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Combination Therapy Research of Curcumin Micellar Prodrug Encapsulated with Paclitaxel Name : Qi Zhang No. : 2011213027 Tutor : Zheng Wang.

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Presentation on theme: "Combination Therapy Research of Curcumin Micellar Prodrug Encapsulated with Paclitaxel Name : Qi Zhang No. : 2011213027 Tutor : Zheng Wang."— Presentation transcript:

1 Combination Therapy Research of Curcumin Micellar Prodrug Encapsulated with Paclitaxel Name : Qi Zhang No. : 2011213027 Tutor : Zheng Wang

2 Contents Introduction Proposals Current experiment Schedules for the next stage References

3 Introduction Advantages: antioxidant \ antitumor activity low toxicity \ less adverse reactions Disadvantages: unstable \ low water solubility low bioavailability Advantages: high antitumor activities Disadvantages: severe side effect low water solubility

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5 Proposal Micelle formation Characterization Drug loading and releasing Investigation on stability In vitro antitumor activity

6 Current experiment

7 1 H-NMR

8 MPEG-PLA-Tris-Cur 图 接枝率 : 1.95 左右

9 Micelle formation dialysis Self-assemble Paclitaxel (different ratio) MPEG-PLA-Tris-curcumin micelle MPEG-PLA-Tris-curcumin/pax micelle 15 : 1 10 : 1.5 10 : 2 10 : 3

10 TEM Void micelle

11 Size SampleSize 空白胶束 98.6 载体 / 胶束( 15/1 ) 107.4 载体 / 胶束( 10/1.5 ) 108.7 载体 / 胶束( 10/2 ) 116.8 载体 / 胶束( 10/3 ) 124.9

12 Schedules for the next stage Drug loading and releasing Investigation on stability In vitro antitumor activity

13 References Y. Q. Shen, E. Jin, et al., Prodrugs forming high drug-loading multifunctional nanocapsules for cancer intracellular drug delivery, J. Am. Chem. Soc. 2010, 132: 4259–4265. H. D. Tang, C. J. Murphy, B. Zhang, et al., Amphiphilic curcumin conjugate- forming nanoparticles as anticancer prodrug and drug carriers: in vitro and in vivo effects, Nanomedicine 2010, 5(6): 855-865. Y. Qiao, P. S. Rong, D. Zhuo, Preparation and properties of self-assemble paclitaxel-loaded core-shell type nano-micelles, Acta Pharmaceutica Sinica 2008, 43(4): 408-414. X. F. Zhang, Y. X. Li, X. S. Chen, et al., Synthesis and characterization of the paclitaxel/MPEG-PLA block copolymer conjugate, Biomaterials 2005, 26: 2121- 2128 Z. Ma, A. Haddadi, et al., Micelles of poly(ethylene oxide)-b-poly(e- caprolactone) as vehicles for the solubilization, stabilization,and controlled delivery of curcumin, Journal of Biomedical Materials 2007, 10: 301-310.

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