Glucan: mechanisms involved in its "radioprotective" effect.

abstract：:The role of monocyte chemoattractant protein-1 (MCP-1) in the recruitment of blood-derived monocytes in a model of zymosan peritoneal inflammation was investigated. After zymosan injection (1 mg) a rapid influx of polymorphonuclear leukocytes (PMN) and monocytes into the peritoneal cavity associated with mouse MCP-1 (...

journal_title：Journal of leukocyte biology

authors： Ajuebor MN,Flower RJ,Hannon R,Christie M,Bowers K,Verity A,Perretti M

更新日期：1998-01-01 00:00:00

abstract：:Fluid-phase endocytosis is stimulated by H-ras-linked growth factor receptors and this stimulation requires activation of rab5. We utilized a GFP-rab5a:wt fusion protein to monitor GFP-rab5a:wt activation in living fibroblasts and in J774 macrophages. Control CHO cells that expressed GFP-rab5a:wt were cultured in seru...

journal_title：Journal of leukocyte biology

authors： Roberts RL,Barbieri MA,Ullrich J,Stahl PD

更新日期：2000-11-01 00:00:00

abstract：:CD137 ligand (CD137L) is expressed on APCs and crosslinks CD137, a powerful costimulatory molecule on T cells during cognate interactions, and thereby greatly enhances immune responses. We report that CD137 can be transferred from activated T cells and from tumor cells that express CD137 to other cells via trogocytosi...

journal_title：Journal of leukocyte biology

authors： Shao Z,Harfuddin Z,Pang WL,Nickles E,Koh LK,Schwarz H

更新日期：2015-05-01 00:00:00

abstract：:Membrane rafts are microdomains of the plasma membrane that have multiple biological functions. The involvement of these structures in the biology of T cells, namely in signal transduction by the TCR, has been widely studied. However, the role of membrane rafts in immunoreceptor signaling in NK cells is less well know...

journal_title：Journal of leukocyte biology

authors： Serrano-Pertierra E,Cernuda-Morollón E,Brdička T,Hoøejši V,López-Larrea C

更新日期：2014-09-01 00:00:00

abstract：:Vascular occlusion is the main cause of the morbidity and mortality observed in patients with sickle cell disease (SCD). Increasing evidence indicates that (activated) neutrophils could play an important role in the initiation and propagation of vaso-occlusive processes in SCD. In this study, the activation state of n...

journal_title：Journal of leukocyte biology

authors： Lard LR,Mul FP,de Haas M,Roos D,Duits AJ

更新日期：1999-09-01 00:00:00

abstract：:The preferential association of some chemokine receptors with human Th1 or Th2 cells has recently been reported. In this study, the expression of CCR3, CCR5, CXCR3, and CXCR4 were analyzed by flow cytometry in three distinct in vitro models of Th1/Th2 polarization, activated naive and memory T cells, and T-cell clones...

journal_title：Journal of leukocyte biology

authors： Annunziato F,Cosmi L,Galli G,Beltrame C,Romagnani P,Manetti R,Romagnani S,Maggi E

更新日期：1999-05-01 00:00:00

abstract：:Zinc is an essential element important for growth, the nervous system, and especially the immune system. Zinc deficiency as well as levels well above normal, due to high-dose treatment, showed an impaired immune function. This review summarizes the current status of zinc's significance for leukocyte biology and health...

journal_title：Journal of leukocyte biology

authors： Wellinghausen N,Rink L

更新日期：1998-11-01 00:00:00

abstract：:During inflammatory and immunological responses, leukocytes respond to external stimuli by altering the stability of cytokine and cytokine receptor messages. Change in message stability is an effective mechanism for rapidly regulating steady state levels of mRNA. Cytokine messages containing A-U-rich elements located ...

journal_title：Journal of leukocyte biology

authors： Xu L,Rahimpour R,Ran L,Kong C,Biragyn A,Andrews J,Devries M,Wang JM,Kelvin DJ

更新日期：1997-11-01 00:00:00

abstract：:Human immunodeficiency virus (HIV) infection is characterized by viral entry into the central nervous system (CNS), which is mediated, in part, by the transmigration of HIV-infected monocytes into the brain. The elaboration of chemokines and other factors by these infected cells contributes to CNS inflammation and cog...

journal_title：Journal of leukocyte biology

authors： Eugenin EA,Gamss R,Buckner C,Buono D,Klein RS,Schoenbaum EE,Calderon TM,Berman JW

更新日期：2006-03-01 00:00:00

abstract：:TNF is implicated in the suppression of neutrophil apoptosis during sepsis. Multiple signaling pathways are involved in TNF-mediated antiapoptotic signaling; a role for the MAP kinases (MAPK), ERK1/2, and p38 MAPK has been suggested. Antiapoptotic signaling is mediated principally through TNF receptor-1 (TNFR-1), and ...

journal_title：Journal of leukocyte biology

authors： Kilpatrick LE,Sun S,Mackie D,Baik F,Li H,Korchak HM

更新日期：2006-12-01 00:00:00

abstract：:Genomic, transcriptomic and proteomic databases indicate that the N-terminal 322 residues encoded by the presumptive LOC100996504 gene, which is adjacent to the ARHGEF18 guanine nucleotide exchange factor gene on chromosome 19, constitute the N-terminal portion of a 1361-residue isoform of ARHGEF18, dubbed LOCGEF-X3. ...

journal_title：Journal of leukocyte biology

authors： Turton KB,Wilkerson EM,Hebert AS,Fogerty FJ,Schira HM,Botros FE,Coon JJ,Mosher DF

更新日期：2018-07-01 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：:The effects on macrophage growth of seven phospholipids that are normally present in cell membranes were examined. Phosphatidylcholine and sphingomyelin which are the main phospholipid constituents of mammalian cell membranes, had no effect on growth of macrophages. Phosphatidylinositol also had little effect. On the ...

journal_title：Journal of leukocyte biology

authors： Yui S,Yamazaki M

更新日期：1986-06-01 00:00:00

abstract：:cDNA cloning revealed the presence of two related but distinct types of human interleukin-8 (IL-8) receptors, type I (type A) and type II (type B). By immunizing rabbits with glutathione-S-transferase fused with the NH2-terminal domain of each type of IL-8 receptor, we prepared polyclonal antibodies that specifically ...

journal_title：Journal of leukocyte biology

authors： Morohashi H,Miyawaki T,Nomura H,Kuno K,Murakami S,Matsushima K,Mukaida N

更新日期：1995-01-01 00:00:00

abstract：:Intravenous administration of lipopolysaccharide (LPS) to rats increased the production of nitric oxide (NO) metabolites (NOx) by blood polymorphonuclear neutrophils (PMN) in vitro. Both dexamethasone and L-NMMA, added in vitro to neutrophil cultures, inhibited the production of NO. On the other hand, the production o...

journal_title：Journal of leukocyte biology

authors： Fierro IM,Nascimento-DaSilva V,Arruda MA,Freitas MS,Plotkowski MC,Cunha FQ,Barja-Fidalgo C

更新日期：1999-04-01 00:00:00

abstract：:Endotoxin (lipopolysaccharide, LPS) is known to induce inflammatory responses, such as monocyte/macrophage adherence, migration, and accumulation. Recruitment and accumulation of macrophages during infection and inflammation are regulated by integrin-mediated cell-extracellular matrix interactions. In the present repo...

journal_title：Journal of leukocyte biology

authors： Kang YH,Lee CH,Brummel SE,Newball HH,Forrester J

更新日期：1995-04-01 00:00:00

abstract：:In this study, we test the hypothesis that cAMP, acting as an extracellular mediator, affects the physiology and function of human myeloid cells. The cAMP is a second messenger recognized as a universal regulator of several cellular functions in different organisms. Many studies have shown that extracellular cAMP exer...

journal_title：Journal of leukocyte biology

authors： Sciaraffia E,Riccomi A,Lindstedt R,Gesa V,Cirelli E,Patrizio M,De Magistris MT,Vendetti S

更新日期：2014-07-01 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：:Treatment of mice with a monoclonal antibody (mAb) designated NIMP-R10, directed against the CD11b polypeptide of the CD18/CD11b heterodimeric type 3 complement receptor (CR3), exacerbates listeriosis by preventing myelomonocytic cells from focusing at sites of infected hepatocytes in the liver. Under these conditions...

journal_title：Journal of leukocyte biology

authors： Conlan JW,North RJ

更新日期：1992-07-01 00:00:00

abstract：:Granulocyte-macrophage colony-stimulating factor (GM-CSF) is a naturally occurring growth factor produced by several cell types in response to a variety of stimuli. GM-CSF has potent stimulatory effects on the growth and maturation of hematopoietic cells and has profound effects on mature circulating effector cells. C...

journal_title：Journal of leukocyte biology

authors： Hill AD,Naama HA,Calvano SE,Daly JM

更新日期：1995-12-01 00:00:00

abstract：:Brucella abortus is a Gram-negative intracellular bacterial pathogen that causes a zoonosis of worldwide occurrence, leading to undulant fever in humans and abortion in domestic animals. B. abortus is recognized by several pattern-recognition receptors triggering pathways during the host innate immune response. Theref...

journal_title：Journal of leukocyte biology

authors： Gomes MT,Campos PC,Pereira Gde S,Bartholomeu DC,Splitter G,Oliveira SC

更新日期：2016-05-01 00:00:00

abstract：:Blood leukocyte count alterations induced by PAF-acether in anesthetized and nonanesthetized rats were investigated. Intravenous injection of increasing amounts of PAF-acether (1.5-8 micrograms/kg) in nonanesthetized animals induced dose-dependent hemoconcentration and leukocytosis. The former was apparent within 10 m...

journal_title：Journal of leukocyte biology

authors： Bozza PT,Silva PM,Castro-Faria-Neto HC,Martins MA,Cordeiro RS

更新日期：1992-02-01 00:00:00

abstract：:Regulation of macrophage PCD plays an important role in pathogenesis of leishmaniasis. However, the precise involvement of any parasite molecule in this process remains uncertain. In the current study, in silico wide analysis demonstrated that genes in the Leishmania donovani genome are highly enriched for CpG motifs,...

journal_title：Journal of leukocyte biology

authors： Das S,Ghosh AK,Singh S,Saha B,Ganguly A,Das P

更新日期：2015-02-01 00:00:00

abstract：:During highly active antiretroviral therapy (HAART), HIV-1 can still persist in circulating, resting CD4+ T lymphocytes, lymph node mononuclear cells, and seminal cells of patients despite sustained suppression of plasma viremia to undetectable levels. Sanctuary sites where antiretroviral drug penetration is not optim...

journal_title：Journal of leukocyte biology

authors： Crowe SM,Sonza S

更新日期：2000-09-01 00:00:00

abstract：:A role for the dietary trace mineral element selenium in the reduction of cancer incidence has been documented in numerous epidemiological and experimental studies. The precise mechanism of this antitumor effect is not well understood, but published data suggest that both inhibition of tumor cell growth and enhancemen...

journal_title：Journal of leukocyte biology

authors： Petrie HT,Klassen LW,Kay HD

更新日期：1989-03-01 00:00:00

abstract：:The biology of cells of the mononuclear phagocyte system has been studied extensively in the mouse. Studies of the pig as an experimental model have commonly been consigned to specialist animal science journals. In this review, we consider some of the many ways in which the innate immune systems of humans differ from ...

journal_title：Journal of leukocyte biology

authors： Fairbairn L,Kapetanovic R,Sester DP,Hume DA

更新日期：2011-06-01 00:00:00

abstract：:Colostrum plays an important role in protecting newborn infants against acute gastrointestinal and respiratory infections. IgA antibodies have been considered the major effector component; however, the role of their receptors on colostral phagocytes, especially neutrophils, has not been studied. Here, we demonstrate t...

journal_title：Journal of leukocyte biology

authors： Honorio-França AC,Launay P,Carneiro-Sampaio MM,Monteiro RC

更新日期：2001-02-01 00:00:00

abstract：:Neutrophil activation is a multistep process. In vitro activation of neutrophils with semiphysiological activators is optimal only after preactivation or priming with cytokines, chemotaxins, and/or bacterial products. Until now, no antibodies have been developed that can distinguish between resting and (cytokine) prim...

journal_title：Journal of leukocyte biology

authors： Koenderman L,Kanters D,Maesen B,Raaijmakers J,Lammers JW,de Kruif J,Logtenberg T

更新日期：2000-07-01 00:00:00

abstract：:Endocytic proteolysis represents a major functional component of the major histocompatibility complex class II antigen-presentation machinery. Although transport and assembly of class II molecules in the endocytic compartment are well characterized, we lack information about the pattern of endocytic protease activity ...

journal_title：Journal of leukocyte biology

authors： Lautwein A,Kraus M,Reich M,Burster T,Brandenburg J,Overkleeft HS,Schwarz G,Kammer W,Weber E,Kalbacher H,Nordheim A,Driessen C

更新日期：2004-05-01 00:00:00

abstract：:Cellular lysates from PPD+ donors have been reported to transfer tuberculin reactivity to naïve recipients, but not diphtheria reactivity, and vice versa. A historically controversial topic, the terms "transfer factor" and "DLE" were used to characterize the reactivity-transferring properties of lysates. Intrigued by ...

journal_title：Journal of leukocyte biology

authors： Myles IA,Zhao M,Nardone G,Olano LR,Reckhow JD,Saleem D,Break TJ,Lionakis MS,Myers TG,Gardina PJ,Kirkpatrick CH,Holland SM,Datta SK

更新日期：2017-01-01 00:00:00