abstract：:We established two clones of monoclonal hybridoma, from a non-immunized NZB mouse, which produce IgM class hemagglutinating autoantibodies reactive with the exposed murine erythrocyte autoantigens. Absorption studies revealed that one monoclonal antibody exhibits cross-reactivity to chick erythrocytes and mouse liver,...

journal_title：Immunology letters

authors： Ozaki S,Nagasawa R,Sato H,Shirai T

更新日期：1984-01-01 00:00:00

abstract：:Immunoglobulin species, recombined from Fab and Fc fragments with anti-red cell specificity were used as cytophilic antibodies in studies of triggering the effector activity of immunoglobulins. Recombinant immunoglobulins containing a single Fab' appeared inactive in binding to cell receptors and triggering antibody d...

journal_title：Immunology letters

authors： Uracz W,Bobrzecka K,Konieczny L,Rybarska J,Zembala M

更新日期：1984-01-01 00:00:00

abstract：:Peripheral blood from 11 newly diagnosed patients with insulin-dependent diabetes mellitus (IDDM) was studied for the proportion of monoclonal antibody (HNK 1, Leu 7) defined natural killer (NK) cells using a fluorescence-activated cell sorter analyzer. The proportion of Leu 7+ cells in patients with IDDM (7.0 +/- 4.0...

journal_title：Immunology letters

authors： Chandy KG,Charles MA,Buckingham B,Waldeck N,Kershnar A,Gupta S

更新日期：1984-01-01 00:00:00

abstract：:The binding of nascent human C3b (i.e. the fragment of C3 just after trypsin cleavage) to mouse peritoneal macrophages was demonstrated by immune adherence. Acceptor-bound C3b could be detected longer than 24 h on the cell membrane. The rosette formation and phagocytosis of SRBC coated with anti-SRBC rat IgG was inhib...

journal_title：Immunology letters

authors： Fábry Z,Erdei A,Gergely J

更新日期：1983-06-01 00:00:00

abstract：:A rapid, sensitive and simple method is provided for detecting Bence-Jones proteins in unconcentrated urine by electrosyneresis. This is based on the fact that the free light-chains, similar to the intact immunoglobulin molecules, form complexes with albumin under the effect of glutaraldehyde. Consequently, the origin...

journal_title：Immunology letters

authors： Ottó S

更新日期：1983-04-01 00:00:00

abstract：:Allogeneic, H-2-incompatible irradiation chimeras (H-2d leads to H-2b) constructed with normal, unmanipulated bone marrow and with marrow-derived factors live long and do not manifest a GvH disease. Their response to primary immunization is deficient but their alloreactivity is normal. This chimeric allotolerance cann...

journal_title：Immunology letters

authors： Pierpaoli W,Maestroni GJ

更新日期：1983-04-01 00:00:00

abstract：:DNA-dependent RNA polymerase was partially purified from wheat germ extract and tested for inhibition by antinuclear autoantibodies from the sera of patients with connective tissue diseases. The enzyme was inhibited by anti-DNA and by autoantibodies to the nuclear ribonucleoprotein nRNP. Autoantibodies to other ribonu...

journal_title：Immunology letters

authors： Hough DW,Miller NI,Maddison PJ

更新日期：1983-03-01 00:00:00

abstract：:Serum obtained from mice infected with Trypanosoma cruzi have antibodies able to induce immune lysis in presence of complement. Gel filtration in Sephadex G-200 and affinity chromatography with rabbit anti-mouse IgG and protein A-Sepharose showed that the antibodies responsible for the immune serum lytic activity are ...

journal_title：Immunology letters

authors： Stefani MM,Takehara HA,Mota I

更新日期：1983-01-01 00:00:00

abstract：:The physiologically occurring tetrapeptide, tuftsin (Thr-Lys-Pro-Arg), was examined for its effects on guinea pig peritoneal macrophages. Adherent macrophages (møo) were exposed to tuftsin at concentrations ranging from 10(8) to 10(6) M, and the release of oxygen radicals and the arachidonic acid cyclo-oxygenation pro...

journal_title：Immunology letters

authors： Hartung HP,Toyka KV

更新日期：1983-01-01 00:00:00

abstract：:Cultured T lymphocytes from pig blood can be activated by the phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA). Activation is additive with that induced by the mitogenic lectin phytohaemagglutinin (PHA). Activation by TPA differs from that induced by PHA or other mitogenic lectins in that it is not inhibited e...

journal_title：Immunology letters

authors： Kay JE,Meehan RT,Benzie CR

更新日期：1983-01-01 00:00:00

abstract：:Small soluble IgG aggregates of defined size were prepared from pooled human IgG by gel filtration chromatography, and examined by analytical ultracentrifugation. Three such fractions, dimer-rich, trimer-rich and 25S aggregate were used to inhibit IgG monomer binding in a study of the influence of aggregation in the b...

journal_title：Immunology letters

authors： Ratcliffe A,Stanworth DR

更新日期：1983-01-01 00:00:00

abstract：:H-2-linked gene(s) have been found to play a role in the quantitative regulation of response to human gamma-globulin (HGG) in mice selected for high or low antibody responsiveness to sheep erythrocytes. Unexpectedly, in a random genetically heterogeneous population of F2 interline hybrids, the gene(s) linked to the H-...

journal_title：Immunology letters

authors： Heumann AM,Mouton D,Biozzi G

更新日期：1982-11-01 00:00:00

abstract：:Two types of inhibition of basic peptide-induced rat mast cell secretion are reported. Pretreatment of rat peritoneal mast cells with Vibrio comma neuraminidase, an enzyme which cleaves sialic acid from oligosaccharides, led to inhibition of 5-hydroxytryptamine release induced by the basic peptides polylysine, cortico...

journal_title：Immunology letters

authors： Coleman JW

更新日期：1982-10-01 00:00:00

abstract：:Serum antibodies reactive with intermediate filaments of the cytoskeleton (anti-IF antibodies) are often present in infectious mononucleosis, some other viral diseases, and rheumatoid arthritis. The mechanism of their production is not known, but it is possible that the formation of this and other autoantibodies resul...

journal_title：Immunology letters

authors： Mortazavi-Milani SM,Stierle HE,Holborow EJ

更新日期：1982-10-01 00:00:00

abstract：:We have described a monoclonal antibody with specificity for permeability-altered drug-resistant cells. This gamma G2b antibody was characterized by antibody-mediated complement-dependent cytotoxicity and by immunofluorescence analysis using a flow cytometer-cell sorter. Further experiments with the flow cytometer sho...

journal_title：Immunology letters

authors： O'Hara CJ,Price GB

更新日期：1982-07-01 00:00:00

abstract：:Incorporation of [3h]thymidine ([3H]TdR) into concanavalin A (Con A)-stimulated murine splenocytes was found to be enhanced by addition of certain concentrations of ethanol, 2-propanol and acetone. The alcohol/acetone-induced enhancement of the Con A response was found to be accompanied by an increase of the percentag...

journal_title：Immunology letters

authors： Raile A,Hammann KP,Scheiner O,Schulz T,Erdei A,Dierich MP

更新日期：1982-06-01 00:00:00

abstract：:Antibody-like molecules were formed by artificial recombination of proteolytic IgG fragments (Fab' with anti-SRBC activity, and Fc) and used for studies concerning the complement fixation. Such molecules, when composed of single Fab' bound to Fc fragment appeared inactive, while species containing two Fab' fragments r...

journal_title：Immunology letters

authors： Rybarska J,Konieczny L,Bobrzecka K,Laidler P

更新日期：1982-05-01 00:00:00

abstract：:Cloned human T-cell lines were produced by limiting dilution of lymphocytes alloactivated in mixed leukocyte cultures, followed by expansion of clonal progeny with interleukin 2. Selected clones were analyzed for cell-mediated cytotoxicity (CTX) against a variety of targets susceptible or resistant to lytic attack by ...

journal_title：Immunology letters

authors： Pawelec G,Hadam M,Müller C,Wernet P

更新日期：1982-05-01 00:00:00

abstract：:Partially purified IgE receptor(s) of rat basophilic leukemia cells (RBL) designated R and H and having apparent molecular weight of 45,000 and 55,000 daltons, respectively, were subjected to proteolysis with papain. Polyacrylamide gel electrophoresis of the digests in the presence of sodium dodecyl sulfate revealed a...

journal_title：Immunology letters

authors： Roth PA,Froese A

更新日期：1982-03-01 00:00:00

abstract：:Sera from 2 subacute sclerosing panencephalitis (SSPE) patients were absorbed with a concentrated preparation of measles virus. Measles-specific IgG was eluted from the precipitates containing measles antigen-antibody complex. These IgGs, when subjected to immunofixation after isoelectric focusing showed a number of o...

journal_title：Immunology letters

authors： Mehta PD,Thormar H

更新日期：1982-02-01 00:00:00

abstract：:Applying 2 M KBr, membranes of Ehu were solubilized. By C3-affinity chromatography an activity could be isolated that inhibited the immune adherence reaction and C3b-dependent rosette formation. Since this material did not agglutinate EAC14oxy23b we termed it monovalent C3b receptor (mC3bR). PAGE and SDS-PAGE and stai...

journal_title：Immunology letters

authors： Mussel HH,Ehlen T,Schmitt M,Kazatchkine MD,Neyses L,Dierich MP

更新日期：1982-01-01 00:00:00

abstract：:Using the method of estimation of alpha-helical and beta-folded types of secondary structure from amino acid composition, it has been established that interferons contain about 60-70% of alpha-helices and not more than 10-20% of beta-structure. The same result was obtained using empirical and stereochemical rules for ...

journal_title：Immunology letters

authors： Zav'yalov VP,Denesyuk AI

更新日期：1982-01-01 00:00:00

abstract：:CBA spleen cells have been stimulated in vitro with A/Jap influenza virus-infected CBA spleen cells to generate a 'primary' cytotoxic lymphocyte (CL) response. The culture conditions were devised to allow the segregation of individual clones of CL and cytotoxicity measured by the lysis of infected or non-infected L-92...

journal_title：Immunology letters

authors： Komatsu Y,Nawa Y,Marbrook J

更新日期：1982-01-01 00:00:00

abstract：:Human Clq, a subcomponent of the first component of complement interacts with human fibronectin. Using ELISA methodology fixation of Clq to solid phase fibronectin, as well as fibronectin to solid phase Clq has been demonstrated. Cl in its native macromolecular form displays little reactivity for fibronectin, nor does...

journal_title：Immunology letters

authors： Isliker H,Bing DH,Lahan J,Hynes RO

更新日期：1982-01-01 00:00:00

abstract：:The cellular source of murine LAIF detected by an indirect leukocyte adherence inhibition (LAI) assay using capillary tubes was investigated using non-inducing peritoneal cells (PC) from normal and spindle-cell sarcoma-bearing A/J mice. Cell populations containing greater than 95% T-cells, B-cells or macrophages were ...

journal_title：Immunology letters

authors： Myers WL,O'Keefe ML,Gregory S

更新日期：1981-11-01 00:00:00

abstract：:Antibody-dependent and spontaneous lymphocytotoxicity of blood mononuclear cells from 15 patients with chronic renal failure was studied in allogeneic K-562 and xenogeneic chicken erythrocyte test systems. Both antibody-dependent and spontaneous cytotoxic activities were significantly decreased in uremic patients as c...

journal_title：Immunology letters

authors： Láng I,Taraba I,Petrányi G

更新日期：1981-11-01 00:00:00

abstract：:A survey of the appearance of natural antibodies in C57BL/6 mice, measured by a complement-dependent cytotoxicity test against syngeneic radiation leukemia virus-induced lymphoma, was performed. Activity could be detected in sera from 5- to 14-month-old animals. This activity could be attributed mainly to IgM antibodi...

journal_title：Immunology letters

authors： Rubio N

更新日期：1981-10-01 00:00:00

abstract：:Intravenous infusion of 1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine (AGEPC), a synthetic platelet-activating factor (PAF), induced fatal anaphylactoid reaction in guinea pigs, or reversible thrombocytopenia and leucopenia. These reactions showed a maximal depression of circulating platelet and leucocyte numbers...

journal_title：Immunology letters

authors： Demopoulos CA,Tsabikakis GE,Kapoulas VM

更新日期：1981-08-01 00:00:00

abstract：:In studying terminal lytic events of sensitized erythrocytes which have reacted with all 9 components of complement, we agree in general with the conclusions of Boyle and Borsos [1] that the cellular intermediate passes through the stages E*bound, E*inserted, and E*doomed. However, we differ with these workers on the ...

journal_title：Immunology letters

authors： Wirtz GH,Westfall SS

更新日期：1981-04-01 00:00:00