journal article Open Access Sep 14, 2020

Cathepsin B-Responsive Liposomes for Controlled Anticancer Drug Delivery in Hep G2 Cells

Pharmaceutics Vol. 12 No. 9 pp. 876 · MDPI AG
View at Publisher Save 10.3390/pharmaceutics12090876
Abstract
In recent decades, several types of anticancer drugs that inhibit cancer cell growth and cause cell death have been developed for chemotherapeutic application. However, these agents are usually associated with side effects resulting from nonspecific delivery, which may induce cytotoxicity in healthy cells. To reduce the nonspecific delivery issue, nanoparticles have been successfully used for the delivery of anticancer drugs to specific target sites. In this study, a functional polymeric lipid, PEG-GLFG-K(C16)2 (PEG-GLFG, polyethylene glycol-Gly-Leu-Phe-Gly-Lys(C16)2), was synthesized to enable controlled anticancer drug delivery using cathepsin B enzyme-responsive liposomes. The liposomes composed of PEG-GLFG/DOTAP (1,2-dioleoyl-3-trimethylammonium-propane (chloride salt))/DPPC (dipalmitoylphosphatidylcholine)/cholesterol were prepared and characterized at various ratios. The GLFG liposomes formed were stable liposomes and were degraded when acted upon by cathepsin B enzyme. Doxorubicin (Dox) loaded GLFG liposomes (GLFG/Dox) were observed to exert an effective anticancer effect on Hep G2 cells in vitro and inhibit cancer cell proliferation in a zebrafish model.
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Published
Sep 14, 2020
Vol/Issue
12(9)
Pages
876
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Funding
Bio & Medical Technology Development Program of the National Research Foundation (NRF) funded by the Korean government (MSIT) Award: NRF-2018M3A9B5024060 and NRF-2018M3A9B5024068
Cite This Article
Seulgi Lee, Su Jeong Song, Junseong Lee, et al. (2020). Cathepsin B-Responsive Liposomes for Controlled Anticancer Drug Delivery in Hep G2 Cells. Pharmaceutics, 12(9), 876. https://doi.org/10.3390/pharmaceutics12090876
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