Abstract:
:Antibodies against bacterial capsular polysaccharides play a critical protective role. Responses to these antigens can occur without the help or control of T cells and are associated with marginal zone (MZ) B cells. Capsular antigens are diverse and some cross-react with self-carbohydrate epitopes. This diversity may explain the recruitment of non-autoreactive recirculating B cells and memory B cells to the MZ in addition to other B cells, some of which are weakly autoreactive cells, that are recruited to the MZ without entering the recirculating pool. To test whether memory B cells respond to polysaccharide-based antigens, mice with hapten-specific memory B cells were challenged with hapten-polysaccharide. Hapten-specific plasma cells producing high affinity antibody with Ig V-region mutations were induced. To test whether naive recirculating B cells can form MZ cells that respond to polysaccharide, recirculating B cells from lymph nodes were transferred into Rag-1-deficient mice. MZ cells differentiated from the donor cells without proliferation or T cell help and responded to polysaccharide-based antigen. The differentiation of B cells both from germinal centers and the recirculating pool to the MZ phenotype is likely to make an important contribution to the repertoire of B cells that respond to polysaccharide antigens.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Vinuesa CG,Sze DM,Cook MC,Toellner KM,Klaus GG,Ball J,MacLennan ICdoi
10.1002/immu.200310003keywords:
subject
Has Abstractpub_date
2003-02-01 00:00:00pages
297-305issue
2eissn
0014-2980issn
1521-4141journal_volume
33pub_type
杂志文章abstract::Here we demonstrate that components of the entire complement cascade are fixed on the surface of erythrocytes infected with the human malarial parasite Plasmodium falciparum. Despite the activation of lytic complement factors, no complement-mediated lysis of P. falciparum-infected erythrocytes occurred only in the abs...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830271034
更新日期:1997-10-01 00:00:00
abstract::To detect possible differences in immunogenicity between tumors induced in T cell-deficient mice and phenotypically normal congenic mice, 16 sarcomas, 8 having developed in nude BALB/c mice and 8 having developed in congenic normal (nu/+) mice, were transplanted to normal BALB/c recipients and the rates of rejection o...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830260827
更新日期:1996-08-01 00:00:00
abstract::This study shows that both recombinant human interleukin (rhIL)3 and rhIL4 induced proliferation in bone marrow (BM) cells of myelogenous leukemia patients in a manner similar to that reported using normal BM cells. However, we additionally found that these cytokines also influenced expression of other cytokines. Name...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830191108
更新日期:1989-11-01 00:00:00
abstract::Two different subpopulations of anti-acetylcholine receptor antibodies were studied during the evolution of experimental autoimmune myasthenia in one rabbit immunized with Torpedo acetylcholine receptor. The results show that the subpopulation of antibodies directed against the toxin-binding site of the receptor might...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830070807
更新日期:1977-08-01 00:00:00
abstract::We have determined the cell cycle position of individual mouse leukemia L 1210 cells by cytophotometric and autoradiographic techniques and simultaneously determined the amount of histocompatibility antigens expressed on the surface of individual cells by quantitative immunofluorescence. Interferon treatment of L 1210...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830060112
更新日期:1976-01-01 00:00:00
abstract::In this study, we have analyzed the in vivo dynamics of the interaction between polyclonal Foxp3(+) Treg cells, effector T (Teff) cells, and DCs in order to further our understanding of the mechanisms of Treg cell-mediated suppression. Cotransfer of polyclonal activated Treg cells into healthy mice attenuated the ind...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201141503
更新日期:2011-10-01 00:00:00
abstract::The hypothesis that distinct subsets of NK cells produce type 2 and type 1 cytokines in resting naive lymphocytes was tested analyzing cytokine production at the single-cell level. Two non-overlapping IL-13+ and IFN-gamma+ subsets were identified in adult and neonatal NK cells. IL-2 maintained their relative proportio...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200202)32:2<413::AID-IMMU413>3.0
更新日期:2002-02-01 00:00:00
abstract::Soluble TRAIL (sTRAIL) can be produced by myeloid-derived cells to kill cancer cells. Whether this mechanism is used by T cells, and if so, how sTRAIL production is regulated, remains unclear. Our previous studies showed that ex vivo expanded human γδ T cells express TRAIL and NK receptor group 2 (R2), member D (NKG2D...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201243150
更新日期:2013-12-01 00:00:00
abstract::Fc gamma receptor-bearing U937 cells, when incubated in serum-free buffer, were found to release spontaneously a suppressor material for pokeweed mitogen-drigen IgG synthesis which could be retained on Sepharose 4B-IgG immunosorbents. Immunosorbents coupled with IgM or F (ab')2 fragments of IgG were unable to retain t...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830160106
更新日期:1986-01-01 00:00:00
abstract::In M54 mice transgenic for a completely rearranged mu(a) heavy chain there is a decrease in total B cells and the rearrangement of endogenous immunoglobulin genes is partially inhibited. Surprisingly, however, endogenous immunoglobulin gene rearrangement and significant heavy chain polypeptide production does occur. W...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830220909
更新日期:1992-09-01 00:00:00
abstract::A single T cell clone can be activated by many different peptides in the context of a particular HLA molecule. To quantify the number of peptides that can be recognized by a CD4(+) T cell clone, we screened a one-bead-one-peptide synthetic peptide library and a protein database for peptides that stimulate an HLA-DR3-r...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/(SICI)1521-4141(199908)29:08<2385::AID-IMM
更新日期:1999-08-01 00:00:00
abstract::NK cells offer a first line of defense against viruses and are considered beneficial to the host during infection. Nevertheless, little is understood regarding the phenotype and function of NK cells in the lung during influenza virus infection. We found that the frequency of NK cells in mouse lung increased during inf...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201242620
更新日期:2013-04-01 00:00:00
abstract::While the nasal mucosa is a potentially useful site for human immunization, toxin-based nasal adjuvants are generally unsafe and less effective in humans. Safe mucosal adjuvants that activate protective immunity via mucosal administration are highly dependent on barrier antigen sampling by epithelial and DCs. Here, we...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201142346
更新日期:2012-08-01 00:00:00
abstract::Target cells expressing influenza virus hemagglutinin (HA) could be recognized by cytotoxic T lymphocytes (CTL) in conjunction with the murine major histocompatibility complex class I antigen, H-2Kd, when both antigens were encoded by recombinant vaccinia virus. This recognition occurred if HA and H-2Kd were encoded b...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830171021
更新日期:1987-10-01 00:00:00
abstract::Previously, we found that co-expression of CD25 and TNFR2 identified the most suppressive subset of mouse Treg. In this study, we report that human peripheral blood (PB) FOXP3(+) cells present in CD25(high), CD25(low) and even CD25(-) subsets of CD4(+) cells expressed high levels of TNFR2. Consequently, TNFR2-expressi...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200940022
更新日期:2010-04-01 00:00:00
abstract::Dendritic cells (DC) are sentinels of the immune system, transporting antigens from the periphery to secondary lymphoid organs. This study investigates the interactions of DC with B cells for the induction of anti-viral neutralizing antibody responses. Using the vesicular stomatitis virus glycoprotein (VSV-G) as a mod...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200001)30:1<185::AID-IMMU185>3.0
更新日期:2000-01-01 00:00:00
abstract::Only activated and effector memory T cells are thought to access non-lymphoid tissues. In contrast, naive T cells are thought to circulate only between the blood, lymph and secondary lymphoid organs. We examined the phenotype of endogenous T cells in various non-lymphoid organs and showed that a subset of cells exhibi...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200535539
更新日期:2006-06-01 00:00:00
abstract::X-linked agammaglobulinemia (XLA) is a primary immunodeficiency of the B-cell compartment caused by a defective gene encoding for the tyrosine kinase (btk) essential for B cell differentiation. Affected males undergo recurrent pyogenic infections and deficient immunoglobulin production. Peripheral blood T cells from 6...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200106)31:6<1927::aid-immu1927>3
更新日期:2001-06-01 00:00:00
abstract::Multi-component glycopeptide libraries and single glycopeptides were used for immunization of mice with the aim of inducing strong T helper cell responses to the repetitive sequence of MUC1 expressed by human tumor cells. The glycopeptides and glycopeptide libraries were modeled upon the native human MUC1 amino acid v...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200323698
更新日期:2003-06-01 00:00:00
abstract::Induction of optimal HIV-1-specific T-cell responses, which can contribute to controlling viral infection in vivo, depends on antigen processing and presentation processes occurring in DCs. Opsonization can influence the routing of antigen processing and pathways used for presentation. We studied antigen proteolysis a...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201242935
更新日期:2013-06-01 00:00:00
abstract::Antigen-presenting macrophages (M phi) were derived from day 7 cultures of bone marrow stem cells using L cell conditioned medium. The adherent bone marrow-derived macrophages (BMM phi) were 100% esterase-positive, 95% positive for C3 receptors, 93% positive for Fc receptors, and 95% actively phagocytic. Indirect immu...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830121202
更新日期:1982-12-01 00:00:00
abstract::There are no direct means to study class I MHC presentation in human normal or diseased cells. Using CMV-infected human cells and applying novel mAb that mimic T-cell receptor specificity directed toward the immunogenic epitope of the viral pp65 protein presented on HLA-A2 molecules, we directly imaged the dynamics of...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200939875
更新日期:2010-06-01 00:00:00
abstract::Endogenous superantigens (SAg) presented by MHC class II IA molecules induce slow-evolving negative selection of alpha beta T cells. The role of both B and gamma delta T cells on the regulation of these SAg-specific alpha beta T cell responses was addressed in IA(b+)IE(b-) C57BL/6 mice bearing genetically induced B ce...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200109)31:9<2811::aid-immu2811>3
更新日期:2001-09-01 00:00:00
abstract::Gout manifests as recurrent episodes of acute joint inflammation and pain due to the deposition of monosodium urate (MSU) crystals within the affected tissue in a process dependent on NLRP3 inflammasome activation. The synthesis, activation, and release of IL-1β are crucial for MSU-induced inflammation. The current st...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201545798
更新日期:2016-01-01 00:00:00
abstract::Previous studies demonstrated that mannan is a potent inhibitor of splenic entry of lymphocytes and mediates its inhibitory effect at an unidentified site in the spleen rather than acting directly on lymphocytes. This report describes the in vivo site of action of mannan. In vivo localization studies with fluoresceina...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830220804
更新日期:1992-08-01 00:00:00
abstract::Listeria monocytogenes induces the formation of inflammasomes and subsequent caspase-1 activation, and the adaptor apoptosis-associated speck-like protein containing a CARD (ASC) is crucial for this response. However, the role of ASC in L. monocytogenes infection in vivo is unclear. In this study, we demonstrate that ...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.201444673
更新日期:2014-12-01 00:00:00
abstract::Vaccinia virus (VV) has been most commonly used as the vaccine to protect individuals against the causative agent of smallpox (variola virus), but it also uses a number of strategies meant to evade or blunt the host's antiviral immune response. Natural killer T (NKT) cells are a subset of immunoregulatory CD1d-restric...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200636024
更新日期:2006-10-01 00:00:00
abstract::Ikaros is a transcriptional regulator whose function is essential for B cell development. It is expressed in the hematopoietic stem cell (HSC) through the mature B cell stage. Using genetically engineered mice in which the endogenous Ikaros gene is disrupted, it has been shown that a lack of Ikaros leads to a block in...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200637026
更新日期:2007-04-01 00:00:00
abstract::Current concepts of activation of the alternative pathway of complement (APC) focus on the central role of an amplification mechanism triggered by C3b which is covalently bound to the surfact of activating substances. Using sulfated polyanions as model substances, an efficient fluid-phase activation of complement is d...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830110405
更新日期:1981-04-01 00:00:00
abstract::Despite the differences in the molecular structure between lipopolysaccharides (LPS) isolated from Escherichia coli, Klebsiella pneumoniae or Salmonella typhimurium, the potential differences in their biological effects in vivo have not been investigated. In the present study, TNF and LT double knock-out (TNF-/-LT-/-)...
journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200109)31:9<2529::aid-immu25
更新日期:2001-09-01 00:00:00