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Although ionizing radiation is known to induce cellular senescence in vitro and in vivo, its long-term in vivo effects are not well defined. In this study, we examined the prolonged expression of senescence markers in mice irradiated with single or fractionated doses. C57BL/6 female mice were exposed to 5 Gy of γ-rays in single or 5, 10, 25 fractions. At 2,(More)
PURPOSE The influence of ionizing radiation (IR) on neuronal differentiation is not well defined. In this study, we investigated the effects of IR on the differentiation of Neuro-2a mouse neuroblastoma cells and the involvement of tumor protein 53 (p53) and mitogen-activated protein kinases (MAPK) during this process. MATERIALS AND METHODS The mouse(More)
Most studies of IR effects on neural cells and tissues in the brain are still focused on loss of neural stem cells. On the other hand, the effects of IR on neuronal differentiation and its implication in IR-induced brain damage are not well defined. To investigate the effects of IR on C17.2 mouse neural stem-like cells and mouse primary neural stem cells,(More)
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