Ig heavy chain class switching in Rag-deficient mice.

abstract：:In order to better understand the role of intestinal CD1d, we sought to define the cellular localization and further characterize the biochemical structure of CD1d in human intestinal epithelial cells (IEC). Using a CD1d-specific rabbit anti-gst-CD1d antibody, immunoprecipitation of radiolabeled cell surface proteins ...

journal_title：International immunology

authors： Somnay-Wadgaonkar K,Nusrat A,Kim HS,Canchis WP,Balk SP,Colgan SP,Blumberg RS

更新日期：1999-03-01 00:00:00

abstract：:Experiments in transgenic mice have demonstrated that thymocyte differentiation into the mature CD4+ helper or CD8+ cytotoxic T cell lineage is ultimately dependent upon the specificity of the TCR for class II or class I MHC molecules respectively. However, the initial mechanistic events involved in this process remai...

journal_title：International immunology

authors： DeKoning J,Carbone FR,Kaye J

更新日期：1995-04-01 00:00:00

abstract：:Macrophages are heterogeneous and plastic, and play several diverse functions in immune responses. Emerging data provide evidence of multiple roles for metabolic pathways in the control of macrophage effector functions. The diverse functions of macrophages are categorized into two main subsets: classical activated mac...

journal_title：International immunology

authors： Kang S,Kumanogoh A

更新日期：2020-06-26 00:00:00

abstract：:Evidence from several different experimental systems suggests that regulatory cells specific for self-antigens exist in the normal immune repertoire, and that these cells are necessary for maintenance of self-tolerance and prevention of autoimmune disease. We attempted to demonstrate the existence of regulatory cells ...

journal_title：International immunology

authors： Lindsey JW,Jin R

更新日期：2000-11-01 00:00:00

abstract：:The human chymase (HC) is a major granule constituent of mast cells (MCs) residing in the connective tissue and the sub-mucosa. Although many potential substrates have been described for this important MC enzyme, its full range of in vivo substrates has most likely not yet been identified. A major step toward a better...

journal_title：International immunology

authors： Andersson MK,Enoksson M,Gallwitz M,Hellman L

更新日期：2009-01-01 00:00:00

abstract：:STAT6, NF-kappaB (p50) and C/EBPbeta transcription factors (TF) were examined with respect to CD23 regulation. Electrophoretic mobility shift assay (EMSA), competition and supershift analysis demonstrated that STAT6 binds the CD23a promoter but with a lower affinity than the consensus site. STAT6-/- mice were analyzed...

journal_title：International immunology

authors： Tinnell SB,Jacobs-Helber SM,Sterneck E,Sawyer ST,Conrad DH

更新日期：1998-10-01 00:00:00

abstract：:Myasthenia gravis (MG) is an autoimmune disease, caused by autoantibodies against the muscle acetylcholine receptor (AChR), an oligomeric transmembrane glycoprotein composed of alpha(2)beta gamma delta subunits. The alpha subunit carries in its N-terminal extracellular domain the main immunogenic region (MIR), a group...

journal_title：International immunology

authors： Tsouloufis T,Mamalaki A,Remoundos M,Tzartos SJ

更新日期：2000-09-01 00:00:00

abstract：:The extracellular signal-regulated kinase (ERK) signaling pathway is strongly activated in response to TCR stimulation in normal T cells. However, the extent to which activation of the ERK pathway is necessary for TCR-stimulated cytokine production is not clear. We have addressed this question by use of two separate m...

journal_title：International immunology

authors： Egerton M,Fitzpatrick DR,Kelso A

更新日期：1998-02-01 00:00:00

abstract：:The previously defined binding motif of MHC class I H-2Kd-restricted antigenic peptides consists of a Y residue in position P2 and a hydrophobic residue with a large aliphatic side chain (L, I, or V) in position P9/P10 of optimal 9- or 10-mer peptides. We show now that the presence of a charged or a F residue in posit...

journal_title：International immunology

authors： Eberl G,Sabbatini A,Servis C,Romero P,Maryanski JL,Corradin G

更新日期：1993-11-01 00:00:00

abstract：:The A6H mAb raised primarily against human renal cell carcinoma (RCC) has previously been shown to bind strongly to RCC, to some degree to colon carcinoma but only marginally to a variety of normal tissues. Immunohistochemical analysis or RCC tissues containing tumor-infiltrating lymphocytes revealed that A6H stained ...

journal_title：International immunology

authors： Labuda T,Lando P,Björkdahl O,Kalland T,Vessella R,Hedlund G,Eriksson H,Sjögren HO,Dohlsten M

更新日期：1995-09-01 00:00:00

abstract：:Mouse CD4+ T cells were subdivided into two subpopulations, naive (CD44low CD45RBhigh) and memory (CD44high CD45RBlow) T cells, by flow cytometric analysis. Examination of spleen and peripheral blood of C57BL/6 mice of various ages revealed that there was a reciprocal age-associated change in these two subpopulations,...

journal_title：International immunology

authors： Kurashima C,Utsuyama M,Kasai M,Ishijima SA,Konno A,Hirokawa K

更新日期：1995-01-01 00:00:00

abstract：:Using anti-Tac (anti-alpha chain) and 2R-B (anti-beta chain) antibodies, we studied the roles of IL-2 receptor subunits (alpha and beta chains) in the formation of IL-2 and high-affinity IL-2 receptor complex, which is the initial event of IL-2 induced T cell growth. High-affinity IL-2 binding which was undetectable i...

journal_title：International immunology

authors： Kamio M,Uchiyama T,Arima N,Itoh K,Ishikawa T,Hori T,Uchino H

更新日期：1990-01-01 00:00:00

abstract：:To investigate the role of the Toll-like receptor (TLR) family in host defense against Toxoplasma gondii, we infected TLR2-, TLR4- and MyD88-deficient mice with the avirulent cyst-forming Fukaya strain of T. gondii. All TLR2- and MyD88-deficient mice died within 8 days, whereas all TLR4-deficient and wild-type mice su...

journal_title：International immunology

authors： Mun HS,Aosai F,Norose K,Chen M,Piao LX,Takeuchi O,Akira S,Ishikura H,Yano A

更新日期：2003-09-01 00:00:00

abstract：:Under equilibrium conditions, the affinities of five anti-IgG2a mAb isolated from virus-infected mice were comparable to other high-affinity auto-antibodies. Similar to rheumatoid factors, these anti-IgG2a auto-antibodies bound to aggregated or complexed IgG2a with 50 to 1500-fold higher avidity than their monomeric c...

journal_title：International immunology

authors： Fazekas G,Pálfi G,Wolff-Winiski B,Rosenwirth B,Dukor P,Gergely J,Rajnavölgyi E

更新日期：1995-07-01 00:00:00

abstract：:T cell responses against complex antigens are often directed against a limited set of immunodominant determinants. We have studied this phenomenon at the level of cellularly processed peptides recognized by CTL in the B6 anti-BALB.B minor histocompatibility (H) barrier, comprising at least 29 antigen loci. B6 anti-BAL...

journal_title：International immunology

authors： Wolpert E,Franksson L,Kärre K

更新日期：1995-06-01 00:00:00

abstract：:Dendritic cells (DC) are highly potent activators of the immune response. The precise mechanisms that give rise to the DC phenotype are not known. To investigate the mechanisms that contribute to the generation of the DC phenotype, precursor DC were freshly isolated from human blood and allowed to mature in vitro. The...

journal_title：International immunology

authors： Engering AJ,Richters CD,Fluitsma DM,van Pelt AM,Kamperdijk EW,Hoefsmit EC,Pieters J

更新日期：1998-11-01 00:00:00

abstract：:Despite intense recent interest, the suppressive mechanisms of regulatory CD25+CD4 T cells remain poorly understood. One deficiency in the field is the lack of in vivo models where the effects of regulatory CD25+CD4 T cells on antigen-specific responder T cells can be measured quantitatively. We describe one such mode...

journal_title：International immunology

authors： Thorstenson KM,Herzovi L,Khoruts A

更新日期：2005-04-01 00:00:00

abstract：:Antibody-secreting cells (ASCs) in respiratory tract tissues provide a first line of defense against invading pathogens. These cells often secrete IgA that is efficiently transcytosed across epithelial barriers into the airway lumen where pathogens can be blocked at their point of entry. Previous literature has report...

journal_title：International immunology

authors： Sealy RE,Surman SL,Vogel P,Hurwitz JL

更新日期：2016-11-01 00:00:00

abstract：:Cytotoxic T lymphocyte (CTL) mediated killing has classically been associated with a high level of specificity for the target cell. However, when CTL clones and specific target cells were copelleted with innocent bystander cells for which the CTL was not specific, these bystander cells were also lysed. Bystander lysis...

journal_title：International immunology

authors： Burrows SR,Fernan A,Argaet V,Suhrbier A

更新日期：1993-09-01 00:00:00

abstract：:Pathogenic intracellular bacteria often hijack macrophages for their propagation. The infected macrophages release IL-1β and IL-18 and simultaneously commit suicide, which is called pyroptosis; both responses require caspase-1. Here, we found that pyroptotic cells induced by microbial infection were efficiently engulf...

journal_title：International immunology

authors： Wang Q,Imamura R,Motani K,Kushiyama H,Nagata S,Suda T

更新日期：2013-06-01 00:00:00

abstract：:O-acetyl GD3 ganglioside is a cell surface molecule of some neural, neural crest and renal cells. Here we show, by using mAbs specific for O-acetyl GD3 (clone 27A) and flow-cytometric, biochemical or immunological techniques, that it is also expressed at high intensity level on the surface of 49.6% (median) of the CD3...

journal_title：International immunology

authors： Reivinen J,Holthöfer H,Miettinen A

更新日期：1994-09-01 00:00:00

abstract：:We investigated the role of IL-7 receptor alpha (IL-7Ralpha) signal in the formation of Peyer's patch (PP) anlage. Although pan-lymphopenia is a common phenotype of rag2-/- and il7ralpha-/- mice, a close inspection revealed nodules corresponding to PP in the adult rag2-/- but not in the il7ralpha-/- mouse. In our prev...

journal_title：International immunology

authors： Adachi S,Yoshida H,Honda K,Maki K,Saijo K,Ikuta K,Saito T,Nishikawa SI

更新日期：1998-01-01 00:00:00

abstract：:NOD mice spontaneously develop type I diabetes resulting from autoimmune destruction of their insulin-producing beta cells. Among the self-antigens targeted by NOD autoimmune T cells is a peptide, p277, from the sequence of the 60 kDa heat shock protein (hsp60). Common to the anti-p277 T cell populations of NOD mice i...

journal_title：International immunology

authors： Elias D,Tikochinski Y,Frankel G,Cohen IR

更新日期：1999-06-01 00:00:00

abstract：:Acute graft-versus-host disease (GvHD) is a serious complication after allogeneic bone marrow transplantation. Donor-derived T cells infiltrate recipient target organs and cause severe tissue damage, often leading to death of the affected patient. Tissue destruction is a direct result of donor CD8+ T cell activation a...

journal_title：International immunology

authors： Arnold D,Wasem C,Juillard P,Graber P,Cima I,Frutschi C,Herren S,Jakob S,Alouani S,Mueller C,Chvatchko Y,Brunner T

更新日期：2002-05-01 00:00:00

abstract：:The production of IgE, a main player in allergic disorders such as asthma and atopic dermatitis, is strictly regulated and the serum concentrations of IgE are normally kept at a much lower level than other isotypes. We found that mice deficient for the p85alpha regulatory subunit of class IA phosphoinositide 3-kinase ...

journal_title：International immunology

authors： Doi T,Obayashi K,Kadowaki T,Fujii H,Koyasu S

更新日期：2008-04-01 00:00:00

abstract：:CD69, an 'activation marker' that is rapidly induced on mature T cells after stimulation through the T cell antigen receptor (TCR) was found to be expressed on approximately 10% of normal thymocytes. All of these CD69+ thymocytes express alpha beta TCR, and they include both TCRlowCD4+CD8+ and TCRhighCD4+CD8- or CD4-C...

journal_title：International immunology

authors： Yamashita I,Nagata T,Tada T,Nakayama T

更新日期：1993-09-01 00:00:00

abstract：:Immunoglobulin (IG:) genes are hypermutated in mature B cells after interaction with antigen and T cells in a germinal center reaction. We and others have recently shown that the human BCL6 gene is also hypermutated in human peripheral blood memory B cells and tonsils. A preliminary analysis of other non-Ig genes (c-M...

journal_title：International immunology

authors： Shen HM,Michael N,Kim N,Storb U

更新日期：2000-07-01 00:00:00

abstract：:The adaptive immune response is involved in the development and progression of atherosclerosis and IL-17A(+) cells play a role in this disease. Although elevated number of CD4(+) IL-17A(+) (Th17) and IL-17A(+)TCRγδ(+) T cells are found within murine atherosclerotic aortas and human plaques, the mechanisms governing IL...

journal_title：International immunology

authors： Butcher MJ,Wu CI,Waseem T,Galkina EV

更新日期：2016-05-01 00:00:00

abstract：:IgE plus antigen-stimulated mast cells degranulate, synthesize leukotrienes and secrete cytokines. According to the coalescence model this process is initiated in specific membrane compartments termed rafts. There, enhanced levels of glycosphingolipids and cholesterol stabilize the interaction of FcepsilonRI and Lyn, ...

journal_title：International immunology

authors： Baumruker T,Csonga R,Pursch E,Pfeffer A,Urtz N,Sutton S,Bofill-Cardona E,Cooke M,Prieschl E

更新日期：2003-10-01 00:00:00

abstract：:A novel system to study the effects of co-cross-linking CD23/FceRII and sIg on murine B lymphocytes utilizes a highly multivalent form of anti-Ig prepared by covalently linking anti-Ig antibodies to a DNP-dextran backbone. CD23-sIg co-cross-linking is accomplished by the addition of DNP-specific monoclonal IgE. Previo...

journal_title：International immunology

authors： Campbell KA,Studer EJ,Kilmon MA,Lees A,Finkelman F,Conrad DH

更新日期：1997-08-01 00:00:00