Genistein inhibits proliferation of colon cancer cells by attenuating a negative effect of epidermal growth factor on tumor suppressor FOXO3 activity
2011

Genistein's Role in Inhibiting Colon Cancer Cell Growth

Sample size: 24 publication Evidence: high

Author Information

Author(s): Qi Wentao, Weber Christopher R, Wasland Kaarin, Savkovic Suzana D

Primary Institution: NorthShore University Research Institute

Hypothesis

Genistein exerts anti-proliferative properties by attenuating the negative effect of EGF on FOXO3 activity.

Conclusion

Genistein inhibits EGF-induced proliferation in colon cancer cells by promoting FOXO3 activity and increasing p27kip1 expression, leading to cell cycle arrest.

Supporting Evidence

  • Genistein inhibited EGF-induced proliferation in colon cancer cells.
  • Genistein promotes FOXO3 activity by inhibiting its phosphorylation.
  • Genistein increases p27kip1 expression, leading to cell cycle arrest.

Takeaway

Genistein, a compound found in soy, helps stop colon cancer cells from growing by making a protein called FOXO3 work better, which helps control the cell cycle.

Methodology

The study examined the effects of genistein on EGF-induced proliferation and FOXO3 activity in human colon cancer HT-29 cells using various assays including immunoblotting and ChIP.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2407-11-219

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