Abstract:
:In asymptomatic human immunodeficiency virus-1 infection T cells respond normally to allogeneic dendritic cells (DC), but DC show reduced stimulatory capacity. By contrast in HTLV-1 infection no significant changes in allogeneic stimulation were seen but DC-stimulated activity of autologous T cells. In seeking animal models relevant to these diseases the effects of two murine leukemia retroviruses, Rauscher leukemia virus (RLV) and Moloney leukemia virus (MLV) on the function of dendritic cells and T cells in a primary mixed leucocyte reaction have been tested. Treatment by RLV in vitro suppressed the ability of DC to stimulate allogeneic T cells from healthy animals. MLV at the same concentration did not significantly affect the ability of DC to stimulate allogeneic T cells, but provoked considerable enhancement of the low level stimulation by DC in the syngeneic system. Similar results were obtained following in vivo exposure to viruses. Two pieces of evidence suggested that these effects were due to impairment of DC function and were not operating through infection of T cells. Firstly, exposure of T cells directly to virus in vitro and in vivo before stimulation with untreated allogeneic DC caused no significant alteration in T cell activity. Secondly, the impact of murine leukemia virus on DC function was not abrogated when infected DC were added to normal T cells and cultured in the presence of zidovudine. Treatment of DC by RLV caused a decrease of cluster formation with allogeneic T cells. No statistically significant influence of MLV was observed on cluster formation after 3-h of incubation in the allogeneic system. However, after 18-h incubation MLV-treated DC formed fewer clusters with T cells than untreated DC. At the same time a stimulatory effect of MLV on DC cluster formation with syngeneic T cells was found. Considerable decrease was found in major histocompatibility complex class II antigen and LFA-1 receptor expression on the DC surface in mice infected by RLV. MLV induced no significant changes. These mouse retroviruses can therefore cause changes in DC function similar to those already reported using human retroviruses and may provide models for studying their effects.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Gabrilovich DI,Roberts MS,Harvey JJ,Botcherby M,Bedford PA,Knight SCdoi
10.1002/eji.1830231131subject
Has Abstractpub_date
1993-11-01 00:00:00pages
2932-8issue
11eissn
0014-2980issn
1521-4141journal_volume
23pub_type
杂志文章abstract::Although most cells of the T cell receptor (TcR) gamma/delta lineage are CD4-CD8-, some gamma/delta cells express CD8. We show here that mouse thymic gamma/delta cells express CD8 following in vitro activation by concanavalin A. Staining with monoclonal and polyclonal antibodies to the CD8 alpha (Ly-2) and CD8 beta (L...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830200431
更新日期:1990-04-01 00:00:00
abstract::GTPase immune-associated proteins (Gimap) genes encode evolutionarily conserved GTP-binding proteins that are preferentially expressed in immune cells. Specific members have been shown to be involved in lymphocyte development, or are associated with inflammatory and autoimmune diseases. However, the function of these ...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201344375
更新日期:2014-02-01 00:00:00
abstract::A T3 complex-bearing subpopulation was characterized within an in vivo cycling T4-8- early thymocyte compartment which contains cells constitutively expressing interleukin 2 and transferrin receptors. We show differentiation in vitro of both mature subsets of thymocytes (T3+4+8- and T3+4-8+) from the above T4-8- compa...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830160611
更新日期:1986-06-01 00:00:00
abstract::We have studied the role of murine eosinophils as antigen-presenting cells (APC). Eosinophils have several characteristics that support the hypothesis of its function as potential APC: they have phagocytic capacity, express adhesion molecules and major histocompatibility complex (MHC) class II antigens and can produce...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830220736
更新日期:1992-07-01 00:00:00
abstract::Bone marrow (BM) stromal cells are important in the development and maintenance of cells of the immune system. Using single cell RNA sequencing, we here explore the functional and phenotypic heterogeneity of individual transcriptomes of 1167 murine BM mesenchymal stromal cells. These cells exhibit a tremendous heterog...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201848053
更新日期:2019-09-01 00:00:00
abstract::The generation of effective type 1 T helper (Th1)-cell responses is required for immunity against intracellular bacteria. However, some intracellular bacteria require interleukin (IL)-17 to drive Th1-cell immunity and subsequent protective host immunity. Here, in a model of Mycobacterium bovis Bacille Calmette-Guerin ...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201141569
更新日期:2012-02-01 00:00:00
abstract::Ab-restricted, H-Y-specific T cell clones from C57BL/6 mice were found to use predominantly V beta 6 T cell receptor genes, conferring Mls-1a reactivity. However, the expression of Mls-1a as a self antigen in (DBA/2 x C57BL/6)F1 mice did not turn these mice into nonresponders to H-Y. Instead of V beta 6, they used oth...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830190322
更新日期:1989-03-01 00:00:00
abstract::Fourteen noncytotoxic human helper T cell clones were examined for autocrine proliferative responses and cytotoxicity to tumor cells after stimulation with 12-O-tetradecanoylphorbol 13-acetate (TPA) and ionomycin (Io). Although all clones responded to alloantigen, they could be divided into two groups based on their p...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830180729
更新日期:1988-07-01 00:00:00
abstract::The role of redox regulation in immune-mediated arthritis has been previously described. However, the relationship between innate immune cells, including innate lymphoid cells (ILCs) and phagocyte-derived ROS, in this process remains unclear. Here, we characterize ILCs and measure the IL-1 family cytokines along with ...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201948141
更新日期:2019-11-01 00:00:00
abstract::The nature of Ig receptors carried by lipopolysaccharide (LPS)-stimulated mouse spleen B cells was analyzed by surface iodination, direct antiserum precipitation and polyacrylamide gel electrophoresis. LPS activation led to a rapid decrease of surface IgD to 20 % and 80 % of the original level on days three and five o...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830070307
更新日期:1977-03-01 00:00:00
abstract::Retinoic acid (RA), which is the biologically active form of vitamin A, acts through the nuclear hormone receptor RAR (RA receptor) to induce either gene activation or repression. RA production and its effects have been linked to macrophages, dendritic cells, T and B cells, and iNKT cells in the immune system and play...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201242705
更新日期:2012-07-01 00:00:00
abstract::Dendritic cells (DC) were cultured from mouse bone marrow (BM) progenitors in low concentrations of granulocyte-macrophage colony-stimulating factor (GM-CSF) (GM(lo) DC) by two different protocols. The phenotype and functional properties of these GM(lo) DC were compared to those of standard BM-DC cultures generated in...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200007)30:7<1813::AID-IMMU1813>3
更新日期:2000-07-01 00:00:00
abstract::Bone morphogenetic proteins (BMP) are multifunctional cytokines that belong to the TGF-beta superfamily. BMP have been shown to regulate haematopoietic stem cells, B lymphopoiesis and early thymocyte differentiation. In the present study we explored the role of BMP-6 in Jurkat TAg cells. BMP-6 rapidly induced phosphor...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200636759
更新日期:2007-10-01 00:00:00
abstract::Human lamina propria lymphocytes were recovered from surgical specimens of unaffected large bowel and compared with peripheral blood lymphocytes (PBL) from the same individual. We investigated their capacities to respond to triggering stimuli delivered by mitogenic monoclonal antibodies directed at the T cell receptor...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830201025
更新日期:1990-10-01 00:00:00
abstract::NLRP3 inflammasome is a protein complex crucial to caspase-1 activation and IL-1β and IL-18 maturation. This receptor participates in innate immune responses to different pathogens, including the bacteria of genus Brucella. Our group recently demonstrated that Brucella abortus-induced IL-1β secretion involves NLRP3 in...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201848016
更新日期:2019-07-01 00:00:00
abstract::Accumulating evidence suggests that Th17 cells and Tregs may exhibit development plasticity and that CD4(+) Tregs can differentiate into IL-17-producing T cells; however, whether Th17 cells can reciprocally convert into Tregs has not been described. In this study, we generated Th17 clones from tumor-infiltrating T lym...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201040682
更新日期:2011-04-01 00:00:00
abstract::Nude mice given antigen before being given congenic T cells are specifically tolerant to that antigen and recovery of the ability to respond takes at least 2 weeks. If, after giving antigen, spleen cells are transferred to irradiated congenic recipients together with normal congenic thymocytes, the recipients usually ...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830050906
更新日期:1975-09-01 00:00:00
abstract::In this study we have investigated the specificity of bioassays in which interleukin (IL) 1 and/or IL 6 are active. The thymocyte assay cannot be used to discriminate between IL 1 and IL 6; both monokines are active in this assay. Moreover the detection limit for both IL 1 and IL 6 is around 100 pg/ml. IL 6 activity c...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830181010
更新日期:1988-10-01 00:00:00
abstract::Human peripheral blood T lymphocytes are stimulated to grow and divide by lectins such as concanavalin A (Con A) and Phaseolus vulgaris phytohemagglutinin (PHA), as well as a few anti-T cell monoclonal antibodies. The latter antibodies recognize the T3 antigen. It has been suggested previously that PHA and Con A media...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830150512
更新日期:1985-05-01 00:00:00
abstract::The 20S proteasome is a protease complex of functional importance for antigen processing. Two of the 14 proteasome subunits, delta and MB1, can be replaced by the major histocompatibility complex (MHC)-encoded and interferon-gamma (IFN-gamma)-inducible subunits LMP2 and LMP7, respectively. LMP2 and LMP7 alter the clea...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830260421
更新日期:1996-04-01 00:00:00
abstract::Cells of the innate immune system build immunological memory via epigenetic reprogramming after stimulations with microbial ligands. This functional readjustment allows for enhanced nonspecific inflammatory responses upon secondary challenges, a process termed "trained immunity." The epigenomic blueprint of trained mo...
journal_title:European journal of immunology
pub_type: 杂志文章,评审
doi:10.1002/eji.201545497
更新日期:2016-04-01 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
pub_type: 杂志文章
doi:10.1002/eji.1830231230
更新日期:1993-12-01 00:00:00
abstract::B cells in rabbit preferentially utilize the 3'-most VH gene, VH1, in VDJ genes. To determine whether the preferential utilization of VH1 results from preferential rearrangement, we examined VH gene usage in nonproductive VDJ gene rearrangements, genes that would not be influenced by antigen selection. Since nonproduc...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830250927
更新日期:1995-09-01 00:00:00
abstract::The inheritance of responsiveness to lipopolysaccharide (LPS), and of a marker recognized in LPS-reactive cells by a heterologous antiserum, was studied in crosses between C3H/HeJ (nonresponder) and C3H/Tif (high responder) mice. F1 hybrid mice show codominant expression of these traits: (a) LPS-reactive cells are onl...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830080113
更新日期:1978-01-01 00:00:00
abstract::The role of TGF-beta1 in the regulation of T cell responses has been perplexing, possibly because it is dependent on the type of T cell being regulated and its cytokine microenvironment. In the present study, we demonstrate that TGF-beta1 has a profound inhibitory effect on naive CD4+ T cell undergoing differentiation...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200007)30:7<2101::AID-IMMU2101>3
更新日期:2000-07-01 00:00:00
abstract::Collagen type II-induced arthritis (CIA) is an experimental model of arthritis that has been successfully used to dissect the pathogenesis of human rheumatoid arthritis and to identify potential therapeutic targets. We have used this model to evaluate the role of T cell co-stimulation in both disease development and p...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830261008
更新日期:1996-10-01 00:00:00
abstract::A large panel of T cell clones (TCC) specific for the recombinant form of Poa pratensis allergen (rKBG7.2 or Poa p9) were established from the peripheral blood of grass pollen-sensitive donor in the absence or presence of recombinant interferon-alpha (IFN-alpha) in bulk culture and their pattern of cytokine secretion,...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830260328
更新日期:1996-03-01 00:00:00
abstract::Membrane regulatory molecules normally prevent complement activation by autologous cells, therefore we compared the membrane control system of human lymphoid cell lines which activate or not human complement through the alternative pathway (AP). Membrane expression of decay-accelerating factor (DAF), membrane cofactor...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830201218
更新日期:1990-12-01 00:00:00
abstract::The genetic control of in vitro primary syngeneic sensitization on monolayers of thyroid epithelial cells was investigated both at the level of the responder lymphocytes and that of stimulator thyroid epithelial cells using congenic resistant strains of mice. It clearly appears that similar to the in vivo model of exp...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830131115
更新日期:1983-11-01 00:00:00
abstract::A major feature of the immature immune system in the newborn is its inability to produce significant levels of immunoglobulins other than IgM in response to antigens. It has recently been demonstrated that interaction of the CD40 molecule on B cells with the CD40 ligand (CD40L) on activated T cells is pivotal for immu...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830240831
更新日期:1994-08-01 00:00:00