Impaired NADPH oxidase activity in Rac2-deficient murine neutrophils does not result from defective translocation of p47phox and p67phox and can be rescued by exogenous arachidonic acid.

abstract：:Dendritic cell-specific ICAM-3-grabbing nonintegrin (DC-SIGN) C-type lectin is almost exclusively expressed at the cell surface of DC. In addition to its normal function facilitating contact of DC with T cells, DC-SIGN has been shown to bind a variety of pathogens, including Mycobacterium bovis, and HIV-1 envelope pro...

journal_title：Journal of leukocyte biology

authors： Yamakawa Y,Pennelegion C,Willcocks S,Stalker A,Machugh N,Burt D,Coffey TJ,Werling D

更新日期：2008-06-01 00:00:00

abstract：:A previously unsuspected, considerable proportion of newly synthesized polypeptides are hydrolyzed rapidly by proteasomes, possibly competing with endogenous substrates and altering proteostasis. In view of the anti-cancer effects of PIs, we set out to achieve a quantitative assessment of proteasome workload in cells ...

journal_title：Journal of leukocyte biology

authors： Cenci S,Oliva L,Cerruti F,Milan E,Bianchi G,Raule M,Mezghrani A,Pasqualetto E,Sitia R,Cascio P

更新日期：2012-11-01 00:00:00

abstract：:The ellipsoid-associated cells (EAC) localize on the surface of the ellipsoid. They bind the IV injected horseradish peroxidase (HRP) and bovine serum albumin (BSA), migrate to the red pulp and then enter the systemic circulation. After protein injection, the number of white blood cells increased above the normal leve...

journal_title：Journal of leukocyte biology

authors： Oláh I,Glick B,Taylor RL Jr

更新日期：1984-05-01 00:00:00

abstract：:Human promyelocytic cells (HL-60) were labeled with 35S-sulfate and either 3H-glucosamine or 3H-serine as precursors. Accumulation of 35S-labeled macromolecules was approximately linear for up to 96 h, with a mean cell:medium ratio of 5.5:1, although activity/10(5) viable cells reached a plateau level after 24 h. Virt...

journal_title：Journal of leukocyte biology

authors： Bentley SA,Kirby SL

更新日期：1989-01-01 00:00:00

abstract：:The role of PI-3K in leukocyte function has been studied extensively. However, the specific role of the p110gamma isoform of PI- 3K in CD4 T lymphocyte function has yet to be defined explicitly. In this study, we report that although p110gamma does not regulate antigen-dependent CD4 T cell activation and proliferation...

journal_title：Journal of leukocyte biology

authors： Thomas MS,Mitchell JS,DeNucci CC,Martin AL,Shimizu Y

更新日期：2008-09-01 00:00:00

abstract：:Growth hormone controls somatic growth in mammals by regulating the production of IGF-1, which is predominantly made by the liver. The development of cells within the MPS is controlled by the lineage-specific growth factor M-CSF (CSF-1). In this review, we summarize the role of CSF-1-dependent macrophages in somatic g...

journal_title：Journal of leukocyte biology

authors： Gow DJ,Sester DP,Hume DA

更新日期：2010-09-01 00:00:00

abstract：:Anti-proteinase-3 (anti-PR3) or anti-myeloperoxidase (anti-MPO) antibodies are capable of activating human neutrophils primed by TNF-alpha in vitro. We described previously the involvement of FcgammaRIIa and beta(2) integrins in this neutrophil activation. In the literature, the requirement of TNF priming has been att...

journal_title：Journal of leukocyte biology

authors： Reumaux D,Hordijk PL,Duthilleul P,Roos D

更新日期：2006-12-01 00:00:00

abstract：:To test whether reduced immune responsiveness in early life may be related to the immaturity of neonatal antigen-presenting cells, we comparatively assessed the phenotypic and functional characteristics of dendritic epidermal leukocytes (DEL) and epidermal Langerhans cells (LC) in newborn (NB) and adult mice, respecti...

journal_title：Journal of leukocyte biology

authors： Chang-Rodriguez S,Ecker R,Stingl G,Elbe-Bürger A

更新日期：2004-09-01 00:00:00

abstract：:The switch from fetal to adult hematopoietic stem/progenitor cells (HSPCs) is associated with profound changes in several genetic programs. Although HSPC ageing corresponds to alterations in Wnt signaling, relatively little is known about the relative roles of different Wnt signaling pathways in HSPC ontogeny. We hypo...

journal_title：Journal of leukocyte biology

authors： Kwarteng EO,Hétu-Arbour R,Heinonen KM

更新日期：2018-03-01 00:00:00

abstract：:Neutrophils were classically described as powerful effectors of acute inflammation, and their main purpose was assumed to be restricted to pathogen killing through production of oxidants. As consequence, neutrophils also may lead to significant collateral damage to the healthy tissues, and after performing these tasks...

journal_title：Journal of leukocyte biology

authors： Mattos MS,Lopes ME,de Araujo AM,Alvarenga DM,Nakagaki BN,Mafra K,de Miranda CDM,Diniz AB,Antunes MM,Lopes MAF,Rezende RM,Menezes GB

更新日期：2020-10-01 00:00:00

abstract：:Mycobacterium tuberculosis antigens that are recognized by human CD8+ T cells are potentially important vaccine target molecules. We used a motif-based strategy to screen selected proteins of M. tuberculosis for peptides predicted to bind to human leukocyte antigen (HLA)-A*0201. We identified two 10 amino acid peptide...

journal_title：Journal of leukocyte biology

authors： Shams H,Barnes PF,Weis SE,Klucar P,Wizel B

更新日期：2003-12-01 00:00:00

abstract：:The RAGE binds multiple ligand families linked to hyperglycemia, aging, inflammation, neurodegeneration, and cancer. Activation of RAGE by its ligands stimulates diverse signaling cascades. The recent observation that the cytoplasmic domain of RAGE interacts with diaphanous or mDia-1 links RAGE signal transduction to ...

journal_title：Journal of leukocyte biology

authors： Ramasamy R,Yan SF,Schmidt AM

更新日期：2009-09-01 00:00:00

abstract：:Dendritic cell-specific intercellular adhesion molecule-3-grabbing nonintegrin (DC-SIGN) has been described as an attachment molecule for human immunodeficiency virus type 1 (HIV-1) with the potential to mediate its transmission. We examined DC-SIGN expression in monocyte-derived macrophages (MDM) and its role in vira...

journal_title：Journal of leukocyte biology

authors： Chehimi J,Luo Q,Azzoni L,Shawver L,Ngoubilly N,June R,Jerandi G,Farabaugh M,Montaner LJ

更新日期：2003-11-01 00:00:00

abstract：:Chemokine-chemokine receptor (CKR) interactions are traditionally described by a two-step/two-site mechanism that details the major contact points between chemokine ligands and CKRs leading to ligand recognition and receptor activation. Chemokine recognition site 1 (CRS1) encompasses interactions between the CKR N-ter...

journal_title：Journal of leukocyte biology

authors： Riutta SJ,Larsen O,Getschman AE,Rosenkilde MM,Hwang ST,Volkman BF

更新日期：2018-08-01 00:00:00

abstract：:The primary targets of HIV are CD4(+) T cells and macrophages. HIV infection is associated with an increase in apoptosis of infected and uninfected CD4(+) T cells, and these infected cells undergo apoptosis and produce HIV virions with phosphatidylserine (PS) on their surface. During phagocytosis of apoptotic cells, m...

journal_title：Journal of leukocyte biology

authors： Gekonge BN,Schiralli G,Schlegel RA,Henderson AJ

更新日期：2006-10-01 00:00:00

abstract：:Upon exposure to immune or inflammatory stimuli, dendritic cells (DC) migrate from peripheral tissues to lymphoid organs, where they present antigen. The molecular basis for the peculiar trafficking properties of DC is largely unknown. In this study, mouse DC were generated from CD34+ bone marrow precursors and cultur...

journal_title：Journal of leukocyte biology

authors： Vecchi A,Massimiliano L,Ramponi S,Luini W,Bernasconi S,Bonecchi R,Allavena P,Parmentier M,Mantovani A,Sozzani S

更新日期：1999-09-01 00:00:00

abstract：:Mucosa represents the main site of pathogen/cell interactions. The two main types of cells forming the epithelial structure [epithelial cells and Langerhans cells (LC)] coordinate the first defense responses to avoid infection. To evaluate the involvement of epithelial cells in the early steps leading to a specific ad...

journal_title：Journal of leukocyte biology

authors： Cremel M,Berlier W,Hamzeh H,Cognasse F,Lawrence P,Genin C,Bernengo JC,Lambert C,Dieu-Nosjean MC,Delézay O

更新日期：2005-07-01 00:00:00

abstract：:Absence of lymph nodes in nonmammalian species, expression of MHCII by APCs in the periphery, and the recent findings that T cells can change their polarization status after presentation in the lymph nodes imply a role for MHCII-mediated presentation outside the organized lymphoid tissue. This study shows that MHCII(+...

journal_title：Journal of leukocyte biology

authors： Inman CF,Singha S,Lewis M,Bradley B,Stokes C,Bailey M

更新日期：2010-09-01 00:00:00

abstract：:Leukocytes have been implicated to be involved in the pathogenesis of IgA nephropathy (IgAN). To clarify the precise molecular mechanism of recruitment and activation of leukocytes in the subgroups of IgAN, latent, acute, and chronic types, we studied monocyte chemotactic and activating factor (MCAF/MCP-1) and interle...

journal_title：Journal of leukocyte biology

authors： Yokoyama H,Wada T,Furuichi K,Segawa C,Shimizu M,Kobayashi K,Su S,Mukaida N,Matsushima K

更新日期：1998-04-01 00:00:00

abstract：:Annexin A1 is a glucocorticoid-regulated, anti-inflammatory protein, which plays an important role as an endogenous regulator of the inflammatory response. Many of these anti-inflammatory properties are retained in the N-terminal annexin A1 peptide Ac1-25, which is released from the full-length protein by a neutrophil...

journal_title：Journal of leukocyte biology

authors： Lange C,Starrett DJ,Goetsch J,Gerke V,Rescher U

更新日期：2007-12-01 00:00:00

abstract：:Individuals with T2D and PD suffer significantly from the ability of one disease to intensify the other. Disease-associated inflammation is one mechanism thought to fuel this pathogenic feed-forward loop. Several lines of evidence indicate that proinflammatory B cells promote T2D and PD; thus, B cells are top candidat...

journal_title：Journal of leukocyte biology

authors： Zhu M,Belkina AC,DeFuria J,Carr JD,Van Dyke TE,Gyurko R,Nikolajczyk BS

更新日期：2014-08-01 00:00:00

abstract：:Because myotonic dystrophy (MD) is an autosomal dominant multisystemic disorder affecting plasma membrane, we have studied the oxidative burst of PMNs. The PMA and fMet-Leu-Phe-stimulated superoxide generation is defective in the patient group as compared to controls: the response is both delayed and low. The kinetic ...

journal_title：Journal of leukocyte biology

authors： Mege JL,Pouget J,Capo C,Andre P,Benoliel AM,Serratrice G,Bongrand P

更新日期：1988-09-01 00:00:00

abstract：:We have developed a method that enables the rates of phagocytosis and killing of bacteria by neutrophils to be measured in a single assay. Neutrophils were incubated with bacteria, and at specific intervals were separated from uningested bacteria by low speed centrifugation. Rates of phagocytosis and killing were calc...

journal_title：Journal of leukocyte biology

authors： Hampton MB,Vissers MC,Winterbourn CC

更新日期：1994-02-01 00:00:00

abstract：:Our previous studies demonstrated that i.p. injection of late apoptotic P388 cells caused phagocytosis by macrophages and transient infiltration of neutrophils into the peritoneal cavity. As neutrophils are known to function as effectors as well as regulators in the immune response, we examined the roles of infiltrati...

journal_title：Journal of leukocyte biology

authors： Shiratsuchi Y,Iyoda T,Tanimoto N,Kegai D,Nagata K,Kobayashi Y

更新日期：2007-02-01 00:00:00

abstract：:mRNAs encoding inflammatory chemokines that recruit neutrophils frequently exhibit short half-lives that serve to limit their expression under inappropriate conditions but are often prolonged to ensure adequate levels during inflammatory response. Extracellular stimuli that modulate the stability of such mRNAs may be ...

journal_title：Journal of leukocyte biology

authors： Hamilton T,Li X,Novotny M,Pavicic PG Jr,Datta S,Zhao C,Hartupee J,Sun D

更新日期：2012-03-01 00:00:00

abstract：:Human alveolar macrophages (AMO) have been investigated for their ability to produce three monokines, tumor necrosis factor-alpha (TNF), macrophage colony stimulating factor (CSF-1), and interleukin 1-beta (IL-1). No TNF activity was found in supernatants of unstimulated AMO cultured for 20 h, although TNF mRNA was de...

journal_title：Journal of leukocyte biology

authors： Becker S,Devlin RB,Haskill JS

更新日期：1989-04-01 00:00:00

abstract：:Azurocidin is a multifunctional endotoxin-binding serine protease homolog synthesized during the promyelocytic stage of neutrophil development. To characterize the biosynthesis and processing of azurocidin, cDNA encoding human preproazurocidin was stably transfected to the rat basophilic leukemia cell line RBL-1 and t...

journal_title：Journal of leukocyte biology

authors： Lindmark A,Garwicz D,Rasmussen PB,Flodgaard H,Gullberg U

更新日期：1999-10-01 00:00:00

abstract：:Recombinant fusion proteins consisting of the extracellular domain of immunoregulatory proteins and the constant domain of immunoglobulin G (IgG) are a novel class of human therapeutics. IgG isoforms exert different levels of immune effector functions, such as complement lysis and antibody-dependent cell cytotoxicity ...

journal_title：Journal of leukocyte biology

authors： Taylor L,Bachler M,Duncan I,Keen S,Fallon R,Mair C,McDonald TT,Schwarz H

更新日期：2002-09-01 00:00:00

abstract：:Autism spectrum disorders (ASD) are part of a broad spectrum of neurodevelopmental disorders known as pervasive developmental disorders, which occur in childhood. They are characterized by impairments in social interaction, verbal and nonverbal communication and the presence of restricted and repetitive stereotyped be...

journal_title：Journal of leukocyte biology

authors： Ashwood P,Wills S,Van de Water J

更新日期：2006-07-01 00:00:00

abstract：:The tissue-fixed macrophage is a key cellular element in the initiation and regulation of inflammation. Understanding the regulation of macrophage activation may provide valuable clues to the mechanisms involved in both beneficial and deleterious effects of inflammation. The lymphokine interferon-gamma (IFN-gamma) is ...

journal_title：Journal of leukocyte biology

authors： Williams JG,Jurkovich GJ,Hahnel GB,Maier RV

更新日期：1992-12-01 00:00:00