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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diabetologia 14 (1978), S. 185-190 
    ISSN: 1432-0428
    Keywords: Duck ; adipose tissue ; FFA release ; glucagon ; insulin ; glucose uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present study was undertaken to determine how free fatty acid (FFA) release by adipose tissue can occur in the absence of pancreatic glucagon, the most potent lipolytic hormone in the duck. Two possible explanations have successively been investigated. Replacement therapy experiments showed that glucose uptake was implicated in the phenomenon; indeed, when pre-operative insulin and glucose levels were restored after total pancreatectomy, plasma FFA progressively fell to a level significantly lower than the pre-operative value. The same effect was observed when the ducks were kept in a continuous state of hyperglycaemia, whereas “normal” levels of insulin or glucose alone were shown to be ineffective. On the other hand a compensatory mechanism for the lack of glucagon, by other lipolytic agents [with the intestine or the anterior pituitary as possible sources] has been excluded by associating the removal of these two organs with pancreatectomy. These experiments suggest that the lack of pancreatic glucagon induced by total pancreatectomy is essentially masked by a failure in glucose uptake due to the operation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 53 (1975), S. 437-440 
    ISSN: 1432-1440
    Keywords: Monocyten ; Phagocytose ; NBT-Test ; M. Hodgkin ; Lymphorsarkom ; Monocytes ; phagocytosis ; NBT test ; M. Hodgkin ; lymphosarcoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The monocytes of 7 patients with advanced Hodgkin disease (stages III and IV) and of two patients with generalized lymphosarcoma exhibited a highly significant impairment of the phagocytosis of IgG-coated red cells, regardless of receiving therapy or not. In contrast three patients with M. Hodgkin, stage II B, and one with lymphorsarcoma in complete remission showed a rather elevated monocyte phagocytic activity. The nitroblue tetrazolium reduction by monocytes in the mean was significantly enhanced in all patients investigated, compared with normal persons, although only in one patient a bacterial infection was apparent at the time of the test. The possible implication of the findings in the well known immunodeficiency present in M. Hodgkin and lymphosarcoma is discussed.
    Notes: Zusammenfassung Die Monocyten von 7 Patienten mit fortgeschrittenem M. Hodgkin (Stadium III und IV) und von 2 Patienten mit generalisiertem Lymphosarcom zeigten eine hoch signifikant verminderte Phagocytose von IgG-beladenen Erythrocyten, unabhängig davon, ob eine Therapie bereits durchgeführt war oder nicht. Demgegenüber war die Phagocytose-Aktivität bei 3 Patienten mit M. Hodgkin, Stadium II und einem mit Lymphosarkom in Vollremission eher gegenüber der Norm gesteigert. Die Reduktion von Nitroblau-Tetrazolium durch Monocyten war bei allen untersuchten Patienten im Vergleich zu Normalpersonen im Mittel signifikant gesteigert, obwohl nur ein Patient zum Zeitpunkt der Untersuchung einen gesicherten bakteriellen Infekt aufwies. Die mögliche Bedeutung dieser Befunde für die bei diesen Erkrankungen bestehenden Immundefekte wird diskutiert.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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