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Withdrawal: miR-21-mediated radioresistance occurs via promoting repair of DNA double strand breaks.

Open AccessPublished:May 01, 2020DOI:https://doi.org/10.1074/jbc.W120.013725
      VOLUME 292 (2017) PAGES 3531–3540
      This article has been withdrawn by Shuofeng Hu, Xiaomin Ying, Xiangming Zhang, and Ya Wang. Baocheng Hu, Xiang Wang, Ping Wang, Jian Wang, and Hongyan Wang could not be reached. In Fig. 1C, the DAPI and merged images for the no IR control were switched. The DNA-PKcs and actin immunoblots on the left appear to have been spliced. In Fig. 4C, the DNA-PKcs immunoblot appears to have been spliced. In Fig. 4D, lanes 1 and 5; lanes 2, 6, and 8; and lanes 3 and 7 of the DNA-PKcs immunoblot are the same. In the p-DNA-PKcs immunoblot, lanes 1 and 8, lanes 2 and 6, and lanes 3 and 7 are the same. In the CRY2 immunoblot, lanes 5 and 7 are the same. In the CDC25A immunoblot, lanes 3 and 8 are the same. In the GSK3B immunoblot, lanes 1 and 5 and lanes 3 and 7 are the same. Also in the GSK3B immunoblot, the upper GSK3B bands in lanes 6 and 8 are the same. Lanes 4 and 8 of the cyclin D1 immunoblot are the same. In Fig. 5A, the CDC25A immunoblot appears to have been spliced. Also in Fig. 5A, lanes 2–4 and lanes 6–8 of the CDC25A immunoblot are the same. Lanes 4–6 and 7–9 of the actin immunoblot are the same. In Fig. 5C, lane 1 of the CDC25A immunoblot was reused in lane 5, and lanes 3 and 4 were reused in lanes 7 and 8. In the GSK3B immunoblot, lanes 2–4 and lanes 6–8 are the same. Lane 1 of the cyclin D1 immunoblot was reused in lane 5, and lanes 3 and 4 were reused in lanes 7 and 8. Lanes 2–4 of the actin immunoblot were reused in lanes 6–8.

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      • miR-21-mediated Radioresistance Occurs via Promoting Repair of DNA Double Strand Breaks
        Journal of Biological ChemistryVol. 292Issue 8
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          miR-21, as an oncogene that overexpresses in most human tumors, is involved in radioresistance; however, the mechanism remains unclear. Here, we demonstrate that miR-21-mediated radioresistance occurs through promoting repair of DNA double strand breaks, which includes facilitating both non-homologous end-joining (NHEJ) and homologous recombination repair (HRR). The miR-21-promoted NHEJ occurs through targeting GSK3B (a novel target of miR-21), which affects the CRY2/PP5 pathway and in turn increases DNA-PKcs activity.
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