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Wang T, Liu M, Li X, Zhang S, Gu H, Wei X, Wang X, Xu Z, Shen T. Naturally-derived modulators of the Nrf2 pathway and their roles in the intervention of diseases. Free Radic Biol Med 2024:S0891-5849(24)00682-8. [PMID: 39368519 DOI: 10.1016/j.freeradbiomed.2024.09.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 09/19/2024] [Accepted: 09/23/2024] [Indexed: 10/07/2024]
Abstract
Cumulative evidence has verified that persistent oxidative stress is involved in the development of various chronic diseases, including pulmonary, neurodegenerative, kidney, cardiovascular, and liver disease, as well as cancer. Nuclear factor erythroid 2-related factor 2 (Nrf2) is pivotal role in regulating cellular oxidative stress and inflammatory reactions, making it a focal point for disease prevention and treatment strategies. Natural products are essential resources for discovering leading molecules for new drug research and development. In this review, we comprehensively outlined the progression of the knowledge on the Nrf2 pathway, Nrf2 activators in clinical trials, the naturally-derived Nrf2 modulators (particularly from 2014-present), as well as their effects on the pathogenesis of chronic diseases.
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Affiliation(s)
- Tian Wang
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Mingjie Liu
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Xinyu Li
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Sen Zhang
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Haoran Gu
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Xuan Wei
- Shandong Center for Food and Drug Evaluation and Inspection, Jinan, Shandong, People's Republic of China
| | - Xiaoning Wang
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Zhenpeng Xu
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China.
| | - Tao Shen
- Key Lab of Chemical Biology (MOE), Shandong Engineering Research Center for Traditional Chinese Medicine Standard, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China.
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Wang J, Zeng X, Xue W, Jia Q, Jiang Q, Huo C, Jiao X, Zhang J, Wang Y, Tian L, Zhu Z. Transcriptomic profiling of lung fibroblasts in silicosis: Regulatory roles of Nrf2 agonists in a mouse model. Int Immunopharmacol 2024; 143:113273. [PMID: 39362014 DOI: 10.1016/j.intimp.2024.113273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Revised: 09/21/2024] [Accepted: 09/25/2024] [Indexed: 10/05/2024]
Abstract
Silicosis is an occupational disease caused by long-term inhalation of free silica, resulting in a significant global health burden. Its pathogenesis remains unclear, and there is no effective treatment. Proliferative and activated myofibroblasts play a key role in the development of silicosis. Traditional studies have focused on fibroblast proliferation and collagen secretion, neglecting their functional heterogeneity. With the advancement of omics research, more pathogenic fibroblast subgroups and their functions have been identified. In this study, we applied transcriptomics to analyze gene changes in primary lung fibroblasts during silicosis development using a mouse model. Our results indicate that DEGs are enriched in collagen secretion, ECM synthesis, leukocyte migration, and chemotaxis functions. Altered core genes are associated with immune cell recruitment and cell migration. Nrf2 agonists, known for anti-inflammatory and antioxidant properties, have shown potential therapeutic effects in fibrotic diseases. However, their effects on fibroblasts in silicosis are not fully understood. We used four common Nrf2 agonists to study gene expression changes in lung fibroblasts at the transcriptome level, combined with histopathological and biochemical methods, to investigate their effects on silicosis in mice. Results show that Nrf2 agonists can exert anti-silicosis fibrosis functions by downregulating genes like Fos and Egr1, involved in cell differentiation, proliferation, and inflammation. In conclusion, this study suggests that inflammation-related co-functions of fibroblasts may be a potential mechanism in silicosis pathogenesis. Targeting Nrf2 may be a promising strategy to alleviate oxidative stress and inflammation in silicosis.
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Affiliation(s)
- Jiaxin Wang
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Xinying Zeng
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Wenming Xue
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Qiyue Jia
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Qiyue Jiang
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Chuanyi Huo
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Xukun Jiao
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Jiaxin Zhang
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Yan Wang
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Lin Tian
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Zhonghui Zhu
- Department of Occupational and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China.
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Wu S, Rong C, Lin R, Ji K, Lin T, Chen W, Mao W, Xu Y. Chinese medicine PaBing-II protects human iPSC-derived dopaminergic neurons from oxidative stress. Front Immunol 2024; 15:1410784. [PMID: 39156892 PMCID: PMC11327085 DOI: 10.3389/fimmu.2024.1410784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 07/16/2024] [Indexed: 08/20/2024] Open
Abstract
Background PaBing-II Formula (PB-II) is a traditional Chinese medicine for treating Parkinson's disease (PD). However, owing to the complexity of PB-II and the difficulty in obtaining human dopaminergic neurons (DAn), the mechanism of action of PB-II in PD treatment remains unclear. The aim of this study was to investigate the mechanisms underlying the therapeutic benefits of PB-II in patients with PD. Methods hiPSCs derived DAn were treated with H2O2 to construct the DAn oxidative damage model. SwissTargetPrediction was employed to predict the potential targets of the main compounds in serum after PB-II treatment. Metascape was used to analyze the pathways. Sprague-Dawley rats were used to construct the 6-hydroxydopamine (6-OHDA)-induced PD model, and the duration of administration was four weeks. RNA sequencing was used for Transcriptome analysis to find the signal pathways related to neuronal damage. The associated inflammatory factors were detected by enzyme-linked immunosorbent assay (ELISA). We identified PB-II as an Nrf2 activator using antioxidant-responsive element luciferase assay in MDA-MB-231 cells. Results In vitro experiments showed that the treatment of PB-II-treated serum increased the percentage of TH+ cells, decreased inflammation and the apoptosis, reduced cellular reactive oxygen species, and upregulated the expression of Nrf2 and its downstream genes. Pathway analysis of the RNA-seq data of samples before and after the treatment with PB-II-treated serum identified neuron-associated pathways. In vivo experiments demonstrated that PB-II treatment of PD rat model could activate the Nrf2 signaling pathway, protect the midbrain DAn, and improve the symptoms in PD rats. Conclusion PB-II significantly protects DAn from inflammation and oxidative stress via Nrf2 pathway activation. These findings elucidate the roles of PB-II in PD treatment and demonstrate the application of hiPSC-derived DAn in research of Chinese medicine.
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Affiliation(s)
- Shouhai Wu
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong, Guangzhou, China
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Cuiping Rong
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong, Guangzhou, China
- Laboratory of Molecular Biology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Guangxi, Nanning, China
| | - Ruishan Lin
- Experimental Teaching Center, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, Guangzhou, China
| | - Kaiyuan Ji
- Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangdong, Guangzhou, China
| | - Tongxiang Lin
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong, Guangzhou, China
- College of Animal Sciences, Fujian Agriculture and Forestry University, Fujian, Fuzhou, China
| | - Weimin Chen
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong, Guangzhou, China
| | - Wei Mao
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong, Guangzhou, China
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Yang Xu
- Department of Cardiology, Heart Regeneration and Repair Key Laboratory of Zhejiang Province, State Key Laboratory of Transvascular Implantation Devices, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Research Center for Life Science and Human Health, Binjiang Institute of Zhejiang University, Zhejiang, Hangzhou, China
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Yang J, Cai W, Wu F, Xu S, Zhang X, Liu B, Xu F. Hovendulcisic acid A-D: four novel ceanothane-type triterpenoids from Hovenia dulcis stems with anticancer properties. Front Chem 2024; 12:1383886. [PMID: 38807977 PMCID: PMC11130496 DOI: 10.3389/fchem.2024.1383886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 04/12/2024] [Indexed: 05/30/2024] Open
Abstract
Sixteen ceanothane-type triterpenoids, including four new compounds-hovendulcisic acids A-D (1-4) -were purified from the stems of Hovenia dulcis Thunb. The structures of 1-4 were confirmed by comprehensive means including ECD and quantum chemical calculations. Putative biosynthetic pathways of 1-16 were proposed, and 3, 5, and 15 exhibited antitumor activity on A549 and MDA-MB-231 cells.
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Affiliation(s)
- Jianzhan Yang
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wanna Cai
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Pharmacy, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Fan Wu
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shengmei Xu
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaoqi Zhang
- Guangdong Provincial Engineering Research Center for Modernization of TCM, College of Pharmacy, Jinan University, Guangzhou, China
| | - Bo Liu
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fangfang Xu
- Guangdong Provincial Key Laboratory of Research on Emergency in TCM, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
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Lin X, Chen J. Artemisitene: a promising natural drug candidate with various biological activities needs to confirm the interactional targets. Front Pharmacol 2023; 14:1221291. [PMID: 37397487 PMCID: PMC10308078 DOI: 10.3389/fphar.2023.1221291] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 06/09/2023] [Indexed: 07/04/2023] Open
Affiliation(s)
- Xian Lin
- Department of Rheumatism and Immunology, Peking University Shenzhen Hospital, Shenzhen, China
- Institute of Immunology and Inflammatory Diseases, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
- Shenzhen Key Laboratory of Inflammatory and Immunology Diseases, Shenzhen, China
| | - Jian Chen
- Department of Rheumatism and Immunology, Peking University Shenzhen Hospital, Shenzhen, China
- Institute of Immunology and Inflammatory Diseases, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
- Shenzhen Key Laboratory of Inflammatory and Immunology Diseases, Shenzhen, China
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Zhao C, Xiao C, Feng S, Bai J. Artemisitene Alters LPS-Induced Oxidative stress, inflammation and Ferroptosis in Liver Through Nrf2/HO-1 and NF-kB Pathway. Front Pharmacol 2023; 14:1177542. [PMID: 37180725 PMCID: PMC10167592 DOI: 10.3389/fphar.2023.1177542] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/13/2023] [Indexed: 05/16/2023] Open
Abstract
The liver plays a critical role in sepsis, which is a serious worldwide public health problem. A novel mechanism of controlled cell death called ferroptosis has recently been described. Disrupted redox equilibrium, excessive iron, and enhanced lipid peroxidation are key features of ferroptosis. It is unknown how ferroptosis affects liver damage caused by sepsis. In the present study, we aimed to elucidate the pathways and explore the impact of artemisitene (ATT) on ferroptosis in sepsis-induced liver injury. Our findings demonstrated that ATT significantly decreased liver damage and ferroptotic characteristics. Additionally, ATT significantly reduced the expression of the nuclear factor-κB (NF-κB) subunit to reduce LPS-induced hepatic oxidative stress and inflammation and upregulated the expression of nuclear factor-erythroid 2 (NF-E2)-related factor 2 (Nrf2) and its downstream protein heme oxygenase 1 (HO-1). This may offer a new strategy for preventing LPS-induced hepatic injury.
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Affiliation(s)
- Changzhi Zhao
- Second Affiliated Hospital of Dalian Medical University, Dalian, China
- Dalian Municipal Friendship Hospital, Dalian, China
| | - Congshu Xiao
- Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Songqiao Feng
- Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jianxin Bai
- Second Affiliated Hospital of Dalian Medical University, Dalian, China
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Chen J, Lin X, He J, Liu D, He L, Zhang M, Luan H, Hu Y, Tao C, Wang Q. Artemisitene suppresses rheumatoid arthritis progression via modulating METTL3-mediated N6-methyladenosine modification of ICAM2 mRNA in fibroblast-like synoviocytes. Clin Transl Med 2022; 12:e1148. [PMID: 36536495 PMCID: PMC9763537 DOI: 10.1002/ctm2.1148] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 11/29/2022] [Accepted: 12/04/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic autoimmune disease. We previously revealed that the natural compound artemisitene (ATT) exhibits excellent broad anticancer activities without toxicity on normal tissues. Nevertheless, the effect of ATT on RA is undiscovered. Herein, we aim to study the effect and potential mechanism of ATT on RA management. METHODS A collagen-induced arthritis (CIA) mouse model was employed to confirm the anti-RA potential of ATT. Cell Counting Kit-8 (CCK-8) and 5-ethynyl-2'-deoxyuridine (EdU) assays, cell cycle and apoptosis analysis, immunofluorescence, migration and invasion assays, quantitative real-time PCR (RT-qPCR), Western blot, RNA-sequencing (RNA-seq) analysis, plasmid construction and lentivirus infection, and methylated RNA immunoprecipitation and chromatin immunoprecipitation assays, were carried out to confirm the effect and potential mechanism of ATT on RA management. RESULTS ATT relieved CIA in mice. ATT inhibited proliferation and induced apoptosis of RA-fibroblast-like synoviocytes (FLSs). ATT restrained RA-FLSs migration and invasion via suppressing epithelial-mesenchymal transition. RNA-sequencing analysis and bioinformatics analysis identified intercellular adhesion molecule 2 (ICAM2) as a promoter of RA progression in RA-FLSs. ATT inhibits RA progression by suppressing ICAM2/phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT)/p300 pathway in RA-FLSs. Moreover, ATT inhibited methyltransferase-like 3 (METTL3)-mediated N6-methyladenosine methylation of ICAM2 mRNA in RA-FLSs. Interestingly, p300 directly facilitated METTL3 transcription, which could be restrained by ATT in RA-FLSs. Importantly, METTL3, ICAM2 and p300 expressions in synovium tissues of RA patients were related to clinical characteristics and therapy response. CONCLUSIONS We provided strong evidence that ATT has therapeutic potential for RA management by suppressing proliferation, migration and invasion, in addition to inducing apoptosis of RA-FLSs through modulating METTL3/ICAM2/PI3K/AKT/p300 feedback loop, supplying the fundamental basis for the clinical application of ATT in RA therapy. Moreover, METTL3, ICAM2 and p300 might serve as biomarkers for the therapy response of RA patients.
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Affiliation(s)
- Jian Chen
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Xian Lin
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Juan He
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Dandan Liu
- School of Basic Medical ScienceGuangzhou University of Chinese MedicineGuangzhouGuangdongChina
| | - Lianhua He
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Miaomiao Zhang
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Huijie Luan
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Yiping Hu
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
| | - Cheng Tao
- School of PharmacyGuangdong Medical UniversityDongguanGuangdongChina
| | - Qingwen Wang
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenGuangdongChina
- Shenzhen Key Laboratory of Inflammatory and Immunology DiseasesShenzhenGuangdongChina
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Hua L, Liang S, Zhou Y, Wu X, Cai H, Liu Z, Ou Y, Chen Y, Chen X, Yan Y, Wu D, Sun P, Hu W, Yang Z. Artemisinin-derived artemisitene blocks ROS-mediated NLRP3 inflammasome and alleviates ulcerative colitis. Int Immunopharmacol 2022; 113:109431. [DOI: 10.1016/j.intimp.2022.109431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/23/2022] [Accepted: 11/03/2022] [Indexed: 11/15/2022]
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Zhao C, Pu W, Wazir J, Jin X, Wei L, Song S, Su Z, Li J, Deng Y, Wang H. Long-term exposure to PM2.5 aggravates pulmonary fibrosis and acute lung injury by disrupting Nrf2-mediated antioxidant function. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120017. [PMID: 36007796 DOI: 10.1016/j.envpol.2022.120017] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
Epidemiological studies have indicated that exposure to ambient air-borne fine particulate matter (PM2.5) is associated with many cardiopulmonary diseases; however, the underlying pathological mechanisms of PM2.5-induced lung injury remain unknown. In this study, we aimed to assess the impact of acute or prolonged exposure to water-insoluble fractions of PM2.5 (PM2.5 particulate) on lung injury and its molecular mechanisms. Balb/c mice were randomly exposed to PM2.5 once (acute exposure) or once every three days for a total of 6 times (prolonged exposure). Lung, BALF and blood samples were collected, and pulmonary pathophysiological alterations were analyzed. Nrf2 knockout mice were adapted to assess the involvement of Nrf2 in lung injury, and transcriptomic analysis was performed to delineate the mechanisms. Through transcriptomic analysis and validation of Nrf2 knockout mice, we found that acute exposure to PM2.5 insoluble particulates induced neutrophil infiltration-mediated airway inflammation, whereas prolonged exposure to PM2.5 insoluble particulate triggered lung fibrosis by decreasing the transcriptional activity of Nrf2, which resulted in the downregulated expression of antioxidant-related genes. In response to secondary LPS exposure, prolonged PM2.5 exposure induced more severe lung injury, indicating that prolonged PM2.5 exposure induced Nrf2 inhibition weakened its antioxidative defense capacity against oxidative stress injury, leading to the formation of pulmonary fibrosis and increasing its susceptibility to secondary bacterial infection.
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Affiliation(s)
- Chen Zhao
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, China
| | - Wenyuan Pu
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, China
| | - Junaid Wazir
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, China
| | - Xiaolu Jin
- The First People's Hospital of Yancheng, The Affiliated Hospital of Nanjing University Medical School, Yancheng, 224006, China
| | - Lulu Wei
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, China
| | - Shiyu Song
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, China
| | - Zhonglan Su
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Jiabin Li
- The First People's Hospital of Yancheng, The Affiliated Hospital of Nanjing University Medical School, Yancheng, 224006, China
| | - Yijun Deng
- The First People's Hospital of Yancheng, The Affiliated Hospital of Nanjing University Medical School, Yancheng, 224006, China
| | - Hongwei Wang
- State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, 210093, China.
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Agrawal PK, Agrawal C, Blunden G. Artemisia Extracts and Artemisinin-Based Antimalarials for COVID-19 Management: Could These Be Effective Antivirals for COVID-19 Treatment? Molecules 2022; 27:3828. [PMID: 35744958 PMCID: PMC9231170 DOI: 10.3390/molecules27123828] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/03/2022] [Accepted: 06/05/2022] [Indexed: 12/23/2022] Open
Abstract
As the world desperately searches for ways to treat the coronavirus disease 2019 (COVID-19) pandemic, a growing number of people are turning to herbal remedies. The Artemisia species, such as A. annua and A. afra, in particular, exhibit positive effects against severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection and COVID-19 related symptoms. A. annua is a source of artemisinin, which is active against malaria, and also exhibits potential for other diseases. This has increased interest in artemisinin's potential for drug repurposing. Artemisinin-based combination therapies, so-called ACTs, have already been recognized as first-line treatments against malaria. Artemisia extract, as well as ACTs, have demonstrated inhibition of SARS-CoV-2. Artemisinin and its derivatives have also shown anti-inflammatory effects, including inhibition of interleukin-6 (IL-6) that plays a key role in the development of severe COVID-19. There is now sufficient evidence in the literature to suggest the effectiveness of Artemisia, its constituents and/or artemisinin derivatives, to fight against the SARS-CoV-2 infection by inhibiting its invasion, and replication, as well as reducing oxidative stress and inflammation, and mitigating lung damage.
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Affiliation(s)
- Pawan K. Agrawal
- Natural Product Inc., 7963 Anderson Park Lane, Westerville, OH 43081, USA;
| | - Chandan Agrawal
- Natural Product Inc., 7963 Anderson Park Lane, Westerville, OH 43081, USA;
| | - Gerald Blunden
- School of Pharmacy and Biomedical Science, University of Portsmouth, Portsmouth PO1 2DT, UK;
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Xiong Q, Li X, Xia L, Yao Z, Shi X, Dong Z. Dihydroartemisinin attenuates hypoxic-ischemic brain damage in neonatal rats by inhibiting oxidative stress. Mol Brain 2022; 15:36. [PMID: 35484595 PMCID: PMC9052669 DOI: 10.1186/s13041-022-00921-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 04/13/2022] [Indexed: 02/08/2023] Open
Abstract
Neonatal hypoxic-ischemic encephalopathy (HIE) induced by perinatal asphyxia is a major cause of neurological disability among infants. Dihydroartemisinin (DHA), derived from artemisinin, well known as an anti-malarial medicine, was proved to be able to inhibit oxidative stress and inflammation. However, whether those functions of DHA play roles in hypoxic-ischemic brain damage (HIBD), an animal model of HIE in patient which also been observed to have oxidative stress and inflammation, is unknown. In this study, we demonstrated that the DHA treatment on newborn rats significantly relieved the neuron loss and motor and cognitive impairment caused by HIBD. One of the underlying mechanisms is that DHA enhanced the anti-oxidant capacity of HIBD rats by up-regulating the total antioxidant capacity (T-AOC), gluathione reductase (GR) and catalase (CAT) while down regulating the pro-oxidative substances including hydrogen peroxide (H2O2), total nitric oxide synthase (T-NOS) and inducible nitric oxide synthase (iNOS). Thus, our study illustrated that DHA could alleviate the damage of brains and improve the cognitive and motor function of HIBD rats by inhibiting oxidative stress, provided an opportunity to interrogate potential therapeutics for affected HIE patients.
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Affiliation(s)
- Qian Xiong
- Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xiaohuan Li
- Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Lei Xia
- Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Zhengyu Yao
- Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xiuyu Shi
- Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.
| | - Zhifang Dong
- Pediatric Research Institute, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.
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12
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Ahmad I, Ali R, dos Santos Lopes MJ, Steinmetz CHD, Haq FU. Artemisia annua L. and Its Derivatives: Their Antiviral Effects on COVID-19 and Possible Mechanisms. JOURNAL OF EXPLORATORY RESEARCH IN PHARMACOLOGY 2022; 7:54-58. [DOI: 10.14218/jerp.2021.00034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Xiao Q, Liu Y, Jiang G, Liu Y, Huang Y, Liu W, Zhang Z. Heteroleptic Gold(I)-bisNHC complex with excellent activity in vitro, ex vivo and in vivo against endometrial cancer. Eur J Med Chem 2022; 236:114302. [DOI: 10.1016/j.ejmech.2022.114302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/08/2022] [Accepted: 03/15/2022] [Indexed: 01/02/2023]
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14
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Gao W, Guo L, Yang Y, Wang Y, Xia S, Gong H, Zhang BK, Yan M. Dissecting the Crosstalk Between Nrf2 and NF-κB Response Pathways in Drug-Induced Toxicity. Front Cell Dev Biol 2022; 9:809952. [PMID: 35186957 PMCID: PMC8847224 DOI: 10.3389/fcell.2021.809952] [Citation(s) in RCA: 73] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/29/2021] [Indexed: 12/12/2022] Open
Abstract
Nrf2 and NF-κB are important regulators of the response to oxidative stress and inflammation in the body. Previous pharmacological and genetic studies have confirmed crosstalk between the two. The deficiency of Nrf2 elevates the expression of NF-κB, leading to increased production of inflammatory factors, while NF-κB can affect the expression of downstream target genes by regulating the transcription and activity of Nrf2. At the same time, many therapeutic drug-induced organ toxicities, including hepatotoxicity, nephrotoxicity, cardiotoxicity, pulmonary toxicity, dermal toxicity, and neurotoxicity, have received increasing attention from researchers in clinical practice. Drug-induced organ injury can destroy body function, reduce the patients’ quality of life, and even threaten the lives of patients. Therefore, it is urgent to find protective drugs to ameliorate drug-induced injury. There is substantial evidence that protective medications can alleviate drug-induced organ toxicity by modulating both Nrf2 and NF-κB signaling pathways. Thus, it has become increasingly important to explore the crosstalk mechanism between Nrf2 and NF-κB in drug-induced toxicity. In this review, we summarize the potential molecular mechanisms of Nrf2 and NF-κB pathways and the important effects on adverse effects including toxic reactions and look forward to finding protective drugs that can target the crosstalk between the two.
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Affiliation(s)
- Wen Gao
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Lin Guo
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yan Yang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yu Wang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Shuang Xia
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Hui Gong
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Bi-Kui Zhang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Miao Yan
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Miao Yan,
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15
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Five novel triterpenoid saponins from Hovenia dulcis and their Nrf2 inhibitory activities. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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16
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Efferth T, Oesch F. The immunosuppressive activity of artemisinin-type drugs towards inflammatory and autoimmune diseases. Med Res Rev 2021; 41:3023-3061. [PMID: 34288018 DOI: 10.1002/med.21842] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 04/09/2021] [Accepted: 06/15/2021] [Indexed: 12/26/2022]
Abstract
The sesquiterpene lactone artemisinin from Artemisia annua L. is well established for malaria therapy, but its bioactivity spectrum is much broader. In this review, we give a comprehensive and timely overview of the literature regarding the immunosuppressive activity of artemisinin-type compounds toward inflammatory and autoimmune diseases. Numerous receptor-coupled signaling pathways are inhibited by artemisinins, including the receptors for interleukin-1 (IL-1), tumor necrosis factor-α (TNF-α), β3-integrin, or RANKL, toll-like receptors and growth factor receptors. Among the receptor-coupled signal transducers are extracellular signal-regulated protein kinase (ERK), c-Jun N-terminal kinase (JNK), phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K), AKT serine/threonine kinase (AKT), mitogen-activated protein kinase (MAPK)/extracellular signal regulated kinase (ERK) kinase (MEK), phospholipase C γ1 (PLCγ), and others. All these receptors and signal transduction molecules are known to contribute to the inhibition of the transcription factor nuclear factor κ B (NF-κB). Artemisinins may inhibit NF-κB by silencing these upstream pathways and/or by direct binding to NF-κB. Numerous NF-κB-regulated downstream genes are downregulated by artemisinin and its derivatives, for example, cytokines, chemokines, and immune receptors, which regulate immune cell differentiation, apoptosis genes, proliferation-regulating genes, signal transducers, and genes involved in antioxidant stress response. In addition to the prominent role of NF-κB, other transcription factors are also inhibited by artemisinins (mammalian target of rapamycin [mTOR], activating protein 1 [AP1]/FBJ murine osteosarcoma viral oncogene homologue [FOS]/JUN oncogenic transcription factor [JUN]), hypoxia-induced factor 1α (HIF-1α), nuclear factor of activated T cells c1 (NF-ATC1), Signal transducers and activators of transcription (STAT), NF E2-related factor-2 (NRF-2), retinoic-acid-receptor-related orphan nuclear receptor γ (ROR-γt), and forkhead box P-3 (FOXP-3). Many in vivo experiments in disease-relevant animal models demonstrate therapeutic efficacy of artemisinin-type drugs against rheumatic diseases (rheumatoid arthritis, osteoarthritis, lupus erythematosus, arthrosis, and gout), lung diseases (asthma, acute lung injury, and pulmonary fibrosis), neurological diseases (autoimmune encephalitis, Alzheimer's disease, and myasthenia gravis), skin diseases (dermatitis, rosacea, and psoriasis), inflammatory bowel disease, and other inflammatory and autoimmune diseases. Randomized clinical trials should be conducted in the future to translate the plethora of preclinical results into clinical practice.
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Affiliation(s)
- Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Franz Oesch
- Oesch-Tox Toxicological Consulting and Expert Opinions, Ingelheim, Germany and Institute of Toxicology, Johannes Gutenberg University of Mainz, Mainz, Germany
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17
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Chen F, Gao Q, Zhang L, Ding Y, Wang H, Cao W. Inhibiting HDAC3 (Histone Deacetylase 3) Aberration and the Resultant Nrf2 (Nuclear Factor Erythroid-Derived 2-Related Factor-2) Repression Mitigates Pulmonary Fibrosis. Hypertension 2021; 78:e15-e25. [PMID: 34148362 DOI: 10.1161/hypertensionaha.121.17471] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Fang Chen
- From the Center for Organ Fibrosis and Remodeling Research, Jiangsu Key Lab of Molecular Medicine, Nanjing University School of Medicine, China
| | - Qi Gao
- From the Center for Organ Fibrosis and Remodeling Research, Jiangsu Key Lab of Molecular Medicine, Nanjing University School of Medicine, China
| | - Lijun Zhang
- From the Center for Organ Fibrosis and Remodeling Research, Jiangsu Key Lab of Molecular Medicine, Nanjing University School of Medicine, China
| | - Yibing Ding
- From the Center for Organ Fibrosis and Remodeling Research, Jiangsu Key Lab of Molecular Medicine, Nanjing University School of Medicine, China
| | - Hongwei Wang
- From the Center for Organ Fibrosis and Remodeling Research, Jiangsu Key Lab of Molecular Medicine, Nanjing University School of Medicine, China
| | - Wangsen Cao
- From the Center for Organ Fibrosis and Remodeling Research, Jiangsu Key Lab of Molecular Medicine, Nanjing University School of Medicine, China
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18
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Majnooni MB, Fakhri S, Shokoohinia Y, Kiyani N, Stage K, Mohammadi P, Gravandi MM, Farzaei MH, Echeverría J. Phytochemicals: Potential Therapeutic Interventions Against Coronavirus-Associated Lung Injury. Front Pharmacol 2020; 11:588467. [PMID: 33658931 PMCID: PMC7919380 DOI: 10.3389/fphar.2020.588467] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/06/2020] [Indexed: 12/15/2022] Open
Abstract
Since the outbreak of coronavirus disease 2019 (COVID-19) in December 2019, millions of people have been infected and died worldwide. However, no drug has been approved for the treatment of this disease and its complications, which urges the need for finding novel therapeutic agents to combat. Among the complications due to COVID-19, lung injury has attained special attention. Besides, phytochemicals have shown prominent anti-inflammatory effects and thus possess significant effects in reducing lung injury caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Also, the prevailing evidence reveales the antiviral effects of those phytochemicals, including anti-SARS-CoV activity, which could pave the road in providing suitable lead compounds in the treatment of COVID-19. In the present study, candidate phytochemicals and related mechanisms of action have been shown in the treatment/protection of lung injuries induced by various methods. In terms of pharmacological mechanism, phytochemicals have shown potential inhibitory effects on inflammatory and oxidative pathways/mediators, involved in the pathogenesis of lung injury during COVID-19 infection. Also, a brief overview of phytochemicals with anti-SARS-CoV-2 compounds has been presented.
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Affiliation(s)
| | - Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Yalda Shokoohinia
- Pharmaceutical Sciences Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Ric Scalzo Botanical Research Institute, Southwest College of Naturopathic Medicine, Tempe, AZ, United States
| | - Narges Kiyani
- Ric Scalzo Botanical Research Institute, Southwest College of Naturopathic Medicine, Tempe, AZ, United States
| | - Katrina Stage
- Ric Scalzo Botanical Research Institute, Southwest College of Naturopathic Medicine, Tempe, AZ, United States
| | - Pantea Mohammadi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Javier Echeverría
- Departamento De Ciencias Del Ambiente, Facultad De Química y Biología, Universidad De Santiago De Chile, Santiago, Chile
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19
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Muralidharan P, Jones B, Allaway G, Biswal SS, Mansour HM. Design and development of innovative microparticulate/nanoparticulate inhalable dry powders of a novel synthetic trifluorinated chalcone derivative and Nrf2 agonist. Sci Rep 2020; 10:19771. [PMID: 33188247 PMCID: PMC7666129 DOI: 10.1038/s41598-020-76585-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 10/30/2020] [Indexed: 01/21/2023] Open
Abstract
Chalcone derivatives are shown to possess excellent anti-inflammatory and anti-oxidant properties which are of great interest in treating respiratory diseases such as acute lung injury (ALI), acute respiratory distress syndrome (ARDS), chronic obstructive pulmonary disease (COPD), and pulmonary fibrosis (PF). This study successfully designed and developed dry powder inhaler (DPI) formulations of TMC (2-trifluoromethyl-2'-methoxychalone), a new synthetic trifluorinated chalcone and Nrf2 agonist, for targeted pulmonary inhalation aerosol drug delivery. An advanced co-spray drying particle engineering technique was used to design and produce microparticulate/nanoparticulate formulations of TMC with a suitable excipient (mannitol) as inhalable particles with tailored particle properties for inhalation. Raw TMC and co-spray dried TMC formulations were comprehensively characterized for the first time using scanning electron microscopy (SEM) with energy dispersive X-ray (EDX) spectroscopy, thermal analysis, X-ray powder diffraction (XRPD), and molecular fingerprinting as dry powders by ATR-FTIR spectroscopy and Raman spectroscopy. Further, biocompatibility and suitability of formulations were tested with in vitro cellular transepithelial electrical resistance (TEER) in air-interface culture (AIC) using a human pulmonary airway cell line. The ability of these TMC formulations to perform as aerosolized dry powders was systematically evaluated by design of experiments (DOEs) using three different FDA-approved human inhaler devices followed by interaction parameter analyses. Multiple spray drying pump rates (25%, 75%, and 100%) successfully produced co-spray dried TMC:mannitol powders. Raw TMC exhibited a first-order phase transition temperature at 58.15 ± 0.38 °C. Furthermore, the results demonstrate that these innovative TMC dry powder particles are suitable for targeted delivery to the airways by inhalation.
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Affiliation(s)
- Priya Muralidharan
- Colleges of Pharmacy and Medicine, University of Arizona, 1703 E. Mabel St, Tucson, AZ, 85721, USA
| | | | | | - Shyam S Biswal
- Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
- Division of Pulmonary and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Heidi M Mansour
- Colleges of Pharmacy and Medicine, University of Arizona, 1703 E. Mabel St, Tucson, AZ, 85721, USA.
- Division of Translational and Regenerative Medicine, Department of Medicine, The University of Arizona College of Medicine, Tucson, AZ, USA.
- The BIO5 Research Institute, The University of Arizona, Tucson, AZ, USA.
- Institute of the Environment, The University of Arizona, Tucson, AZ, USA.
- National Cancer Institute Comprehensive Cancer Center, The University of Arizona, Tucson, AZ, USA.
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20
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The NRF2-LOC344887 signaling axis suppresses pulmonary fibrosis. Redox Biol 2020; 38:101766. [PMID: 33126057 PMCID: PMC7573654 DOI: 10.1016/j.redox.2020.101766] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/12/2020] [Accepted: 10/15/2020] [Indexed: 02/07/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive and irreversible disease characterized by an increase in differentiation of fibroblasts to myofibroblasts and excessive accumulation of extracellular matrix in lung tissue. Pharmacological activation of NRF2 has proved to be a valuable antifibrotic approach, however the detailed mechanisms of how NRF2 mediates antifibrotic function remain unclear. In this study, we found that the antifibrotic function of sulforaphane (SFN), an NRF2 activator, was largely dependent on LOC344887, a long noncoding RNA. Two functional AREs were identified in both the promoter and intron 1 of LOC344887, which defines LOC344887 as a novel anti-fibrotic NRF2 target gene. RNA-seq analysis revealed that LOC344887 controls genes and signaling pathways associated with fibrogenesis. Deletion or downregulation of LOC344887 enhanced expression of CDH2/N-cadherin, as well as a number of other fibrotic genes and blunted the antifibrotic effects of SFN. Furthermore, LOC344887-mediated downregulation of fibrotic genes may involve the PI3K-AKT signaling pathway, as pharmacologic inhibition of PI3K activity blocked the effects of LOC344887 knockdown. Our findings demonstrate that NRF2-mediated LOC344887 upregulation contributes to the antifibrotic potential of SFN by repressing the expression of CDH2 and other fibrotic genes, providing novel insight into how NRF2 controls the regulatory networks of IPF. This study provides a better understanding of the molecular mechanisms of NRF2 activators against pulmonary fibrosis and presents a novel therapeutic axis for prevention and intervention of fibrosis-related diseases.
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21
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Wang Z, Liu Y, Liu X, Zhou L, Ma X, Liu J, Wang L, Guo H. Activation of forkhead box O3a by mono(2-ethylhexyl)phthalate and its role in protection against mono(2-ethylhexyl)phthalate-induced oxidative stress and apoptosis in human cardiomyocytes. J Appl Toxicol 2020; 41:618-631. [PMID: 33029813 DOI: 10.1002/jat.4070] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 02/06/2023]
Abstract
Mono(2-ethylhexyl)phthalate (MEHP), the active metabolite of di(2-ethylhexyl)phthalate (DEHP), is known to exert cardiotoxicity. The aim of the present study was to investigate the role of forkhead box O3a (FOXO3a) in MEHP-induced human AC16 cardiomyocyte injuries. MEHP reduced cell viability and mitochondrial membrane potential (ΔΨm), whereas it increased lactate dehydrogenase (LDH) leakage, production of reactive oxygen species (ROS), and apoptosis in cardiomyocytes. The expression of FOXO3a and its target genes, mitochondrial superoxide dismutase (Mn-SOD) and apoptosis repressor with caspase recruitment domain (ARC), increased after MEHP exposure, but the expression of p-FOXO3a protein was decreased. Overexpression of FOXO3a decreased the production of ROS and the apoptosis rate induced by MEHP, and the expression of Mn-SOD and ARC was further increased after MEHP exposure. In contrast, knockdown of FOXO3a resulted in increased ROS production and apoptosis and suppressed the expression of Mn-SOD and ARC in the presence of MEHP. However, overexpression or knockdown of FOXO3a did not affect MEHP-induced loss of ΔΨm. In conclusion, the loss of ΔΨm and apoptosis are involved in MEHP-induced cardiomyocyte toxicity. Activation of FOXO3a defends against MEHP-induced oxidative stress and apoptosis by upregulating the expression of Mn-SOD and ARC in AC16 cardiomyocytes.
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Affiliation(s)
- Zeze Wang
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China.,Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University, Chongqing, China
| | - Yi Liu
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Xuehui Liu
- Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Lixiao Zhou
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Xindi Ma
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Junyao Liu
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Lei Wang
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Huicai Guo
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China.,Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
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22
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Cheong DHJ, Tan DWS, Wong FWS, Tran T. Anti-malarial drug, artemisinin and its derivatives for the treatment of respiratory diseases. Pharmacol Res 2020; 158:104901. [PMID: 32405226 PMCID: PMC7217791 DOI: 10.1016/j.phrs.2020.104901] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/05/2020] [Accepted: 05/06/2020] [Indexed: 02/06/2023]
Abstract
Artemisinins are sesquiterpene lactones with a peroxide moiety that are isolated from the herb Artemisia annua. It has been used for centuries for the treatment of fever and chills, and has been recently approved for the treatment of malaria due to its endoperoxidase properties. Progressively, research has found that artemisinins displayed multiple pharmacological actions against inflammation, viral infections, and cell and tumour proliferation, making it effective against diseases. Moreover, it has displayed a relatively safe toxicity profile. The use of artemisinins against different respiratory diseases has been investigated in lung cancer models and inflammatory-driven respiratory disorders. These studies revealed the ability of artemisinins in attenuating proliferation, inflammation, invasion, and metastasis, and in inducing apoptosis. Artemisinins can regulate the expression of pro-inflammatory cytokines, nuclear factor-kappa B (NF-κB), matrix metalloproteinases (MMPs), vascular endothelial growth factor (VEGF), promote cell cycle arrest, drive reactive oxygen species (ROS) production and induce Bak or Bax-dependent or independent apoptosis. In this review, we aim to provide a comprehensive update of the current knowledge of the effects of artemisinins in relation to respiratory diseases to identify gaps that need to be filled in the course of repurposing artemisinins for the treatment of respiratory diseases. In addition, we postulate whether artemisinins can also be repurposed for the treatment of COVID-19 given its anti-viral and anti-inflammatory properties.
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Affiliation(s)
- Dorothy H J Cheong
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 117593, Singapore
| | - Daniel W S Tan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore
| | - Fred W S Wong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore; Immunology Program, Life Science Institute, National University of Singapore, 117456, Singapore; Singapore-HUJ Alliance for Research and Enterprise, National University of Singapore, 138602, Singapore
| | - Thai Tran
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, 117593, Singapore.
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23
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Zhang C, Fortin PY, Barnoin G, Qin X, Wang X, Fernandez Alvarez A, Bijani C, Maddelein ML, Hemmert C, Cuvillier O, Gornitzka H. An Artemisinin-Derivative-(NHC)Gold(I) Hybrid with Enhanced Cytotoxicity through Inhibition of NRF2 Transcriptional Activity. Angew Chem Int Ed Engl 2020; 59:12062-12068. [PMID: 32304346 DOI: 10.1002/anie.202002992] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/14/2020] [Indexed: 01/19/2023]
Abstract
A family of hybrid complexes combining two biologically active motifs, an artemisinin derivative and a cationic bis(NHC)-gold(I) unit, has been synthesized. One of these complexes, 2 a, has been analyzed by single-crystal X-ray diffraction. 2 a shows strong anticancer activities on a large panel of human cancer cell models (prostate, breast, lung, liver, bladder, bone, acute and chronic myeloid leukemias) with GI50 values in the nm range, together with a high selectivity. An original and distinctive mechanism of action, that is, through inhibition of the redox antioxidant NRF2 transcription factor (strongly associated with aggressiveness and resistance to cancer therapies) has been evidenced. 2 a could remarkably sensitize to sorafenib in HepG2 liver cells, in which dysregulated NRF2 signaling is linked to primary and acquired drug resistance. 2 a also inhibited NF-κB and HIF transcriptional activities, which are also associated with progression and resistance in cancer. Our findings provide evidence that hybrid (NHC)gold(I) compounds represent a new class of organometallic hybrid molecules that may yield new therapeutic agents.
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Affiliation(s)
- Chen Zhang
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France.,Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, Toulouse, France.,Present address: Shanghai Key Laboratory of New Drug Design, State Key Laboratory of Bioreactor Engineering, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Pierre-Yves Fortin
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, Toulouse, France
| | | | - Xue Qin
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Xing Wang
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | | | | | - Marie-Lise Maddelein
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, Toulouse, France
| | | | - Olivier Cuvillier
- Institut de Pharmacologie et de Biologie Structurale, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Heinz Gornitzka
- LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
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24
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Zhang C, Fortin P, Barnoin G, Qin X, Wang X, Fernandez Alvarez A, Bijani C, Maddelein M, Hemmert C, Cuvillier O, Gornitzka H. An Artemisinin‐Derivative–(NHC)Gold(I) Hybrid with Enhanced Cytotoxicity through Inhibition of NRF2 Transcriptional Activity. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002992] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Chen Zhang
- LCC-CNRS Université de Toulouse CNRS, UPS Toulouse France
- Institut de Pharmacologie et de Biologie Structurale Université de Toulouse CNRS, UPS Toulouse France
- Present address: Shanghai Key Laboratory of New Drug Design State Key Laboratory of Bioreactor Engineering School of Pharmacy East China University of Science and Technology Shanghai 200237 China
| | - Pierre‐Yves Fortin
- Institut de Pharmacologie et de Biologie Structurale Université de Toulouse CNRS, UPS Toulouse France
| | | | - Xue Qin
- LCC-CNRS Université de Toulouse CNRS, UPS Toulouse France
| | - Xing Wang
- LCC-CNRS Université de Toulouse CNRS, UPS Toulouse France
| | | | | | - Marie‐Lise Maddelein
- Institut de Pharmacologie et de Biologie Structurale Université de Toulouse CNRS, UPS Toulouse France
| | | | - Olivier Cuvillier
- Institut de Pharmacologie et de Biologie Structurale Université de Toulouse CNRS, UPS Toulouse France
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Modulation of Oxidative Stress by Ozone Therapy in the Prevention and Treatment of Chemotherapy-Induced Toxicity: Review and Prospects. Antioxidants (Basel) 2019; 8:antiox8120588. [PMID: 31779159 PMCID: PMC6943601 DOI: 10.3390/antiox8120588] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/22/2019] [Accepted: 11/23/2019] [Indexed: 12/15/2022] Open
Abstract
(1) Background: Cancer is one of the leading causes of mortality worldwide. Radiotherapy and chemotherapy attempt to kill tumor cells by different mechanisms mediated by an intracellular increase of free radicals. However, free radicals can also increase in healthy cells and lead to oxidative stress, resulting in further damage to healthy tissues. Approaches to prevent or treat many of these side effects are limited. Ozone therapy can induce a controlled oxidative stress able to stimulate an adaptive antioxidant response in healthy tissue. This review describes the studies using ozone therapy to prevent and/or treat chemotherapy-induced toxicity, and how its effect is linked to a modification of free radicals and antioxidants. (2) Methods: This review encompasses a total of 13 peer-reviewed original articles (most of them with assessment of oxidative stress parameters) and some related works. It is mainly focused on four drugs: Cisplatin, Methotrexate, Doxorubicin, and Bleomycin. (3) Results: In experimental models and the few existing clinical studies, modulation of free radicals and antioxidants by ozone therapy was associated with decreased chemotherapy-induced toxicity. (4) Conclusions: The potential role of ozone therapy in the management of chemotherapy-induced toxicity merits further research. Randomized controlled trials are ongoing.
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Li Q, Xing S, Chen Y, Liao Q, Li Q, Liu Y, He S, Feng F, Chen Y, Zhang J, Liu W, Guo Q, Sun Y, Sun H. Reasonably activating Nrf2: A long-term, effective and controllable strategy for neurodegenerative diseases. Eur J Med Chem 2019; 185:111862. [PMID: 31735576 DOI: 10.1016/j.ejmech.2019.111862] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 11/06/2019] [Accepted: 11/06/2019] [Indexed: 02/06/2023]
Abstract
Neurodegenerative diseases are a variety of debilitating and fatal disorder in central nervous system (CNS). Besides targeting neuronal activity by influencing neurotransmitters or their corresponding receptors, modulating the underlying processes that lead to cell death, such as oxidative stress and mitochondrial dysfunction, should also be emphasized as an assistant strategy for neurodegeneration therapy. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) has been closely verified to be related to anti-inflammation and oxidative stress, rationally regulating its belonging pathway and activating Nrf2 is emphasized to be a potential treatment approach. There have existed multiple Nrf2 activators with different mechanisms and diverse structures, but those applied for neuro-disorders are still limited. On the basis of research arrangement and compound summary, we put forward the limitations of existing Nrf2 activators for neurodegenerative diseases and their future developing directions in enhancing the blood-brain barrier permeability to make Nrf2 activators function in CNS and designing Nrf2-based multi-target-directed ligands to affect multiple nodes in pathology of neurodegenerative diseases.
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Affiliation(s)
- Qi Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Shuaishuai Xing
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Ying Chen
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Qinghong Liao
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Qihang Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Yang Liu
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Siyu He
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Feng Feng
- Jiangsu Food and Pharmaceutical Science College, No.4 Meicheng Road, Huai'an, 223003, PR China
| | - Yao Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China
| | - Jie Zhang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing, 211198, PR China
| | - Wenyuan Liu
- Department of Analytical Chemistry, School of Pharmacy, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Qinglong Guo
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, PR China
| | - Yuan Sun
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, 95817, USA
| | - Haopeng Sun
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, PR China; Jiangsu Food and Pharmaceutical Science College, No.4 Meicheng Road, Huai'an, 223003, PR China.
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Liu S, Xu S, Wei R, Cui Z, Wu X, Wei R, Xie L, Zhou Y, Li W, Chen W. Keap1 Cystenine 151 as a Potential Target for Artemisitene-Induced Nrf2 Activation. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5198138. [PMID: 31737667 PMCID: PMC6815614 DOI: 10.1155/2019/5198138] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/05/2019] [Accepted: 09/05/2019] [Indexed: 01/15/2023]
Abstract
Artemisitene (ATT) activates the nuclear factor (erythroid-derived 2)-like 2 (Nrf2) by increasing its stabilization and reducing ubiquitination. The cysteine (Cys) residues of the cytosolic Nrf2 repressor Kelch-like ECH-associated protein-1 (Keap1) function as redox sensors and may be crucial in activating Nrf2. To determine whether ATT-induced Nrf2 activation is dependent on the modification of Keap1 and to elucidate the underlying mechanism, we transfected cell lines with six different Keap1 mutant constructs, each with a Cys (-77, -151, -257, -273, -288, and -297) to Ser substitution. Only the Cys151Ser mutant prevented ATT-mediated activation of Nrf2, indicating that the Cys151 residue of Keap1 likely interacts with ATT and is essential for Nrf2 stabilization and transcription of downstream genes. Our finding provides a pharmacological basis for using artemisitene against oxidative stress-related diseases.
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Affiliation(s)
- Shanshan Liu
- Second Clinical Medical College, Guangzhou University of Chinese Medicine, 232 Waihuan Road East, Guangzhou, Guangdong 510006, China
| | - Shengmei Xu
- Center for Regenerative and Translational Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China
| | - Renrong Wei
- Second Clinical Medical College, Guangzhou University of Chinese Medicine, 232 Waihuan Road East, Guangzhou, Guangdong 510006, China
- Sino-French Hoffmann Institute, School of Basic Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Zhizhong Cui
- Second Clinical Medical College, Guangzhou University of Chinese Medicine, 232 Waihuan Road East, Guangzhou, Guangdong 510006, China
| | - Xiaoyun Wu
- Department of Pharmacy, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China
| | - Renxiong Wei
- Second Clinical Medical College, Guangzhou University of Chinese Medicine, 232 Waihuan Road East, Guangzhou, Guangdong 510006, China
| | - Li Xie
- Second Clinical Medical College, Guangzhou University of Chinese Medicine, 232 Waihuan Road East, Guangzhou, Guangdong 510006, China
| | - Yingye Zhou
- Second Clinical Medical College, Guangzhou University of Chinese Medicine, 232 Waihuan Road East, Guangzhou, Guangdong 510006, China
| | - Wenjuan Li
- Shunde Hospital, Southern Medical University, The First People's Hospital of Shunde Foshan, Foshan, Guangdong 528000, China
| | - Weimin Chen
- Hainan Medical University, Haikou, Hainan 571199, China
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28
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Liu Y, Jing SX, Luo SH, Li SH. Non-volatile natural products in plant glandular trichomes: chemistry, biological activities and biosynthesis. Nat Prod Rep 2019; 36:626-665. [PMID: 30468448 DOI: 10.1039/c8np00077h] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The investigation methods, chemistry, bioactivities, and biosynthesis of non-volatile natural products involving 489 compounds in plant glandular trichomes are reviewed.
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Affiliation(s)
- Yan Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- P. R. China
| | - Shu-Xi Jing
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- P. R. China
| | - Shi-Hong Luo
- College of Bioscience and Biotechnology
- Shenyang Agricultural University
- Shenyang
- P. R. China
| | - Sheng-Hong Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650201
- P. R. China
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29
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Yang YQ, Yan XT, Wang K, Tian RM, Lu ZY, Wu LL, Xu HT, Wu YS, Liu XS, Mao W, Xu P, Liu B. Triptriolide Alleviates Lipopolysaccharide-Induced Liver Injury by Nrf2 and NF-κB Signaling Pathways. Front Pharmacol 2018; 9:999. [PMID: 30210350 PMCID: PMC6124152 DOI: 10.3389/fphar.2018.00999] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 08/14/2018] [Indexed: 12/11/2022] Open
Abstract
Nrf2 (Nuclear Factor Erythroid 2 Related Factor 2) transcription factor not only regulates oxidative stress response, but also represses inflammation by regulating cytokines production and cross-talking with NF-κB signaling pathways. Nrf2 plays an essential role in liver injury induced by oxidative stress and inflammation. Triptriolide (T11) is a minor component of Tripterygium wilfordii Hook F. (TwHF), which can be obtained by hydrolysis reaction of triptolide (T9). The major purpose of this study is to clarify the regulating effects of T11 on oxidative stress and inflammation in vivo and in vitro. LPS-stimulated RAW 264.7 cells were used to verify the regulating effects of T11 on oxidative stress (ROS and Nrf2 signaling pathway) and inflammatory cytokines production (TNF-α, IL-6 and IL-1β). The antioxidant responsive element (ARE) luciferase assay was employed to evaluate Nrf2 activation effect of T11 in HEK-293T cells. Lipopolysaccharides (LPS) induced acute liver injury (ALI) in BALB/c mice were used to study the protective effects (ALT, AST, MDA, SOD, histopathology and neutrophils/macrophages filtration) and the underlying protection mechanisms of ALI amelioration (Nrf2 and NF-κB signaling pathway) of T11. Firstly, the results showed that T11 can not only effectively decrease the productions of inflammatory cytokines (TNF-α, IL-6 and IL-1β), ROS and NO in LPS-stimulated RAW 264.7 cells, but also further significantly increase the activity of Nrf2 in HEK-293T cells. Secondly, the results suggested that T11 could dramatically decrease the oxidative stress responses (SOD and MDA) and inflammation (histopathology, neutrophils/macrophages filtration, TNF-α, IL-6 and IL-1β production) in LPS-induced ALI in BALB/c mice. Finally, the results implied that T11 could dramatically increase Nrf2 protein expression and decrease p-TAK1, p-IκBα and NF-κB protein expression both in vivo and in vitro. In conclusion, our findings indicated that T11 could alleviate LPS induced oxidative stress and inflammation by regulating Nrf2 and NF-κB signaling pathways in vitro and in vivo, which offers a novel insights for the application of TwHF in clinical.
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Affiliation(s)
- Yi-Qi Yang
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Teng Yan
- Affiliated Huai'an Hospital, Xuzhou Medical University, Huai'an, China
| | - Kai Wang
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Rui-Min Tian
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Zhao-Yu Lu
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Li-Lan Wu
- Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Hong-Tao Xu
- Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, China
| | - Yun-Shan Wu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Xu-Sheng Liu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Wei Mao
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Peng Xu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Bo Liu
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
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30
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Artemisitene suppresses tumorigenesis by inducing DNA damage through deregulating c-Myc-topoisomerase pathway. Oncogene 2018; 37:5079-5087. [DOI: 10.1038/s41388-018-0331-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 04/03/2018] [Accepted: 04/18/2018] [Indexed: 02/06/2023]
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31
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Chen H, Liu RH. Potential Mechanisms of Action of Dietary Phytochemicals for Cancer Prevention by Targeting Cellular Signaling Transduction Pathways. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:3260-3276. [PMID: 29498272 DOI: 10.1021/acs.jafc.7b04975] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cancer is a severe health problem that significantly undermines life span and quality. Dietary approach helps provide preventive, nontoxic, and economical strategies against cancer. Increased intake of fruits, vegetables, and whole grains are linked to reduced risk of cancer and other chronic diseases. The anticancer activities of plant-based foods are related to the actions of phytochemicals. One potential mechanism of action of anticancer phytochemicals is that they regulate cellular signal transduction pathways and hence affects cancer cell behaviors such as proliferation, apoptosis, and invasion. Recent publications have reported phytochemicals to have anticancer activities through targeting a wide variety of cell signaling pathways at different levels, such as transcriptional or post-transcriptional regulation, protein activation and intercellular messaging. In this review, we discuss major groups of phytochemicals and their regulation on cell signaling transduction against carcinogenesis via key participators, such as Nrf2, CYP450, MAPK, Akt, JAK/STAT, Wnt/β-catenin, p53, NF-κB, and cancer-related miRNAs.
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Affiliation(s)
- Hongyu Chen
- Department of Food Science , Cornell University , Ithaca , New York 14853-7201 , United States
- Institute of Edible Fungi , Shanghai Academy of Agriculture Science , Shanghai 201403 , China
| | - Rui Hai Liu
- Department of Food Science , Cornell University , Ithaca , New York 14853-7201 , United States
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32
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Abstract
The NFE2L2 gene encodes the transcription factor Nrf2 best known for regulating the expression of antioxidant and detoxification genes. Gene knockout approaches have demonstrated its universal cytoprotective features. While Nrf2 has been the topic of intensive research in cancer biology since its discovery in 1994, understanding the role of Nrf2 in cardiovascular disease has just begun. The literature concerning Nrf2 in experimental models of atherosclerosis, ischemia, reperfusion, cardiac hypertrophy, heart failure, and diabetes supports its cardiac protective character. In addition to antioxidant and detoxification genes, Nrf2 has been found to regulate genes participating in cell signaling, transcription, anabolic metabolism, autophagy, cell proliferation, extracellular matrix remodeling, and organ development, suggesting that Nrf2 governs damage resistance as well as wound repair and tissue remodeling. A long list of small molecules, most derived from natural products, have been characterized as Nrf2 inducers. These compounds disrupt Keap1-mediated Nrf2 ubquitination, thereby prohibiting proteasomal degradation and allowing Nrf2 protein to accumulate and translocate to the nucleus, where Nrf2 interacts with sMaf to bind to ARE in the promoter of genes. Recently alternative mechanisms driving Nrf2 protein increase have been revealed, including removal of Keap1 by autophagy due to p62/SQSTM1 binding, inhibition of βTrCP or Synoviolin/Hrd1-mediated ubiquitination of Nrf2, and de novo Nrf2 protein translation. We review here a large volume of literature reporting historical and recent discoveries about the function and regulation of Nrf2 gene. Multiple lines of evidence presented here support the potential of dialing up the Nrf2 pathway for cardiac protection in the clinic.
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Affiliation(s)
- Qin M Chen
- Department of Pharmacology, College of Medicine, University of Arizona , Tucson, Arizona
| | - Anthony J Maltagliati
- Department of Pharmacology, College of Medicine, University of Arizona , Tucson, Arizona
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Affiliation(s)
- Shengmei Xu
- Center for Regenerative and Translational Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, the Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510632, China
| | - Weimin Chen
- Center for Regenerative and Translational Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, the Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510632, China
| | - Qingfeng Xie
- Center for Regenerative and Translational Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, the Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510632, China
| | - Yang Xu
- Center for Regenerative and Translational Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, the Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510632, China. .,Division of Biological Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA.
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Wu LL, Wu YS, Chen WY, Zhou W, Tang L, Li B, Liu B. Determination of artemisitene in rat plasma by ultra-performance liquid chromatography/tandem mass spectrometry and its application in pharmacokinetics. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2017; 31:1121-1128. [PMID: 28403574 DOI: 10.1002/rcm.7881] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 04/06/2017] [Accepted: 04/09/2017] [Indexed: 06/07/2023]
Abstract
RATIONALE Artemisitene shows a wide variety of pharmacological activities, such as antioxidant protection in vitro and in vivo. It has been identified as a novel Nrf2 inducer. However, there is no report on an ultra-performance liquid chromatography/tandem mass spectrometry (UPLC/MS/MS) method to quantitate artemisitene in rat plasma and its application to a pharmacokinetic profile study. METHODS An ACQUITY UPLC™ BEH Symmetry Shield RP18 column (1.7 μm, 2.1 mm × 100 mm) was used at a flow rate of 0.3 mL·min-1 . Mass detection was performed by electrospray ionization tandem mass spectrometry via multiple reaction monitoring (MRM) in positive mode. Plasma samples were pre-treated by a single-step extraction with 0.1% formic acid aqueous solutions-acetonitrile, and tolbutamide was used as internal standard. RESULTS The calibration curve was from 0.98 to 1000 ng∙mL-1 (r2 = 0.995). The extraction recoveries were 61.5-79.4% and 81.7-94.6% for artemisitene and tolbutamide, respectively. The lower limit of quantification (LLOQ) was 0.98 ng∙mL-1 . The absolute bioavailability of artemisitene was 3.7% after intravenous and oral administration in rats. CONCLUSIONS The UPLC/MS/MS assay was validated for linearity, accuracy, stability, extraction recovery, matrix effects, and intra-day and inter-day precision. The method, for the first time, achieved some pharmacokinetic parameters and was successfully applied to a pharmacokinetic study Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Li-Lan Wu
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
| | - Yun-Shan Wu
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
| | - Wei-Ying Chen
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
| | - Wen Zhou
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
| | - Lipeng Tang
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
| | - Ben Li
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
| | - Bo Liu
- The Second Clinical College, Guangzhou University of Chinese Medicine, and Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, P.R. China
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35
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Nrf2 Regulates the Risk of a Diesel Exhaust Inhalation-Induced Immune Response during Bleomycin Lung Injury and Fibrosis in Mice. Int J Mol Sci 2017; 18:ijms18030649. [PMID: 28304344 PMCID: PMC5372661 DOI: 10.3390/ijms18030649] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 03/03/2017] [Accepted: 03/09/2017] [Indexed: 01/09/2023] Open
Abstract
The present study investigated the effects of diesel exhaust (DE) on an experimental model of bleomycin (BLM)-induced lung injury and fibrosis in mice. BLM was intravenously administered to both Nrf2+/+ and Nrf2−/− C57BL/6J mice on day 0. The mice were exposed to DE for 56 days from 28 days before the BLM injection to 28 days after the BLM injection. Inhalation of DE induced significant inhibition of airway clearance function and the proinflammatory cytokine secretion in macrophages, an increase in neutrophils, and severe lung inflammatory injury, which were greater in Nrf2−/− mice than in Nrf2+/+ mice. In contrast, inhalation of DE was observed to induce a greater increase of hydroxyproline content in the lung tissues and significantly higher pulmonary antioxidant enzyme mRNA expression in the Nrf2+/+ mice than in Nrf2−/− mice. DE is an important risk factor, and Nrf2 regulates the risk of a DE inhalation induced immune response during BLM lung injury and fibrosis in mice.
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