T cell responses are governed by avidity and co-stimulatory thresholds.

abstract：:The present study was designed to elucidate the role of Valpha14(+) NKT cells in the host defense against pulmonary infection with Streptococcus pneumoniae using Jalpha281 gene-disrupted mice (Jalpha281KO mice) that lacked this lymphocyte subset. In these mice, pneumococcal infection was severely exacerbated, as shown...

journal_title：European journal of immunology

authors： Kawakami K,Yamamoto N,Kinjo Y,Miyagi K,Nakasone C,Uezu K,Kinjo T,Nakayama T,Taniguchi M,Saito A

更新日期：2003-12-01 00:00:00

abstract：:High-dose infusion of IgG (IVIG) is used to treat autoimmune and inflammatory diseases, including Kawasaki disease (KD). Although the immunomodulatory effects of IVIG on blood cells such as macrophages have been well studied, its effects on tissue cells remain unclear. Here, we show that high-dose IgG specifically and...

journal_title：European journal of immunology

authors： Matsuda A,Morita H,Unno H,Saito H,Matsumoto K,Hirao Y,Munechika K,Abe J

更新日期：2012-08-01 00:00:00

abstract：:Acute P. falciparum malaria is associated with loss of in vitro T cell responsiveness to antigenic stimulation, and with high plasma levels of soluble interleukin 2 receptor (IL 2R). In the present study peripheral T cells from acute P. falciparum malaria patients from a malaria-endemic area of Sudan were analyzed for...

journal_title：European journal of immunology

authors： Hviid L,Theander TG,Abdulhadi NH,Abu-Zeid YA,Bayoumi RA,Jensen JB

更新日期：1991-05-01 00:00:00

abstract：:Physical exercise, mental stress, or infusion of beta-adrenergic agonists result in an increase in the number of natural killer (NK) cells in the peripheral circulation. In view of the specific migration pattern of NK cells in vivo, it has been suggested that these cells may be released from the marginating pool in bl...

journal_title：European journal of immunology

authors： Benschop RJ,Oostveen FG,Heijnen CJ,Ballieux RE

更新日期：1993-12-01 00:00:00

abstract：:Alpha4-mediated signaling is involved in a variety of functions in mammalian cells. To determine whether this is true for immunocompetent cells, we generated mutant (Lck-alpha4-) mice in which the alpha4 gene was deleted in a T cell-specific manner using the Cre/loxP system. These mice showed impaired early T cell dev...

journal_title：European journal of immunology

authors： Hua DR,Inui S,Yamashita T,Maeda K,Takagi K,Takeda J,Sakaguchi N

更新日期：2003-07-01 00:00:00

abstract：:The molecular mimicry represented by cross-recognition of determinants shared by unrelated antigens by antibodies or T cells is of broad immunological interest. In this study, we analyzed the cross-recognition by CD4+ T cells of a peptide epitope shared by two mycobacterial proteins of diverse sequence, represented by...

journal_title：European journal of immunology

authors： Harris DP,Vordermeier HM,Singh M,Moreno C,Jurcevic S,Ivanyi J

更新日期：1995-11-01 00:00:00

abstract：:Human peripheral blood mononuclear leukocytes (PBL) cocultured with WISH human amnion cells rapidly produced alpha-type interferon (IFN-alpha) and in an IFN-dependent manner protected the WISH cells against the cytopathic effects caused by vesicular stomatitis virus. When the number of PBL per WISH cell monolayer cult...

journal_title：European journal of immunology

authors： Rönnblom L,Alm GV

更新日期：1982-05-01 00:00:00

abstract：:Acute inflammatory activation of macrophages by Toll-like and related receptors is characterized by transient activation of MAPK-, NF-κB- and IRF-mediated signaling pathways and expression of pro-inflammatory genes. This activation state is inherently unstable and often transitions into a state of 'tolerance' characte...

journal_title：European journal of immunology

authors： Ivashkiv LB

更新日期：2011-09-01 00:00:00

abstract：:Dopamine by itself has not up to now been reported to activate T cell function. We show here that dopamine interacts directly with dopaminergic receptors on normal human T cells and triggers beta1 integrin-mediated T cell adhesion to a major extracellular matrix component, fibronectin (FN). Such adhesion is a characte...

journal_title：European journal of immunology

authors： Levite M,Chowers Y,Ganor Y,Besser M,Hershkovits R,Cahalon L

更新日期：2001-12-01 00:00:00

abstract：:The present study demonstrates that the C3b receptor CR1 (CD35) and the C3dg/Epstein-Barr virus receptor CR2 (CD21) are expressed by 25% and 70% of normal human thymocytes, respectively. The expression of CR2 extends to both CD1+ and CD1- cells in the thymus. Two subsets of CR2+ thymocytes were defined expressing low ...

journal_title：European journal of immunology

authors： Delibrias CC,Mouhoub A,Fischer E,Kazatchkine MD

更新日期：1994-11-01 00:00:00

abstract：:The thymus provides the microenvironment in which thymocytes develop into mature T cells, and interactions with thymic stromal cells are thought to provide the necessary signals for thymocyte maturation. Recognition of self-MHC by T cells is a basic requirement for mature T-cell functions, and those thymocytes that do...

journal_title：European journal of immunology

authors： Szondy Z,Garabuczi É,Tóth K,Kiss B,Köröskényi K

更新日期：2012-07-01 00:00:00

abstract：:The multimeric Fc gamma RIIIA (CD16) complex is expressed on the surface of natural killer (NK) cells and is composed of a 50-70-kDa transmembrane glycoprotein Fc gamma receptor (CD16), the T cell receptor (TCR)-zeta chain, and the Fc epsilon RI gamma chain. Cross-linking Fc gamma RIIIA initiates the rapid tyrosine ph...

journal_title：European journal of immunology

authors： Cone JC,Lu Y,Trevillyan JM,Bjorndahl JM,Phillips CA

更新日期：1993-10-01 00:00:00

abstract：:The effects of vasoactive intestinal peptide (VIP) on human IgA1 and IgA2 production were studied. In unfractionated small resting B cells stimulated with anti-CD40 monoclonal antibody (mAb), VIP induced IgA1 and IgA2 production without affecting the production of IgG1, IgG2, IgG3, IgG4, IgM, or IgE. When small B cell...

journal_title：European journal of immunology

authors： Kimata H,Fujimoto M

更新日期：1994-09-01 00:00:00

abstract：:The recognition of lipid antigens by T cells is a complex and fascinating phenomenon. The MHC-like molecules of the CD1 family have evolved to present a wide variety of both self and foreign lipids for recognition by T-cell receptors. While much progress has been made in our understanding of the NKT cells that recogni...

journal_title：European journal of immunology

authors： Young MH,Gapin L

更新日期：2011-03-01 00:00:00

abstract：:Many pathogens are initially encountered in the gut, where the decision is made to mount an immune response or induce tolerance. The mesentric lymph node (mLN) has been shown to be involved in immune response and much more in oral tolerance induction. Furthermore, using an in vivo transplantation model, we showed rece...

journal_title：European journal of immunology

authors： Buettner M,Pabst R,Bode U

更新日期：2011-03-01 00:00:00

abstract：:The ligand for the B cell surface antigen CD40 was recently cloned from a murine thymoma cDNA library and shown to be expressed on activated T cells. In this study, we investigate the biological effects of murine recombinant CD40 ligand. The recombinant CD40 ligand expressed on the CV-1/EBNA monkey fibroblast cell lin...

journal_title：European journal of immunology

authors： Maliszewski CR,Grabstein K,Fanslow WC,Armitage R,Spriggs MK,Sato TA

更新日期：1993-05-01 00:00:00

abstract：:Two subpopulations of human T lymphocytes expressing different antigen receptors, alpha/beta and gamma/delta, emigrate into inflamed tissues in distinctive patterns. We compared the transmigration of alpha/beta and gamma/delta T cells to C-C and C-X-C chemokines using an in vitro transendothelial chemotaxis assay. The...

journal_title：European journal of immunology

authors： Roth SJ,Diacovo TG,Brenner MB,Rosat JP,Buccola J,Morita CT,Springer TA

更新日期：1998-01-01 00:00:00

abstract：:Multiple myeloma is a fatal B cell malignancy characterized by the accumulation of plasma cells within the bone marrow. IL-6 is a major survival factor for myeloma cells. Bcl-2 protein family regulates pathways to apoptosis that are activated upon growth factor deprivation. Pro-apoptotic proteins that have only a sing...

journal_title：European journal of immunology

authors： Gomez-Bougie P,Bataille R,Amiot M

更新日期：2004-11-01 00:00:00

abstract：:Development of Th1 and Th2 effector lymphocytes is driven primarily by IL-12 or IL-4, but is also influenced by the strength of antigenic stimulation. However, the mechanism by which TCR signaling contributes to T cell polarization remains elusive. We show that in the presence of IL-12 a short TCR stimulation can lead...

journal_title：European journal of immunology

authors： Iezzi G,Scotet E,Scheidegger D,Lanzavecchia A

更新日期：1999-12-01 00:00:00

abstract：:Considering the role of interleukin-8 (IL-8) in a large number of acute and chronic inflammatory diseases, the regulation of IL-8-mediated biological responses is important. Alpha-melanocyte-stimulating hormone (alpha-MSH), a tridecapeptide, inhibits most forms of inflammation by an unknown mechanism. In the present s...

journal_title：European journal of immunology

authors： Manna SK,Sarkar A,Sreenivasan Y

更新日期：2006-03-01 00:00:00

abstract：:The murine T cell response to heterologous insulins provides a good model system for studying the mechanism of immune response (Ir)-gene function, since insulin is a small, chemically well-defined molecule. H-2b mice respond predominantly to A chain loop determinants of beef insulin, presented by the I-A epitope Ia. W...

journal_title：European journal of immunology

authors： Huber BT,Hochman PS

更新日期：1984-12-01 00:00:00

abstract：:We have developed a long-term culture system using the murine bone marrow stromal cells MS-5 to support the growth of progenitor B cells with CD34-, CD10+, CD19+, and cytoplasmic mu chain (C mu)-negative surface phenotype from human CD34+ cells purified from umbilical cord blood (CB). When 10(3) CD34+ cells/well were ...

journal_title：European journal of immunology

authors： Nishihara M,Wada Y,Ogami K,Ebihara Y,Ishii T,Tsuji K,Ueno H,Asano S,Nakahata T,Maekawa T

更新日期：1998-03-01 00:00:00

abstract：:Cofilin, an actin-depolymerizing protein, is essential for the functional dynamics of the actin cytoskeleton and for cell viability. In unstimulated human peripheral blood T lymphocytes cofilin is phosphorylated and localized in the cytoplasm. Following co-stimulation through accessory receptors (e.g. CD2 or CD28) - h...

journal_title：European journal of immunology

authors： Ambach A,Saunus J,Konstandin M,Wesselborg S,Meuer SC,Samstag Y

更新日期：2000-12-01 00:00:00

abstract：:P-glycoprotein (P-gly) is the transmembrane efflux pump responsible for multidrug resistance in tumor cells. The activity of P-gly in mature peripheral lymphocytes is lineage specific, with CD8+ T cells and natural killer (NK) cells expressing high levels as compared to CD4+ T cells and B cells. We have now investigat...

journal_title：European journal of immunology

authors： MacDonald HR,Bommhardt U,Cerottini JC

更新日期：1995-05-01 00:00:00

abstract：:Previous studies from our laboratory have shown that prolonged exposure of mouse macrophages to IFN-beta interferes with their subsequent ability to become activated for tumor cell killing. Data reported here show that such inhibition is due to reduced production of NO, resulting from decreased transcription of the ge...

journal_title：European journal of immunology

authors： Gao JJ,Filla MB,Lorsbach RB,Pace JL,Crespo A,Russell SW,Murphy WJ

更新日期：2000-06-01 00:00:00

abstract：:Naturally occurring CD4+CD25(high) regulatory T cells (nTreg) are essential for maintaining tolerance. FOXP3 has been established as a molecular marker of nTreg; however, FOXP3 cannot be used as a reliable marker for bona fide human nTreg since effector T cells also up-regulate FOXP3 expression upon activation. Despit...

journal_title：European journal of immunology

authors： Battaglia M,Roncarolo MG

更新日期：2009-12-01 00:00:00

abstract：:B cells isolated from germinal centers (GC) of immune mice 2-5 days after antigen (Ag) challenge migrate in response to chemotactic signals, whereas GC B cells isolated at other times and resting B cells do not. Since B cells are in direct contact with follicular dendritic cells (FDC) in GC we reasoned that FDC might ...

journal_title：European journal of immunology

authors： Burton GF,Kupp LI,McNalley EC,Tew JG

更新日期：1995-04-01 00:00:00

abstract：:Colony-stimulating factors are required for survival proliferation, differentiation and functional activation of granulocytes, macrophages and their precursor cells. In the present report, however, we demonstrate antiproliferative activity of recombinant human (rh) granulocyte-macrophage colony-stimulating factor (GM-...

journal_title：European journal of immunology

authors： Lindemann A,Riedel D,Oster W,Mertelsmann R,Herrmann F

更新日期：1988-03-01 00:00:00

abstract：:Tissue distribution and expression on mitogen and virally stimulated lymphocytes render the ACT35 molecule a human lymphocyte activation antigen which as yet could not be clustered. Expression cloning of the ACT35 antigen from a pCDM8 library of the HUT-102 cell line revealed strong homology of the cDNA and its encode...

journal_title：European journal of immunology

authors： Latza U,Dürkop H,Schnittger S,Ringeling J,Eitelbach F,Hummel M,Fonatsch C,Stein H

更新日期：1994-03-01 00:00:00

abstract：:The early-life immune environment has been implicated as a modulator of acute lymphoblastic leukemia (ALL) development in children, with infection being associated with significant changes in ALL risk. Furthermore, polymorphisms in several cytokine genes, including IL-10 and IFN-γ, are associated with leukemia develop...

journal_title：European journal of immunology

authors： Fidanza M,Seif AE,Jo S,Kariminia A,Rolf N,Sly LM,Grupp SA,Reid GSD

更新日期：2017-05-01 00:00:00