Journal
LASER PHYSICS LETTERS
Volume 10, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1612-2011/10/2/023001
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- CNPq
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Photodynamic therapy (PDT) has been developed as one of the most important therapeutic options in the treatment of cancer and other diseases. By resorting to the photosensitizer and light, which convert oxygen into cytotoxic reactive oxygen species (ROS), PDT will induce vascular damage and direct tumor cell killing. Another consequence of PDT is the microvascular stasis, which results in hypoxia and further produces tumor regression. To improve the treatment with PDT, three promising strategies are currently attracting much interest: (1) the combination of PDT and anti-angiogenesis agents, which more effectively prevent the proliferation of endothelial cells and the formation of new blood vessels; (2) the nanoparticle-assisted delivery of photosensitizer, which makes the photosensitizer more localized in tumor sites and thus renders minimal damage to the normal tissues; (3) the application of intravascular PDT, which can avoid the loss of energy during the transmission and expose the target area directly. Here we aim to review the important findings on vascular damage by PDT on mice. The combination of PDT with other approaches as well as its effect on cancer photomedicine are also reviewed.
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