Journal
FITOTERAPIA
Volume 83, Issue 4, Pages 770-773Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fitote.2012.03.006
Keywords
Salvia austriaca; Hairy roots; Diterpenoids; Taxodione derivative; Cytotoxicity
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Funding
- Medical University of Lodz, Poland [503/3-015-02/503-01, 503/3-012-01/503-01]
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From a root culture of Salvia austriaca, transformed with Agrobacterium rhizogenes, a new diterpenoid was isolated and its chemical structure was determined as 7-(2-oxohexyl)-11-hydroxy-6, 12-dioxo-7,9(11),13- abietatriene [= 7-(2-oxohexyl)-taxodione] on the basis of spectroscopic methods, especially 1D and 2D NMR, and by comparison with structurally related compounds. This compound represents a hitherto unknown 2-oxohexyl diterpenoid derivative. Cytotoxic studies revealed that the new compound exhibited high cytotoxic activity against three cancer cell lines with IC50 values ranging from 0.63 to 0.72 mu M. Its cytotoxic effectiveness against the cancer cells was ten fold higher than that of taxodione. (C) 2012 Elsevier B.V. All rights reserved.
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