AI Article Synopsis
- Curcumin (CUR) is highly effective against various tumor cells but faces challenges due to poor water solubility and rapid degradation, limiting its practical application.
- Research developed starch-based microspheres crosslinked with N,N-methylenebisacrylamide (MBA) that successfully deliver CUR, showing high loading efficiency and controlled release.
- In vitro tests revealed that these microspheres enhance CUR's cytotoxicity against Caco-2 and HCT-116 tumor cell lines by up to 40 times compared to pure CUR, due to its sustained release properties.
Article Abstract
Curcumin (CUR) has been proved to be highly cytotoxic against different tumor cell lines. However, its poor solubility in aqueous medium and fast degradation in physiological pH are the common drawbacks preventing its efficient practical use. Herein, we report the development of original microspheres based on the biopolymer starch crosslinked with N,N-methylenebisacrylamide (MBA) to be applied as an efficient delivering system for CUR. The starch-based microspheres showed high loading efficiency even in loading solution with different CUR concentrations. In vitro release assays data showed that the CUR release is governed by anomalous transport (n=0.73) and it is pH-dependent. Cytotoxicity assays showed that starch microspheres could improve the cytotoxicity of CUR toward Caco-2 and HCT-116 tumor cell lines up to 40 times than that found for pure CUR. This behavior was attributed to the slowly and sustained release of CUR from the microspheres.
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| http://dx.doi.org/10.1016/j.carbpol.2013.06.013 | DOI Listing |
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