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Radiobiological effects of olipifat during radiation exposure
S D Ivanov1, E G Kovan'ko, V A Yamshanov
1Central Roentgenoradiological Institute, Ministry of Health of the Russian Federation.
Abstract:
Preventive injections of olipifat to rats (intramuscularly in a single dose of 250 mg/kg 24 h before gamma-exposure in a dose of 7.6 Gy) decrease animal mortality from 70 to 50%, the mean life span of dead rats remained unchanged. Injection of olipifat before exposure in a dose of 5.2 Gy did not change animal mortality in comparison with irradiated controls, but stimulated postradiation recovery of leukocyte count (mainly the granulocytic component and less so the increase in lymphocyte count). No appreciable effects of olipifat on the postradiation changes in individual fractions of blood leukocytes were observed in animals exposed in a dose of 7.6 Gy.
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