Growth inhibition of human MDA-mB-231 breast cancer cells by delta-tocotrienol is associated with loss of cyclin D1/CDK4 expression and accompanying changes in the state of phosphorylation of the retinoblastoma tumor suppressor gene product.

@article{Elangovan2008GrowthIO,
  title={Growth inhibition of human MDA-mB-231 breast cancer cells by delta-tocotrienol is associated with loss of cyclin D1/CDK4 expression and accompanying changes in the state of phosphorylation of the retinoblastoma tumor suppressor gene product.},
  author={Selvakumar Elangovan and T. C. Hsieh and Joseph M.W. Wu},
  journal={Anticancer research},
  year={2008},
  volume={28 5A},
  pages={2641-7}
}
Tocotrienols, a subgroup within the vitamin E family of compounds, have shown antiproliferative and anticancer properties, however, the molecular basis of these effects remains to be elucidated. In this study, the effect of 3-tocotrienol on cell cycle arrest was assessed by studying the retinoblastoma protein (Rb) levels and phosphorylation status, levels of E2F (a transcription factor critically involved in the G1/S-phase transition of the mammalian cell cycle; originally identified as a DNA… CONTINUE READING
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