Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 16, Issue 1, Pages 69-71Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2005.09.052
Keywords
p53; HDM2; ubiquitin ligase; marine-derived fungus; Arthriniun sp.
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A new inhibitor of p53-HDM2 interaction was isolated from a culture of marine-derived fungus, Arthrinium sp. The structure was identified to be (-)-hexylitaconic acid (1) by spectroscopic analysis. The inhibition of p53-HDM2 binding was tested by the ELISA method, and 1 inhibited the binding with an IC50 value of 50 mu g/mL. Although a number of synthetic inhibitors of p53-HDM2 interaction have been reported so far, 1 is the second inhibitor isolated from natural resources. (c) 2005 Elsevier Ltd. All rights reserved.
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