Issue 32, 2021

Photodynamic therapy using self-assembled nanogels comprising chlorin e6-bearing pullulan

Abstract

With minimal invasiveness and spatiotemporal therapeutic effects, photodynamic therapy is one of the most promising candidates for cancer treatment. Here, we developed a facile self-assembled nanogel using photosensitizer-grafted polysaccharides called chlorin e6-bearing pullulan. Chlorin e6 is used as a photosensitizer in cancer therapy. The anti-cancer effect of photodynamic therapy with our nanogel system was 780 times higher than that of the commercially available photosensitizer Photofrin. Finally, we demonstrated that actively growing cancer cell spheroids can be completely suppressed after treatment. Our system could efficiently induce tumor regression in tumor xenograft mice.

Graphical abstract: Photodynamic therapy using self-assembled nanogels comprising chlorin e6-bearing pullulan

Supplementary files

Article information

Article type
Paper
Submitted
23 фев 2021
Accepted
14 июл 2021
First published
14 июл 2021

J. Mater. Chem. B, 2021,9, 6357-6363

Photodynamic therapy using self-assembled nanogels comprising chlorin e6-bearing pullulan

R. Kawasaki, R. Ohdake, K. Yamana, T. Eto, K. Sugikawa and A. Ikeda, J. Mater. Chem. B, 2021, 9, 6357 DOI: 10.1039/D1TB00377A

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