alexa Modulation of cytokine secretion by pentacyclic triterpenes from olive pomace oil in human mononuclear cells.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Computer Science & Systems Biology

Author(s): MarquezMartin A, De La Puerta R, FernandezArche A, RuizGutierrez V, Yaqoob P

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Abstract Olive pomace oil, also known as "orujo" olive oil, is a blend of refined-pomace oil and virgin olive oil, fit for human consumption. Maslinic acid, oleanolic acid, erythrodiol, and uvaol are pentacyclic triterpenes, found in the non-glyceride fraction of orujo oil, which have previously been reported to have anti-inflammatory properties. In the present work, we investigated the effect of these minor components on pro-inflammatory cytokine production by human peripheral blood mononuclear cells in six different samples. Uvaol, erythrodiol, and oleanolic acid significantly decreased IL-1beta and IL-6 production in a dose-dependent manner. All three compounds significantly reduced TNF-alpha production at 100microM; however, at 10microM, uvaol and oleanolic acid enhanced the generation of TNF-alpha. In contrast, maslinic acid did not significantly alter the concentration of those cytokines, with the exception of a slight inhibitory effect at 100microM. All four triterpenes inhibited production of I-309, at 50microM and 100microM. However, uvaol enhanced I-309 production at 10microM. The triterpenic dialcohols had a similar effect on MIG production. In conclusion, this study demonstrates that pentacyclic triterpenes in orujo oil exhibit pro- and anti-inflammatory properties depending on chemical structure and dose, and may be useful in modulating the immune response. This article was published in Cytokine and referenced in Journal of Computer Science & Systems Biology

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