期刊
TETRAHEDRON LETTERS
卷 53, 期 13, 页码 1675-1677出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.01.104
关键词
Ubiquinone; Pseudoalteromonas; Lobophytum; Pseudoalteromone; Cytotoxicity; Elastase
资金
- National Dong Hwa University
- National Museum of Marine Biology Aquarium [100100101, 100200311]
- Division of Marine Biotechnology, Asia-Pacific Ocean Research Center, National Sun Yat-sen University [00C-0302-05]
- National Science Council, Taiwan [NSC 100-2325-B-291-001, 98-2320-B-291-001-MY3]
A novel ubiquinone derivative, pseudoalteromone A (1), possessing a 9C nor-monoterpenoid moiety was produced from a marine bacterium Pseudoalteromonas sp. CGH2XX. This bacterium is originally isolated from a cultured-type octocoral Lobophytum crassum. The structure of ubiquinone 1 was established by spectroscopic methods. Pseudoalteromone A (1) exhibited significant cytotoxicity toward the MOLT-4 (human acute lymphoblastic leukemia, IC50 = 3.764 mu g/mL) cells and displayed a significant inhibitory effect (inhibition rate 45.1%) on the release of elastase by human neutrophils at a concentration of 10 mu g/mL. (C) 2012 Elsevier Ltd. All rights reserved.
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