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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 22 (1971), S. 277-282 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 21 (1970), S. 384-388 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Erhöhung der Immunsuppression von Antilymphozytenserum durch zwei weitere Behandlungen des Knochenmarkspenders wurde untersucht. Dabei wurde eine stark H2-unverträgliche Spender-Empfänger-Kombination gewählt, nämlich C57B1/6J auf CBA/J-Empfänger. In dieser Kombination führt ALS zu einer Verzögerung des Auftretens der Sekundärkrankheit aber—in der Mehrzahl der Tiere—genau wie bei Primaten nicht zur vollständigen Unterdrückung der chronischen Sekundärkrankheit. Eine Behandlung des Knochenmarkspenders mit ALS und Hammelerythrozyten verzögerte die chronische Sekundärkrankheit signifikant mehr als mit ALS allein. Eine Behandlung des Knochenmarkspenders mit Thymektomie und ALS führte zu einer Überlebenszeit von 75% der Empfängertiere am 100. Tag post transpl. Diese Tiere zeigten keine klinischen Zeichen der chronischen Sekundärkrankheit. Hauttransplantate vom Spenderstamm, die ihnen am 100. Tag transplantiert worden waren, zeigten einen uneingeschränkten Haarwuchs von der Haarfarbe des Spenderstammes.
    Notes: Summary The enhancing effect of two kinds of treatments combined with ALS on chronic secondary disease was studied. The strongly H2-incompatible donorrecipient combination C57BL/6J to CBA/J was used because antilymphocytic serum (ALS) in this combination delays but—as in the primates—is unable to prevent secondary disease in the majority of animals. A treatment of the donor with ALS and sheep red blood cells delayed the onset of chronic secondary disease significantly more than with ALS alone. A treatment of the donor with thymectomy and ALS led to a 100 day survival of 75% of the recipient mice. These animals did not show clinical signs of chronic secondary disease. Skingrafts of the donor strain placed on the recipients on the 100th day showed a good hair growth 30 days later.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The immunosuppressive effect of an ALγG-(rabbit anti-mouse-lymphocyte-γ-globulin)—treatment of the bone marrow of NγG-(rabbit normalγ-globulin)—tolerant donors was measured by the survival time of H2-incompatible allogeneicic recipients after transplantation of the donor cells. It was demonstrated that the survival time of mice grafted with ALγG-treated bone marrow from ALγG-tolerant donors is shorter than the one of mice grafted with ALγG-treated bone marrow from ALγG-intolerant donors (p≦0.05). It was deduced from this that two different components take part in the immunosuppressive activity of ALγG on chronic secondary disease: 1) the lymphocytotoxic activity and 2) the immunogenic activity.
    Notes: Zusammenfassung Es wurde die immunsuppressive Wirkung einer 6tägigen ALγG-Behandlung auf das Knochenmark ALγG-toleranter Spender an Hand der Überlebenszeit letal bestrahlter, allogener Empfänger getestet. Dabei ergab sich, daß Mäuse, die das mit ALγG behandelte Knochenmark ALγG-toleranter Tiere erhielten, eine geringere Überlebenszeit aufwiesen als Mäuse, die Knochenmark von nicht-toleranten ALγG-behandelten Mäusen bekamen (p≦0,05). Wir folgern daraus, daß sich die immunsuppressive Wirkung von ALγG aus einer lymphocytotoxischen und einer immunogenen Komponente zusammengesetzt.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1440
    Keywords: Acute lymphatic leukemia ; Chronic lymphatic leukemia ; Anti-T-lymphocyte globulin ; Akute lymphatische Leukämie ; Chronische lymphatische Leukämie ; Anti-T-Lymphocyten-Globulin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bisherige Schwierigkeiten in der Herstellung spezifischer Antiseren gegen T-Lymphocyten lassen sich durch eine stufenweise Absorptions-und Reinigungsprozedur von Anti-Human-Thymocytenserum überwinden. Spezifisches Anti-Human-Thymocyten-Globulin (sATG) reagierte mit Thymocyten, thymus-abhängigen Lymphocyten und einer lymphoblastoiden Zell-Linie vom T-Zell-Typ, während keine Aktivität gegen lymphoblastoide Zell-Linien vom B-Zell-Type nachzuweisen war. Mit Hilfe von sATG, eingesetzt im Cytotoxizitätstest, in der Elektronenmikroskopie, dem Komplementfixationstest und der quantitativen Immunoautoradiographie, wurden fünf chronische und drei akute lymphatische Leukämien charakterisiert und mit Lymphocytenpopulationen von Normalpersonen verglichen. Drei chronische lymphatische Leukämien mit niedrigen Spontanrosettenzahlen und hohen Prozentzahlen Membran-Ig-positiver Lymphocyten zeigten nur wenige T-Zell-Antigen-positive Lymphocyten und wurden daher als B-Zell-Leukämien klassifiziert. Die Zellen zweier chronischer lymphatischer Leukämien mit hohen Spontanrosettenzahlen trugen das T-Zell-Antigen, die Antigen-Konzentration jedoch lag niedriger als die von normalen peripheren Blut-T-Lymphocyten. Die T-Zell-Natur zweier akuter lymphatischer Leukämien mit hohen Spontanrosettenzahlen wurde durch eine positive Reaktion der Zellen mit sATG bestätigt. In einem Fall von akuter lymphatischer Leukämie wurden trotz fehlender Spontanrosettenbildung überwiegend T-Zell-Antigen-positive Zellen gefunden. In den beiden ersten Fällen lag die T-Zell-Antigen-Konzentration höher als auf normalen Blut-T-Lymphocyten, im letzteren Fall geringfügig darunter. Die Vorteile der Charakterisierung von Leukämien mit sATG im Vergleich mit der Spontanrosettenbildung und die Bedeutung für die Prognostik werden diskutiert.
    Notes: Summary Difficulties in the production of specific antisera against T-lymphocytes could be overcome by a stepwise absorption and purification procedure of anti-human thymocyte serum. Specific anti-T lymphocyte globulin (sATG) reacted with thymocytes, thymus-derived lymphocytes and a lymphoblastoid cell line of T-cell type whereas no activity was found against lymphoblastoid cell lines of B-cell type. Five chronic and three acute lymphatic leukemias were characterized using sATG in the cytotoxic test, electron microscopy, complement fixation test and quantitative immunoautoradiography, and compared with lymphocyte populations of normal individuals. Three chronic lymphatic leukemias with low numbers of spontaneous rosettes and high percentages of membrane-Ig-positive lymphocytes showed only few T-cell-antigen-positive lymphocytes and were therefore classified as B-cell leukemias. The cells of two chronic lymphatic leukemias with high numbers of spontaneous rosettes carried T-cell-antigen. The T-cell-antigen concentration, however, was lower than that of normal peripheral blood T-lymphocytes. The T-cell nature of two acute lymphatic leukemias with high numbers of spontaneous rosettes was confirmed by a positive reaction of the cells with sATG. In one case of acute lymphatic leukemia most leukemic cells carried T-cell-antigen although these cells did not form spontaneous rosettes. In the first two cases the T-cell-antigen concentration on the cell surface exceeded that of normal blood-T-lymphocytes, in the latter case it was slightly below that. The advantages of the characterization of leukemias with sATG in comparison with the spontaneous rosette formation and the relevance for prognosis are discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Immunogenetics 7 (1978), S. 507-514 
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Recombinational analysis has shown that the rat MHC,RT1 is divided into two regions:RT1.A, which codes for class I (transplantation) antigens, andRT1.B, which controls the humoral immune response and proliferative response to allogeneic cells as well as the expression of class II (Ia) antigens. Serological and sequence studies suggest that there might be more than one antigen-coding locus within theRT1.A region. Results obtained by sequential immunoprecipitation reveal that both regions code for at least two gene products. By implication, theRT1 complex must therefore harbor at least four loci;RT1.A andD coding for class I glycoproteins (45,000 daltons); andRT1.B andE coding for class II (Ia) glycoproteins (35,000 and 28,000 daltons).
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Immunogenetics 8 (1979), S. 447-459 
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The antigen specificity of hybridoma antibodies with activity against H-2 antigens was analyzed by testing lymphocytes of inbred lines and their recombinants, as well as B10.W lines and wild mice in relation to the reactivity of alloantisera. Within the limited test panel of 11 inbred strains and their recombinant derivatives, the hybridoma antibodies reacted concordantly to alloantisera with public (H-2.5, H-2.11, and Ia. 13) and private (H-2.23) antigens. However, when tested on cells of B10.W lines or wild mice discordant reactions were observed, indicating that the antigenic determinants recognized by the hybridoma antibodies are included in the antigens defined by alloantisera within the inbred test panel. In wild mouse populations, these determinants do also occur independently of those which comprise the alloantisera-defined specificities. The results point to an even higher complexity of MHC antigens than envisaged so far, and it appears that a certain allele might be defined only by a certain set of antigenic determinants. Because of the discrepant reactions of alloantisera and hybridoma antibodies, it has been proposed that antigenic determinants detected by hybridoma antibodies receive a numerical designation according to their description but independent of antigens defined by alloantisera, even if they match the reactivity pattern of an alloantiserum-defined antigen specificity within the inbred panel.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Immunological reviews 47 (1979), S. 0 
    ISSN: 1600-065X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Electrochimica Acta 38 (1993), S. 757-762 
    ISSN: 0013-4686
    Keywords: electron transport ; photoelectrochemistry ; photosynthesis ; photosystems ; thylakoids ; voltammetry
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 274 (1978), S. 90-92 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 SDS-PAGE profile of BN.B4 molecules precipitated by (Lewis x BN.B2) Fl anti-DA antiserum. Triton X-100-solubilised antigens from 7.5xl05 3H-tyrosine labelled BN.B4 spleen cells were incubated with 20 p.1 antiserum overnight at 4C. Antigen-antibody complexes were collected by adsorption to S. ...
    Type of Medium: Electronic Resource
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