Cercosporin (Synonyms: CGP 049090, NSC 153111) |
| Katalog-Nr.GC18521 |
Cercosporin wird von einem Pflanzenpathogen, Cercosporakikuchii, und den Elsinochromen, Pigmenten der Familie der Elsinoe-Pilze, produziert. Cercosporin ist ein starker Photosensibilisator mit einer kurzen AktivierungswellenlÄnge, der sich vor allem fÜr Behandlungen mit oberflÄchlicher photodynamischer Therapie (PDT) eignet, insbesondere wenn es notwendig ist, Perforationen zu vermeiden. Cercosporin enthÄlt die fÜr die PKC-AktivitÄt erforderlichen Perylenchinon-Strukturmerkmale mit einem IC50 von 0,6-1,3 μM.
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Cas No.: 35082-49-6
Sample solution is provided at 25 µL, 10mM.
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Cercosporin is produced by a plant pathogen, Cercosporakikuchii, and the elsinochromes, pigments of the elsinoe family of fungi. Cercosporin is a potent photosensitizer with a short activation wavelength, mostly suitable for superficial photodynamic therapy (PDT) treatments, especially when it is necessary to avoid perforations[1].Cercosporin contains the perylenequinone structural features necessary to PKC activity with an IC50 of 0.6-1.3 μM[2].
Cercosporin (0.8-8.0 μM; 30 s, 60 s, 90 s, 120 s) photodynamic therapy (PDT) effect is stronger in T98G cells than in U87 or MCF7 cells, the LD50 value for the T98G cells (0.14 J cm2) is much less than the LD50 value for MCF-7 and U87 cell lines (0.26 and 0.24 J cm2, respectively)[1].Cercosporin (0-3 μΜ; 24 hours) interplays with copper results in a synergistic cytotoxicity in MCF7 and T98G cells, that is, S(CuSO4 + Cerco) ≪ S(CuSO4) x S(Cerco), barely has an additive effect in U87 cells[1].
References:
[1]. Mastrangelopoulou M, et al. Cytotoxic and Photocytotoxic Effects of Cercosporin on Human Tumor Cell Lines. Photochem Photobiol. 2019 Jan;95(1):387-396.
[2]. Morgan BJ, et al. Design, synthesis, and investigation of protein kinase C inhibitors: total syntheses of (+)-calphostin D, (+)-phleichrome, cercosporin, and new photoactive perylenequinones. J Am Chem Soc. 2009 Jul 8;131(26):9413-25.
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