AI Article Synopsis
- * The fractions were analyzed for various properties, including antioxidant capacity and bioactive compound content; retentates from 100 and 50 kDa exhibited higher levels of beneficial compounds.
- * The fractions were tested on MCF-7 breast cancer cells and showed promising antitumoral activity, especially when combined with common chemotherapy drugs, enhancing their effectiveness.
Article Abstract
The extract obtained by pressurized hot water extraction from , to recover the bioactive compound known as fucoidan, was fractionated using membranes of 100, 50, 30, 10, and 5 kDa, obtaining five retentates and the final permeate. These fractions were characterized for phloroglucinol content, protein content, sulfate content, and trolox equivalent antioxidant capacity (TEAC); apart from oligosaccharides, FTIR and molar mass distribution were also evaluated. Retentates of 100 and 50 kDa showed higher values for phloroglucinol, TEAC, and sulfate content. The rheology of the alginate fraction was also evaluated. Regarding the potential antitumoral activity, all fractions were assessed in MCF-7 cells using a metabolic activity assay based on the reduction of a tetrazolium compound, the most efficient being R100 and R50. Based on the results, these fractions were compared with commercial fucoidans at the same concentrations, and similar results were found. In addition, synergistic cytotoxic effects using two drugs commonly used in breast cancer, cis-Platinum (cis-Pt) and 5-fluorouracil (5-FU), were tested in combination with R100 and R50. Promising results were obtained when the retentate and the drugs were mixed, showing an improvement in the cytotoxicity induced by the chemotherapy.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10817663 | PMC |
| http://dx.doi.org/10.3390/md22010016 | DOI Listing |
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