Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 16, Issue 9, Pages 21681-21694Publisher
MDPI AG
DOI: 10.3390/ijms160921681
Keywords
maslinic acid; oleanolic acid; HPLC-MS; HT29; HepG2
Funding
- Plan Andaluz de Investigacion, Junta de Andalucia, Spain [BIO-157, BIO-341]
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Maslinic acid (MA) and oleanolic acid (OA), the main triterpenic acids present in olive, have important properties for health and disease prevention. MA selectively inhibits cell proliferation of the HT29 human colon-cancer cell line by inducing selective apoptosis. For measuring the MA and OA concentration inside the cell and in the culture medium, a new HPLC-MS procedure has been developed. With this method, a determination of the amount of MA and OA incorporated into HT29 and HepG2 human cancer-cell lines incubated with different concentrations of MA corresponding to 50% growth inhibitory concentration (IC50), IC50/2, IC50/4, and IC50/8 has been made. The results demonstrate that this method is appropriate for determining the MA and OA concentration in different types of cultured cells and reveals the specific dynamics of entry of MA into HT29 and HepG2 cells.
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