Combination of verteporfin-PDT and PI3K inhibitors enhances cell growth inhibition and apoptosis in endothelial cells

Daniel Kraus; Bin Chen

doi:10.1117/12.2213419

1 March 2016 Combination of verteporfin-PDT and PI3K inhibitors enhances cell growth inhibition and apoptosis in endothelial cells

Daniel Kraus, Bin Chen

Author Affiliations +

Proceedings Volume 9694, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XXV; 969407 (2016) https://doi.org/10.1117/12.2213419
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

Vascular targeted photodynamic therapy is a promising cancer treatment modality by ablating tumor vasculature. The effectiveness of this treatment is often compromised by regrowth of endothelial cells, which causes tumor recurrence. In this preliminary report, we showed that activated PI3K signaling was involved in endothelial cell regrowth after PDT with verteporfin and combination between verteporfin-PDT and PI3K pathway inhibitor BEZ235 induced more cell apoptosis and greater inhibition in cell proliferation. These results suggest that rational combination of verteporfin-PDT and PI3K inhibitors result in enhanced treatment outcomes.

Conference Presentation

Citation Download Citation

Daniel Kraus and Bin Chen "Combination of verteporfin-PDT and PI3K inhibitors enhances cell growth inhibition and apoptosis in endothelial cells", Proc. SPIE 9694, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XXV, 969407 (1 March 2016); https://doi.org/10.1117/12.2213419

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