TLR3 impairment in human newborns.

abstract：:Mast cells are immune sentinels and a driving force in both normal and pathological contexts of inflammation, with a prominent role in allergic hypersensitivities. Crosslinking of FcεRI by allergen-bound IgE Abs leads to mast cell degranulation, resulting in an early-phase response and release of newly synthesized pro...

journal_title：Journal of leukocyte biology

authors： Yousef M,Crozier RWE,Hicks NJ,Watson CJF,Boyd T,Tsiani E,MacNeil AJ

更新日期：2020-05-01 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：:The Hedgehog (Hh) family of signaling molecules functions in the development of numerous tissues during embryogenesis and has also been involved in adult self-renewing tissues. Recent results have demonstrated that the different components of the Hh signaling pathway are expressed in the human thymus. In this study, w...

journal_title：Journal of leukocyte biology

authors： Varas A,Hernández-López C,Valencia J,Mattavelli S,Martínez VG,Hidalgo L,Gutiérrez-Frías C,Zapata AG,Sacedón R,Vicente A

更新日期：2008-06-01 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：:How neutrophils traffic during inflammation in vivo remains elusive. To visualize the origin and fate of neutrophils during induction and resolution of inflammation, we established a genetically encoded photolabeling system by generating transgenic zebrafish that express a photoconvertible fluorescent reporter Dendra2...

journal_title：Journal of leukocyte biology

authors： Yoo SK,Huttenlocher A

更新日期：2011-05-01 00:00:00

abstract：:The oxidative burst of polymorphonuclear neutrophils (PMN) and their ability to inhibit Paracoccidioides brasiliensis growth was studied in susceptible (B10.A) and resistant (A/J) mice. The cells were obtained after subcutaneous inoculation in air pouches, yielding highly pure PMN preparations; the number of cells was...

journal_title：Journal of leukocyte biology

authors： Meloni-Bruneri LH,Campa A,Abdalla DS,Calich VL,Lenzi HL,Burger E

更新日期：1996-04-01 00:00:00

abstract：:Alcohol-induced neuroinflammation is mediated by proinflammatory cytokines, including IL-1β. IL-1β production requires caspase-1 activation by inflammasomes-multiprotein complexes that are assembled in response to danger signals. We hypothesized that alcohol-induced inflammasome activation contributes to increased IL-...

journal_title：Journal of leukocyte biology

authors： Lippai D,Bala S,Petrasek J,Csak T,Levin I,Kurt-Jones EA,Szabo G

更新日期：2013-07-01 00:00:00

abstract：:DC maturation and functions are influenced by microbial and environmental stimuli, which could contribute to immune dysfunction. Here, we have investigated the role of enterobacteria (Escherichia coli CBL2 and Shigella CBD8) isolated from CD patients, bifidobacteria (Bifidobacterium longum CECT 7347 and Bifidobacteriu...

journal_title：Journal of leukocyte biology

authors： De Palma G,Kamanova J,Cinova J,Olivares M,Drasarova H,Tuckova L,Sanz Y

更新日期：2012-11-01 00:00:00

abstract：:In the present work, we demonstrate that interleukin (IL)-4 is able to rescue B cells from Trypanosoma cruzi-infected mice, counteracting the strong apoptotic signals that these cells received in vivo. We have observed that IL-4 restrains the apoptosis of immunoglobulin (Ig)M(+) and IgG(+) B cells from infected and no...

journal_title：Journal of leukocyte biology

authors： Acosta Rodriguez EV,Zuñiga E,Montes CL,Gruppi A

更新日期：2003-01-01 00:00:00

abstract：:STAT1 is a key effector of cytokines involved in the resistance to pathogens; its identified transcriptional targets mediate the innate immune response involved in the defense against viruses and bacteria. Little is known about the role of STAT1 in adaptive immunity, including its impact on BCR or surface Ig expressio...

journal_title：Journal of leukocyte biology

authors： Najjar I,Deglesne PA,Schischmanoff PO,Fabre EE,Boisson-Dupuis S,Nimmerjahn F,Bornkamm GW,Dusanter-Fourt I,Fagard R

更新日期：2010-06-01 00:00:00

abstract：:Cytohesin-1 and ARNO are guanine nucleotide-exchange factors (GEFs) for ADP-ribosylation factor (Arf). Here, we show that ARNO is expressed in HL-60 cells and established that granulocytic differentiation induced with Me2SO stimulated cytohesin-1 but not ARNO expression. Cytohesin-1 levels in HL-60 granulocytes were s...

journal_title：Journal of leukocyte biology

authors： Bourgoin SG,Houle MG,Singh IN,Harbour D,Gagnon S,Morris AJ,Brindley DN

更新日期：2002-04-01 00:00:00

abstract：:Previously, we showed that NO induces thymocyte apoptosis via a caspase-1-dependent mechanism [(1) ]. In the present study, we investigated the role of heme oxygenase, catalase, bax, and p53 in this process. The NO donor, S-nitroso-N-acetyl penicillamine (SNAP), induced DNA fragmentation in thymocytes in a time- and c...

journal_title：Journal of leukocyte biology

authors： Gordon SA,Abou-Jaoude W,Hoffman RA,McCarthy SA,Kim YM,Zhou X,Zhang XR,Simmons RL,Chen Y,Schall L,Ford HR

更新日期：2001-07-01 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：:TLRs act as sentinels in professional immune cells to detect and initiate the innate immune response to pathogen challenge. TLR4 is a widely expressed TLR, responsible for initiating potent immune responses to LPS. TRAM acts to bridge TLR4 with TRIF, orchestrating the inflammatory response to pathogen challenge. We ha...

journal_title：Journal of leukocyte biology

authors： Verstak B,Stack J,Ve T,Mangan M,Hjerrild K,Jeon J,Stahl R,Latz E,Gay N,Kobe B,Bowie AG,Mansell A

更新日期：2014-09-01 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：:Neutrophil extracellular traps (NETs), web-like DNA structures, provide efficient means of eliminating invading microorganisms but can also present a potential threat to its host because it is a likely source of autoantigens or by promoting bystander tissue damage. Therefore, it is important to identify mechanisms tha...

journal_title：Journal of leukocyte biology

authors： Zabieglo K,Majewski P,Majchrzak-Gorecka M,Wlodarczyk A,Grygier B,Zegar A,Kapinska-Mrowiecka M,Naskalska A,Pyrc K,Dubin A,Wahl SM,Cichy J

更新日期：2015-07-01 00:00:00

abstract：:Thioglycolate-elicited peritoneal macrophages from normal C57B1/6J mice were examined in vitro for bacterial lipopolysaccharide (LPS)-stimulated interleukin-1 (IL-1), IL-6, and tumor necrosis factor (TNF) production. Macrophages from mice administered a single oral dose of levamisole (3 mg/kg) 1 to 4 days prior to mac...

journal_title：Journal of leukocyte biology

authors： Kimball ES,Schneider CR,Fisher MC,Clark MC

更新日期：1992-09-01 00:00:00

abstract：:In this report, the construction of a functional, immunocompetent, full-thickness skin equivalent (SE) is described, consisting of an epidermal compartment containing keratinocytes, melanocytes, and human LCs derived from the MUTZ-3 cell line (MUTZ-LC) and a fibroblast-populated dermal compartment. The CD1a(+)Langerin...

journal_title：Journal of leukocyte biology

authors： Ouwehand K,Spiekstra SW,Waaijman T,Scheper RJ,de Gruijl TD,Gibbs S

更新日期：2011-11-01 00:00:00

abstract：:Leukocyte adhesion is a key factor in the pathogenesis of organ injury following a variety of stimuli. In this study we have addressed the role of leukocyte adhesion in hypertensives as a risk factor for organ injury. In the spontaneously hypertensive rat (SHR), the number of circulating leukocytes and their level of ...

journal_title：Journal of leukocyte biology

authors： Suzuki H,Zweifach BW,Forrest MJ,Schmid-Schönbein GW

更新日期：1995-01-01 00:00:00

abstract：:Hematopoietic cell differentiation takes place in phenotypically recognizable stages characterized by morphology as well as by the expression of enzymes and surface markers. It is recognized that differentiation results from an interaction of environmental cues, such as cytokines and hormones, with internal cellular p...

journal_title：Journal of leukocyte biology

authors： Chen F,Rao J,Studzinski GP

更新日期：2000-04-01 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：:Neuronal damage in HIV infection results mainly from chronic activation of brain tissue and involves inflammation, oxidative stress, and glutamate-related neurotoxicity. Glutamate toxicity acts via two distinct pathways: an excitotoxic one, in which glutamate receptors are hyperactivated, and an oxidative one, in whic...

journal_title：Journal of leukocyte biology

authors： Gras G,Porcheray F,Samah B,Leone C

更新日期：2006-11-01 00:00:00

abstract：:The transcription factor nuclear factor (NF)-kappaB controls the expression of genes involved in inflammation, cell proliferation, apoptosis, and differentiation. Impaired regulation of NF-kappaB has been associated with many diseases; thus, there is significant interest in therapeutic approaches based on modulation o...

journal_title：Journal of leukocyte biology

authors： Diatchenko L,Romanov S,Malinina I,Clarke J,Tchivilev I,Li X,Makarov SS

更新日期：2005-12-01 00:00:00

abstract：:Pulmonary fibrosis is the end point of a chronic inflammatory process characterized by leukocyte recruitment and activation, fibroblast proliferation, and increased extracellular matrix production. Previous studies of models of pulmonary fibrosis have investigated the role of cytokines in the evolution of the fibrotic...

journal_title：Journal of leukocyte biology

authors： Smith RE,Strieter RM,Zhang K,Phan SH,Standiford TJ,Lukacs NW,Kunkel SL

更新日期：1995-05-01 00:00:00

abstract：:Prion diseases are characterized by conversion of the cellular prion protein (PrP(C)) to a protease-resistant conformer, the srapie form of PrP (PrP(Sc)). Humoral immune responses to nondenatured forms of PrP(Sc) have never been fully characterized. We investigated whether production of antibodies to PrP(Sc) could occ...

journal_title：Journal of leukocyte biology

authors： Spinner DS,Kascsak RB,Lafauci G,Meeker HC,Ye X,Flory MJ,Kim JI,Schuller-Levis GB,Levis WR,Wisniewski T,Carp RI,Kascsak RJ

更新日期：2007-06-01 00:00:00

abstract：:CEACAM6 (CD66c) and CEACAM8 (CD66b) are cell-adhesion proteins on neutrophils that belong to the human carcinoembryonic antigen (CEA) family. CEACAM6 reveals homophilic adhesion and heterophilic adhesion to other CEACAM family antigens including CEACAM8, CEACAM1, and CEA, whereas CEACAM8 exhibits only heterophilic adh...

journal_title：Journal of leukocyte biology

authors： Kuroki M,Abe H,Imakiirei T,Liao S,Uchida H,Yamauchi Y,Oikawa S,Kuroki M

更新日期：2001-10-01 00:00:00

abstract：:Leukocyte trafficking from the blood into the tissues represents a key process during inflammation and requires multiple steps mediated by adhesion molecules and chemoattractants. Inflammation has a detrimental role in several diseases, and in such cases, the molecular mechanisms controlling leukocyte migration are po...

journal_title：Journal of leukocyte biology

authors： Rossi B,Angiari S,Zenaro E,Budui SL,Constantin G

更新日期：2011-04-01 00:00:00

abstract：:The ability of encapsulated and acapsular strains of Cryptococcus neoformans to activate dendritic cells (DC) derived from monocytes stimulated with granulocyte macrophage-colony stimulating factor and interleukin-4 was evaluated. Profound differences in DC response to encapsulated and acapsular C. neoformans strains ...

journal_title：Journal of leukocyte biology

authors： Vecchiarelli A,Pietrella D,Lupo P,Bistoni F,McFadden DC,Casadevall A

更新日期：2003-09-01 00:00:00

abstract：:Osteoarticular complications are common in human brucellosis, but the pathogenic mechanisms involved are largely unknown. In this manuscript, we described an immune mechanism for inflammatory bone loss in response to infection by Brucella abortus. We established a requirement for MyD88 and TLR2 in TNF-α-elicited osteo...

journal_title：Journal of leukocyte biology

authors： Delpino MV,Barrionuevo P,Macedo GC,Oliveira SC,Genaro SD,Scian R,Miraglia MC,Fossati CA,Baldi PC,Giambartolomei GH

更新日期：2012-02-01 00:00:00

abstract：:CD11c, a member of the leukointegrin family, is expressed prominently on tissue macrophages and dendritic cells and binds to complement fragment (iC3b), provisional matrix molecules (fibrinogen), and the Ig superfamily cell adhesion molecule, ICAM-1. CD11c has been proposed to function in phagocytosis, cell migration,...

journal_title：Journal of leukocyte biology

authors： Sadhu C,Ting HJ,Lipsky B,Hensley K,Garcia-Martinez LF,Simon SI,Staunton DE

更新日期：2007-06-01 00:00:00