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Modulation of cytokine secretion by pentacyclic triterpenes from olive pomace oil in human mononuclear cells

Marquez-Martin, A., De la Puerta, R., Fernandez-Arche, A., Ruiz-Gutierrez, V. and Yaqoob, P. ORCID: (2006) Modulation of cytokine secretion by pentacyclic triterpenes from olive pomace oil in human mononuclear cells. Cytokine, 36 (5-6). pp. 211-217. ISSN 1043-4666

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To link to this item DOI: 10.1016/j.cyto.2006.12.007


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-1 beta and IL-6 production in a dose-dependent manner. All three compounds significantly reduced TNF-alpha production at 100 mu M; however, at 10 mu M, 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 100 mu M. All four triterpenes inhibited production of I-309, at 50 mu M and 100 mu M. However, uvaol enhanced I-309 production at 10 mu M. 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. (c) 2006 Elsevier Ltd. All rights reserved.

Item Type:Article
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
Interdisciplinary centres and themes > Institute for Cardiovascular and Metabolic Research (ICMR)
ID Code:13167
Uncontrolled Keywords:olive pomace oil, pentacyclic triterpene, peripheral blood mononuclear, cells, cytokines, inflammation, CHEMOATTRACTANT I-TAC, NECROSIS-FACTOR-ALPHA, CROHNS-DISEASE, CXC, CHEMOKINES, IFN-GAMMA, RHEUMATOID-ARTHRITIS, INDUCIBLE PROTEIN-10, ANTIOXIDANTS INHIBIT, PHENOLIC-COMPOUNDS, OLEANOLIC ACID

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