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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 47 (1983), S. 157-163 
    ISSN: 1432-0584
    Keywords: Immunological diagnosis ; Monoclonal antibodies ; Myeloid leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Various monoclonal antibodies (mAbs) detecting certain different epitopes on myeloid cells (VIMD 5, D 5 D 6, OKM 1, Leu-M3, VIEG 4, OKIa 1) have been used in combination with conventional markers (antihuman myeloid hetero-antiserum, FcIgG-receptors, C3d-receptors) to further define the phenotypic heterogeneity of myeloid leukemia. Subsequent leukemic samples from previously untreated patients with acute myeloid leukemia (AML) (51 adults, 24 children) and from nine adult patients in the acute phase of chronic myeloid leukemia (CML-BC) were studied. It was possible to demonstrate quantitative differences in the expression of antigens on the various leukemia subtypes which could be exploited for diagnosis. Furthermore our results revealed that there is a very close correlation between the different surface phenotypes and the types morphologically assessed according to FAB-criteria.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 55 (1977), S. 1165-1171 
    ISSN: 1432-1440
    Keywords: Haemophilia A ; Haemorrhagic diathesis ; Thrombocytopathy ; Hämophilie A ; Hämorrhagische Diathese ; Plättchenfunktionsstörung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über 2 Patienten mit Hämophilie A berichtet, bei denen sich während einer operationsbedingten hochdosierten Substitutionstherapie mit antihämophilem Globulin vorübergehend eine Thrombozytenfunktionsstörung mit manifester hämorrhagischer Diathese einstellte. Zum Zeitpunkt der Blutung waren bei ausreichend hoher Faktor VIII-Aktivität der Fibrinogenwert im Plasma auf 1700 mg-% und der Gehalt an Faktor VIII-assoziiertem Antigen auf über 600% der Norm angestiegen. Da es während der Substitution zu keiner Zeit gelang, Fibrinogenspaltprodukte oder Komponenten des antihämophilen Globulins mit üblichen Methoden nachzuweisen, wird — unterstützt durch „in vitro“-Untersuchungen der Thrombozytenaggregation — die Ansicht vertreten, daß die Beladung der Plättchenoberfläche mit überschüssig zugeführten Proteinen ursächlich mit der thrombozytären Funktionsstörung zusammenhängt. Die Bedeutung kleinmolekularer und dialysierbarer Faktor VIII-Komponenten wird ebenso wie die Möglichkeit immunpathologischer Vorgänge diskutiert.
    Notes: Summary This report describes two patients with haemophilia A who developed a transient thrombocytopathy with haemorrhagic diathesis during post-operative high-dose replacement therapy with antihaemophilic globulin. At the time of the bleeding the factor VIII-activity was in the normal range in both patients. The fibrinogen level, however, was elevated to 1700 mg-% and the factor VIII-associated antigen rose to more than 6-fold. At no time of replacement therapy with antihaemophilic globulin could either fibrinogen split products or fragments of the factor VIII-protein be detected by the usual methods. In view of the results of the thrombocyte aggregation experiments the authors postulate a disturbance of platelet function at the level of the membrane surface due to an overload of increased amounts of circulating proteins. Both the possible interference of dialysable factor VIII-components and the role of immunpathologic phenomena are discussed.
    Type of Medium: Electronic Resource
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