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DBC1 Functions as a Tumor Suppressor by Regulating p53 Stability  期刊论文  

  • 编号:
    f5e3733e-940d-4265-8568-0bcd2c5a1fea
  • 作者:
    Qin, Bo[1,2] MinterDykhouse, Katherine[3] Yu, Jia[3] Zhang, Jun[4] Liu, Tongzheng[2] Zhang, Haoxing[2] Lee, SeungBaek[2] Kim, JungJin[2] Wang, Liewei[3] Lou, Zhenkun[2]
  • 语种:
    English
  • 期刊:
    CELL REPORTS ISSN:2211-1247 2015 年 10 卷 8 期 (1324 - 1334) ; MAR 3
  • 收录:
  • 摘要:

    DBC1 (deleted in breast cancer 1), also known as CCAR2 or KIAA1967, is an important negative regulator of SIRT1 and cellular stress response. Although the Dbc1 gene localizes at a region that is homozygously deleted in breast cancer, its role in tumorigenesis remains unclear. It has been suggested to be either a tumor suppressor or an oncogene. Therefore, the function of DBC1 in cancer needs to be further explored. Here, we report that Dbc1 knockout mice are tumor prone, suggesting that DBC1 functions as a tumor suppressor in vivo. Our data suggest that the increased tumor incidence in Dbc1 knockout mice is independent of Sirt1. Instead, we found that DBC1 loss results in less p53 protein in vitro and in vivo. DBC1 directly binds p53 and stabilizes it through competition with MDM2. These studies reveal that DBC1 plays an important role in tumor suppression through p53 regulation.

  • 推荐引用方式
    GB/T 7714:
    Qin Bo,Minter-Dykhouse Katherine,Yu Jia, et al. DBC1 Functions as a Tumor Suppressor by Regulating p53 Stability [J].CELL REPORTS,2015,10(8):1324-1334.
  • APA:
    Qin Bo,Minter-Dykhouse Katherine,Yu Jia,Zhang Jun,&Lou Zhenkun.(2015).DBC1 Functions as a Tumor Suppressor by Regulating p53 Stability .CELL REPORTS,10(8):1324-1334.
  • MLA:
    Qin Bo, et al. "DBC1 Functions as a Tumor Suppressor by Regulating p53 Stability" .CELL REPORTS 10,8(2015):1324-1334.
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