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    Curcumin-Encapsulated Fusion Protein-Based Nanocarrier Demonstrated Highly Efficient Epidermal Growth Factor Receptor-Targeted Treatment of Colorectal Cancer

    Year: 2022

    Journal: J. Agric. Food Chem., Volume 70, DEC 14, page 15464–15473

    Authors: Han, Zhiqiang; Song, Bo; Yang, Jiyuan; Wang, Bo; Ma, Zhongqiang; Yu, Long; Li, Yuanhao; Xu, Haijin; Qiao, Mingqiang

    Organizations: National Key Research and Development Program [2018YFA0900100]; Natural Science Fund for Young Scholars of Tianjin [21JCQNJC00110]

    Keywords: curcumin; GE11; hydrophobin; targeted drug delively

    Curcumin, a polyphenol derived from turmeric, has multiple biological functions, such as anti-inflammatory, antioxidant, antibacterial and, above all, antitumor activity. Colorectal cancer is a common malignancy of the gastrointestinal tract with an extremely high mortality rate. However, the low bioavailability and poor targeting properties of curcumin generally limit its clinical application. In the present study, we designed a fusion protein GE11-HGFI as a nanodrug delivery system. The protein was connected by flexible linkers, inheriting the self-assembly properties of hydrophobin HGFI and the targeting ability of GE11. The data show that the encapsulation of curcumin by fusion protein GE11-HGFI can form uniform and stable nanoparticles with a size of only 80 nm. In addition, the nanocarrier had high encapsulation efficiency for curcumin and made it to release sustainably. Notably, the drug-loaded nanosystem selectively targeted colorectal cancer cells with high epidermal growth factor receptor expression, resulting in high aggregated concentrations of curcumin at tumor sites, thus showing a significant anticancer effect. These results suggest that the nanocarrier fusion protein has the potential to be a novel strategy for enhancing molecular bioactivity and drug targeting in cancer therapy.
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