Low doses of ionizing radiation suppress doxorubicin-induced senescence-like phenotypes by activation of ERK1/2 and suppression of p38 kinase in MCF7 human breast cancer cells.

Abstract excerpt

Low-dose radiation has a variety of effects on cellular activities, including the cell division cycle, apoptosis, proliferation and senescence. However, the effects of low doses of radiation remain controversial. In this study, we examined the effects of low-dose radiation on cellular senescence. We treated MCF7 cells with 0.01 microg/ml doxorubicin to induce replicative senescence, 2 h after exposure to low...

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