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Effect of space flight on cytokine production and other immunologic parameters of rhesus monkeysDuring a recent flight of a Russian satellite (Cosmos #2229), initial experiments examining the effects of space flight on immunologic responses of rhesus monkeys were performed to gain insight into the effect of space flight on resistance to infection. Experiments were performed on tissue samples taken from the monkeys before and immediately after flight. Additional samples were obtained approximately 1 month after flight for a postflight restraint study. Two types of experiments were carried out throughout this study. The first experiment determined the ability of leukocytes to produce interleukin-1 and to express interleukin-2 receptors. The second experiment examined the responsiveness of rhesus bone marrow cells to recombinant human granulocyte-macrophage colony-stimulating factor (GM-CSF). Human reagents that cross-reacted with monkey tissue were utilized for the bulk of the studies. Results from both studies indicated that there were changes in immunologic function attributable to space flight. Interleukin-1 production and the expression of interleukin-2 receptors was decreased after space flight. Bone marrow cells from flight monkeys showed a significant decrease in their response to GM-CSF compared with the response of bone marrow cells from nonflight control monkeys. These results suggest that the rhesus monkey may be a useful surrogate for humans in future studies that examine the effect of space flight on immune response, particularly when conditions do not readily permit human study.
Document ID
20040173226
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sonnenfeld, G.
(Carolinas Medical Center Charlotte, NC 28232-2861, United States)
Davis, S.
Taylor, G. R.
Mandel, A. D.
Konstantinova, I. V.
Lesnyak, A.
Fuchs, B. B.
Peres, C.
Tkackzuk, J.
Schmitt, D. A.
Date Acquired
August 22, 2013
Publication Date
May 1, 1996
Publication Information
Publication: Journal of interferon & cytokine research : the official journal of the International Society for Interferon and Cytokine Research
Volume: 16
Issue: 5
ISSN: 1079-9907
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
unmanned
Non-NASA Center
NASA Discipline Regulatory Physiology
NASA Experiment Number COS 2229-2
short duration
Cosmos 2229 Project
Flight Experiment

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