Targeting colon cancer stem cells using a new curcumin analogue, GO-Y030
2011

Targeting Colon Cancer Stem Cells with a Curcumin Analogue

publication Evidence: high

Author Information

Author(s): Lin L, Liu Y, Li H, Li P-K, Fuchs J, Shibata H, Iwabuchi Y, Lin J

Primary Institution: Center for Childhood Cancer, The Research Institute at Nationwide Children's Hospital, The Ohio State University

Hypothesis

Is STAT3 activated in colon cancer stem cells and can its inhibition by GO-Y030 provide a therapeutic benefit?

Conclusion

Inhibition of STAT3 in colon cancer stem cells by GO-Y030 may offer an effective treatment for colorectal cancer.

Supporting Evidence

  • ALDH+/CD133+ colon cancer cells expressed higher levels of phosphorylated STAT3 than ALDH-negative/CD133-negative cells.
  • GO-Y030 inhibited STAT3 phosphorylation and induced apoptosis in colon cancer stem cells.
  • GO-Y030 suppressed tumor growth in mouse models of colon cancer.

Takeaway

Scientists found that a new drug, GO-Y030, can help stop cancer stem cells in the colon from growing by blocking a protein called STAT3.

Methodology

Flow cytometry was used to isolate colon cancer stem cells, and the effects of GO-Y030 on STAT3 phosphorylation and cell viability were examined.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/bjc.2011.200

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