Food Science and Technology Research
Online ISSN : 1881-3984
Print ISSN : 1344-6606
ISSN-L : 1344-6606
Original papers
Ursolic Acid and Derivatives Exhibit Anti-atherosclerotic Activity by Inhibiting the Expression of Cell Adhesion Molecules Induced by TNF-alpha
Mika MochizukiTaichi UozumiShinsuke HisakaToshihiko Osawa
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2019 Volume 25 Issue 3 Pages 405-412

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Abstract

Ursolic acid (UA) has been implicated as one of the major components of traditional medicinal plants. In this study, we investigated the effect and mechanisms of UA, by comparison with other triterpenes, Glycyrrhetic acid (GA), Oleanolic acid (OA), Uvaol (Uv) and alpha-amyrin on the vascular cell adhesion molecule-1 (VCAM-1) in Human Umbilical Vein Endothelial Cells (HUVECs). UA inhibited the induction of the VCAM-1 expression in a dose-dependent manner after stimulation with TNF-alpha, whereas GA and OA did not show any inhibitory effect. Furthermore, UA inhibited the adhesion of HL-60 to the TNF-alpha-stimulated HUVECs. The activity difference indicated that the ursane structures with a highly polar group at the 28-position are critical components of UA for regulating the VCAM-1 expression. These results suggested that the anti-inflammatory effect of the triterpenes might depend on their chemical structure.

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© 2019 by Japanese Society for Food Science and Technology
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