Antagonists of retinoic acid receptors (RARs) are potent growth inhibitors of prostate carcinoma cells
2001

Inhibiting Prostate Cancer Growth with RAR Antagonists

publication Evidence: moderate

Author Information

Author(s): Hammond L A, Krinks C H Van, Durham J, Tomkins S E, Burnett R D, Jones E L, Chandraratna R A S, Brown G

Primary Institution: University of Birmingham Medical School

Hypothesis

RARγ-regulated gene transcription is necessary for the survival and maintenance of prostate epithelium.

Conclusion

Novel RAR antagonists are more potent than traditional treatments and may be useful in treating prostate carcinoma.

Supporting Evidence

  • Novel synthetic antagonists of RARs were developed to avoid serum retinoid interference.
  • AGN194310 inhibited colony formation by prostate carcinoma lines at low concentrations.
  • AGN194310 is significantly more potent than all-trans retinoic acid against cell lines.
  • PC3 and DU145 cells do not express RARβ, affecting their response to certain antagonists.

Takeaway

Scientists found new drugs that can stop prostate cancer cells from growing and even make them die.

Methodology

Developed synthetic RAR antagonists and tested their effects on prostate carcinoma cell lines in serum-free conditions.

Limitations

The study does not specify the long-term effects of these antagonists in vivo.

Digital Object Identifier (DOI)

10.1054/bjoc.2001.1939

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