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9-amino Camptothecin

9-氨基喜树碱
Catalog No.
C5790
拓扑异构酶I抑制剂
组合的产品项目
规格价格库存 数量
5mg
¥ 1,309.00
现货
10mg
¥ 1,963.00
现货
25mg
¥ 3,600.00
Ship with 10-15 days

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A

背景

9-amino Camptothecin is a topoisomerase I inhibitor [1][2].

DNA topoisomerases relax DNA torsional strain generated during replication, transcription, recombination, repair, and chromosome condensation. The relaxation of DNA supercoiling by topoisomerase I is enabled by a mechanism of controlled rotation around a transient DNA single-strand break. Camptothecin (CPT) is isolated from the bark of the Chinese tree Camptotheca accuminata [3].

9-amino Camptothecin, a water-soluble camptothecin analogue, is a topoisomerase I inhibitor. In human HT-29 colon adenocarcinoma, 9-amino Camptothecin (9-AC) exhibited cytotoxicity with IC50 value of 19 nM. 9-AC also induced DNA damage in whole cells and nuclei at a concenstration of 85 nM and 21 nM, respectively [1].

9-amino Camptothecin had greater activity than camptothecin against human tumour xenografts, including Lewis lung carcinoma and B16 melanoma. 9-AC had entered phase II trials. In patients with advanced solid tumours, 9-amino Camptothecin exhibited anti-tumor activity [1][2].

References:
[1].  Rothenberg, M.L. Topoisomerase I inhibitors: Review and update. Annals of Oncology 8(9), 837-855 (1997).
[2].  Dancey J, Eisenhauer EA. Current perspectives on camptothecins in cancer treatment. Br J Cancer. 1996 Aug;74(3):327-38.
[3].  Drwal MN1, Agama K, Wakelin LP, et al. Exploring DNA topoisomerase I ligand space in search of novel anticancer agents. PLoS One. 2011;6(9):e25150.

化学属性

Physical AppearanceA crystalline solid
StorageStore at -20°C
M.Wt363.4
Cas No.91421-43-1
FormulaC20H17N3O4
SynonymsNSC 603071
Solubility≤1mg/ml in DMSO;1mg/ml in dimethyl formamide
Chemical Name(4S)-10-amino-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
SDFDownload SDF
Canonical SMILESO=C([C@@]1(CC)O)OCC2=C1C=C(C(N=C(C=CC=C3N)C3=C4)=C4C5)N5C2=O
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化学结构

9-amino Camptothecin