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Photodynamic Therapy Using Hippo Pathway Inhibitor Verteporfin: A Potential Dual Mechanistic Approach in Treatment of Soft Tissue Sarcomas
Journal article   Open access   Peer reviewed

Photodynamic Therapy Using Hippo Pathway Inhibitor Verteporfin: A Potential Dual Mechanistic Approach in Treatment of Soft Tissue Sarcomas

Jeffrey D Rytlewski, Nicholas Scalora, Keith Garcia, Munir Tanas, Fatima Toor, Benjamin Miller, Bryan Allen, Mohammed Milhem and Varun Monga
Cancers, Vol.13(4), pp.1-11
02/08/2021
DOI: 10.3390/cancers13040675
PMCID: PMC7915813
PMID: 33567506
url
https://doi.org/10.3390/cancers13040675View
Published (Version of record) Open Access

Abstract

Sarcoma is a widely varied and devastating oncological subtype, with overall five-year survival of 65% that drops to 16% with the presence of metastatic disease at diagnosis. Standard of care for localized sarcomas is predicated on local control with wide-local resection and radiation therapy, or, less commonly, chemotherapy, depending on tumor subtype. Verteporfin has the potential to be incorporated into this standard of care due to its unique molecular properties: inhibition of the upregulated Hippo pathway that frequently drives soft tissue sarcoma and photodynamic therapy-mediated necrosis due to oxidative damage. The initial anti-proliferative effect of verteporfin is mediated via binding and dissociation of YAP/TEAD proteins from the nucleus, ultimately leading to decreased cell proliferation as demonstrated in multiple in vitro studies. This effect has the potential to be compounded with use of photodynamic therapy to directly induce cellular necrosis with use of a clinical laser. Photodynamic therapy has been incorporated into multiple malignancies and has the potential to be incorporated into sarcoma treatment.
Hippo pathway soft tissue sarcoma YAP/TAZ photodynamic therapy verteporfin

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