Cercosporin(Synonyms: 尾孢菌素)

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Cercosporin (Synonyms: 尾孢菌素)

Cercosporin 由植物病原体 Cercosporakikuchii 和 elsinochromes，elsinoe 家族真菌的色素产生。Cercosporin 是一种有效的光敏剂，具有短的活化波长，主要适用于表面 PDT 光动力研究 (尤其适用于避免穿孔的研究)。Cercosporin 是 PKC 的抑制剂，含有 PKC 活性所必需的醌结构特征, 其 IC50=0.6-1.3 μM。

Cercosporin(Synonyms: 尾孢菌素)

Cercosporin Chemical Structure

CAS No. : 35082-49-6

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生物活性

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].

IC50 & Target

IC50: 0.6-1.3 μM (PKC)[2]
体外研究
(In Vitro)

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].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Viability Assay[1]

Cell Line: Human GBM cell lines, T98G and U87; Breast carcinoma cell line, MCF-7
Concentration: 0 μM, 1 μM, 2 μM, 3 μM
Incubation Time: 24 hours
Result: Exhibited a synergistic cytotoxicity with copper only in the most respiratory cell lines (MCF-7 and T98G).

分子量

534.51

Formula

C29H26O10
CAS 号

35082-49-6
中文名称

尾孢菌素
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
参考文献

  • [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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