Open AccessIn VitroCovalent Binding Proteins of Zerumbone, a Chemopreventive Food Factor
Author(s) -
Kohta Ohnishi,
Kazuhiro Irie,
Akira Murakami
Publication year - 2009
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.90265
Subject(s) - chemistry , in vitro , biochemistry , covalent bond , stereochemistry , organic chemistry
Zerumbone (ZER), a sesquiterpene in Zingiber zerumbet Smith, has been implicated as a promising chemopreventive agent. Here we found that ZER suppressed expression of pro-inflammatory genes (COX-2 and iNOS) and induced detoxification genes (GSTP1 and NQO1) in RAW264.7 macrophages. Using the ZER-bound Sepharose gel, it appeared ZER was covalently bound to proteins, Keap1 and HuR, that play key roles in these molecular mechanisms.
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