4.5 Article

A new anthracycline-type metabolite from Streptomyces sp NEAU-L3

Journal

JOURNAL OF ANTIBIOTICS
Volume 70, Issue 10, Pages 1026-1028

Publisher

JAPAN ANTIBIOTICS RESEARCH ASSOC
DOI: 10.1038/ja.2017.95

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Funding

  1. National Natural Science Foundation of China [31471832]

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A new anthracycline-type metabolite, designated as tetracenoquinocin A (1), was isolated from the fermentation broth of Streptomyces sp. NEAU-L3. Its structure was determined on the basis of spectroscopic analysis, including 1D and 2D NMR techniques as well as ESI-MS and comparison with data from the literature. Compound 1 showed potent cytotoxic activity against three cancer cell lines (HepG2, A549, HCT-116) with IC50 values of 5.57, 24.30 and 20.82 mu M, respectively.

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