Abstract
The aberrant activation of Wnt/β-catenin signaling plays important roles in the initial development of colon cancer. Sulindac is a commonly used non-steroidal anti-inflammatory drug. We demonstrated the effects of sulindac on growth inhibition, apoptosis induction, and Wnt/β-catenin signaling suppression in human colon cancer cells. Sulindac significantly inhibited proliferation of HT-29 colon cancer cells in a dose- and time-dependent manner. Sulindac was found to induce the apoptosis of HT-29 cells and inhibit the Wnt/β-catenin pathway. The inhibition was further confirmed by the decreased protein levels of β-catenin. The results indicate that sulindac may play a beneficial role in the comprehensive treatment of colon cancer.
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