[The molecular, cellular and systemic mechanisms of the radioprotective action of multivitamin antioxidant complexes].

Exposure to radiation, as well as holding under conditions of limited mobility during 24 h induced decrease of thymus cell number in mice. Usage of water-dispersed forms of beta-carotene with addition of vitamins E and C protected thymus against cellular devastation induced by irradiation and stress, and increased the efficiency of DNA repair in spleen of irradiated mice.