Phagocytosis by receptors for C3b (CR1), iC3b (CR3), and IgG (Fc) on human peritoneal macrophages.

abstract：:This study addresses the role of (pro)MMP-9 overexpression in CLL cell migration. We have used primary CLL cells and CLL-derived MEC-1 cells transfected with empty (mock cells) or proMMP-9-encoding (MMP-9 cells) lentiviral vectors. The constitutive (pro)MMP-9 expression in mock cells and primary CLL cells was similar,...

journal_title：Journal of leukocyte biology

authors： Bailón E,Ugarte-Berzal E,Amigo-Jiménez I,Van den Steen P,Opdenakker G,García-Marco JA,García-Pardo A

更新日期：2014-03-11 00:00:00

abstract：:Extravasation of leukocytes is a crucial process in the immunological defense. In response to a local concentration of chemokines, circulating leukocytes adhere to and migrate across the vascular endothelium toward the inflamed tissue. The small guanosinetriphosphatase Rap1 plays an important role in the regulation of...

journal_title：Journal of leukocyte biology

authors： Lorenowicz MJ,van Gils J,de Boer M,Hordijk PL,Fernandez-Borja M

更新日期：2006-12-01 00:00:00

abstract：:Extracellular cold-inducible RNA-binding protein (eCIRP) is a damage-associated molecular pattern. Neutrophils present in the mononuclear cell fraction of Ficoll gradient separation are called low-density neutrophils (LDNs). Here we report the novel role of eCIRP on LDNs' heterogeneity in sepsis. Sepsis was induced in...

journal_title：Journal of leukocyte biology

authors： Takizawa S,Murao A,Ochani M,Aziz M,Wang P

更新日期：2020-10-18 00:00:00

abstract：:A point mutation in the mouse Ncf1(m1J) gene decreases production of ROS by the phagocytic NOX2 complex. Three mRNA splice variants are expressed, but only one is expressed as a protein, although at lower levels than the WT NCF1 (also known as p47phox). Our aim was to investigate whether the mutant p47phox, lacking 8 ...

journal_title：Journal of leukocyte biology

authors： Sareila O,Jaakkola N,Olofsson P,Kelkka T,Holmdahl R

更新日期：2013-03-01 00:00:00

abstract：:Galectin-3 (gal-3), a beta-galactoside-binding animal lectin, plays a role in cell-cell and cell-extracellular matrix interactions. Extracellular gal-3 modulates cell migration and adhesion in several physiological and pathological processes. Gal-3 is highly expressed in activated macrophages. Schistosoma mansoni eggs...

journal_title：Journal of leukocyte biology

authors： Oliveira FL,Frazão P,Chammas R,Hsu DK,Liu FT,Borojevic R,Takiya CM,El-Cheikh MC

更新日期：2007-08-01 00:00:00

abstract：:PGG-glucan (Betafectin) is a soluble, highly purified yeast (1,3)-beta-glucan with broad anti-infective and immunomodulatory activities. These studies evaluated the ability of PGG-glucan to directly elicit O2- and tumor necrosis factor alpha (TNF-alpha) production by rat leukocytes in vitro. Particulate beta-glucan st...

journal_title：Journal of leukocyte biology

authors： Michalek M,Melican D,Brunke-Reese D,Langevin M,Lemerise K,Galbraith W,Patchen M,Mackin W

更新日期：1998-09-01 00:00:00

abstract：:To assess the effect of hypoxemia on the responses of polymorphonuclear neutrophils (PMN) during an inflammatory response, rats were maintained in a low F1O2 atmosphere (9% O2) or room air for 12 h before intrathoracic injection of carrageenin or intradermal injections of agonists. After 4 h, hypoxemic rats had 50% mo...

journal_title：Journal of leukocyte biology

authors： Tremblay PB,Macari DM,Martel D,du Souich P,Barja-Fidalgo C,Marleau S

更新日期：2000-06-01 00:00:00

abstract：:Inflammation-limiting nonsteroidal pain relievers magnify myocardial infarction (MI) incidences and increase re-admission events in heart failure (HF) patients. However, the molecular and cellular mechanism of this provocative adverse effect is unclear. Our goal was to determine whether carprofen (CAP) impedes splenic...

journal_title：Journal of leukocyte biology

authors： Halade GV,Kain V,Wright GM,Jadapalli JK

更新日期：2018-12-01 00:00:00

abstract：:Proteoglycans (PGs) play a dominant role within the bone marrow (BM), but their role in homing of transplanted hematopoietic progenitor cells (HPC) is unknown. In this study, the role of heparan sulfate (HS) PGs on BM endothelium as adhesive structures was investigated. HPC (primary CD34+ cells and cell line KG-1a) we...

journal_title：Journal of leukocyte biology

authors： Netelenbos T,van den Born J,Kessler FL,Zweegman S,Huijgens PC,Drager AM

更新日期：2003-12-01 00:00:00

abstract：:Notch signaling plays a preeminent role during development in not only regulating cell fate decisions, but it can also influence growth and survival of progenitor cells. In the immune system, Notch is required for the maintenance of hematopoietic stem cells and in directing T- versus B-lineage commitment. In this revi...

journal_title：Journal of leukocyte biology

authors： Hoyne GF

更新日期：2003-12-01 00:00:00

abstract：:M-CSF is a pleiotropic cytokine involved in the survival, proliferation, and differentiation of cells of the monocyte/macrophage lineage. M-CSF is produced by numerous cells including CD3-activated T cells. M-CSF serum levels are increased during acute graft rejection. We tested the in vitro production of M-CSF, GM-CS...

journal_title：Journal of leukocyte biology

authors： Frétier S,Besse A,Delwail A,Garcia M,Morel F,Leprivey-Lorgeot V,Wijdenes J,Praloran V,Lecron JC

更新日期：2002-02-01 00:00:00

abstract：:Cathelicidin LL-37 is a multifunctional, immunomodulatory and antimicrobial host-defense peptide of the human immune system. Here, we identified the role of SFKs in mediating the chemokine induction activity of LL-37 in monocytic cells. LL-37 induced SFK phosphorylation; and chemical inhibitors of SFKs suppressed chem...

journal_title：Journal of leukocyte biology

authors： Nijnik A,Pistolic J,Cho P,Filewod NC,Falsafi R,Ramin A,Harder KW,Hancock RE

更新日期：2012-04-01 00:00:00

abstract：:The neutrophil is a key player in immunity, and its activities are essential for the resolution of infections. Neutrophil-pathogen interactions usually trigger a large arsenal of antimicrobial measures that leads to the highly efficient killing of pathogens. In neutrophils, the phagocytic process, including the format...

journal_title：Journal of leukocyte biology

authors： Nordenfelt P,Tapper H

更新日期：2011-08-01 00:00:00

abstract：:As the natural resistance-associated macrophage protein 1 Nramp1 (also known as Slc11a1) modulates Kupffer cell (KC) activation, and KC are responsible for the early phase of warm ischemia/reperfusion (I/R) to the liver, we hypothesized that livers of Nramp1(-/-) mice will be protected from early-phase I/R injury comp...

journal_title：Journal of leukocyte biology

authors： Wyllie S,Seu P,Gao FQ,Gros P,Goss JA

更新日期：2002-11-01 00:00:00

abstract：:TTP is an anti-inflammatory protein that acts by binding to AREs in its target mRNAs, such as Tnf mRNA, and promoting their deadenylation and decay. TNF released from inflammatory cells can then stimulate gene expression in tissue cells, such as fibroblasts. To determine whether TTP could affect the decay of TNF-induc...

journal_title：Journal of leukocyte biology

authors： Qiu LQ,Lai WS,Bradbury A,Zeldin DC,Blackshear PJ

更新日期：2015-04-01 00:00:00

abstract：:Thimerosal is an organic mercury compound that is used as a preservative in vaccines and pharmaceutical products. Recent studies have shown a TH2-skewing effect of mercury, although the underlying mechanisms have not been identified. In this study, we investigated whether thimerosal can exercise a TH2-promoting effect...

journal_title：Journal of leukocyte biology

authors： Agrawal A,Kaushal P,Agrawal S,Gollapudi S,Gupta S

更新日期：2007-02-01 00:00:00

abstract：:Highly active antiretroviral therapy (HAART) against human immunodeficiency virus type 1 (HIV-1) infection dramatically suppresses viral load, leading to marked reductions in HIV-1 associated morbidity and mortality. However, infected cell reservoirs and low-level replication persist in the face of suppressive HAART, ...

journal_title：Journal of leukocyte biology

authors： Kennedy PE,Bera TK,Wang QC,Gallo M,Wagner W,Lewis MG,Berger EA,Pastan I

更新日期：2006-11-01 00:00:00

abstract：:Epithelial and submucosal mesenchymal (SM) cells from normal human small intestine and colon could be directly infected by several strains of the human immunodeficiency virus (HIV). Macrophage-derived virus strains were more potent than the HTLVIIIB prototype strain. Persistent release of virus over several months imp...

journal_title：Journal of leukocyte biology

authors： Moyer MP,Gendelman HE

更新日期：1991-05-01 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：:Nitric oxide (NO), the molecule of the year 1992, is gaining recognition as an important biological mediator. Its multitude of physiologic and pathophysiologic functions result from both a wide distribution of synthesis and diverse mechanisms of action. Besides its functions as a potent vasodilator and neurotransmitte...

journal_title：Journal of leukocyte biology

authors： Nussler AK,Billiar TR

更新日期：1993-08-01 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：:The basal presence of immunologically potent cells within the intestinal muscularis externa and their functional significance is unclear. Our aim was to investigate the basal distribution of various leukocyte populations within the rat jejunal muscularis. In addition, we sought to immunohistochemically phenotype the m...

journal_title：Journal of leukocyte biology

authors： Kalff JC,Schwarz NT,Walgenbach KJ,Schraut WH,Bauer AJ

更新日期：1998-06-01 00:00:00

abstract：:Several in vitro functions of neonatal neutrophils (N-PMN) have been reported to be deficient and may be functionally related to the increased susceptibility of the newborn to infection. To evaluate an in vitro event corresponding to one of the early steps in the sequence of inflammation, we used zymosan-activated pla...

journal_title：Journal of leukocyte biology

authors： Zwahlen RD,Slauson DO,Neilsen NR,Clifford CB

更新日期：1987-06-01 00:00:00

abstract：:Osteoclasts are large, multinucleated cells, which originate from the fusion of macrophages. They play a central role in bone development and remodeling via the resorption of bone and are thus important mediators of bone loss, which leads to osteoporosis. IL-1R-associated kinase (IRAK)-M is a pseudokinase, which acts ...

journal_title：Journal of leukocyte biology

authors： Soares-Schanoski A,Gómez-Piña V,del Fresno C,Rodríguez-Rojas A,García F,Glaría A,Sánchez M,Vallejo-Cremades MT,Baos R,Fuentes-Prior P,Arnalich F,López-Collazo E

更新日期：2007-09-01 00:00:00

abstract：:p67(phox) is the paramount cytosolic regulator of the superoxide-generating Nox of phagocytes, by controlling the conformation of the catalytic component, Nox2. The initiating event of this process is a protein-protein interaction between p67(phox) and the part of Nox2 protruding into the cytosol, known as the dehydro...

journal_title：Journal of leukocyte biology

authors： Dahan I,Smith SM,Pick E

更新日期：2015-11-01 00:00:00

abstract：:Signaling through chemokine receptor, C-X-C chemokine receptor type 4 (CXCR4) regulates essential processes in normal physiology, including embryogenesis, tissue repair, angiogenesis, and trafficking of immune cells. Tumors co-opt many of these fundamental processes to directly stimulate proliferation, invasion, and m...

journal_title：Journal of leukocyte biology

authors： Luker GD,Yang J,Richmond A,Scala S,Festuccia C,Schottelius M,Wester HJ,Zimmermann J

更新日期：2020-10-26 00:00:00

abstract：:The motheaten mouse was first described in 1975 as a model of systemic inflammation and autoimmunity, as a result of immune system dysregulation. The phenotype was later ascribed to mutations in the cytoplasmic tyrosine phosphatase Shp1. This phosphatase is expressed widely throughout the hematopoietic system and has ...

journal_title：Journal of leukocyte biology

authors： Abram CL,Lowell CA

更新日期：2017-09-01 00:00:00

abstract：:Monocytes have been categorized in three main subpopulations based on CD14 and CD16 surface expression. Classical monocytes express the CD14(++)CD16(-)CCR2(+) phenotype and migrate to inflammatory sites by quickly responding to CCL2 signaling. Here, we identified and characterized the expansion of a novel monocyte sub...

journal_title：Journal of leukocyte biology

authors： Gama L,Shirk EN,Russell JN,Carvalho KI,Li M,Queen SE,Kalil J,Zink MC,Clements JE,Kallas EG

更新日期：2012-05-01 00:00:00

abstract：:T cell-mediated immunity against Chlamydia in mice is mediated at least in part by T cell-derived interferon-gamma (IFN-gamma) induction of the nitric oxide synthase (iNOS) system in infected epithelial cells. Although IFN-gamma alone could stimulate nitric oxide (NO) production from epithelial cells and inhibit the i...

journal_title：Journal of leukocyte biology

authors： Igietseme JU,Uriri IM,Hawkins R,Rank RG

更新日期：1996-05-01 00:00:00

abstract：:Poxviruses encode a variety of immunomodulatory proteins that subvert the cytokine networks of infected hosts. Myxoma virus, a poxvirus pathogen of rabbits, expresses two distinct 35- to 40-kDa secreted glycoproteins that bind a broad spectrum of chemokines. The first of these, designated M-T7, is encoded by the T7 ge...

journal_title：Journal of leukocyte biology

authors： Lalani AS,McFadden G

更新日期：1997-11-01 00:00:00