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The functions of microRNAs (miRNAs) as either oncogenes or tumor suppressors in regulating cancer-related events have been established. We analyzed the alterations in the miRNA expression profile of the glioma cell line U-251 caused by ionizing radiation (IR) by using an miRNA array and identified several miRNAs whose expression was significantly affected(More)
Despite the involvement in diverse physiological process and pleiotropic expression profile, the molecular functions of Nur77 are not likely to be fully elucidated. From the effort to find a novel function of Nur77, we detected molecular interaction between Nur77 and PKC. Details of interaction revealed that C-terminal ligand binding domain (LBD) of Nur77(More)
Shikonin, a naphthoquinone derivative, has been shown to possess antitumor activity. In the present study, the effects of shikonin and its analog, β,β-dimethylacrylshikonin, were investigated as radiosensitizers on the human colon cancer cell line, HCT-116. Shikonin and, to a greater extent, its analog-induced apoptosis of HCT-116 cells further(More)
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