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  • Title: [Skeletal muscle mixed fiber tissue metabolism in rats after a flight on the Kosmos-690 biosatellite].
    Author: Gaevskaia MS, Belitskaia RA, Kolganova NS, Kolchina EV, Kurkina LM.
    Journal: Kosm Biol Aviakosm Med; 1979; 13(3):28-31. PubMed ID: 449263.
    Abstract:
    On the R+O day the quadriceps muscle of rats showed a decrease in the content of T protein and an inhibition of LDH activity of sacroplasmatic proteins. These changes resulted from the combined affect of space flight factors and gamma-irradiation, and may be considered as a decline of compensatory synthetic processes responsible for the recovery of muscle proteins in weightlessness. Inhibition of the age-associated shift of the M:H ratio of LDH found on the R+25 day can be attributed to the inhibitory effect of gamma-irradiation. No change in the content of glycogen in the gastrocnemius muscle of flight rats was noted.
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