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Life Sci. 2012 Dec 10;91(23-24):1229-35. doi: 10.1016/j.lfs.2012.09.012. Epub 2012 Oct 5.

Further evidence for the anti-inflammatory activity of oleocanthal: inhibition of MIP-1α and IL-6 in J774 macrophages and in ATDC5 chondrocytes.

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SERGAS, Santiago University Clinical Hospital Research Laboratory 9 (NEIRID LAB: Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Institute of Medical Research (IDIS), Santiago de Compostela 15706, Spain.



Given the relevance of degenerative joint diseases in our society, the development of a novel pharmacologic intervention is a critically important public health goal. Recently, oleocanthal, a polyphenolic natural compound from extra virgin olive oil, has emerged as a potential therapeutic weapon for the treatment of inflammatory degenerative diseases. The goal of this study was to further evaluate the anti-inflammatory activity of oleocanthal in murine macrophages J774 and murine chondrocytes ATDC5 with a particular focus on the inhibition of gene expression of pro-inflammatory factors such as MIP-1α and IL-6.


ATDC5 murine chondrogenic cells and murine macrophages J774 were used. J774 macrophages were tested with different doses of oleocanthal and cell viability was evaluated using the MTT assay. Western blot analysis was carried on in J774 cells using anti NOS2 antibody. Nitrite accumulation was determined in culture supernatant using the Griess reaction. MIP-1α and IL-6 mRNA levels were determined using SYBR Green-based quantitative RT-PCR. MIP-1α and IL-6 protein levels were evaluated using specific ELISA assay. Several cytokines, involved in the inflammatory response, were also tested by BioPlex assay.


First, oleocanthal inhibits LPS-induced NO production in J774 macrophages, without affecting cell viability. Moreover, it inhibits MIP-1α and IL-6 mRNA expression, as well as protein synthesis, in both ATDC5 chondrocytes and J774 macrophages. Oleocanthal also inhibits IL-1β, TNF-α and GM-CSF protein synthesis from LPS-stimulated macrophages.


Our data confirm a clear potent role of oleocanthal as anti-inflammatory therapeutic agent for future treatment of arthritis or other inflammatory diseases.

[Indexed for MEDLINE]

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