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Chen YB, Zhang YB, Wang YL, Kaur P, Yang BG, Zhu Y, Ye L, Cui YL. A novel inhalable quercetin-alginate nanogel as a promising therapy for acute lung injury. J Nanobiotechnology 2022; 20:272. [PMID: 35690763 PMCID: PMC9187928 DOI: 10.1186/s12951-022-01452-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/06/2022] [Indexed: 02/07/2023] Open
Abstract
Background Acute lung injury (ALI), a severe health-threatening disease, has a risk of causing chronic pulmonary fibrosis. Informative and powerful evidence suggests that inflammation and oxidative stress play a central role in the pathogenesis of ALI. Quercetin is well recognized for its excellent antioxidant and anti-inflammatory properties, which showed great potential for ALI treatment. However, the application of quercetin is often hindered by its low solubility and bioavailability. Therefore, to overcome these challenges, an inhalable quercetin-alginate nanogel (QU-Nanogel) was fabricated, and by this special “material-drug” structure, the solubility and bioavailability of quercetin were significantly enhanced, which could further increase the activity of quercetin and provide a promising therapy for ALI. Results QU-Nanogel is a novel alginate and quercetin based “material-drug” structural inhalable nanogel, in which quercetin was stabilized by hydrogen bonding to obtain a “co-construct” water-soluble nanogel system, showing antioxidant and anti-inflammatory properties. QU-Nanogel has an even distribution in size of less than 100 nm and good biocompatibility, which shows a stronger protective and antioxidant effect in vitro. Tissue distribution results provided evidence that the QU-Nanogel by ultrasonic aerosol inhalation is a feasible approach to targeted pulmonary drug delivery. Moreover, QU-Nanogel was remarkably reversed ALI rats by relieving oxidative stress damage and acting the down-regulation effects of mRNA and protein expression of inflammation cytokines via ultrasonic aerosol inhalation administration. Conclusions In the ALI rat model, this novel nanogel showed an excellent therapeutic effect by ultrasonic aerosol inhalation administration by protecting and reducing pulmonary inflammation, thereby preventing subsequent pulmonary fibrosis. This work demonstrates that this inhalable QU-Nanogel may function as a promising drug delivery strategy in treating ALI. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-022-01452-3. Quercetin (QU)-Nanogel shows a significant therapeutic effect on acute lung injury. Quercetin as an active substance, was also involved in the nanogel construction. The novel nanogel increase the bioavailability of quercetin. Inhalation of QU-Nanogel allows the drug to reach the lungs directly.
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Affiliation(s)
- Yi-Bing Chen
- State Key Laboratory of Component-based Chinese Medicine, Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Poyanghu Road, West District of Tuanbo New Town, Jinghai District, Tianjin, 301617, China.,First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, 300381, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, 300381, Tianjin, China
| | - Ya-Bin Zhang
- Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials, School of Chemistry and Chemical Engineering, University of Jinan, 250022, Jinan, China
| | - Yu-Le Wang
- Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, TEDA, 300457, Tianjin, China.,Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Prabhleen Kaur
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Bo-Guang Yang
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China
| | - Yan Zhu
- State Key Laboratory of Component-based Chinese Medicine, Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Poyanghu Road, West District of Tuanbo New Town, Jinghai District, Tianjin, 301617, China.,Research and Development Center of TCM, Tianjin International Joint Academy of Biotechnology and Medicine, TEDA, 300457, Tianjin, China
| | - Lei Ye
- Department of Pharmaceutics, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, 250012, Shandong, China.
| | - Yuan-Lu Cui
- State Key Laboratory of Component-based Chinese Medicine, Research Center of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Poyanghu Road, West District of Tuanbo New Town, Jinghai District, Tianjin, 301617, China.
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