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  • Title: [Individual cytogenetic and molecular-biological characteristics of lymphocytes in blood of pilots and cosmonauts].
    Author: Pelevina II, Antoshchina MM, Bondarenko VA, Vorob'eva NIu, Voronkov IuI, Gotlib VIa, Kudriashova OV, Osipov AN, Riabchenko NI, Serebrianyĭ AM, Tsetlin VV.
    Journal: Radiats Biol Radioecol; 2007; 47(2):141-50. PubMed ID: 17571722.
    Abstract:
    The purpose of this paper was the investigation of the pilots and of cosmonauts individual sensitivity to the fly conditions, to the additional irradiation (in the dose of 1 Gy), the adaptive response manifestation (in the doses 0.05 and 0.5 Gy). The DNA comet assay (the double strand DNA breaks was determined) and the method of unstable chromosome aberrations in metaphase was used. The human blood lymphocytes was the object of investigation. The significant individual differences were discovered in pilots and in cosmonauts in the initial DNA damage; in the sensitivity to the additional irradiation. The frequency of the adaptive response induction was decreased in the pilots in the comparison with the control group. The adaptive response was registered in cosmonauts (3 men). It is supposed that DNA damage, chromosome aberrations, sensitivity to the additional irradiation, the adaptive response manifestations can be used as biological markers of individual risk disease.
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