Retinoic acid decreases ATF-2 phosphorylation and sensitizes melanoma cells to taxol-mediated growth inhibition
2008

Retinoic Acid Sensitizes Melanoma Cells to Taxol

publication 10 minutes Evidence: moderate

Author Information

Author(s): Huang Ying, Minigh Jennifer, Miles Sarah, Niles Richard M

Primary Institution: Department of Biochemistry and Microbiology, Joan C. Edwards School of Medicine, Marshall University

Hypothesis

Does retinoic acid treatment sensitize melanoma cells to taxol-mediated growth inhibition by decreasing ATF-2 phosphorylation?

Conclusion

Retinoic acid treatment decreases ATF-2 phosphorylation and significantly increases the sensitivity of melanoma cells to taxol.

Supporting Evidence

  • Retinoic acid treatment reduced ATF-2 phosphorylation by up to 75%.
  • Without retinoic acid, the taxol IC50 was approximately 50 nM.
  • With retinoic acid pretreatment, the taxol IC50 decreased to 1 nM.

Takeaway

This study found that a substance called retinoic acid can help make melanoma cells more sensitive to a cancer drug called taxol by changing how a protein called ATF-2 works.

Methodology

B16 mouse melanoma cells were treated with retinoic acid and then exposed to taxol to measure changes in cell growth and ATF-2 phosphorylation.

Limitations

The study primarily focuses on a single melanoma cell line, which may not represent all melanoma types.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1750-2187-3-3

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