Samah Shabana , Hamed I. Hamouda , Heng Yin , Samia Hamouda , Busati Ahmed , Mohamed H. El-Sayed , Zhe Chi , Chenguang Liu
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引用次数: 0
Abstract
Marine phospholipid (MPL) nanoliposomes represent a new frontier in drug delivery systems, offering unique bio-functional and physicochemical properties. This study developed orally administered MPL nanoliposomes to enhance apremilast delivery and bioavailability in inflamed bowel disease (IBD). Drug release studies showed effective gastric protection (21.2 ± 0.4 % release at pH 1.2 after 2 h) and substantial release (96.4 ± 0.3 %) at pH 6.8 over 12 h. The optimized formulation (4 % drug w/w) showed remarkable stability over 6 weeks of storage at 4 °C. Apr/MPL nanoliposomes up to 300 µg/mL showed great cytocompatibility to RAW 264.7 macrophages and Caco2 intestinal cells. Furthermore, the formulation exhibited superior anti-inflammatory effects, significantly reducing nitric oxide (NO) production and downregulating pro-inflammatory cytokines (TNF-α, IL-1β, IL-6) in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. In vivo, Apr/MPL nanoliposomes improved recovery in a dextran sulfate sodium (DSS)-induced ulcerative colitis model, outperforming free apremilast. These findings underscore MPL nanoliposomes as a promising pharmacological tool for managing inflammation and a versatile drug delivery system for IBD.
期刊介绍:
Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena.
The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.