期刊
HETEROCYCLES
卷 104, 期 1, 页码 185-190出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-21-14567
关键词
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资金
- Japan Society for the Promotion of Science [20H03394, 19H04640, 20K16024]
- National Bio-Resource Project, Japan
- Grants-in-Aid for Scientific Research [20H03394, 20K16024, 19H04640] Funding Source: KAKEN
In this study, two peptidolipin NA derivatives were isolated from the co-culture of Nocardia arthritidis IFM10035(T) and the mouse macrophage cell line J774.1. These compounds showed higher cytotoxicity against J774.1 cells and displayed TRAIL-resistance-overcoming activity in human gastric adenocarcinoma AGS cells.
We isolated two peptidolipin NA derivatives, L-Val (6) peptidolipin NA and peptidolipin NA, named as compounds 1 and 2, respectively. These compounds were produced in the co-culture extracts of Nocardia arthritidis IFM10035(T)and the mouse macrophage cell line J774.1, but not in the single culture of N. arthritidis. Among the two compounds along with nocarjamide (3) isolated from the co-culture of N. tenerifensis and J774.1, compounds 1 and 3 showed higher cytotoxicity against J774.1, with IC50 values of 116 mu M and 25 mu M, respectively. In addition, compound 1 showed a TRAIL-resistance-overcoming activity in the human gastric adenocarcinoma AGS cells.
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