abstract：:We infected umbilical cord blood lymphocytes (CBL) with EBV in vitro. Analysis of the cell population in 3- and 6-day-old cultures showed a relative increase of B cells and outgrowth of B cells after prolonged culture period. The immunomodulator PSK was added to parallel cultures. In these cultures, B cell growth was ...

journal_title：Immunology letters

authors： Liu A,Klein G,Bandobashi K,Klein E,Nagy N

更新日期：2002-03-01 00:00:00

abstract：:Mimotopes derived from peptide phage display libraries may reproduce basic functions of epitopes including their antigenicity. In case of toxins, this property makes phage displayed mimotopes highly specific vaccine components free of the toxicity. To explore the potential of mimotopes for vaccine development, their a...

journal_title：Immunology letters

authors： Hernández R,Gazarian TG,Hérion PS,Gazarian KG

更新日期：2002-02-01 00:00:00

abstract：:In the present investigations we aimed to study the effect of Shigella sonnei lipopolysaccharide (LPS) on delayed type hypersensitivity (DTH) to non-bacterial antigen in CBA mice. These experiments showed that intraperitoneal injection of phenol-water extracted LPS and avirulent S. sonnei did not affect the level of D...

journal_title：Immunology letters

authors： Vikström EV

更新日期：2002-01-01 00:00:00

abstract：:Recombinant gp120 of the HIV-1(IIIB) isolate (BH10 clone) has been mutated to form the PR12 protein with the first 74 C-terminal amino acids and the V1, V2 and V3 hypervariable loops deleted. A variety of studies have shown that the CD4 binding domain (CD4bd) is very well exposed in PR12 in contrast to rgp120(LAI). Us...

journal_title：Immunology letters

authors： Jeffs SA,Gorny MK,Williams C,Revesz K,Volsky B,Burda S,Wang XH,Bandres J,Zolla-Pazner S,Holmes H

更新日期：2001-12-03 00:00:00

abstract：:Accumulating evidence has demonstrated the importance of cytotoxic T lymphocytes (CTLs) and helper T lymphocytes in controlling HIV-1 replication. We have elicited immune responses in rhesus monkeys utilizing DNA vaccines augmented by the administration of IL-2/Ig, a fusion protein consisting of interleukin-2 and the ...

journal_title：Immunology letters

authors： Barouch DH,Fu TM,Montefiori DC,Lewis MG,Shiver JW,Letvin NL

更新日期：2001-11-01 00:00:00

abstract：:Over the last two decades HIV-1 has spread worldwide and has now surpassed malaria as the leading cause of infectious disease mortality in adults (http://www.who.int/infectious-disease-report/pages/ch1text.html). The clinical course and outcome of HIV-1 infection are highly variable among individuals. Most individuals...

journal_title：Immunology letters

authors： Carrington M,Nelson G,O'Brien SJ

更新日期：2001-11-01 00:00:00

abstract：:Vogt-Koyanagi-Harada disease is an autoimmune systemic disorder. In Vogt-Koyanagi-Harada disease, inflammatory disorders occur in multiple organs containing melanocytes, including uvea (resulting in acute bilateral panuveitis), skin (resulting in vitiligo and alopecia), central nervous system (resulting in meningitis)...

journal_title：Immunology letters

authors： Yamada K,Senju S,Shinohara T,Nakatsura T,Murata Y,Ishihara M,Nakamura S,Ohno S,Negi A,Nishimura Y

更新日期：2001-10-01 00:00:00

abstract：:DC are unique antigen presenting cells, and their ability to induce proliferation of T cells in a mixed leukocyte reaction (MLR) assay is commonly used for the evaluation of their function. To determine the mechanisms involved in DC-induced T cell activation in a primary MLR assay, a variety of different agents were e...

journal_title：Immunology letters

authors： Tourkova IL,Yurkovetsky ZR,Shurin MR,Shurin GV

更新日期：2001-09-03 00:00:00

abstract：:Pretreatment with interleukin (IL)-10 inhibited the release of growth-related oncogene GRO-alpha but not of epithelial-cell derived neutrophil activating protein (ENA)-78, after injection of lipopolysaccharide (LPS) into healthy humans. In vitro, IL-10 dose-dependently attenuated LPS-induced release of both GRO-alpha ...

journal_title：Immunology letters

authors： Olszyna DP,Pajkrt D,van Deventer SJ,van der Poll T

更新日期：2001-08-01 00:00:00

abstract：:Much evidence indicates that atherosclerotic lesions are largely of an inflammatory nature. Activated macrophages and macrophage-derived foam cells laden with cholesterol esters are a major constituent of these lesions and can influence lesion formation via several potential mechanisms. One such mechanism is Fcgamma r...

journal_title：Immunology letters

authors： Ratcliffe NR,Kennedy SM,Morganelli PM

更新日期：2001-07-02 00:00:00

abstract：:Mouse spleen cells were activated with IL2 for 4 days in the presence or absence of paraformaldehyde fixed YAC (PFY) tumor cells (spleen cell: PFY ratio 100:1). Fresh spleen cells had poor expression of Ly49A but the expression was significantly upregulated by IL2 activation. Addition of PFYs resulted in a further boo...

journal_title：Immunology letters

authors： Das A,Saxena RK

更新日期：2001-06-01 00:00:00

abstract：:The human factor H protein family comprises six plasma glycoproteins. Earlier we described a membranal factor H-related (mFHR) molecule that is expressed by human B lymphoblastoid cell lines and exerts cofactor activity. In our present study we screened human blood cells for the presence of mFHR proteins and further c...

journal_title：Immunology letters

authors： Józsi M,Kapus A,Kerekes K,Kármán J,Bajtay Z,Zipfel PF,Erdei A

更新日期：2001-05-01 00:00:00

abstract：:Inflammation elicits an acute phase response, which includes changes in plasma concentrations of a number of cytokines, reflecting changes in their gene transcription in the liver. In this study, the induction of complement factor 3 (C3) was investigated in HepG2 cells, a human hepatoma cell line often used as a model...

journal_title：Immunology letters

authors： Wright MS,Sund NJ,Abrahamsen TG

更新日期：2001-03-01 00:00:00

abstract：:The cell-surface glycoproteins encoded by the major histocompatibility complex (MHC) bind to processed foreign antigens and present them to T lymphocytes. Two classes of MHC molecules and their corresponding gene sequences have been extensively studied in eutherian mammals and birds, but data on the marsupial MHC are ...

journal_title：Immunology letters

authors： Lam MK,Belov K,Harrison GA,Cooper DW

更新日期：2001-02-01 00:00:00

abstract：:Type I Diabetes mellitus (DM1) is the effect of T cell dependent autoimmune destruction of insulin producing beta cells in the pancreas islet. T cells are activated in response to islet dominant autoantigens, the result being the development of DM1. Insulin is one of the islet autoantigens responsible for activation o...

journal_title：Immunology letters

authors： Tchórzewski H,Głowacka E,Banasik M,Lewkowicz P,Szałapska-Zawodniak M

更新日期：2001-01-15 00:00:00

abstract：:Based on the fact that monoclonal antibody (mAb) 2F5 recognizing ELDKWA-epitope on HIV-1 gp41 separately or in combination with other mAbs showed potent neutralizing activity to a wide range of primary HIV-1 isolates in vivo and in vitro, but this epitope undergoes restricted mutation. ELNKWA is a neutralizing-resista...

journal_title：Immunology letters

authors： Dong XN,Xiao Y,Chen YH

更新日期：2001-01-01 00:00:00

abstract：:Interleukin-18 (IL-18) plays a central role in the immune response by acting on Th1 cell differentiation, cell-mediated cytotoxicity and inflammation. The role of IL-18 in cancers and inflammatory diseases is discussed in the light of our investigations on IL-18 synthesis in normal colonic mucosa, colonic cancer and C...

journal_title：Immunology letters

authors： Pages F,Berger A,Lebel-Binay S,Zinzindohoue F,Danel C,Piqueras B,Carriere O,Thiounn N,Cugnenc PH,Fridman WH

更新日期：2000-12-01 00:00:00

abstract：:The contribution of T cell precursors from the thymus and the bone marrow to the pool of intestinal intraepithelial lymphocvtes (IELs) has been studied in a system using donor cells from enhanced-green fluorescent protein (EGFP+ ) transgenic mice a doptively transferred into EGFP- recipient mice. Consistent with previ...

journal_title：Immunology letters

authors： Bagriacik EU,Okabe M,Klein JR

更新日期：2000-12-01 00:00:00

abstract：:A quantitative approach was applied to the study of in vivo expression of foreign genes introduced into mice by ballistic transfection. Because in some cases one must take into account both the level of synthesized protein and that of antibodies to it, we derived the equation which allows to calculate the exact quanti...

journal_title：Immunology letters

authors： Rodin DV,Kolesnikov VA,Zelenina IA,Zelenin AV,Deyev SM

更新日期：2000-11-01 00:00:00

abstract：:The antibody (Ab) response induced by DNA-based immunization was compared in various strains of inbred, H-2 congenic and outbred mice with different haplotypes of mouse major histocompatibility complex (H-2). Two different plasmid expression vectors encoding Aequorea victoria green fluorescent protein (GFP) or Escheri...

journal_title：Immunology letters

authors： Ito K,Takeuchi Y,Ito K,Kato S

更新日期：2000-11-01 00:00:00

abstract：:Liposome-encapsulated conalbumin (L(conalbumin)) is an antigen that is efficiently phagocytosed by bone marrow-derived macrophages and presented to effector cells as part of the major histocompatibility complex (MHC) class I complex. In this report, we show that the conalbumin component of L(conalbumin) is degraded to...

journal_title：Immunology letters

authors： Rothwell SW,Wassef NM,Alving CR,Rao M

更新日期：2000-10-03 00:00:00

abstract：:Melanoma is a prototype of immunogenic tumor to which various types of immunotherapy have been applied extensively over the past decades. Melanoma vaccines are designed for the purpose of immune modulation and subsequent anti-tumor effects in the process of an active specific immunotherapy. Previous attempts of these ...

journal_title：Immunology letters

authors： Schadendorf D,Paschen A,Sun Y

更新日期：2000-09-15 00:00:00

abstract：:We have recently generated CD4 clones from BALB/c mice immunized with a plasmid DNA containing the gene encoding for the catalytic domain of trans-sialidase, an important enzyme expressed on the surface of Trypanosoma cruzi trypomastigotes. These clones allowed us to study in vitro the interaction between T cells and ...

journal_title：Immunology letters

authors： Rodrigues MM,Ribeirão M,Boscardin SB

更新日期：2000-07-03 00:00:00

abstract：:Transforming growth factor-beta (TGF-beta) is usually known as an immunosuppressive cytokine, but we and others have shown stimulatory effects of TGF-beta on activation of Th2 T-lymphocytes. In the present investigation we have studied the effect of TGF-beta1 on phosphorylation of ERK, a MAP-kinase downstream of the R...

journal_title：Immunology letters

authors： Schiött A,Sjögren HO,Lindvall M

更新日期：2000-06-01 00:00:00

abstract：:In order to study the effect of interferon alpha on the levels of acute phase complement proteins in vivo, serum concentrations of C9 and C1-inhibitor (C1-INH) were measured in patients with chronic hepatitis C before and 3 months after the beginning of interferon alpha2b therapy. Serum levels of the activation produc...

journal_title：Immunology letters

authors： Bíró L,Varga L,Pár A,Nemesánszky E,Csepregi A,Telegdy L,Ibrányi E,Dávid K,Horváth G,Szentgyörgyi L,Nagy I,Dalmi L,Abonyi M,Füst G,Horányi M

更新日期：2000-05-01 00:00:00

abstract：:Silicosis is clinically characterized not only by respiratory disorders but by immunological abnormalities such as the appearance of autoantibodies and complications of autoimmune diseases. Dysregulation of apoptosis, particularly in the Fas/Fas ligand (FasL) pathway, has been considered to play a role in the pathogen...

journal_title：Immunology letters

authors： Otsuki T,Sakaguchi H,Tomokuni A,Aikoh T,Matsuki T,Isozaki Y,Hyodoh F,Kawakami Y,Kusaka M,Kita S,Ueki A

更新日期：2000-05-01 00:00:00

abstract：:The present study was conducted to investigate the mode of cell death of bone marrow cells (BMC) treated in vivo or in vitro with gangliosides (DLG) derived from a T cell lymphoma, designated as Dalton's lymphoma (DL). BMC undergoing cell death showed morphological features characteristic to apoptosis such as cell shr...

journal_title：Immunology letters

authors： Bharti AC,Singh SM

更新日期：2000-04-03 00:00:00

abstract：:Many types of cells in the immune system have been found to produce nitric oxide (NO), which performs multiplex functions. However, in myelin basic protein peptide 68-86 (MBP 68-86)-induced experimental autoimmune encephalomyelitis (EAE) in Lewis rats, we found that elevated NO production was generated from spleen cel...

journal_title：Immunology letters

authors： Xu L,Yang J,Huang Y,van der Meide PH,Levi M,Wahren B,Link H,Xiao B

更新日期：2000-03-01 00:00:00

abstract：:We studied CD10 Ag of neutral endopeptidase (NEP) and CD13 Ag of aminopeptidase N (APN) expression on peripheral blood mononuclear cells (PBMC) as cells activation markers and for their transendothelial migration properties in three groups of MS patients (total 58); with acute exacerbation of MS (n = 18), primary prog...

journal_title：Immunology letters

authors： Ziaber J,Baj Z,Paśnik J,Chmielewski H,Tchórzewski H

更新日期：2000-02-01 00:00:00

abstract：:Cysticercosis caused by Taenia solium is a very common disease in developing countries that seriously affects human health. Diagnosis can only be confirmed with the aid of computerized tomography or nuclear magnetic resonance (NMR) creating obvious difficulties for epidemiological studies. Reliable immunoassays employ...

journal_title：Immunology letters

authors： Hernández M,Beltrán C,García E,Fragoso G,Gevorkian G,Fleury A,Parkhouse M,Harrison L,Sotelo J,Sciutto E

更新日期：2000-01-10 00:00:00

abstract：:To monitor genetically-controlled cytokine-producing ability in mice in vitro, we developed a high-density cell culture system, which is preferable for inducing CD4+ T cell-dependent self-priming responses without any antigenic stimulation. When BALB/c spleen cells were cultured at high density (over 1.0 x 10(7) cells...

journal_title：Immunology letters

authors： Sato M,Iwakabe K,Ohta A,Sekimoto M,Kimura S,Nishimura T

更新日期：1999-12-01 00:00:00

abstract：:The regulatory effect of Z-100 on the balance of Th1/Th2 cell responses in BALB/c mice bearing Meth-A fibrosarcoma was investigated. In tumor bearing mice, Th1 cytokine production (IL-2, IFN-gamma) are suppressed and Th2 cytokine production (IL-4, IL-10) are increased, as compared with those of normal mice. The admini...

journal_title：Immunology letters

authors： Oka H,Emori Y,Ohya O,Kobayashi N,Sasaki H,Tanaka Y,Hayashi Y,Nomoto K

更新日期：1999-11-01 00:00:00

abstract：:As shown earlier, the cells transformed in vitro by several different oncogenes, or spontaneously, during in vivo growth in normal hosts would be gradually replaced by the highly-tumorigenic descendants co-expressing high H2O2-catabolizing and PGE2-releasing activities. Acquisition of (H2O2(CA) + PGE(S)) phenotype pro...

journal_title：Immunology letters

authors： Deichman G,Dyakova N,Kashkina L,Matveeva V,Uvarova E

更新日期：1999-10-01 00:00:00

abstract：:Sequence-comparison indicates existing sequence-similarity between receptor-binding regions of human type 1 IFNs (IFN-alpha, -beta and -omega) and HIV-1 gp41. Previous findings had suggested that the increased levels of antibodies against human IFN-alpha and -beta in HIV-1-infected individuals are associated with a co...

journal_title：Immunology letters

authors： Chen YH,Wu W,Yang J,Sui SF,Sun J,Dierich MP

更新日期：1999-08-03 00:00:00

abstract：:Recent data suggests that autoimmune factors play an important role in the pathogenesis of atherosclerosis. In this context several autoantigens have been shown to elicit an immune response that results in accelerated atherosclerotic plaque formation. In the present study, we investigated whether elevated titers of an...

journal_title：Immunology letters

authors： George J,Harats D,Bakshi E,Adler Y,Levy Y,Gilburd B,Shoenfeld Y

更新日期：1999-06-01 00:00:00

abstract：:The aim of this work was to raise allotype specific monoclonal antibodies to human CD45, with the long-term objective of producing a reagent which could be used to prolong graft survival in renal transplantation through removal of passenger leukocytes from the graft. At present there are no anti-CD45 monoclonal antibo...

journal_title：Immunology letters

authors： Dean GS,Aspinall R

更新日期：1999-06-01 00:00:00

abstract：:Myelin basic protein (MBP), is a major component of the central nervous system (CNS) myelin. MBP can stimulate T cells that migrate into the CNS, initiating a cascade of events that result in perivascular infiltration and demyelination. EAE is an inflammatory and demyelinating autoimmune disease of the CNS that serves...

journal_title：Immunology letters

authors： Brenner T,Steinberger I,Soffer D,Beraud E,Ben-Nun A,Lorberboum-Galski H

更新日期：1999-06-01 00:00:00

abstract：:ITIM-bearing receptors, a family which only recently has been recognized, play a key role in the regulation of the ITAM-induced activation of immune competent cells. The mechanism of ITM-mediated regulation in various cells was recently clarified. The present review focuses on ITIM bearing membrane proteins that negat...

journal_title：Immunology letters

authors： Gergely J,Pecht I,Sármay G

更新日期：1999-05-03 00:00:00

abstract：:Even though IgA is considered to play an important role in immunity, surprisingly little is known about the presence of IgA Fc receptor (Fc alpha R)-expressing effector cells in tissues. Difficulties in obtaining human tissue macrophages, led us to study peritoneal macrophages in a human Fc alpha RI transgenic (Tg) mo...

journal_title：Immunology letters

authors： van Egmond M,Hanneke van Vuuren AJ,van de Winkel JG

更新日期：1999-05-03 00:00:00

abstract：:Many details in the expression pattern of Epstein-Barr virus (EBV)-encoded proteins, their role in blast and growth transformation in infected B lymphocytes are known, but 'black holes' still exist. The two main types of virus-B lymphocyte interactions are denoted as Type I and Type III. These are characterized by the...

journal_title：Immunology letters

authors： Klein E,Teramoto N,Gogolák P,Nagy N,Björkholm M

更新日期：1999-05-03 00:00:00