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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611


CORTES CASTELL, Ernesto et al. Anti-inflammatory activity of olive seed polyphenolic extract in the THP1-XBLUE-CD14 human monocytes cell line. Nutr. Hosp. [online]. 2014, vol.30, n.1, pp.113-117. ISSN 1699-5198.

The aim of this study was to assess the anti-inflammatory activity of a polyphenolic extract from olive pits. Material and methods: The THP1-XBlue-CD14 (invivogen) cellular line, 80,000 cells/well, was incubated and inflammation (activation of NF-kb) was produced with 0.1 mg/mL of LPS (lipopolysaccharide from E. coli) for 24 hours. We assessed the presence of the extract (10 and 50 mg/L, biologically safe concentrations) for 2 hours at 37o C, before (preventive effect) and after (therapeutic effect) the proinflammatory activation, and the activity of alkaline phosphatase, which is expressed under the control of the NF-kb transcriptional factor, was quantified by colorimetry. The percentage of activity of NF-kb as preventive effect and therapeutic effect was assessed by comparing it to control cultures of cells with LPS and without extract, which are considered 100% of NF-kb. Results: The preventive anti-inflammatory capacity of the extract at 50 mg/L was 25.5% (95% CI: 16.8-34.2) and the therapeutic effect 34.9% (95% CI: 25.3-44.4) for the same concentration, without any significant activity at 10 mg/L. Conclusion: An activity of polyphenols extracted from olive pits is shown, both in preventing inflammation and therapeutically eliminating inflammation through inhibition of NF-kB factor previously activated by LPS at concentrations of 50 mg/L of polyphenols, which previously haven been shown to be safe.

Palabras clave : Polyphenols; Anti-inflammatory activity; Extract from olive pits; NF-kb factor; Lipopolysaccharides from E. coli.

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