Role of cell stress signaling networks in cancer cell death and antitumor immune response following proteotoxic injury inflicted by photodynamic therapy

The insult delivered by photodynamic therapy (PDT) in treated cells is oxidative stress. The main burden threatening survival of PDT-treated cells is proteotoxic damage that jeopardizes proteostasis in these cells. For dealing with this type of proteostasis impairment, cells have developed protection mechanisms operating by signaling networks. This review will outline various components of signaling networks that can be engaged in stressed cells with highlighting the emerging aspects relevant to response to PDT. It will be also shown how the well known inflammatory/immune response associated with PDT is also based on the activity of these stress signaling networks. Lasers Surg. Med. © 2018 Wiley Periodicals, Inc.

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