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Antiprogestin mifepristone inhibits the growth of cancer cells of reproductive and non-reproductive origin regardless of progesterone receptor expression.

Chelsea R Tieszen | Alicia A Goyeneche | BreeAnn N Brandhagen | Casey T Ortbahn | Carlos M Telleria
BMC cancer | 2011

Mifepristone (MF) has been largely used in reproductive medicine due to its capacity to modulate the progesterone receptor (PR). The study of MF has been expanded to the field of oncology; yet it remains unclear whether the expression of PR is required for MF to act as an anti-cancer agent. Our laboratory has shown that MF is a potent inhibitor of ovarian cancer cell growth. In this study we questioned whether the growth inhibitory properties of MF observed in ovarian cancer cells would translate to other cancers of reproductive and non-reproductive origin and, importantly, whether its efficacy is related to the expression of cognate PR.

Pubmed ID: 21619605

Research resources used in this publication

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Associated grants

  • Agency: NCI NIH HHS, United States
    Id: K22CA121991
  • Agency: NCI NIH HHS, United States
    Id: K22CA121991-S1
  • Agency: NCRR NIH HHS, United States
    Id: P20 RR-015567

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