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Chen G, Yang Z, Wen D, Li P, Xiong Q, Wu C. Oridonin Inhibits Mycobacterium marinum Infection-Induced Oxidative Stress In Vitro and In Vivo. Pathogens 2023; 12:799. [PMID: 37375489 DOI: 10.3390/pathogens12060799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/28/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Prior to the COVID-19 pandemic, tuberculosis (TB) was the leading cause of death globally attributable to a single infectious agent, ranking higher than HIV/AIDS. Consequently, TB remains an urgent public health crisis worldwide. Oridonin (7a,20-Epoxy-1a,6b,7,14-tetrahydroxy-Kaur-16-en-15-one Isodonol, C20H28O6, Ori), derived from the Rabdosia Rrubescens plant, is a natural compound that exhibits antioxidant, anti-inflammatory, and antibacterial properties. Our objective was to investigate whether Ori's antioxidant and antibacterial effects could be effective against the infection Mycobacterium marinum (Mm)-infected cells and zebrafish. We observed that Ori treatment significantly impeded Mm infection in lung epithelial cells, while also suppressing inflammatory response and oxidative stress in Mm-infected macrophages. Further investigation revealed that Ori supplementation inhibited the proliferation of Mm in zebrafish, as well as reducing oxidative stress levels in infected zebrafish. Additionally, Ori promoted the expression of NRF2/HO-1/NQO-1 and activated the AKT/AMPK-α1/GSK-3β signaling pathway, which are both associated with anti-inflammatory and antioxidant effects. In summary, our results demonstrate that Ori exerts inhibitory effects on Mm infection and proliferation in cells and zebrafish, respectively. Additionally, Ori regulates oxidative stress by modulating the NRF2/HO-1/NQO-1 and AKT/AMPK-α1/GSK-3β signaling pathways.
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Affiliation(s)
- Guangxin Chen
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Taiyuan 030006, China
| | - Ziyue Yang
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Taiyuan 030006, China
| | - Da Wen
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Taiyuan 030006, China
| | - Ping Li
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Taiyuan 030006, China
| | - Qiuhong Xiong
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Taiyuan 030006, China
| | - Changxin Wu
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory of Medical Molecular Cell Biology, Taiyuan 030006, China
- Shanxi Provincial Key Laboratory for Prevention and Treatment of Major Infectious Diseases, Taiyuan 030006, China
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Wang L, Zhao X, Ding J, Liu Y, Liu H, Zheng L, Zhao H, Sun Z, Li K, Cai J, Qiao T. Oridonin attenuates the progression of atherosclerosis by inhibiting NLRP3 and activating Nrf2 in apolipoprotein E-deficient mice. Inflammopharmacology 2023:10.1007/s10787-023-01161-9. [PMID: 37155118 DOI: 10.1007/s10787-023-01161-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/08/2023] [Indexed: 05/10/2023]
Abstract
Oridonin, a well-known traditional Chinese herbal medicinal product isolated from Isodon rubescens (Hemsl.) H.Hara, has many potential properties, including anti-inflammatory and antioxidant activities. However, there is no evidence whether oridonin have a protective effect on atherosclerosis. This study focused on the effects of oridonin on oxidative stress and inflammation generated from atherosclerosis. The therapeutic effect on atherosclerosis was evaluated by intraperitoneal injection of oridonin in a high-fat fed ApoE-/- mouse model. We isolated mouse peritoneal macrophages and detected the effect of oridonin on oxidized low-density lipoprotein-induced lipid deposition. Oil red O staining, Masson's staining, dihydroethidium fluorescence staining, immunohistochemical staining, western blotting analysis, immunofluorescence, enzyme-linked immunosorbent assay and quantitative real-time PCR were used to evaluate the effect on atherosclerosis and explore the mechanisms. Oridonin treatment significantly alleviated the progression of atherosclerosis, reduced macrophage infiltration and stabilized plaques. Oridonin could significantly inhibit inflammation associated with NLRP3 activation. Oridonin significantly reduced oxidative stress by blocking Nrf2 ubiquitination and degradation. We also found that oridonin could prevent the formation of foam cells by increasing lipid efflux protein and reducing lipid uptake protein in macrophages. Oridonin has a protective effect on atherosclerosis in ApoE-/- mice, which may be related to the inhibition of NLRP3 and the stabilization of Nrf2. Therefore, oridonin may be a potential therapeutic agent for atherosclerosis.
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Affiliation(s)
- Lei Wang
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China
| | - Xiaoqi Zhao
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China
| | - Jiawen Ding
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China
| | - Yutong Liu
- Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, People's Republic of China
| | - Han Liu
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China
| | - Lei Zheng
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China
| | - Hongting Zhao
- Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, People's Republic of China
| | - Zichen Sun
- Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, People's Republic of China
| | - Kuanyu Li
- Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, People's Republic of China
| | - Jing Cai
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China.
| | - Tong Qiao
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China.
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Lin J, Lai X, Fan X, Ye B, Zhong L, Zhang Y, Shao R, Shi S, Huang W, Su L, Ying M. Oridonin Protects against Myocardial Ischemia-Reperfusion Injury by Inhibiting GSDMD-Mediated Pyroptosis. Genes (Basel) 2022; 13:2133. [PMID: 36421808 PMCID: PMC9690185 DOI: 10.3390/genes13112133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/07/2022] [Accepted: 11/13/2022] [Indexed: 10/12/2023] Open
Abstract
Pyroptosis serves a crucial function in various types of ischemia and reperfusion injuries. Oridonin, a tetracycline diterpene derived from Rabdosia rubescens, can significantly inhibit the aggregation of NLRP3-mediated inflammasome. This experiment is aimed at investigating the effect of oridonin on pyroptosis in mice cardiomyocytes. Based on the models of myocardial ischemia/reperfusion (I/R) and hypoxia/reoxygenation (H/R), Evans Blue/TTC double staining, TUNEL staining, and Western blotting were applied to determine the effects of oridonin on myocardial damage, cellular activity and signaling pathways involved in pyroptosis. During I/R and H/R treatments, the extent of gasdermin D-N domains was upregulated in cardiomyocytes. Apart from that, oridonin improved cell survival in vitro and decreased the myocardial infarct size in vivo by also downregulating the activation of pyroptosis. Finally, the expression levels of ASC, NLRP3 and p-p65 were markedly upregulated in cardiomyocytes after H/R treatment, whereas oridonin suppressed the expression of these proteins. The present experiment revealed that myocardial I/R injury and pyroptosis can be alleviated and inhibited by oridonin pretreatment via NF-κB/NLRP3 signaling pathway, both in vivo and in vitro. Therefore, oridonin may serve as a potentially novel agent for the clinical treatment of myocardial ischemia-reperfusion injuries.
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Affiliation(s)
- Jiahui Lin
- First School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Xianhui Lai
- Department of Cardiology, Yuhuan County People’s Hospital of Zhejiang Province, Taizhou 318000, China
| | - Xiaoxi Fan
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Bozhi Ye
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Lingfeng Zhong
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Yucong Zhang
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Ruiyin Shao
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Si Shi
- First School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Weijian Huang
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Lan Su
- Key Laboratory of Cardiovascular Disease, Department of Cardiology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Miaomiao Ying
- Department of Pathology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
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Zhao H, Yang Y, Si X, Liu H, Wang H. The Role of Pyroptosis and Autophagy in Ischemia Reperfusion Injury. Biomolecules 2022; 12:biom12071010. [PMID: 35883566 PMCID: PMC9313059 DOI: 10.3390/biom12071010] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/13/2022] [Accepted: 07/20/2022] [Indexed: 02/07/2023] Open
Abstract
Pyroptosis is a process of programmed cell death mediated by gasdermin (GSDM) found in recent years. In the process of pyroptosis, caspase-1 or caspase-11/4/5 is activated, which cleaves gasdermin D and separates its N-terminal pore-forming domain (PFD). The oligomers of PFD bind to the cell membrane and form macropores on the membrane, resulting in cell swelling and membrane rupture. Increasing evidence indicates that pyroptosis is involved in many diseases, including ischemia reperfusion injury. Autophagy is a highly conserved catabolic process in eukaryotic cells. It plays an important role in the survival and maintenance of cells by degrading organelles, proteins, and macromolecules in the cytoplasm and recycling degradation products. Increasing evidence shows that dysfunctional autophagy participates in many diseases. Recently, autophagy and pyroptosis have been reported to play a vital role in the process of ischemia/reperfusion injury, but the related mechanisms are not completely clear. Therefore, this article reviews the role of autophagy and pyroptosis in ischemia–reperfusion injury and analyzes the related mechanisms to provide a basis for future research.
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Affiliation(s)
- Huijie Zhao
- Institute of Chronic Disease Risks Assessment, Henan University, Jinming Avenue, Kaifeng 475004, China;
| | - Yihan Yang
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.Y.); (H.L.)
| | - Xinya Si
- School of Stomatology, Henan University, Kaifeng 475004, China;
| | - Huiyang Liu
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.Y.); (H.L.)
| | - Honggang Wang
- School of Basic Medical Sciences, Henan University, Kaifeng 475004, China; (Y.Y.); (H.L.)
- Correspondence:
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