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  • Title: Prolonged weightlessness and humoral immunity.
    Author: Voss EW.
    Journal: Science; 1984 Jul 13; 225(4658):214-5. PubMed ID: 6729476.
    Abstract:
    Preflight, inflight, and postflight serum samples obtained from crewmen aboard STS-9 were analyzed for immunoglobulin content. Control studies for circadian rhythm were conducted to further validate the analyses. Quantitation of immunoglobulins G, M, A, D, and E indicated relatively minor fluctuations in the concentration of each class of immunoglobulin during the experiment. Thus, microgravity effects on immunoglobulin levels during a 10-day flight were considered insignificant.
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