Abstract From an investigation of the activity of six glucocorticoid dependent liver enzymes, the existence of chronic, transient, stress-induced hypercorticosteronaemia during flight is probable. This hypercorticosteronaemia arises from weightlessness and induces gluconeogenesis. Weightlessness also caused substantial increases in liver glycogen level. The increased lipolytic activity and that of lipoprotein lipase in several groups of animals could be interpreted as enhancement of fat mobilization and utilization under the influence of stress. As this latter enhancement was also found in ground-based controls, it may have been due to the stress of handling rather than to space flight per se.


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    Title :

    Metabolic changes in rats subjected to space flight for 18.5 days in the biosatellite Cosmos 936


    Contributors:
    Németh, Š. (author) / Macho, L. (author) / Palkovič, M. (author) / Škottová, N. (author) / Tigranyan, R.A. (author)

    Published in:

    Advances in Space Research ; 1 , 14 ; 219-224


    Publication date :

    1981-01-01


    Size :

    6 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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