PolyI:C-induced reduction in uptake of soluble antigen is independent of dendritic cell activation.

abstract：:Unlike splenic B cells from normal BALB/c mice, those from autoimmune-prone NZB x NZW (B/W) F1 young mice were hyperresponsive to interleukin 2 (IL2) and proliferated even in the absence of prior stimulation signals. We found that the B cell subpopulation responsible for this event belongs to that with 6B2 (B220)-dull...

journal_title：International immunology

authors： Hasegawa K,Abe M,Okada T,Hirose S,Sato H,Shirai T

更新日期：1989-01-01 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：:Malaria infection induces the production of serum antibodies to a variety of malaria antigens but the prevalence of antibodies to any particular antigen is typically much less than 100%. It has been assumed that non-responsiveness to defined antigens in malaria immune subjects is due to HLS-mediated restriction of the...

journal_title：International immunology

authors： Taylor RR,Egan A,McGuinness D,Jepson A,Adair R,Drakely C,Riley E

更新日期：1996-06-01 00:00:00

abstract：:Interleukin 6 (IL-6) is involved both in immune responses and in inflammation, hematopoiesis, bone metabolism and embryonic development. IL-6 plays roles in chronic inflammation (closely related to chronic inflammatory diseases, autoimmune diseases and cancer) and even in the cytokine storm of corona virus disease 201...

journal_title：International immunology

authors： Hirano T

更新日期：2020-12-18 00:00:00

abstract：:Two major B cell subpopulations were identified in the IgD- compartment of tonsils and subsequently isolated. They displayed the following phenotypes: CD10+CD38+CD44- (CD38+ B cells) and CD10-CD38-CD44+ (CD38- B cells). Of the CD38- B cells, 70% also expressed CD24 and CD39, whereas CD77 was specifically distributed o...

journal_title：International immunology

authors： Lagresle C,Bella C,Defrance T

更新日期：1993-10-01 00:00:00

abstract：:The mechanism underlying selective IgG subclass deficiency is largely unknown in humans. We have previously reported the acquisition of a complete IgG2 deficiency in a leukemia patient after bone marrow transplantation. Southern blot analysis showed a deletion including the Cgamma2 and Cgamma4 genes on one chromosome ...

journal_title：International immunology

authors： Zhao Y,Pan-Hammarström Q,Zhao Z,Wen S,Hammarström L

更新日期：2005-01-01 00:00:00

abstract：:We have evaluated the capacity of a novel, nanoparticle-based tumor vaccine to eradicate established tumors in mice. C57BL/6 mice were intradermally (i.d.) inoculated with ovalbumin (OVA)-expressing EG-7 tumor cells. When the tumor size reached 7-8 mm, the tumor-bearing mice were i.d. injected near the tumor-draining ...

journal_title：International immunology

authors： Wakita D,Chamoto K,Zhang Y,Narita Y,Noguchi D,Ohnishi H,Iguchi T,Sakai T,Ikeda H,Nishimura T

更新日期：2006-03-01 00:00:00

abstract：:Programmed cell death-1 (PD-1, Pdcd1), an immunoreceptor belonging to the CD28/CTLA-4 family negatively regulates antigen receptor signaling by recruiting protein tyrosine phosphatase, SHP-2 upon interacting with either of two ligands, PD-L1 or PD-L2. Because of the wide range of ligand distribution in the body, its b...

journal_title：International immunology

authors： Okazaki T,Honjo T

更新日期：2007-07-01 00:00:00

abstract：:Effective vaccination using in vitro peptide-loaded heat-shock proteins (HSP), tumor-derived HSP and HSP fusion proteins has been shown in viral, parasite and tumor model systems. We demonstrate protective DNA vaccination using gp96-peptide fusion proteins against the intracellular bacterial pathogen Listeria monocyto...

journal_title：International immunology

authors： Rapp UK,Kaufmann SH

更新日期：2004-04-01 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：:Peptide-MHC class II complexes (pMHC II) are degraded by MARCH-I-mediated ubiquitination, and the stabilization of pMHC II by loss of its ubiquitination is one phenotype defining the activation of conventional dendritic cells (cDCs). However, the role of such stabilization of pMHC II in the context of T-cell activatio...

journal_title：International immunology

authors： Ishikawa R,Kajikawa M,Ishido S

更新日期：2014-05-01 00:00:00

abstract：:Immune tolerance in the lung is important for preventing hypersensitivity, such as allergic asthma. Maintenance of tolerance in the lung is established by coordinated activities of poorly understood cellular and molecular mechanisms, including participation of dendritic cells (DCs). We have previously identified DC ex...

journal_title：International immunology

authors： Han D,Walsh MC,Kim KS,Hong SW,Lee J,Yi J,Rivas G,Choi Y,Surh CD

更新日期：2017-02-01 00:00:00

abstract：:Experimental autoimmune encephalomyelitis (EAE) is a CD4(+) T cell-mediated, inflammatory disease with similarities to multiple sclerosis in humans. Intranasal (i.n.) administration of a myelin basic protein (MBP)-derived peptide can protect susceptible mice from EAE. The mechanisms underlying this phenomenon, however...

journal_title：International immunology

authors： Burkhart C,Liu GY,Anderton SM,Metzler B,Wraith DC

更新日期：1999-10-01 00:00:00

abstract：:Cytotoxic T lymphocytes (CTL) confer protection against intracellular pathogens, yet the mechanism by which some escape activation induced cell death (AICD) and give rise to long-lived memory cells is unclear. We studied the differentiation of transgenic TCR CD8(+) cells into CTL and memory cells using a novel system ...

journal_title：International immunology

authors： Opferman JT,Ober BT,Narayanan R,Ashton-Rickardt PG

更新日期：2001-04-01 00:00:00

abstract：:Investigation of the process of Peyer's patch (PP) formation has been hampered by difficulties in identifying its initial step in the embryo. In this study, we overcame this problem by means of whole-mount immunohistochemistry using mAb against the molecules which were expressed in the cells accumulated at the site of...

journal_title：International immunology

authors： Adachi S,Yoshida H,Kataoka H,Nishikawa S

更新日期：1997-04-01 00:00:00

abstract：:Non-obese diabetic (NOD) mice that are genetically deficient in either IFN-gamma or beta chain of the IFN-gammaR develop diabetes with similar kinetics to wild-type NOD mice. In the current study, we demonstrated that treatment of IFN-gamma signaling-deficient NOD mice with cyclophosphamide (CY) not only fails to indu...

journal_title：International immunology

authors： Mori Y,Kato T,Kodaka T,Kanagawa EM,Hori S,Kanagawa O

更新日期：2008-09-01 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：:In humans, the thymus is the primary lymphoid organ able to support the development of T cells through its three-dimensional (3D) organization of the thymic stromal cells. Since a remarkable number of similarities are shared between the thymic epithelial cells (TECs) and skin-derived keratinocytes and fibroblasts, in ...

journal_title：International immunology

authors： Palamaro L,Guarino V,Scalia G,Antonini D,De Falco L,Bianchino G,Fusco A,Romano R,Grieco V,Missero C,Del Vecchio L,Ambrosio L,Pignata C

更新日期：2013-12-01 00:00:00

abstract：:The aim of this in vitro study was to evaluate if osteoclasts (OCs) and dendritic cells (DCs), both of monocyte origin, can support the survival of normal human plasma cells (PCs). PCs differentiate from plasmablasts (PBs) arising from activated B cells, essentially memory B cells. To study the survival of both PBs (C...

journal_title：International immunology

authors： Geffroy-Luseau A,Jégo G,Bataille R,Campion L,Pellat-Deceunynck C

更新日期：2008-06-01 00:00:00

abstract：:SDF-1 is a member of the CXC chemokines. In contrast to other chemokines that are induced by inflammation, SDF-1 is constitutively produced by stromal cells. In order to investigate the physiological roles of SDF-1, we constructed a fusion protein, SDF-1-Cgamma1, composed from murine SDF-1alpha and the constant region...

journal_title：International immunology

authors： Suzuki G,Nakata Y,Dan Y,Uzawa A,Nakagawa K,Saito T,Mita K,Shirasawa T

更新日期：1998-08-01 00:00:00

abstract：:Immunoglobulin affinity maturation depends on somatic hypermutation (SHM) in immunoglobulin variable (IgV) regions initiated by activation-induced cytidine deaminase (AID). AID induces transition mutations by C→U deamination on both strands, causing C:G→T:A. Error-prone repairs of U by base excision and mismatch repai...

journal_title：International immunology

authors： Eid MMA,Shimoda M,Singh SK,Almofty SA,Pham P,Goodman MF,Maeda K,Sakaguchi N

更新日期：2017-05-01 00:00:00

abstract：:The peptide motifs of two HLA molecules, B8 and DR3(17), which are associated with autoimmune diseases including myasthenia gravis, were determined from natural peptide pools using Edman degradation. The majority of HLA-B8 ligands are nonamers preferentially terminated by leucine. As a characteristic feature of the HL...

journal_title：International immunology

authors： Malcherek G,Falk K,Rötzschke O,Rammensee HG,Stevanović S,Gnau V,Jung G,Melms A

更新日期：1993-10-01 00:00:00

abstract：:Several cytokines and chemokines including chemokine (C-C motif) ligand-2 (CCL2) are induced in HIV-1 infection. However, the impact of HIV-1 viremia on CCL2 regulation is largely unknown. We utilized a DNA oligonucleotide microarray covering 110 inflammatory genes. Five genes were induced by at least 2-fold in PBMCs ...

journal_title：International immunology

authors： Ansari AW,Bhatnagar N,Dittrich-Breiholz O,Kracht M,Schmidt RE,Heiken H

更新日期：2006-10-01 00:00:00

abstract：:Under physiological conditions immune complexes (IC) are efficiently cleared from the circulation and meanwhile provide important feedback signals for the immune system via Fc gamma Rs and complement receptors. Dysregulation of these mechanisms have been implicated in conditions where IC concentrations reach pathologi...

journal_title：International immunology

authors： Isaák A,Gergely P Jr,Szekeres Z,Prechl J,Poór G,Erdei A,Gergely J

更新日期：2008-02-01 00:00:00

abstract：:The origin of anti-DNA antibodies remains speculative. We argue that some of these antibodies may arise inadvertently in nature during the course of a normal immune response due to their induction by antibodies which bear structures (mimotopes) that mimic DNA. These antibodies are not necessarily DNA specific but, lik...

journal_title：International immunology

authors： Wun HL,Leung DT,Wong KC,Chui YL,Lim PL

更新日期：2001-09-01 00:00:00

abstract：:In vivo administration of NKT cell ligand, alpha-galactosylceramide (alpha-GalCer), caused the activation of NKT cells to induce a strong NK activity and cytokine production by CD1d-restricted mechanisms. Surprisingly, we also found that alpha-GalCer induced the activation of immunoregulatory cells involved in acquire...

journal_title：International immunology

authors： Nishimura T,Kitamura H,Iwakabe K,Yahata T,Ohta A,Sato M,Takeda K,Okumura K,Van Kaer L,Kawano T,Taniguchi M,Nakui M,Sekimoto M,Koda T

更新日期：2000-07-01 00:00:00

abstract：:In this study, a B cell growth stimulatory factor, constitutively secreted by a human CD4+ T cell hybridoma clone, MP6, has been purified and characterized. Serum-free 24 h culture media from MP6 cells were collected, concentrated by ultrafiltration and separated by gel chromatography. Fractions were analyzed for stim...

journal_title：International immunology

authors： Rosen A,Lundman P,Carlsson M,Bhavani K,Srinivasa BR,Kjellström G,Nilsson K,Holmgren A

更新日期：1995-04-01 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

abstract：:The third complementarity determining regions of heavy chain variable regions (CDRH3) confer the fine specificities of antibodies. The CDRH3 length distribution of all human or all mouse antibodies appears to be more or less random, with the human distribution having a wider spread. Since the Kabat database of aligned...

journal_title：International immunology

authors： Johnson G,Wu TT

更新日期：1998-12-01 00:00:00

abstract：:Incomplete T cell antigen receptor-mediated signaling induces an unresponsive state known as anergy. Previously, we had shown that anergy can be induced in antigen-primed but not naive T cells. In this report, we found that in vitro primed T cells from IL-2R alpha-deficient mice were resistant to anergy induction in c...

journal_title：International immunology

authors： Hayashi RJ,Kanagawa O

更新日期：2006-05-01 00:00:00