Molecular mechanisms underlying anti-inflammatory phenotype of neonatal splenic macrophages.

abstract：:The lack of classical lymph vessels within brain tissue complicates immune surveillance of the CNS, and therefore, cellular emigration out of the CNS parenchyma requires alternate pathways. Whereas invasion of blood-derived mononuclear cells and their transformation into ramified, microglia-like cells in areas of axon...

journal_title：Journal of leukocyte biology

authors： Kaminski M,Bechmann I,Pohland M,Kiwit J,Nitsch R,Glumm J

更新日期：2012-07-01 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：:Recent studies have revealed that aloe emodin (AE), a natural compound from the root and rhizome of Rheum palmatum L., exhibits significant pharmacologic activities. However, the pharmacologic relevance of the compound, particularly for cardiovascular disease, remains largely unknown. Here, we hypothesized that AE cou...

journal_title：Journal of leukocyte biology

authors： Zhang Y,Song Z,Huang S,Zhu L,Liu T,Shu H,Wang L,Huang Y,Chen Y

更新日期：2020-12-01 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：:Endotoxin tolerance is characterized by attenuated macrophage activation to subsequent LPS challenge and can be reversed through nonspecific protein kinase C (PKC) activation, and activation by LPS within naïve cells requires the activation of the cell surface receptors CD14 and TLR4 on lipid rafts. The effect of PKC ...

journal_title：Journal of leukocyte biology

authors： Cuschieri J,Billigren J,Maier RV

更新日期：2006-12-01 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：:Murine reconstitution assays were used to investigate the effects of recombinant human interleukin-7 (rhIL-7) on myeloid and lymphoid precursors and on bone marrow engraftment. Reconstitution with bone marrow from rhIL-7-treated mice results in a 3.4-fold decrease in total colony-forming unit-spleen (CFU-S) activity (...

journal_title：Journal of leukocyte biology

authors： Boerman OC,Gregorio TA,Grzegorzewski KJ,Faltynek CR,Kenny JJ,Wiltrout RH,Komschlies KL

更新日期：1995-08-01 00:00:00

abstract：:Mutations in the gene JAGN1 were recently discovered in patients with severe congenital neutropenia (SCN). Neutrophils release neutrophil extracellular traps (NETs) consisting of decondensed chromatin decorated with various granular proteins such as neutrophil elastase and myeloperoxidase (MPO) to combat microbial inf...

journal_title：Journal of leukocyte biology

authors： Khandagale A,Lazzaretto B,Carlsson G,Sundin M,Shafeeq S,Römling U,Fadeel B

更新日期：2018-12-01 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：:Myeloid-derived suppressor cells (MDSCs) increase in tuberculosis (TB) and may be targets for host-directed therapy (HDT). In this study, we use flow cytometry to analyze the effects of cyclooxygenase-2 inhibitors (COX-2i) on monocytic (M)-MDSCs in blood from TB patients attending a clinical trial of COX-2i. The effec...

journal_title：Journal of leukocyte biology

authors： Jøntvedt Jørgensen M,Jenum S,Tonby K,Mortensen R,Walzl G,Du Plessis N,Dyrhol-Riise AM

更新日期：2020-11-06 00:00:00

abstract：:IL-33 is a more recently identified member of the IL-1 cytokine family, expressed in the nucleus of epithelial cells and released into the extracellular space following tissue damage. The impact of IL-33 as a regulator of the adaptive immune response has been studied extensively, with an understood role for IL-33 in t...

journal_title：Journal of leukocyte biology

authors： Lott JM,Sumpter TL,Turnquist HR

更新日期：2015-06-01 00:00:00

abstract：:TLRs are a class of pattern recognition receptors (PRRs) that detect invading microbes by recognizing pathogen-associated molecular patterns (PAMPs). Upon PAMP engagement, TLRs activate a signaling cascade that leads to the production of inflammatory mediators. The localization of TLRs, either on the plasma membrane o...

journal_title：Journal of leukocyte biology

authors： Marongiu L,Gornati L,Artuso I,Zanoni I,Granucci F

更新日期：2019-07-01 00:00:00

abstract：:Type I IFNs play an important role in innate and adaptive immunity against viral infections. A novel type I IFN, namely IFN-ε, which can protect against vaginal transmission of HSV2 and Chlamydia muridarum bacterial infection, has been described in mice and humans. Nevertheless, the principle cell type and the express...

journal_title：Journal of leukocyte biology

authors： Demers A,Kang G,Ma F,Lu W,Yuan Z,Li Y,Lewis M,Kraiselburd EN,Montaner L,Li Q

更新日期：2014-12-01 00:00:00

abstract：:PGE(2) and other cAMP-elevating agents are known to down-regulate most functions stimulated by fMLP in human polymorphonuclear neutrophils. We reported previously that the inhibitory potential of PGE(2) resides in its capacity to suppress fMLP-stimulated PI-3Kgamma activation via the PGE(2) receptor EP(2) and hence, t...

journal_title：Journal of leukocyte biology

authors： Burelout C,Naccache PH,Bourgoin SG

更新日期：2007-06-01 00:00:00

abstract：:The role of JNK in neutrophil chemotaxis and killing of microbial pathogens remains unclear. Using a recently described cell-permeable peptide inhibitor of the JNK pathway, based on the JBD of JIP-1, coupled to the protein transduction domain of HIV-TAT (TAT-JIP), in association with control peptides, we demonstrate t...

journal_title：Journal of leukocyte biology

authors： Yeh MC,Mukaro V,Hii CS,Ferrante A

更新日期：2010-05-01 00:00:00

abstract：:Lymphocyte function-associated antigen (LFA-1) is a member of the beta2 family of integrins that is selectively expressed on leukocytes. Herein, we show that Ca(2)(+) mobilizing agents A23187, thapsigargin, and ionomycin induce an increase in adhesion to the LFA-1 ligand intercellular adhesion molecule-1 (ICAM-1) and ...

journal_title：Journal of leukocyte biology

authors： Rodríguez-Fernández JL,Sánchez-Martín L,de Frutos CA,Sancho D,Robinson M,Sánchez-Madrid F,Cabañas C

更新日期：2002-03-01 00:00:00

abstract：:Tyrosine phosphorylation is an important component of the signaling pathways responsible for the activation of the macrophage respiratory burst. Because the virulence plasmid of Yersinia enterocolitica encodes a phosphotyrosine phosphatase, YopH, it is possible that the pathogenic strategy of Y. enterocolitica involve...

journal_title：Journal of leukocyte biology

authors： Green SP,Hartland EL,Robins-Browne RM,Phillips WA

更新日期：1995-06-01 00:00:00

abstract：:TLRs mediate host defense against microbial pathogens by eliciting production of inflammatory mediators and activating expression of MHC, adhesion, and costimulatory molecules. Endotoxin tolerance limits excessive TLR-driven inflammation during sepsis and reprograms macrophage responses to LPS, decreasing expression o...

journal_title：Journal of leukocyte biology

authors： Xiong Y,Medvedev AE

更新日期：2011-12-01 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：:Leucocyte-endothelial cell interactions are important in the inflammatory response. In this study, the effect of peripheral blood mononuclear cell (PBMC) products on endothelial cell (EC) shape was examined and quantified. PBMC were obtained from normal donors by Ficoll-Hypaque separation of heparinized whole blood an...

journal_title：Journal of leukocyte biology

authors： FitzGerald OM,Hess EV,Chance A,Highsmith RF

更新日期：1987-05-01 00:00:00

abstract：:We have demonstrated previously that binding of ephrin-A1 to EphA receptors on human CD4(+) and CD8(+) T cells stimulates migration. Two EphA receptors have been reported in T cells: EphA1 at the protein level and EphA4 at the mRNA level. In this study, we wanted to investigate the expression profile of these receptor...

journal_title：Journal of leukocyte biology

authors： Holen HL,Nustad K,Aasheim HC

更新日期：2010-06-01 00:00:00

abstract：:Type I IFNs are used for treating viral, neoplastic, and inflammatory disorders. The protein products encoded by IFN-stimulated genes (ISGs) likely mediate clinical effects of IFN in patients. Macroarray assays, used for studying ISG induction in IFN-treated patients, comprise genes identified predominantly through an...

journal_title：Journal of leukocyte biology

authors： Rani MR,Shrock J,Appachi S,Rudick RA,Williams BR,Ransohoff RM

更新日期：2007-11-01 00:00:00

abstract：:Virulent Legionella pneumophila replicate readily in thioglycollate-elicited peritoneal macrophages from genetically permissive A/J mice, but avirulent L. pneumophila do not. The production of cytokines by macrophages infected with L. pneumophila has been studied, but the correlation of bacterial virulence with immune...

journal_title：Journal of leukocyte biology

authors： McHugh SL,Yamamoto Y,Klein TW,Friedman H

更新日期：2000-06-01 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 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：:To determine whether monocytes can be generated from CD34+ hematopoietic progenitors in large numbers, cord blood CD34+ cells were first expanded for 3-10 days in X-VIVO 10 medium supplemented with FCS, stem cell factor (SCF), thrombopoietin (TPO), and Flt-3 Ligand (Flt-3L), and then differentiated in IMDM medium supp...

journal_title：Journal of leukocyte biology

authors： Stec M,Weglarczyk K,Baran J,Zuba E,Mytar B,Pryjma J,Zembala M

更新日期：2007-09-01 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：:CD5L, a soluble protein belonging to the SRCR superfamily, is expressed mostly by macrophages in lymphoid and inflamed tissues. The expression of this protein is transcriptionally controlled by LXRs, members of the nuclear receptor family that play major roles in lipid homeostasis. Research undertaken over the last de...

journal_title：Journal of leukocyte biology

authors： Sanjurjo L,Aran G,Roher N,Valledor AF,Sarrias MR

更新日期：2015-08-01 00:00:00

abstract：:Insight into molecular and cellular mechanisms of innate immunity is critical to understand viral pathogenesis and immunopathology and might be exploited for therapy. Whereas the molecular mechanisms of the IFN defense are well established, cellular mechanisms of antiviral immunity are only emerging, and their pharmac...

journal_title：Journal of leukocyte biology

authors： Li S,Starckx S,Martens E,Dillen C,Lamerant-Fayel N,Berghmans N,Gouwy M,van Pel M,Heremans H,Kieda C,Fibbe WE,Billiau A,Van Damme J,Opdenakker G

更新日期：2010-11-01 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