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Abstract Title:

Combination of Curcumin and Paclitaxel Liposomes Exhibits Enhanced Cytotoxicity Towards A549/A549-T Cells and Unaltered Pharmacokinetics.

Abstract Source:

J Biomed Nanotechnol. 2020 Aug 1 ;16(8):1304-1313. PMID: 33397559

Abstract Author(s):

Xianhu Feng, Chao Pi, Shaozhi Fu, Hongru Yang, Xiaoli Zheng, Yi Hou, Yuanyuan Wang, Xiaomei Zhang, Ling Zhao, Yumeng Wei

Article Affiliation:

Xianhu Feng

Abstract:

: Combination chemotherapy of chemo-drugs and natural herbal drugs has been shown to be more advantageous than individual treatment with respect to enhancing cytotoxicity, alleviating toxicity and controlling the development of multidrug resistance (MDR).: The goal of this study is to construct a combined drug delivery system of curcumin liposomes (CUR-LPs) and paclitaxel liposomes (PTX-LPs) to enhance the anticancer activity and reverse the MDR of PTX.: CUR-LPs and PTX-LPs were prepared by solvent evaporation method with optimal formulation composition. MTT assay was used to assess the effect of the combination of CUR-LPs and PTX-LPs treatments on the proliferation of A549/A549-T cells. In addition, the pharmacokinetic behaviors of the combination treatments were evaluated by HPLC. Results : The mixed liposomes were found to have negative zeta-potential (-17.91± 1.21 mV) and relatively uniform particle size (105.88 ± 3.19 nm) with a low polydispersity index (0.21 ± 0.016). ICof PTX for combination of CUR-LPs and PTX-LPs decreased in the range of 1.47-2.9 times and 1.59-2.5 times compared to the free-drug counterparts in A549 and A549-T cells, respectively. Superior cytotoxicity and higher synergy (CI0.4) were observed for the combination treatment with ratio of 40:1 (CUR-LPs:PTX-LPs) compared with the free-drug counterparts in both cell lines tested. Following intravenous administration in rats, liposomes presented higher bioavailability (CUR-LPs: 9.02 fold; PTX-LPs: 7.32 fold) compared to free drugs. Co-administration did not alter the respective pharmacokinetic behaviors.: Overall, the present study presents a promising strategy for the development of compound formulations of CUR and PTX.

Study Type : In Vitro Study

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