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Nano-Liposomes Double Loaded with Curcumin and Tetrandrine: Preparation, Characterization, Hepatotoxicity and Anti-Tumor Effects

Overview
Journal Int J Mol Sci
Publisher MDPI
Date 2022 Jun 24
PMID 35743311
Authors
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Abstract

(1) Background: Curcumin (CUR) and tetrandrine (TET) are natural compounds with various bioactivities, but have problems with low solubility, stability, and absorption rate, resulting in low bioavailability, and limited applications in food, medicine, and other fields. It is very important to improve the solubility while maintaining the high activity of drugs. Liposomes are micro-vesicles synthesized from cholesterol and lecithin. With high biocompatibility and biodegradability, liposomes can significantly improve drug solubility, efficacy, and bioavailability. (2) Methods: In this work, CUR and TET were encapsulated with nano-liposomes and g DSPE-MPEG 2000 (DP)was added as a stabilizer to achieve better physicochemical properties, biosafety, and anti-tumor effects. (3) Results: The nano-liposome (CT-DP-Lip) showed stable particle size (under 100 nm) under different conditions, high solubility, drug encapsulation efficiency (EE), loading capacity (LC), release rate in vitro, and stability. In addition, in vivo studies demonstrated CT-DP-Lip had no significant toxicity on zebrafish. Tumor cytotoxicity test showed that CT-DP-Lip had a strong inhibitory effect on a variety of cancer cells. (4) Conclusions: This work showed that nano-liposomes can significantly improve the physical and chemical properties of CUR and TET and make them safer and more efficient.

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