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Published on: October 18, 2024
Tween 80-modified hyaluronic acid-ss-curcumin micelles for targeting glioma: Synthesis, characterization and their in
Cihui Tian1, Sajid Asghar2, Yurui Xu1
1Department of Pharmaceutics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China.
Abstract:
Redox-sensitive micelles based onhydrophilic hyaluronic acid-ss-hydrophobic curcumin conjugate were designed as a novel delivery system for gliomas targeting. Furthermore, the obtained micelles were further functionalized with Tween 80 (CUR-THSC) for better brain penetration. Dynamic light scattering experiment and in vitro release study showed that the synthetic disulfide-linked conjugate possessed redox-sensitivity under high glutathione conditions. Spherical micelles with a mean particle size of 74.2 nm, negative zeta potential (-30.25 mV), high entrapment efficiency (94.12%) and drug loading (8.9%) were obtained. XRD analysis of micelles revealed amorphous form of the encapsulated drug. CUR-THSC micelles showed good plasma stability and did not induce any hemolysis in erythrocytes. In addition, highest cytotoxicity in G422 cells was observed compared to the free curcumin group and non-sensitive micelles group. These results indicate that the Tween 80-modified hyaluronic acid-ss-curcumin micelles could emerge as a promising platform for the delivery of curcumin in the treatment of gliomas.
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