A hepatitis C virus-encoded, nonstructural protein (NS3) triggers dysfunction and apoptosis in lymphocytes: role of NADPH oxidase-derived oxygen radicals.

abstract：:Neutrophil-specific alloantibodies and the antigens they recognize are important in clinical medicine but little is known about the structure of these antigens. Alloimmunization to the antigen NB1 is a clinically important cause of neonatal neutropenia and leukocyte-mediated transfusion reactions. A novel mechanism of...

journal_title：Journal of leukocyte biology

authors： Skubitz KM,Stroncek DF,Sun B

更新日期：1991-02-01 00:00:00

abstract：:Mechanisms controlling the balance between proliferation and self-renewal versus growth suppression and differentiation during normal and leukemic myelopoiesis are not understood. We have used the bi-potent FDB1 myeloid cell line model, which is responsive to myelopoietic cytokines and activated mutants of the granulo...

journal_title：Journal of leukocyte biology

authors： Brown AL,Wilkinson CR,Waterman SR,Kok CH,Salerno DG,Diakiw SM,Reynolds B,Scott HS,Tsykin A,Glonek GF,Goodall GJ,Solomon PJ,Gonda TJ,D'Andrea RJ

更新日期：2006-08-01 00:00:00

abstract：:The ganglioside composition of endotoxin-responsive C3H/HeN murine peritoneal macrophages is known to undergo dramatic changes in vivo in response to intraperitoneal lipopolysaccharides (LPS), unlike endotoxin-hyporesponsive C3H/HeJ macrophages. To better investigate the mechanism behind LPS-induced macrophage ganglio...

journal_title：Journal of leukocyte biology

authors： Berenson CS,Yohe HC,Ryan JL

更新日期：1989-03-01 00:00:00

abstract：:The absence or reduction of CFTR function causes CF and results in a pulmonary milieu characterized by bacterial colonization and unresolved inflammation. The ineffectiveness at controlling infection by species such as Pseudomonas aeruginosa suggests defects in innate immunity. Macrophages, neutrophils, and DCs have a...

journal_title：Journal of leukocyte biology

authors： Bonfield TL,Hodges CA,Cotton CU,Drumm ML

更新日期：2012-11-01 00:00:00

abstract：:A combination of diclofenac and glucan administered repeatedly in a protective regimen in the course of repeated gamma irradiation of mice (6 x 2 Gy during 3 weeks) enhanced granulopoiesis and other indices of hematopoietic recovery investigated from 3 to 7 days after the last radiation exposure. Repeated administrati...

journal_title：Journal of leukocyte biology

authors： Hofer M,Pospísil M,Viklická S,Vacek A,Pipalová I,Bartonícková A

更新日期：1993-02-01 00:00:00

abstract：:The oncogene EVI1 has been implicated in the etiology of AML and MDS. Although AML cells are characterized by accelerated proliferation and differentiation arrest, MDS cells hyperproliferate when immature but fail to differentiate later and die instead. In agreement with its roles in AML and in immature MDS cells, EVI...

journal_title：Journal of leukocyte biology

authors： Konrad TA,Karger A,Hackl H,Schwarzinger I,Herbacek I,Wieser R

更新日期：2009-10-01 00:00:00

abstract：:Recombinant tissue plasminogen activator (t-PA), the only approved stroke treatment, is used for clot lysis within the occluded brain artery. Unfortunately, matrix metalloproteinase-9 (MMP-9) concentration increases after t-PA treatment and has been related to hemorrhagic transformation after ischemic stroke. Although...

journal_title：Journal of leukocyte biology

authors： Cuadrado E,Ortega L,Hernández-Guillamon M,Penalba A,Fernández-Cadenas I,Rosell A,Montaner J

更新日期：2008-07-01 00:00:00

abstract：:An in vitro system allowing the culture of ovine bone marrow-derived macrophages (BMMs) is described. Bone marrow (BM) cells from the sternum of 4- to 9-month-old sheep were cultured in liquid suspension in hydrophobic bags with medium containing 20% autologous serum and 20% fetal calf serum (FCS). Cells with macropha...

journal_title：Journal of leukocyte biology

authors： Francey T,Jungi TW,Rey O,Peterhans E

更新日期：1992-06-01 00:00:00

abstract：:Enhancer of zeste homolog 2 (EZH2) is aberrantly expressed or mutated in multiple types of cancer cells and plays an oncogenic role in tumorigenesis and development in most cancers. Results from pilot clinical studies have implied that EZH2 inhibitors have therapeutic potential against some cancers. However, the exact...

journal_title：Journal of leukocyte biology

authors： Shao FF,Chen BJ,Wu GQ

更新日期：2020-10-11 00:00:00

abstract：:Polymorphonuclear granulocytes (PMNs) are known to contribute to reperfusion injury of the heart. However, whether PMNs compromise myocardial function of hearts exposed to a low-flow ischemia has not been determined. Moreover, not much is known about deleterious effects of PMNs at different times during ischemia and r...

journal_title：Journal of leukocyte biology

authors： Seligmann C,Bock A,Leitsch T,Schimmer M,Simsek Y,Schultheiss HP

更新日期：2001-05-01 00:00:00

abstract：:Viral recognition programs DCs to express Signal 3 molecules that promote the differentiation of effector CD8(+) T cells. Besides IL-12, another DC-derived IL-12 family member, IL-27, has been reported to contribute herein, but its specific role is not well understood. Here, we show that whereas IL-12 potently induces...

journal_title：Journal of leukocyte biology

authors： de Groot R,van Beelen AJ,Bakdash G,Taanman-Kueter EW,de Jong EC,Kapsenberg ML

更新日期：2012-09-01 00:00:00

abstract：:Hematopoietic cell differentiation takes place in phenotypically recognizable stages characterized by morphology as well as by the expression of enzymes and surface markers. It is recognized that differentiation results from an interaction of environmental cues, such as cytokines and hormones, with internal cellular p...

journal_title：Journal of leukocyte biology

authors： Chen F,Rao J,Studzinski GP

更新日期：2000-04-01 00:00:00

abstract：:Inbred mouse strains have been known for many years to vary in their degree of susceptibility to different types of infectious diseases. The genetic basis of these interstrain differences is sometimes simple but often complex. In a few cases, positional cloning has been used successfully to identify single gene effect...

journal_title：Journal of leukocyte biology

authors： Fortier A,Min-Oo G,Forbes J,Lam-Yuk-Tseung S,Gros P

更新日期：2005-06-01 00:00:00

abstract：:Studies on the mechanism of interferon-induced gene expression revealed a direct signaling pathway from cell surface receptors to transcription factors. In this pathway, signal transduction is mediated by a new class of transcription factor STAT (signal transducer and activator of transcription). We have shown that ST...

journal_title：Journal of leukocyte biology

authors： Fu XY

更新日期：1995-04-01 00:00:00

abstract：:CD11c, a member of the leukointegrin family, is expressed prominently on tissue macrophages and dendritic cells and binds to complement fragment (iC3b), provisional matrix molecules (fibrinogen), and the Ig superfamily cell adhesion molecule, ICAM-1. CD11c has been proposed to function in phagocytosis, cell migration,...

journal_title：Journal of leukocyte biology

authors： Sadhu C,Ting HJ,Lipsky B,Hensley K,Garcia-Martinez LF,Simon SI,Staunton DE

更新日期：2007-06-01 00:00:00

abstract：:Human activated T cells adhere to synovial fibroblast-like cells in vitro. The present study was conducted to investigate the consequences of T cell-synovial fibroblast interactions with regard to induction of adhesion molecules and proinflammatory cytokines. A sensitive Western blot technique, polymerase chain reacti...

journal_title：Journal of leukocyte biology

authors： Bombara MP,Webb DL,Conrad P,Marlor CW,Sarr T,Ranges GE,Aune TM,Greve JM,Blue ML

更新日期：1993-11-01 00:00:00

abstract：:In this study, we have investigated the expression of phospholipase C-beta2 during the course of granulocytic differentiation of normal and malignant progenitors. As a model system, we used the NB4 cell line, a reliable in vitro model for the study of acute promyelocytic leukemia (APL), a variety of acute myeloid leuk...

journal_title：Journal of leukocyte biology

authors： Bertagnolo V,Marchisio M,Pierpaoli S,Colamussi ML,Brugnoli F,Visani G,Zauli G,Capitani S

更新日期：2002-06-01 00:00:00

abstract：:Breaking the long-held paradigm that primary B cells are not phagocytic, several studies have demonstrated recently that B cells from fish, amphibians, and reptilians have a significant phagocytic capacity. Whether such capacity has remained conserved in certain mammalian B cell subsets is presently an enigma. Here, w...

journal_title：Journal of leukocyte biology

authors： Parra D,Rieger AM,Li J,Zhang YA,Randall LM,Hunter CA,Barreda DR,Sunyer JO

更新日期：2012-04-01 00:00:00

abstract：:We have shown previously that ulcerogenic (type I) strains of Helicobacter pylori (Hp) retard their entry into macrophages. However, the signaling pathways that regulate Hp phagocytosis are largely undefined. We show here that Hp strongly activated class IA phosphoinositide3-kinases (PI3Ks) in macrophages, coincident ...

journal_title：Journal of leukocyte biology

authors： Allen LA,Allgood JA,Han X,Wittine LM

更新日期：2005-07-01 00:00:00

abstract：:Neutrophils phagocytize high-valency immune complexes (HIC) by an Fc gamma receptor-mediated mechanism, activating an oxidative burst and initiating degranulation. In contrast, neutrophils exhibit chemotaxis to N-formylated peptides [e.g., N-formyl-methionyl-leucyl-phenylalanine (fMLP)] and secrete far fewer oxidants ...

journal_title：Journal of leukocyte biology

authors： Gewirtz AT,Simons ER

更新日期：1997-04-01 00:00:00

abstract：:SHP-1 is a cytoplasm protein tyrosine phosphatase expressed primarily in hematopoietic cells. In the immune system, SHP-1 plays critical roles in regulation of many receptor-mediated signaling cascades, and SHP-1 deficiency in mice causes spontaneous inflammation and autoimmunity. Here, we report a unique requirement ...

journal_title：Journal of leukocyte biology

authors： Zhou D,Collins CA,Wu P,Brown EJ

更新日期：2010-05-01 00:00:00

abstract：:IL-31, a newly identified member of the IL-6 cytokine family, is involved in many pathological conditions, including atopic dermatitis and pruritis. In this study, we investigated how expression of IL-31 is regulated in T cells and mast cells. We observed that expression of IL-31 required a calcium signal and was depe...

journal_title：Journal of leukocyte biology

authors： Park K,Park JH,Yang WJ,Lee JJ,Song MJ,Kim HP

更新日期：2012-02-01 00:00:00

abstract：:Osteoarticular complications are common in human brucellosis, but the pathogenic mechanisms involved are largely unknown. In this manuscript, we described an immune mechanism for inflammatory bone loss in response to infection by Brucella abortus. We established a requirement for MyD88 and TLR2 in TNF-α-elicited osteo...

journal_title：Journal of leukocyte biology

authors： Delpino MV,Barrionuevo P,Macedo GC,Oliveira SC,Genaro SD,Scian R,Miraglia MC,Fossati CA,Baldi PC,Giambartolomei GH

更新日期：2012-02-01 00:00:00

abstract：:The Fc gamma receptor IIB (FcγRIIB/CD32B) was generated million years ago during evolution. It is the sole inhibitory receptor for IgG, and has long been associated with the regulation of humoral immunity and innate immune homeostasis. However, new and surprising functions of FcγRIIB are emerging. In particular, FcγRI...

journal_title：Journal of leukocyte biology

authors： Roghanian A,Stopforth RJ,Dahal LN,Cragg MS

更新日期：2018-02-06 00:00:00

abstract：:The seven transmembrane G protein-coupled receptor EBV-induced gene 2 (EBI2), also known as GPR183, is expressed in particular in immune cells. Activated by its endogenous ligands, which are a group of oxysterols, it functions as a chemo-attractant receptor, mediating cell migration. In coordination with other recepto...

journal_title：Journal of leukocyte biology

authors： Barington L,Wanke F,Niss Arfelt K,Holst PJ,Kurschus FC,Rosenkilde MM

更新日期：2018-08-01 00:00:00

abstract：:IL-27, an IL-12 family member, was initially described as a proinflammatory cytokine. Nevertheless, it also poses anti-inflammatory activity, being involved in suppressing development of TH-17 cells as well as in the induction of inhibitory Tr1 cells. Recent data obtained in mice suggest that it can down-modulate the ...

journal_title：Journal of leukocyte biology

authors： Karakhanova S,Bedke T,Enk AH,Mahnke K

更新日期：2011-06-01 00:00:00

abstract：:Recognition of Gram-positive bacteria by Toll-like receptor 2 (TLR2) induces activation of proinflammatory pathways. In mice, sensitization with the Gram-positive Propionibacterium acnes followed by a challenge with the TLR4 ligand, lipopolysaccharide (LPS), results in fulminant hepatic failure. Here, we investigated ...

journal_title：Journal of leukocyte biology

authors： Romics L Jr,Dolganiuc A,Velayudham A,Kodys K,Mandrekar P,Golenbock D,Kurt-Jones E,Szabo G

更新日期：2005-12-01 00:00:00

abstract：:In mammals, macrophages are multifunctional cells. Apart from their scavenger role in the clearance of non-self materials such as microorganisms and altered-self materials such as apoptotic cells, senescent erythrocytes, immune complexes, and inflammatory products, they play a crucial role in the regulation of both in...

journal_title：Journal of leukocyte biology

authors： van Rooijen N,Sanders A

更新日期：1997-12-01 00:00:00

abstract：:The ability of neutrophils to sense and migrate toward damaged tissue is a vital component of the innate immune response. Paradoxically, this same migration serves as the hallmark of a number of inflammatory conditions, including ischemic reperfusion injury, atherosclerosis, arthritis, and Crohn's disease. More recent...

journal_title：Journal of leukocyte biology

authors： Maher BM,Dhonnchu TN,Burke JP,Soo A,Wood AE,Watson RW

更新日期：2009-01-01 00:00:00

abstract：:An immunoglobulin M (IgM) monoclonal antibody, My43, specific for IgA Fc receptor (Fc alpha R) on human monocytes, bound to human polymorphonuclear neutrophils (PMNs) and inhibited their ability to bind IgA but not IgG. It was observed that the PMN oxidative burst was induced by both polymeric IgA and aggregated IgG, ...

journal_title：Journal of leukocyte biology

authors： Shen L

更新日期：1992-04-01 00:00:00