poly(I:C) and LPS induce distinct IRF3 and NF-kappaB signaling during type-I IFN and TNF responses in human macrophages.

abstract：:In this study, we analyzed the specific effects of transforming growth factor beta (TGF-beta1) and/or IL-4 on monocyte-derived cells. Monocytes were cultured with GM-CSF, GM-CSF/TGF-beta1, GM-CSF/IL-4, or GM-CSF/IL-4/TGF-beta1 before cell morphology, phenotype, and function were assessed. As expected, interleukin-4 is...

journal_title：Journal of leukocyte biology

authors： Guironnet G,Dezutter-Dambuyant C,Vincent C,Bechetoille N,Schmitt D,Péguet-Navarro J

更新日期：2002-05-01 00:00:00

abstract：:Previously we had determined that neonatal neutrophils had decreased interaction with monolayers expressing P-selectin compared to adult cells. In this study we examined the function of neonatal P-selectin glycoprotein ligand-1 (PSGL-1). A rabbit polyclonal antibody directed against the amino terminus of human PSGL-1 ...

journal_title：Journal of leukocyte biology

authors： Tcharmtchi MH,Smith CW,Mariscalco MM

更新日期：2000-01-01 00:00:00

abstract：:The magnitude and efficacy of CD8(+) T cell memory may notably regress, especially if immune induction occurs in the absence of adequate CD4(+) help. This report demonstrates that this CD8(+) memory malfunction could be remedied if a source of cognate antigen-recognizing helper cells were provided during recall. The i...

journal_title：Journal of leukocyte biology

authors： Kumaraguru U,Banerjee K,Rouse BT

更新日期：2005-10-01 00:00:00

abstract：:Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB), remains the leading global cause of death from an infectious agent. Mycobacteria thrive within their host Mϕs and presently, there is no animal model that permits combined in vitro and in vivo study of mycobacteria-host Mϕ interactions. Mycoba...

journal_title：Journal of leukocyte biology

authors： Popovic M,Yaparla A,Paquin-Proulx D,Koubourli DV,Webb R,Firmani M,Grayfer L

更新日期：2019-12-01 00:00:00

abstract：:Lymphocyte development is initiated from hematopoietic stem cells and can be divided into multiple phenotypically distinct stages. Transcription factors play important roles in programming the developmental process of lymphocytes. Recent studies have identified key roles of several orphan nuclear receptors in T lympho...

journal_title：Journal of leukocyte biology

authors： He YW

更新日期：2002-09-01 00:00:00

abstract：:Transition metals, including zinc, are essential to all living organisms. They are also toxic in high amounts, and their intracellular concentration must be tightly regulated. In this edition of JLB, Stocks et al. report that the zinc transporter, ZnT1 (SLC30A1) is induced by TLR4 activation in Mϕs, in which it contri...

journal_title：Journal of leukocyte biology

authors： Neyrolles O

更新日期：2021-02-01 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：:Immune-checkpoint blockade therapy with antibodies targeting CTLA-4 and PD-1 has revolutionized melanoma treatment by eliciting responses that can be remarkably durable and is now advancing to other malignancies. However, not all patients respond to immune-checkpoint inhibitors. Extensive preclinical evidence suggests...

journal_title：Journal of leukocyte biology

authors： Vilgelm AE,Johnson DB,Richmond A

更新日期：2016-08-01 00:00:00

abstract：:Increased concentrations of eicosanoids are found in synovial fluids (SF) from patients with rheumatoid arthritis (RA). SF polymorphonuclear leukocytes (PMN), which derive from peripheral blood, usually account for approximately 90% of the cells in RA SF. Since eicosanoid precursor fatty acids (FA) are liberated by ph...

journal_title：Journal of leukocyte biology

authors： Bomalaski JS,Clark MA,Douglas SD,Zurier RB

更新日期：1985-11-01 00:00:00

abstract：:Fluid-phase endocytosis is stimulated by H-ras-linked growth factor receptors and this stimulation requires activation of rab5. We utilized a GFP-rab5a:wt fusion protein to monitor GFP-rab5a:wt activation in living fibroblasts and in J774 macrophages. Control CHO cells that expressed GFP-rab5a:wt were cultured in seru...

journal_title：Journal of leukocyte biology

authors： Roberts RL,Barbieri MA,Ullrich J,Stahl PD

更新日期：2000-11-01 00:00:00

abstract：:We compared the effects of live or inactivated bovine respiratory syncytial virus (BRSV) on cytokine production by bovine monocyte-derived dendritic cells (MoDC). We also investigated the response of resting memory CD4(+) T cells to MoDC exposed to both viral preparations. Although BRSV did not appear to replicate in ...

journal_title：Journal of leukocyte biology

authors： Werling D,Collins RA,Taylor G,Howard CJ

更新日期：2002-08-01 00:00:00

abstract：:Although class A type I/II scavenger receptor (SR-A) is involved in numerous macrophage functions, its signaling ability remains uncertain. We used monoclonal antibodies (mAb) to specifically stimulate receptors on mouse alveolar (AMs) and peritoneal macrophages (PMs). Immobilized anti-SR-A (2F8) and anti-FcgammaR II/...

journal_title：Journal of leukocyte biology

authors： Józefowski S,Kobzik L

更新日期：2004-11-01 00:00:00

abstract：:Immunosuppression is currently the treatment of choice to attenuate the chronic deterioration of tissue function as a result of the effector mechanisms of the immunological response in transplant rejection and autoimmune diseases. However, global immunosuppression greatly increases the risk of acquiring life-threateni...

journal_title：Journal of leukocyte biology

authors： del Rio ML,Lucas CL,Buhler L,Rayat G,Rodriguez-Barbosa JI

更新日期：2010-02-01 00:00:00

abstract：:Endocytic proteolysis represents a major functional component of the major histocompatibility complex class II antigen-presentation machinery. Although transport and assembly of class II molecules in the endocytic compartment are well characterized, we lack information about the pattern of endocytic protease activity ...

journal_title：Journal of leukocyte biology

authors： Lautwein A,Kraus M,Reich M,Burster T,Brandenburg J,Overkleeft HS,Schwarz G,Kammer W,Weber E,Kalbacher H,Nordheim A,Driessen C

更新日期：2004-05-01 00:00:00

abstract：:Granulocyte-macrophage colony-stimulating factor (GM-CSF) is a naturally occurring growth factor produced by several cell types in response to a variety of stimuli. GM-CSF has potent stimulatory effects on the growth and maturation of hematopoietic cells and has profound effects on mature circulating effector cells. C...

journal_title：Journal of leukocyte biology

authors： Hill AD,Naama HA,Calvano SE,Daly JM

更新日期：1995-12-01 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：:THP-1-derived cell lines were stably transfected with constructs encoding glycophosphatidylinositol (GPI)-anchored or transmembrane forms of human CD14. CD14 expression was associated with enhanced phagocytosis of serum (heat-inactivated)-opsonized Escherichia coli (opEc). Both the GPI-anchored and transmembrane forms...

journal_title：Journal of leukocyte biology

authors： Schiff DE,Kline L,Soldau K,Lee JD,Pugin J,Tobias PS,Ulevitch RJ

更新日期：1997-12-01 00:00:00

abstract：:Human peritoneal macrophages (HPM) obtained via laparoscopy were examined for the presence and functional capacity of complement and Fc receptors. Between 5 and 20 ml of peritoneal fluid containing 1-2 X 10(6) macrophages/ml was available for each study. Macrophages made up 80-95% of the cells in the fluid. Fc and C3 ...

journal_title：Journal of leukocyte biology

authors： Newman SL,Becker S,Halme J

更新日期：1985-08-01 00:00:00

abstract：:IL-18 has a potential to up-regulate the Th1 and Th2 immune responses. It is known that IL-18, in synergy with IL-12, augments the Th1 response to bacterial infections, but it also augments the Th2 response to allergic disorders in the absence of IL-12. Although the Th1 and Th2 immune responses cross-regulate each oth...

journal_title：Journal of leukocyte biology

authors： Kinoshita M,Miyazaki H,Ono S,Seki S

更新日期：2013-05-01 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：:We have characterized the beta-adrenergic receptor binding site and the beta-adrenergic cAMP response of the HL-60 cell. The hydrophilic ligand [3H]-(-)-CGP-12177 was specifically and reversibly bound to one single class of binding sites (Kd 220 pM and Bmax 1,970 sites/cell). The adrenergic agonists inhibited the spec...

journal_title：Journal of leukocyte biology

authors： Sager G,Bang BE,Pedersen M,Aarbakke J

更新日期：1988-07-01 00:00:00

abstract：:HIV is known to subvert cellular machinery to enhance its replication. Recently, HIV has been reported to enhance TC renin expression. We hypothesized that HIV induces and maintains high renin expression to promote its own replication in TCs. Renin enhanced HIV replication in TCs in a dose-dependent manner. (P)RR-defi...

journal_title：Journal of leukocyte biology

authors： Chandel N,Ayasolla K,Lan X,Rai P,Mikulak J,Husain M,Malhotra A,McGowan J,Singhal PC

更新日期：2014-10-01 00:00:00

abstract：:Leukocytes are a central cellular element of innate-immune defense in mammals. In addition to the generation of toxic oxygen radicals and nitric oxide, leukocytes express and secrete a broad array of antimicrobial proteins and peptides. In the study, an antimicrobial polypeptide was isolated and purified from human pe...

journal_title：Journal of leukocyte biology

authors： Feng Y,Huang N,Wu Q,Wang B

更新日期：2005-11-01 00:00:00

abstract：:Neutrophils are quickly recruited to tissues in response to proinflammatory cues; however, little is known about tissue neutrophil phenotypes in health. We employ a multicolor flow cytometric approach to assess surface markers of activation on neutrophils from the bone marrow, blood, peritoneum, spleen, liver, fat, co...

journal_title：Journal of leukocyte biology

authors： Chadwick JW,Fine N,Khoury W,Tasevski N,Sun CX,Boroumand P,Klip A,Glogauer M

更新日期：2020-11-04 00:00:00

abstract：:HIV infection results in depletion and dysfunction of naïve CD4(+) T cells. The mechanisms underlying these deficiencies are not understood. We investigated the frequencies of CD4(+) naïve subsets in HIV disease as defined by expression of CD25 and/or FoxP3 and the relationship of these frequencies to naïve T cell pro...

journal_title：Journal of leukocyte biology

authors： Rodriguez B,Bazdar DA,Funderburg N,Asaad R,Luciano AA,Yadavalli G,Kalayjian RC,Lederman MM,Sieg SF

更新日期：2011-09-01 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：:Although HDPs were originally hypothesized to act as antimicrobial agents, they also have been shown to broadly modulate the immune response through the activation of different cell types. We recently developed a series of novel, synthetic peptides, termed IDRs, which are conceptually based on a natural HDP, bovine ba...

journal_title：Journal of leukocyte biology

authors： Niyonsaba F,Madera L,Afacan N,Okumura K,Ogawa H,Hancock RE

更新日期：2013-07-01 00:00:00

abstract：:Vertebrate lectin purified from loach egg was tested for induction of tumor lysis mediated by macrophages. Loach egg lectin lysed tumor cells but not normal spleen cells in cooperation with BCG- or glucan (TAK)-elicited peritoneal macrophages of mice. Corynebacterium parvum-, OK432-, glycogen-, lipopolysaccharide-elic...

journal_title：Journal of leukocyte biology

authors： Yamazaki M,Okutomi T,Sakakibara F,Kawauchi H,Mizuno D

更新日期：1984-03-01 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：:The Fanconi anemia proteins participate in a canonical pathway that repairs cross-linking agent-induced DNA damage. Cells with inactivated Fanconi anemia genes are universally hypersensitive to such agents. Fanconi anemia-deficient hematopoietic stem cells are also hypersensitive to inflammatory cytokines, and, as imp...

journal_title：Journal of leukocyte biology

authors： Garbati MR,Hays LE,Rathbun RK,Jillette N,Chin K,Al-Dhalimy M,Agarwal A,Newell AE,Olson SB,Bagby GC Jr

更新日期：2016-03-01 00:00:00