Nucleosomes inhibit phagocytosis of apoptotic thymocytes by peritoneal macrophages from MRL+/+ lupus-prone mice.

abstract：:The recognition of pathogen-associated molecular patterns by TLRs triggers the activation of innate and adaptive immune responses. Flagellin, the agonist of TLR5, is expressed by prokaryotes and eukaryotes, and DNA sequences containing unmethylated CpG dinucleotides, agonists of TLR9, are present essentially in prokar...

journal_title：Journal of leukocyte biology

authors： Merlo A,Calcaterra C,Mènard S,Balsari A

更新日期：2007-09-01 00:00:00

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：:Neutrophils are the most abundant leukocytes in blood. From the circulation, they are quickly mobilized to sites of inflammation and/or infection. At the affected tissues, neutrophils display an impressive array of antimicrobial functions, including degranulation, production of reactive oxygen species (ROS), phagocyto...

journal_title：Journal of leukocyte biology

authors： Rosales C

更新日期：2020-07-01 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：:The immune system is armed with a broad range of receptors to detect and initiate the elimination of bacterial pathogens. Inflammasomes are molecular platforms that sense a diverse range of microbial insults to develop appropriate host response. In that context, noncanonical inflammasome arose as a sensor for Gram-neg...

journal_title：Journal of leukocyte biology

authors： Gomes MTR,Cerqueira DM,Guimarães ES,Campos PC,Oliveira SC

更新日期：2019-09-01 00:00:00

abstract：:The Charcot-Leyden crystal (CLC) protein, a prominent cell constituent unique to eosinophils and basophils, possesses lysophospholipase activity. This activity and the extracellular deposition and formation of CLC in tissues and body fluids in association with eosinophils suggest an extracellular function for this pro...

journal_title：Journal of leukocyte biology

authors： Golightly LM,Thomas LL,Dvorak AM,Ackerman SJ

更新日期：1992-04-01 00:00:00

abstract：:The IV meeting of the European Mucosal Immunology Group, held October 8-10, 2004, in Lyon, gathered fundamental and clinical research scientists to discuss the most recent updates on basic and clinical aspects of mucosal immunology. The meeting was focused on innate and acquired immune mechanisms underlying handling a...

journal_title：Journal of leukocyte biology

authors： Kaiserlian D,Cerf-Bensussan N,Hosmalin A

更新日期：2005-08-01 00:00:00

abstract：:How regulatory T (TR) cells dampen T cell responses remains unclear. Multiple modes of action have been proposed, including cell contact-dependent and/or cytokine-dependent mechanisms. Suppression may involve direct contact between TR cells and responder T cells. Alternatively, TR cells may act on dendritic cells to r...

journal_title：Journal of leukocyte biology

authors： Bodor J,Fehervari Z,Diamond B,Sakaguchi S

更新日期：2007-01-01 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：:Hybridoma cell lines were produced by fusion of SP2/0 murine myeloma cell line with the spleen cells of Wister rats which were immunized with IgG2a-binding protein isolated from the detergent lysate of a murine macrophagelike cell line, P388D1, by affinity chromatography on IgG-Sepharose 4B. A monoclonal clone (design...

journal_title：Journal of leukocyte biology

authors： Kagami M,Funatsu Y,Suzuki T

更新日期：1989-04-01 00:00:00

abstract：:In inflammatory diseases, circulating neutrophils are recruited to sites of injury. Attractant signals are provided by many different chemotactic molecules, such that blockade of one may not prevent neutrophil recruitment effectively. The Slit family of secreted proteins and their transmembrane receptor, Robo, repel a...

journal_title：Journal of leukocyte biology

authors： Tole S,Mukovozov IM,Huang YW,Magalhaes MA,Yan M,Crow MR,Liu GY,Sun CX,Durocher Y,Glogauer M,Robinson LA

更新日期：2009-12-01 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：:To become competent killer cells, CD8(+) T cells require stimulation through signal transduction pathways associated with the T-cell receptor, costimulatory molecules such as CD28, and cytokine receptors such as the interleukin (IL)-2 receptor. We used wortmannin and LY294002, two inhibitors of phosphatidylinositol 3-...

journal_title：Journal of leukocyte biology

authors： Phu T,Haeryfar SM,Musgrave BL,Hoskin DW

更新日期：2001-05-01 00:00:00

abstract：:In the absence of IL-10, colonic inflammation ensues, which is characterized by high levels of IL-17. Here, we demonstrate a direct correlation between ICOS expression and IL-17 production in cIELs. IL-10(-/-) mice had increased numbers of cIELs and greater colon weight. Although the CD69 early activation antigen was ...

journal_title：Journal of leukocyte biology

authors： Schaefer JS,Montufar-Solis D,Vigneswaran N,Klein JR

更新日期：2010-02-01 00:00:00

abstract：:Tumor necrosis factor (TNF)-stimulated gene 14 (TSG-14, also termed PTX3) encodes a secreted glycoprotein whose carboxy-terminal half shares sequence similarity with the pentraxin family of acute phase proteins (C-reactive protein and serum amyloid P component). We compared TSG-14 mRNA expression in cultures of murine...

journal_title：Journal of leukocyte biology

authors： Goodman AR,Levy DE,Reis LF,Vilcek J

更新日期：2000-03-01 00:00:00

abstract：:TLR are primary triggers of the innate immune system by recognizing various microorganisms through conserved pathogen-associated molecular patterns. TLR2 is the receptor for a functional recognition of bacterial lipopeptides (LP) and is up-regulated during various disorders such as chronic obstructive pulmonary diseas...

journal_title：Journal of leukocyte biology

authors： Farhat K,Riekenberg S,Heine H,Debarry J,Lang R,Mages J,Buwitt-Beckmann U,Röschmann K,Jung G,Wiesmüller KH,Ulmer AJ

更新日期：2008-03-01 00:00:00

abstract：:A wealth of scientific and clinical evidence during the past few years has lent credence to the idea that key components of the host immune effector mechanisms can be targeted to boost current tuberculosis (TB) treatment and control patient relapse. These host-directed strategies not only accelerate the clearance of p...

journal_title：Journal of leukocyte biology

authors： Cheng CY,Böhme J,Singhal A

更新日期：2018-02-01 00:00:00

abstract：:Antagonism of ROS signaling can inhibit cell apoptosis and autophagy, thus favoring the maintenance and expansion of hematopoietic stem cells. Alpha lipoic acid (ALA), a small antioxidant molecule, affects cell apoptosis by lowering the ROS level. In this study, we show that ALA promoted production of human pluripoten...

journal_title：Journal of leukocyte biology

authors： Dong Y,Bai J,Zhang Y,Zhou Y,Pan X,Li X,Zhou Q,Chen Y,Lai M,Mao B,Bian G,Feng J,Xie F,Chen B,Nakahata T,Zhang Y,Ma F

更新日期：2020-12-01 00:00:00

abstract：:Engagement of 2B4 (CD244) with CD48 results in activation, costimulation, or inhibition of NK cell activities, depending on the cell types and the stage of differentiation. In vivo, 2B4+ NK cells can interact with CD48+ NK cells and also with surrounding CD48+ hematopoietic cells. Similarly, CD48+ NK cells may be trig...

journal_title：Journal of leukocyte biology

authors： Kim EO,Kim N,Kim TJ,Kim K,Kim TW,Kumar V,Lee KM

更新日期：2010-10-01 00:00:00

abstract：:Tumor necrosis factor (TNF) and interleukin-1 (IL-1) are cytokines with pleiotropic biological activities, exerting a broad range of overlapping biological functions. The redundancy of TNF and IL-1 activities may be based on the utilization of shared key components of intracellular signaling pathways. Two lipid second...

journal_title：Journal of leukocyte biology

authors： Schütze S,Machleidt T,Krönke M

更新日期：1994-11-01 00:00:00

abstract：:The transmembrane C-type lectin, dendritic cell-specific ICAM-3-grabbing nonintegrin (DC-SIGN), has three conserved cytoplasmic tail motifs: the tyrosine (Y)-based, dileucine (LL), and triacidic cluster (EEE), which are believed to regulate ligand binding, uptake, and trafficking. We mutated each of these motifs by al...

journal_title：Journal of leukocyte biology

authors： Azad AK,Torrelles JB,Schlesinger LS

更新日期：2008-12-01 00:00:00

abstract：:Neutrophils are important mediators of the innate immune defense and of the host response to a physical trauma. Because aberrant infiltration of injured sites by neutrophils was shown to cause adverse effects after trauma, we investigated how neutrophil infiltration could be modulated at the cellular level. Our data i...

journal_title：Journal of leukocyte biology

authors： Wille C,Eiseler T,Langenberger ST,Richter J,Mizuno K,Radermacher P,Knippschild U,Huber-Lang M,Seufferlein T,Paschke S

更新日期：2018-09-01 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：:During the development of immune responses to pathogens, self-antigens, or environmental allergens, naive CD4(+) T cells differentiate into subsets of effector cells including Th1, Th2, and Th17 cells. The differentiation into these subsets is controlled by specific transcription factors. The activity of these effecto...

journal_title：Journal of leukocyte biology

authors： Chapoval S,Dasgupta P,Dorsey NJ,Keegan AD

更新日期：2010-06-01 00:00:00

abstract：:Serum MBP, also known as MBL, is a C-type lectin that is known to be a soluble host defense factor involved in innate immunity. It has been well established that dying microbes and apoptotic cells release highly viscous DNA that induces inflammation and septic shock, and apoptotic cells display fragmented DNA on their...

journal_title：Journal of leukocyte biology

authors： Nakamura N,Nonaka M,Ma BY,Matsumoto S,Kawasaki N,Asano S,Kawasaki T

更新日期：2009-09-01 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：:It has been shown that lead (Pb) potentiates lipopolysaccharide (LPS) lethality in animals by increasing the secretion and uptake or reactivity of tumor necrosis factor-alpha (TNF-alpha). Herein we report that PbCl2 increased TNF-alpha secretion from LPS-treated human peripheral blood mononuclear cells (PBMC) in a con...

journal_title：Journal of leukocyte biology

authors： Guo TL,Mudzinski SP,Lawrence DA

更新日期：1996-06-01 00:00:00

abstract：:Chemokines regulate the migration and the maturation of dendritic cells (DC) licensed by microbial constituents. We have recently found that the function of DC, including their ability to activate naïve, allogeneic CD4+ T cells, requires the autocrine/paracrine release of the nuclear protein high mobility group box 1 ...

journal_title：Journal of leukocyte biology

authors： Dumitriu IE,Bianchi ME,Bacci M,Manfredi AA,Rovere-Querini P

更新日期：2007-01-01 00:00:00

abstract：:The promoters of the IL-8, MCP-1, and RANTES genes contain binding sites for the redox-responsive transcription factors AP-1 and NF-kappaB, which have been shown to be important for their expression. In this overview, we present evidence from our laboratories that the stimulus-specific regulation of these chemokines b...

journal_title：Journal of leukocyte biology

authors： Roebuck KA,Carpenter LR,Lakshminarayanan V,Page SM,Moy JN,Thomas LL

更新日期：1999-03-01 00:00:00

abstract：:Neutrophils, an essential component of the innate immune system, are produced at a rate 10(11) cells/day and are consequently the most abundant leukocyte in the blood. These granulocytes have a relatively short half-life (6-8 h) in the blood, and as a result of the cytotoxic nature of their contents, it is critical th...

journal_title：Journal of leukocyte biology

authors： Rankin SM

更新日期：2010-08-01 00:00:00