1α,25-Dihydroxyvitamin D3 (calcitriol) and its analogue, 19-nor-1α,25(OH)2D2, potentiate the effects of ionising radiation on human prostate cancer cells
2003

Vitamin D and Radiation Therapy for Prostate Cancer

publication Evidence: moderate

Author Information

Author(s): Dunlap N, Schwartz G G, Eads D, Cramer S D, Sherk A B, John V, Koumenis C

Primary Institution: Comprehensive Cancer Center of Wake Forest University School of Medicine

Hypothesis

Can 1α,25-Dihydroxyvitamin D3 and its analogue enhance the effects of ionising radiation on prostate cancer cells?

Conclusion

The study found that 1α,25-Dihydroxyvitamin D3 and its analogue significantly enhance the effects of radiation on prostate cancer cells.

Supporting Evidence

  • 1α,25-Dihydroxyvitamin D3 and its analogues induce apoptosis in prostate carcinoma cells.
  • Combining vitamin D with radiation enhances the cytotoxic effects on prostate cancer cells.
  • Lower doses of radiation can be used effectively when combined with vitamin D compounds.

Takeaway

This study shows that a vitamin D compound can help make prostate cancer cells more sensitive to radiation treatment, which could improve cancer therapy.

Methodology

The study involved treating prostate cancer cell lines with vitamin D compounds and irradiating them to assess apoptosis and growth.

Limitations

The study primarily focuses on in vitro results, which may not fully translate to in vivo conditions.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6601161

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