Anti-breast Cancer Activity of pH-responsive Nanogel Loaded with Curcumin
Ruipeng Shang , Yuxin Wang , Xinqi Wang , Zigui Wang , Lili Duan , Xuejie Qi
Journal of Wuhan University of Technology Materials Science Edition ›› 2025, Vol. 40 ›› Issue (3) : 895 -903.
Anti-breast Cancer Activity of pH-responsive Nanogel Loaded with Curcumin
We prepared curcumin (Cur)/carboxymethyl-β-cyclodextrin (CM-β-CD) complex by grinding method. According to the characteristics of the tumor microenvironment, a pH-responsive nanogel loaded with Cur was designed and prepared (by CM-β-CD and chitosan) and consequently characterized by DLS, TEM, FTIR, 1H NMR, SEM, etc. In vitro release results show that Cur-loaded Chitosan-CM-β-CD nanogel (Cur-CS-CM-β-CD) released Cur rapidly under acidic conditions, and its cumulative release rate is 41%, 56% and 67% at pH 7.4, 6.5 and 5.5, respectively. The cell inhibition rate of Cur-CS-CM-β-CD on MCF-7 cell lines was detected by the MTT assay. The results suggest the cell inhibition rate of Cur-CS-CM-β-CD is (50.2±2.5)% at 10 µM, (98.3±1.2)% at 40 µM and (97.5±1.2)% at 80 µM, respectively. It is revealed that the pH-responsive nanogel loaded Cur can effectively inhibit the growth of breast cancer cells and has the potential for clinical application.
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Wuhan University of Technology and Springer-Verlag GmbH Germany, Part of Springer Nature
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