4.4 Article

Maedamide, a novel chymotrypsin inhibitor from a marine cyanobacterial assemblage of Lyngbya sp.

Journal

TETRAHEDRON LETTERS
Volume 55, Issue 30, Pages 4126-4128

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.05.099

Keywords

Maedamide; Marine cyanobacteria; Depsipeptide; Chymotrypsin inhibitor; Lyngbya

Funding

  1. Ministry of Education, Culture, Sports, Science and Technology of Japan [24310160, 25750386]
  2. MEXT from the Ministry of Education, Culture, Sports, Science and Technology, Japan
  3. Grants-in-Aid for Scientific Research [25750386] Funding Source: KAKEN

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Maedamide, a novel chymotrypsin-inhibiting depsipeptide, was isolated from a cyanobacterial assemblage that mostly consisted of Lyngbya sp. Its structure was elucidated by spectroscopic analyses and chiral HPLC analyses of hydrolysis products. Maedamide selectively inhibited chymotrypsin but not elastase and trypsin. In addition, Maedamide strongly inhibited the growth of HeLa cells and HL60 cells. (C) 2014 Elsevier Ltd. All rights reserved.

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