting in proliferation, differentiation (decidualization), and menstruation. An influx of leukocytes (up to 15% macrophages) occurs during the latter stages of the menstrual cycle, including menses. We believe the endometrial...

journal_title：Journal of leukocyte biology

authors： Thiruchelvam U,Dransfield I,Saunders PT,Critchley HO

更新日期：2013-02-01 00:00:00

abstract：:MRL/fas(lpr) mice, which undergo a systemic autoimmune disease with similarities to systemic lupus erythematosus (SLE), display reduced pathology and prolonged survival if rendered deficient in ICAM-1. However, it remains unclear whether this is a result of the ability of ICAM-1 to promote the immune response or media...

journal_title：Journal of leukocyte biology

authors： Norman MU,James WG,Hickey MJ

更新日期：2008-07-01 00:00:00

abstract：:Several lines of evidence support the concept that NK cells play an important role in control of hepatitis C virus (HCV) infection via cytokine secretion and cytotoxicity. IL-7 is a homeostatic cytokine with a role in T cell development, activation, proliferation, and cytokine secretion. The IL-7Rα chain [cluster of d...

journal_title：Journal of leukocyte biology

authors： Judge CJ,Kostadinova L,Sherman KE,Butt AA,Falck-Ytter Y,Funderburg NT,Landay AL,Lederman MM,Sieg SF,Sandberg JK,Anthony DD

更新日期：2017-07-01 00:00:00

abstract：:Inbred strains of mice, notably the susceptible C57BL/6 and the resistant A/J strains of mice, were infected with a strain of Mycobacterium evium. The infection in the visceral organs of mice was then studied, and the effect of colony-stimulating factors, i.e., interleukin-3 (IL-3), granulocyte-macrophage colony-stimu...

journal_title：Journal of leukocyte biology

authors： Denis M

更新日期：1991-09-01 00:00:00

abstract：:The effects of B cell subsets with regulatory activity on the immune response to an allograft have evoked increasing interest. Here, we summarize the function and signaling of regulatory B cells (Bregs) and their potential effects on transplantation. These cells are able to suppress the immune system directly via liga...

journal_title：Journal of leukocyte biology

authors： Li J,Luo Y,Wang X,Feng G

更新日期：2019-04-01 00:00:00

abstract：:Although tumor growth enhances macrophage (m phi) cytotoxic activity by increasing their tumor necrosis factor-alpha (TNF-alpha) production, increased prostaglandin E2 (PGE2) synthesis reduces most immune responses during tumor growth. Macrophages that do not express major histocompatibility complex class II molecules...

journal_title：Journal of leukocyte biology

authors： Alleva DG,Burger CJ,Elgert KD

更新日期：1993-05-01 00:00:00

abstract：:Effector T cell development is directly driven by APCs, in particular, by antigen-primed dendritic cells (DCs). Depending on the pathogenic stimulus and the microenvironment, DCs induce proliferation and polarization of naive CD4+ T cells into different effector subsets, such as Th1, Th2, Th17, or regulatory T cells (...

journal_title：Journal of leukocyte biology

authors： Breedveld A,Groot Kormelink T,van Egmond M,de Jong EC

更新日期：2017-10-01 00:00:00

abstract：:The phenotype of wound macrophages has not been studied by direct examination of these cells, yet macrophages recruited to sites of injury are described as alternatively activated macrophages, requiring IL-4 or IL-13 for phenotypic expression. This study characterized wound macrophage phenotype in the PVA sponge wound...

journal_title：Journal of leukocyte biology

authors： Daley JM,Brancato SK,Thomay AA,Reichner JS,Albina JE

更新日期：2010-01-01 00:00:00

abstract：:When mouse peritoneal cells in early phase-inflammatory exudates were cultured in vitro, the number of polymorphonuclear leukocytes (PMNs) rapidly decreased, whereas the number of macrophages gradually increased during culture. Macrophage growth was also induced by addition of effete PMNs or their debris to macrophage...

journal_title：Journal of leukocyte biology

authors： Yui S,Yamazaki M

更新日期：1986-05-01 00:00:00

abstract：:Bovine plasma contains factors that can stimulate bovine neutrophils. Bovine plasma at 1:1,000,000-1:1,000 dilution induced a dose-dependent superoxide production in bovine neutrophils. When bovine plasma was fractionated with a protein G column, only the IgG fraction contained induction activity. At similar concentra...

journal_title：Journal of leukocyte biology

authors： Tao W,Corbett MJ,Pickett W

更新日期：1995-08-01 00:00:00

abstract：:Macrophage activation by IFN-gamma results in a cascade of gene expression. To identify genes activated in mouse peritoneal macrophages by IFN-gamma, we created a cDNA subtraction library of IFN-gamma-induced genes. We have isolated from this subtraction library a novel cDNA clone, called Mg21, whose mRNA is absent in...

journal_title：Journal of leukocyte biology

authors： Lafuse WP,Brown D,Castle L,Zwilling BS

更新日期：1995-03-01 00:00:00

abstract：:The toxicity of guanosine and deoxyguanosine in the presence or absence of the purine nucleoside phosphorylase inhibitor, 8-aminoguanosine, for malignant lymphoid cell lines and mitogen-stimulated peripheral blood lymphocytes has been studied. Deoxyguanosine inhibited the proliferation of lymphoid cells more strongly ...

journal_title：Journal of leukocyte biology

authors： van der Kraan PM,van Zandvoort PM,De Abreu RA,Bakkeren JA

更新日期：1988-07-01 00:00:00

abstract：:Chemerin is a potent chemotactic factor that was identified recently as the ligand of ChemR23, a G protein-coupled receptor expressed by mononuclear phagocytes, dendritic cells (DCs), and NK cells. Chemerin is synthesized as a secreted precursor, prochemerin, which is poorly active on ChemR23. However, prochemerin can...

journal_title：Journal of leukocyte biology

authors： Guillabert A,Wittamer V,Bondue B,Godot V,Imbault V,Parmentier M,Communi D

更新日期：2008-12-01 00:00:00

abstract：:This short review focuses on the role of central nervous system (CNS) perivascular macrophages as targets of productive infection of the CNS. Data discussed include the importance of these cells as early targets of infection and their productive infection with AIDS. Many of the immune molecules on perivascular macroph...

journal_title：Journal of leukocyte biology

authors： Kim WK,Corey S,Alvarez X,Williams K

更新日期：2003-11-01 00:00:00

abstract：:Freeze-fracture analysis has shown that treatment of cells with phorbol myristate acetate (PMA) results in a loss of intramembranous particles (IMP) associated with the external leaflet of their plasma membranes. It has also been demonstrated that phorbol esters markedly enhance the sensitivity of tumor targets to nat...

journal_title：Journal of leukocyte biology

authors： Nabi ZF,Zucker-Franklin D,Baten A

更新日期：1989-03-01 00:00:00

abstract：:On the surface of the macrophage, annexin A2 tetramer (A2t) serves as a docking protein or recognition element for bacterial and viral pathogens. Plasma levels of free A2t have been reported to increase following infection, although the mechanistic significance of this observation is unclear. Although annexin A2 had g...

journal_title：Journal of leukocyte biology

authors： Swisher JF,Khatri U,Feldman GM

更新日期：2007-11-01 00:00:00

abstract：:Healthy donors infused with high doses of glucocorticoids [GCs; methyl-prednisolone (MP); 500 mg/day for 3 days] suffer a selective depletion of the CD14(+)CD16(+) monocytes such that these cells are reduced by 95% on day 5. In vitro studies revealed that at 11 h of culture in the presence of 10(-)(5) M MP, no depleti...

journal_title：Journal of leukocyte biology

authors： Dayyani F,Belge KU,Frankenberger M,Mack M,Berki T,Ziegler-Heitbrock L

更新日期：2003-07-01 00:00:00

abstract：:The persistent infection caused by hepatitis C virus (HCV) is presumably explained by a deficient immune response to the infection, but the basis for the inefficiency of immune-mediated virus eradication is not known in detail. This study addresses mechanisms of relevance to dysfunction of cytotoxic lymphocytes in HCV...

journal_title：Journal of leukocyte biology

authors： Thorén F,Romero A,Lindh M,Dahlgren C,Hellstrand K

更新日期：2004-12-01 00:00:00