Abstract:
:NF-kappaB family of transcription factors are involved in numerous cellular processes, including differentiation, proliferation, and inflammation. It was reported that hydroxycinnamic acid derivatives (HADs) are inhibitors of NF-kappaB activation. Rice bran oil contains a lot of phytosteryl ferulates, one of HADs. We have investigated effects of phytosteryl ferulates on NF-kappaB activation in macrophage. Cycloartenyl ferulate (CAF), one of phytosteryl ferulates, significantly reduced lipopolysaccharide (LPS)-induced NO production and mRNA expression of inducible NO synthase and cyclooxygenese-2 but upregulated SOD activity. Electrophoresis mobility shift assay revealed that CAF inhibited DNA-binding of NF-kappaB. CAF and phytosteryl ferulates probably have potentially anti-inflammatory properties.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Nagasaka R,Chotimarkorn C,Shafiqul IM,Hori M,Ozaki H,Ushio Hdoi
10.1016/j.bbrc.2007.04.178subject
Has Abstractpub_date
2007-06-29 00:00:00pages
615-9issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(07)00918-7journal_volume
358pub_type
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