Development and characterization of pH-sensitive zerumbone-encapsulated liposomes for lung fibrosis via inhalation Route.

IF 4.4 2区 医学 Q1 PHARMACOLOGY & PHARMACY
Nourhan Elsayed, Chee Wun How, Jhi Biau Foo
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引用次数: 0

Abstract

Zerumbone (ZER), a compound derived from the rhizome of Zingiber Zerumbet (L.) Smith, has demonstrated anti-inflammatory properties but suffers from poor water solubility, limiting its clinical application. While ZER's effects on lung inflammation are known, its role in lung fibrosis remains unexplored. Herein, ZER was encapsulated in pH-sensitive liposomes formulated with oleic acid, dipalmitoylphosphatidylcholine, and cholesterol to enhance ZER solubility and delivery to the acidic environment of lung fibrosis. The liposomes were optimized using Box-Behnken design, resulting in an average diameter of 87.8 ± 3.5 nm, a polydispersity index of 0.16 ± 0.2, and a zeta potential of -24 ± 0.32 mV. ZER release from the carrier followed zero-order kinetics and showed higher release in acidic settings. Cascade impactor and HPLC analyses confirmed that ZER liposome powder produced by freeze-drying reached stage 7, indicating effective delivery to deep lung regions. The uptake of ZER liposomes was concentration and pH-dependent, being higher in acidic conditions and greater in MRC-5 cells compared to A549 cells. Notably, ZER liposomes reduced cell migration and downregulated fibrotic markers such as fibronectin, MMP-2, and α-SMA in MRC-5 and A549 cells. This study suggests that ZER liposomes hold promise for treating lung fibrosis and merit further investigation.

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来源期刊
CiteScore
8.80
自引率
4.10%
发文量
211
审稿时长
36 days
期刊介绍: The European Journal of Pharmaceutics and Biopharmaceutics provides a medium for the publication of novel, innovative and hypothesis-driven research from the areas of Pharmaceutics and Biopharmaceutics. Topics covered include for example: Design and development of drug delivery systems for pharmaceuticals and biopharmaceuticals (small molecules, proteins, nucleic acids) Aspects of manufacturing process design Biomedical aspects of drug product design Strategies and formulations for controlled drug transport across biological barriers Physicochemical aspects of drug product development Novel excipients for drug product design Drug delivery and controlled release systems for systemic and local applications Nanomaterials for therapeutic and diagnostic purposes Advanced therapy medicinal products Medical devices supporting a distinct pharmacological effect.
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