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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 52 (1974), S. 51-53 
    ISSN: 1432-1440
    Keywords: Uremic osteodystrophy ; parathyroid hormone ; magnesium ; calcium ; secondary hyperparathyroidism ; Urämische Osteopathie ; Serum-Parathormon ; Magnesium ; Calcium ; sekundärer Hyperparathyreoidismus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Erhöhung der Dialysat-Magnesium-Konzentration von 1,5 mval/l auf 2,5 mval/l bei Verwendung einer Dialysat-Calcium-Konzentration von 3,5 mval/l führte zu keiner signifikanten Reduktion der radioimmunologisch gemessenen Serum-Parathormonspiegel. Bei ausreichend hohen Dialysat-Calcium-Konzentrationen bewirkt somit die Erhöhung der Dialysat-Magnesiumspiegel keine weitere meßbare Reduktion der PTH-Ausschüttung.
    Notes: Summary An inerease of dialysate magnesium concentration from 1.5 mval/l to 2.5 mval/l did not reduce significantly i PTH levels in haemodialysed patients, dialysed against 3.5 mEq Ca/l in the dialysate. Thus, when sufficiently high Ca concentrations in the dialysate are used, no further reduction of serum PTH levels is seen by elevating Mg in dialysate.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: MHC ; Cadaver kidney transplantation ; Graft survival rate ; Blood transfusions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The influence of prospective HLA-DR matching on the graft survival rate was investigated in a multicenter analysis of 85 transplants. Simultaneously in a retrospective analysis of graft outcome the importance of matching for MT-antigens MT1, MT2 and MT3 as a newly defined B-cell alloantigen system was evaluated. HLA-DR antigens and MT-specificities were determined on B-cells enriched by nylon-wool filtration using locally well characterised HLA-DR antisera and the antiserum set of the 8th International Histocompatibility Workshop (“discase set”) which allowed the definition of the HLA-DR specificities HLA-DR 1–9 and of the MT-antigens MT 1–3. HLA-DR matching showed a significantly improved graft outcome only in HLA-DR identical donor-recipient combinations. In 11 of 60 patients with one HLA-DR compatibility additional matching for two MT-antigens, however, improved the two year graft survival rate from 60% to 91%. Altogether 17 patients were matched for two MT-specificities with their kidney donor and showed a superior prognosis of 94% at two years compared to 53% or 17% of recipients with one or zero MT compatibility. Graft outcome in this patient group was also superior to that of HLA-DR identical or HLA-AB identical grafts. These data suggested that the MT-system rather than the HLA-DR antigens may be of critical importance in cadaver kidney transplantation. In addition a favorable influence of pretransplant blood transfusions on less HLA-DR matched grafts was confirmed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 56 (1978), S. 51-60 
    ISSN: 1432-1440
    Keywords: Kidney transplantation ; Rejection reaction ; Immune mechanisms ; Nierentransplantation ; Abstoßungsreaktion ; Immunmechanismen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Der Erfolg einer Nierentransplantation ist heute weitgehend von immunologischen Faktoren abhängig. Obwohl die Ergebnisse der klinischen Transplantation in den letzten Jahren zunehmend verbessert werden konnten, kommt es immer noch relativ häufig zur Abstoßung von Transplantaten. Das Schicksal eines Transplantats wird in erster Linie durch Unterschiede in den Histokompatibilitäts-Antigenen zwischen Spender und Empfänger bestimmt, die für die Stärke der immunologischen Reaktion verantwortlich sind. Nach der Transplantation kommt es im Empfänger zur Aktivierung von T- und B-Lymphozyten. Aus einer Subpopulation sensibilisierter T-Lymphozyten werden in Kooperation mit einer weiteren Subpopulation von T-Lymphozyten, den T-Helfer-Zellen, zytotoxische Effektorzellen generiert. Außerdem werden im Verlauf einer Abstoßungsreaktion Verstärkermechanismen der zellulären und humoralen Immunität ausgelöst. Von sensibilisierten Lymphozyten können Mediatoren sezerniert werden, die unspezifische Effektorzellen wie Monozyten, Granulozyten und Lymphozyten im Transplantat konzentrieren und zu ihrer Funktion aktivieren. Die Aktivierung von B-Lymphozyten führt zur Ausreifung Antikörper-sezernierender Plasmazellen. Antikörper können unter Komplementbeteiligung eine zytotoxische Schädigung des Transplantats verursachen oder Zellen zur sog. Antikörper-abhängigen Zytotoxizität befähigen. Andererseits können blockierende Antikörper, Immunkomplexe oder auch Suppressor-Lymphozyten einen protektiven Einfluß auf das Transplantat haben. Ziel dieser Arbeit ist es somit, diese vielfältigen Mechanismen, ihre Interaktion sowie Bedeutung für die klinische Nierentransplantation darzustellen. Es ist zu erwarten, daß das wachsende Verständnis in die Vorgänge bei der Abstoßungsreaktion das diagnostische und therapeutische Vorgehen beeinflußen wird und somit die Ergebnisse der Nierentransplantation in Zukunft verbessert werden können.
    Notes: Summary Today, the success of kidney transplantation largely depends upon immunological factors. Despite the fact that the results of clinical transplantation have continuously improved within the last years, graft rejection is still a relatively frequent event. The fate of a transplant is primarily dependent upon differences in the histocompatibility antigens between donor and recipient. These differences are responsible for the intensity of the immunological reaction. After transplantation there is an activation of T- and B-lymphocytes in the recipient. In cooperation with a subpopulation of T-lymphocytes, the T-helper cells, cytotoxic effector cells are generated from a further subpopulation of T-lymphocytes. In addition, amplifier mechanisms of cellular and humoral immunity are activated in the course of a rejection reaction. Sensitized lymphocytes may secrete mediators which concentrate the non-spezific cells such as monocytes, granulocytes and lymphocytes in the transplant and lead to the functional activation of these effector cells. The activation of B-lymphocytes leads to maturation of antibody secreting plasma cells. Antibodies cause cytotoxic damage to the transplant, either with involvement of the complement system or through cells which produce antibody-dependent cytotoxicity. On the other hand, blocking antibodies, immune complexes or suppressor lymphocytes may have a protective effect on the transplant. The aim of this paper is to describe the present state of knowledge of these diverse mechanisms, their mutual interactions as well as their relevance for clinical transplantation. It is expected that a better understanding of the immune reactions involved will influence the diagnostic as well as the therapeutic procedures used in patients with graft rejection, thus leading to better results for kidney transplantation in the future.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Cryobiology 21 (1984), S. 480-485 
    ISSN: 0011-2240
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Medicine 34 (1983), S. 133-144 
    ISSN: 0066-4219
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 45 (1982), S. 109-114 
    ISSN: 1432-0584
    Keywords: Monoclonal antibodies ; Cold agglutinins ; Anti-Pr subspecificities ; Neuraminic acid ; Neuraminidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A human monoclonal IgM-K cold agglutinin Ad, reacting with immunodominant neuraminyl groups on red cell membrane sialoglycoproteins, as typical for anti-Pr CA, was studied for its subspecificity. Inhibition experiments with chemically modified red cell sialoglycoproteins and agglutination studies with animal red cells showed that the CA Ad did not fit into the subspecificities anti-Pr1h,-Pr1d,-Pr2,-Pr3. Cold agglutinin Ad presents a new specificity within human monoclonal antibodies against immunodominant neuraminyl groups.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 41 (1978), S. 73-87 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Antigen, gene, and haplotype frequencies as well as phenotype distribution of the HLA system were studied in a series of 213 individuals in northern Thailand. The series consisted of 160 northern Thais, 23 Thai individuals from various other regions of Thailand, and 25 persons of Chinese origin. Most frequently found were the alleles HLA-A11 and HLA-Bw40 and the haplotype HLA-A2, B-. Phenotype distribution followed a Hardy-Weinberg expectation. Significant differences were found especially between our results for the alleles of locus B and the results of a series from Bangkok reported by Chiewsilp and Chanarat (1976).
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 42 (1978), S. 201-213 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary To investigate immunogenetics of leprosy, 205 leprosy patients (26 with tuberculoid, 57 with borderline-tuberculoid, 21 with borderline, 31 with borderline-lepromatous, and 70 with lepromatous leprosy) have been typed for HLA antigens, and compared with 183 healthy controls from the same region (Nothern Thailand). There was no significant difference between the overal group of leprosy patients or the three borderline classes and the controls. The two polar forms, tuberculoid and lepromatous leprosy, however, showed significant associations: HLA-A2 is decreased and HLA-Bw17 is increased in tuberculoid leprosy; HLA-B7 is increased in lepromatous leprosy. When both polar forms are compared with each other, HLA-A2 is significantly higher, HLA-Bw40 lower in patients with lepromatous than in those with tuberculoid leprosy. The results are discussed with respect to the different immune responsiveness in the two polar forms of leprosy.
    Type of Medium: Electronic Resource
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