Abstract
During the last decades, Photodynamic Therapy (PDT) has been established as a powerful alternative approved by health agencies of several countries for treatment of various malignant and some non-malignant diseases. PDT makes use of the light-induced destruction of target cells by formation of cytotoxic products in the presence of a photosensitizing agent and oxygen. The light-dependent tumor destructive properties of Hypericin have drawn attention to its promising application as a photosensitizer in the frame of PDT. Hypericin is a naturally occurring secondary metabolite in plants of the Hypericum genus, with Hypericum perforatum (St. Johns wort) as it is a commonly known representative. This review focuses on the cellular mechanisms of Hypericin-based phototoxicity and provides an outlook for future application of Hypericin as a fluorescing and photosensitizing agent for diagnosis and treatment of cancerous diseases, respectively.
Keywords: Photodynamic Therapy, Hypericin, Clinical anti-cancer treatment, Apoptosis, Cell death mechanisms, Photophysical Diagnosis
Current Medicinal Chemistry
Title: Cellular Mechanisms and Prospective Applications of Hypericin in Photodynamic Therapy
Volume: 13 Issue: 18
Author(s): Tobias Kiesslich, Barbara Krammer and Kristjan Plaetzer
Affiliation:
Keywords: Photodynamic Therapy, Hypericin, Clinical anti-cancer treatment, Apoptosis, Cell death mechanisms, Photophysical Diagnosis
Abstract: During the last decades, Photodynamic Therapy (PDT) has been established as a powerful alternative approved by health agencies of several countries for treatment of various malignant and some non-malignant diseases. PDT makes use of the light-induced destruction of target cells by formation of cytotoxic products in the presence of a photosensitizing agent and oxygen. The light-dependent tumor destructive properties of Hypericin have drawn attention to its promising application as a photosensitizer in the frame of PDT. Hypericin is a naturally occurring secondary metabolite in plants of the Hypericum genus, with Hypericum perforatum (St. Johns wort) as it is a commonly known representative. This review focuses on the cellular mechanisms of Hypericin-based phototoxicity and provides an outlook for future application of Hypericin as a fluorescing and photosensitizing agent for diagnosis and treatment of cancerous diseases, respectively.
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Cite this article as:
Kiesslich Tobias, Krammer Barbara and Plaetzer Kristjan, Cellular Mechanisms and Prospective Applications of Hypericin in Photodynamic Therapy, Current Medicinal Chemistry 2006; 13 (18) . https://dx.doi.org/10.2174/092986706777935267
DOI https://dx.doi.org/10.2174/092986706777935267 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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