The conversion of an enhancing factor to a suppressor factor by the formation of an aggregate molecule.

abstract：:C57BL/6 mice were injected with different doses of human T-cell receptor (TCR) V beta 8.1 CDR1 peptide at different times after murine retrovirus (LP-BM5) infection. Injection with TCR V beta 8.1 CDR1 peptide largely prevented the retrovirus-induced reduction in B- and T-cell proliferation, and T-helper 1 (Th1) cytoki...

journal_title：Immunology

authors： Liang B,Ardestani S,Marchalonis JJ,Watson RR

更新日期：1996-02-01 00:00:00

abstract：:Purified human and murine monocytes can be activated in vitro by human recombinant IL-2 to secrete tumour necrosis factor (TNF). TNF mRNA is detected within 4 h of addition of IL-2. Signal transduction does not appear to require expression of the Tac peptide of the IL-2 receptor. IL-2 does, however, induce Tac mRNA an...

journal_title：Immunology

authors： Economou JS,McBride WH,Essner R,Rhoades K,Golub S,Holmes EC,Morton DL

更新日期：1989-08-01 00:00:00

abstract：:A critical role for leukotriene B(4) (LTB(4)) and/or platelet-activating factor (PAF) in regulating polymorphonuclear cell (PMN) trafficking to inflammatory sites has been reported in a number of experimental inflammatory models. In vitro, newly synthesized LTB(4) and PAF were shown to act in an autocrine/paracrine or...

journal_title：Immunology

authors： Bélanger C,Elimam H,Lefebvre J,Borgeat P,Marleau S

更新日期：2008-07-01 00:00:00

abstract：:The role of T-cell receptor (TCR) gammadelta T cells in the induction of protective TCR alphabeta T cells against infection by the intracellular bacteria Listeria monocytogenes was analysed. We found that depletion of gammadelta T cells by anti-TCR delta monoclonal antibody treatment before intravenous immunization of...

journal_title：Immunology

authors： Nomura A,Matsuzaki G,Takada H,Hiromatsu K,Nabeshima S,Nakamura T,Kishihara K,Nomoto K

更新日期：1998-10-01 00:00:00

abstract：:Cells expressing indoleamine 2,3-dioxygenase (IDO), an enzyme which catabolizes tryptophan, prevent T-cell proliferation in vitro, suppress maternal antifetal immunity during pregnancy and inhibit T-cell-mediated responses to tumour-associated antigens. To examine the mechanistic basis of these phenomena we activated ...

journal_title：Immunology

authors： Lee GK,Park HJ,Macleod M,Chandler P,Munn DH,Mellor AL

更新日期：2002-12-01 00:00:00

abstract：:Host-versus-graft (HVG) syndrome is the fatal allogenic disease which develops in susceptible strains of inbred mice following their perinatal inoculation with related F1 hybrid spleen cells. Deaths are caused by pathogenic immune complexes. It is thought that the antibody components of these complexes are produced by...

journal_title：Immunology

authors： Hard RC,Patel MR,Keller LM,Linna TJ

更新日期：1988-03-01 00:00:00

abstract：:Dendritic cells (DC) isolated from the lymph nodes or spleens of mice and pulsed with contact sensitizers or protein antigens stimulate primary proliferative responses by syngeneic T cells and responses to alloantigens in the mixed leucocyte reaction (MLR). Using enriched human peripheral blood DC, we attempted to sti...

journal_title：Immunology

authors： Hill S,Coates JP,Kimber I,Knight SC

更新日期：1994-10-01 00:00:00

abstract：:Expression of CD45RO on intraepithelial lymphocytes (IEL) bearing the T-cell receptor (TcR) alpha/beta or gamma/delta was studied in situ by three-colour immunofluorescence on jejunal tissue sections from 21 patients with coeliac disease and eight controls. CD45RA-TcR alpha/beta+ IEL expressed CD45RO significantly mor...

journal_title：Immunology

authors： Halstensen TS,Farstad IN,Scott H,Fausa O,Brandtzaeg P

更新日期：1990-12-01 00:00:00

abstract：:The level of circulating thymic factor (FTS) tested by its action on spleen rosette-forming cells from adult thymectomized mice, has been shown to be stable in young animals. This stability suggests a regulatory mechanism. An approach of this regulation has been attempted by disrupting the FTS level either by neonatal...

journal_title：Immunology

authors： Tubiana N,Dardenne M

更新日期：1979-02-01 00:00:00

abstract：:Mice homozygous for the gld (generalized lymphoproliferative disease) and lpr (lymphoproliferation) mutations display similar autoimmune and lymphoproliferative diseases. Both result from defective apoptosis, the targets of the lpr and gld mutations being the genes for, respectively, an apoptosis-signalling receptor [...

journal_title：Immunology

authors： Rosenblatt N,Hartmann KU,Loor F

更新日期：1995-04-01 00:00:00

abstract：:In recent years, nitric oxide (NO), a gas previously considered to be a potentially toxic chemical, has been established as a diffusible universal messenger that mediates cell-cell communication throughout the body. Constitutive and inducible NO production regulate numerous essential functions of the gastrointestinal ...

journal_title：Immunology

authors： Kolios G,Valatas V,Ward SG

更新日期：2004-12-01 00:00:00

abstract：:The affinity of anti-DNP antibodies produced by mice of various ages has been studied at the cellular level by the plaque inhibition technique. The affinity of PFC produced shortly after a single injection of antigen was found to increase during the first 6 weeks of life. The responses of 1- and 2-week-old animals als...

journal_title：Immunology

authors： Marshall-Clarke S,Playfair JH

更新日期：1975-09-01 00:00:00

abstract：:Preparations of ECF-A derived from anaphylactic guinea-pig lung diffusates were subjected to a variety of enzymatic degradations. The enzymes employed had specificityonly for their appropiate subtstates. No effect was found following treatmentwith relatively high doses of trypsin, alpha-chymotrypsin, pronase, alkali...

journal_title：Immunology

authors： Bach MK,Jones DG,Kay AB

更新日期：1975-04-01 00:00:00

abstract：:Cytokines are the most important inducers of T helper (Th) cell differentiation. Interleukin-12 (IL-12) and interferon-alpha (IFN-alpha) are responsible for human Th1-cell differentiation, while IL-4 is the critical cytokine promoting Th2-cell development. These two subsets of cells co-ordinate immunological responses...

journal_title：Immunology

authors： Aho TL,Lund RJ,Ylikoski EK,Matikainen S,Lahesmaa R,Koskinen PJ

更新日期：2005-09-01 00:00:00

abstract：:Detection of immune complexes by inhibition of antibody-dependent cellular cytotoxicity (ADCC) is based on the principle that soluble complexes can compete with target cell-bound antibody for receptors (FcR) on cytotoxic lymphocytes. The objective of this study was to define a cytotoxicity system for the determination...

journal_title：Immunology

authors： Howat JM,Moore M,Hilton AM,Kimber I

更新日期：1979-06-01 00:00:00

abstract：:Apoptosis of macrophages infected with pathogenic mycobacteria is an alternative host defence capable of removing the environment supporting bacterial growth. In this work the influence of virulence and bacterial load on apoptosis of alveolar macrophages during the initial phase of infection by Mycobacterium bovis was...

journal_title：Immunology

authors： Rodrigues MF,Barsante MM,Alves CC,Souza MA,Ferreira AP,Amarante-Mendes GP,Teixeira HC

更新日期：2009-09-01 00:00:00

abstract：:Programmed death-1 (PD-1) plays an important role in protecting against inflammation and myocyte damage in T-cell-mediated myocarditis. To understand whether fibrinogen-like protein-2 (FGL2) can affect the role of the PD-1/PD-L1 pathway in experimental autoimmune myocarditis (EAM), we investigated cardiac function in ...

journal_title：Immunology

authors： Zheng Z,Yu Y,Potla R,Wu Y,Wu H

更新日期：2018-02-01 00:00:00

abstract：:In the rat strain combination of DA into PVG, an orthotopic liver graft has the ability to abrogate an existing state of sensitization against donor (DA) antigens. Fifty-four percent of PVG rats sensitized against DA by skin grafting accepted a DA liver graft permanently, and about half of these became systemically to...

journal_title：Immunology

authors： Kamada N,Shinomiya T

更新日期：1985-05-01 00:00:00

abstract：:MicroRNAs (miRNAs) regulate many aspects of helper T cell (Th) development and function. Here we found that they are required for the suppression of interleukin-9 (IL-9) expression in Th9 cells and other Th subsets. Two highly related miRNAs (miR-15b and miR-16) that we previously found to play an important role in re...

journal_title：Immunology

authors： Singh Y,Garden OA,Lang F,Cobb BS

更新日期：2016-09-01 00:00:00

abstract：:The IgE immune response was studied in female athymic, nude (Lewis rnu/rnu) and euthymic (Lewis +/+) rats infected with the nematode Nippostrongylus brasiliensis. During the course of the infection, serum IgE levels were followed using an enzyme-linked immunosorbent assay technique (ELISA), while the surface expressio...

journal_title：Immunology

authors： Chen XJ,Wiedermann U,Dahlgren U,Hanson LA,Enerbäck L

更新日期：1995-11-01 00:00:00

abstract：:The immunological basis for the production of autoantibodies characteristic of systemic lupus erythematosus (SLE) against a wide range of antigens remains obscure. The specificity of (NZB x NZW)F1 (BWF1) or MRL/Mp-lpr/lpr (MRL/lpr) mouse monoclonal antibodies (mAb) was examined by immunofluorescence, immunoblotting an...

journal_title：Immunology

authors： Bronze-da-Rocha E,Machado C,Staines NA,Sunkel CE

更新日期：1992-12-01 00:00:00

abstract：:Hyper-immunoglobulin M (IgM) syndrome (HIGM) is a rare primary immunodeficiency characterized by elevated or normal IgM and absent or markedly decreased amounts of IgG, IgA and IgE. The X-linked form (HIGM1) is the most common type and is caused by mutations in the gene for CD40L, a T-cell surface molecule required fo...

journal_title：Immunology

authors： Van Hoeyveld E,Zhang PX,De Boeck K,Fuleihan R,Bossuyt X

更新日期：2007-04-01 00:00:00

abstract：:When cultured on a collagen matrix at a density of 7 X 10(4) cells/cm2 for 48 hr, 80 +/- 10% of unfractionated and 70 +/- 14% of T-enriched human blood lymphocytes from eight healthy individuals developed a motile morphology defined as the presence of lamellar surface activity and cytoplasmic flattening. During cultur...

journal_title：Immunology

authors： Sundqvist KG,Otteskog P

更新日期：1986-07-01 00:00:00

abstract：:The IgE antibody responses of inbred BALB/c mice to subcutaneously injected antigens, given without adjuvant, were studied. Cocksfoot grass pollen extract (GPE) (100-100,000 pnu) induced no detectable primary IgE antibody responses but following second and subsequent injections, substantial secondary responses were pr...

journal_title：Immunology

authors： Taylor WA,Sheldon D,Francis DH

更新日期：1980-04-01 00:00:00

abstract：:The migration of leucocytes into tissues is a process mediated by leucocyte endothelial interactions, in which adhesion receptors play a crucial role. Recently, it was found that 80-90% of T cells in inflammatory skin diseases were reactive to the monoclonal antibody (mAb) HECA-452+ in contrast to inflamed non-cutaneo...

journal_title：Immunology

authors： De Boer OJ,Horst E,Pals ST,Bos JD,Das PK

更新日期：1994-03-01 00:00:00

abstract：:Prolonged exposure to ultraviolet light (UV) is known to lead to premature skin ageing, increased incidence of cataract and a high risk of developing skin cancers. UV-B irradiation, even if given as a single suberythemal dose, suppresses some immune responses, possibly reducing the production of T helper (Th) 1 cytoki...

journal_title：Immunology

authors： el-Ghorr AA,Norval M

更新日期：1997-09-01 00:00:00

abstract：:The role of endogenously mediated fever and exogenous hyperthermia as modulators of immune functions remains poorly understood. It is known that fever is mediated by several cytokines, including interleukin-1 alpha and interleukin-1 beta (IL-1 alpha and IL-1 beta), interleukin-6 (IL-6), tumour necrosis factor-alpha (T...

journal_title：Immunology

authors： Kappel M,Diamant M,Hansen MB,Klokker M,Pedersen BK

更新日期：1991-07-01 00:00:00

abstract：:Macrophages play important roles in the clearance of dying and dead cells. Typically, and perhaps simplistically, they are viewed as the professional phagocytes of apoptotic cells. Clearance by macrophages of cells undergoing apoptosis is a non-phlogistic phenomenon which is often associated with actively anti-inflamm...

journal_title：Immunology

authors： Gregory CD,Devitt A

更新日期：2004-09-01 00:00:00

abstract：:The CD4-specific monoclonal antibody (mAb) CC26, when tested on a total of 143 cattle, failed to react with T cells from 16% of animals and gave reduced intensity staining in a further 35% of animals. The results of family studies with groups of half- and full-siblings indicated that CC26 recognizes an allele of CD4 w...

journal_title：Immunology

authors： Morrison WI,Howard CJ,Hinson CJ,MacHugh ND,Sopp P

更新日期：1994-12-01 00:00:00

abstract：:The specificities of antibodies raised in rabbits against rat mast cell proteinase 1 (RMCP 1) from connective tissue mast cells (CTMC), and against RMCP II from mucosal mast cells (MMC), were analysed by SDS-PAGE and Western blotting. Significant cross-reactivity was detected, and was eliminated by affinity purificati...

journal_title：Immunology

authors： Gibson S,Miller HR

更新日期：1986-05-01 00:00:00