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pubmed:abstractText |
Arrest of the cell cycle in G2 phase following DNA damage helps protect cell viability by allowing time for DNA repair before entry into mitosis (M phase). Abrogation of G2 arrest sensitizes cells to the effects of DNA-damaging agents. UCN-01 (7-hydroxystaurosporine), a protein kinase C inhibitor that may block G2 checkpoint regulation, has been reported to enhance the cytotoxicity of mitomycin C, a known DNA-damaging agent.
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pubmed:affiliation |
Laboratory of Biological Chemistry, Division of Basic Science, National Cancer Institute, Bethesda, MD, USA.
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