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Effect of space flight conditions on deoxyribonucleoprotein and nucleic acid concentrations in rat tissues

Misurova, E.; Tigranyan, R.A.; Kropaceva, K.; Praslicka, M.

Kosmicheskaia Biologiia i Aviakosmicheskaia Meditsina 13(5): 32-35

1979

ISSN/ISBN: 0321-5040
PMID: 491532
Document Number: 143234
The spleen of rats flown for 19.5 days aboard the biosatellite Cosmos-782 showed a significant increase of polydeoxyribonucleotides and a decrease of DNP and DNA. The spleen of synchronous rats did not exhibit any differences. The increase of polydeoxyribonucleotides in flight rats immediately post-recovery may be a result of the so-called gravity stress. The liver and white blood cells did not display any significant changes in DNP or nucleic acids. The changes in the content of nucleic acids in the thymus and bone marrow were insignificant.

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