Zwitterionic Inhaler with Synergistic Therapeutics for Reprogramming of M2 Macrophage to Pro-Inflammatory Phenotype
- Authors
- Jung, Sungwon; Heo, Sungeun; Oh, Yoogyeong; Park, Kyungtae; Park, Sohyeon; 최우진; Kim, Yang‐Hee; Jung, Se Yong; Hong, Jinkee
- Issue Date
- Sep-2023
- Publisher
- WILEY
- Citation
- ADVANCED HEALTHCARE MATERIALS, v.12, no.22
- Journal Title
- ADVANCED HEALTHCARE MATERIALS
- Volume
- 12
- Number
- 22
- URI
- https://yscholarhub.yonsei.ac.kr/handle/2021.sw.yonsei/22953
- DOI
- 10.1002/adhm.202300226
- ISSN
- 2192-2640
2192-2659
- Abstract
- Myriad lung diseases are life threatening and macrophages play a key role in both physiological and pathological processes. Macrophages have each pro-/anti-inflammatory phenotype, and each lung disease can be aggravated by over-polarized macrophage. Therefore, development of a method capable of mediating the macrophage phenotype is one of the solutions for lung disease treatment. For mediating the phenotype of macrophages, the pulmonary delivery system (PDS) is widely used due to its advantages, such as high efficiency and accessibility of the lungs. However, it has a low drug delivery efficiency ironically because of the perfect lung defense system consisting of the mucus layer and airway macrophages. In this study, zwitterion-functionalized poly(lactide-co-glycolide) (PLGA) inhalable microparticles (ZwPG) are synthesized to increase the efficiency of the PDS. The thin layer of zwitterions formed on PLGA surface has high nebulizing stability and show high anti-mucus adhesion and evasion of macrophages. As a reprogramming agent for macrophages, ZwPG containing dexamethasone (Dex) and pirfenidone (Pir) are treated to over-polarized M2 macrophages. As a result, a synergistic effect of Dex/Pir induces reprogramming of M2 macrophage to pro-inflammatory phenotypes.
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