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Xiong L, Liu Y, Wang Y, Zhao H, Song X, Fan W, Zhang L, Zhang Y. The protective effect of Lonicera japonica Thunb. against lipopolysaccharide-induced acute lung injury in mice: Modulation of inflammation, oxidative stress, and ferroptosis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 331:118333. [PMID: 38750986 DOI: 10.1016/j.jep.2024.118333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/21/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Various components of Lonicera japonica Thunb. (LJT) exhibit pharmacological activities, including anti-inflammatory and antioxidant effects. Nevertheless, the relationship between LJT and ferroptosis remains largely unexplored. AIM OF THE STUDY The purpose of this research was to look into the role of LJT in regulating LPS-induced ferroptosis in ALI and to compare the effects of different parts of LJT. MATERIALS AND METHODS We established a mice ALI model by treating with LPS. Administered mice with different doses of Lonicerae Japonicae Flos (LJF), Lonicera Japonica Leaves (LJL) and Lonicerae Caulis (LRC) extracts, respectively. The levels of IL-6, IL-1β, TNF-α, IL-4, IL-10, and PGE2 in bronchoalveolar lavage fluid (BALF) were measured using enzyme-linked immunosorbent assay. Furthermore, the concentrations of superoxide dismutase (SOD), malondialdehyde (MDA), glutathione (GSH), reactive oxygen species (ROS), and total ferrous ions (Fe2+) in lung tissues were evaluated. Hematoxylin and eosin staining was conducted to examine the morphological structure of lung tissues. Transmission electron microscopy was used to investigate the ultrastructural morphology of mitochondria. Furthermore, the effects of LJT were evaluated via immunohistochemical staining, western blotting, and quantitative real-time polymerase chain reaction analyses. Finally, employing molecular docking and molecular dynamics research techniques, we aimed to identify crucial components in LJT that might inhibit ferroptosis by targeting nuclear factor erythroid 2-related factor 2 (Nrf2) and glutathione peroxidase 4 (GPX4). RESULTS We observed that pretreatment with LJT significantly mitigated LPS-induced lung injury and suppressed ferroptosis. This was supported by reduced accumulation of pro-inflammatory cytokines, ROS, MDA, and Fe2+, along with increased levels of anti-inflammatory cytokines, SOD, GSH, Nrf2, and GPX4 in the lung tissues of ALI mice. Luteolin-7-O-rutinoside, apigenin-7-O-rutinoside, and amentoflavone in LJT exhibit excellent docking effects with key targets of ferroptosis, Nrf2 and GPX4. CONCLUSIONS Pretreatment with LJT may alleviate LPS-induced ALI, possibly by suppressing ferroptosis. Our initial results indicate that LJT activates the Nrf2/GPX4 axis, providing protection against ferroptosis in ALI. This finding offers a promising therapeutic candidate for ALI treatment.
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Affiliation(s)
- Lewen Xiong
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Yan Liu
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Yang Wang
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Hongwei Zhao
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Xiaochen Song
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Wenjing Fan
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Longfei Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
| | - Yongqing Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, 250355, China.
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Guan F, Du H, Li J, Ren H, Dong A. Quercetin Alleviates LPS-Stimulated Myocardial Injury through Regulating ALOX5/PI3K/AKT Pathway in Sepsis. Cardiovasc Toxicol 2024:10.1007/s12012-024-09901-1. [PMID: 39068603 DOI: 10.1007/s12012-024-09901-1] [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: 03/05/2024] [Accepted: 07/18/2024] [Indexed: 07/30/2024]
Abstract
Quercetin (QUE) has been found to inhibit the progression of sepsis-related diseases, including sepsis-induced cardiomyopathy (SIC). More information about the role and mechanism of QUE in SIC progression deserves further exploration. Human cardiomyocytes (AC16) were induced with LPS to mimic SIC cell models. Cell proliferation and apoptosis were determined using CCK8 assay, EdU assay, and flow cytometry. Cell inflammation and ferroptosis were evaluated by detecting IL-1β, TNF-α, Fe2+, ROS, GSH, and GPX4 levels. 5-lipoxygenase (ALOX5) expression was examined by quantitative real-time PCR and western blot. LPS treatment reduced AC16 cell proliferation, while enhanced apoptosis, inflammation, and ferroptosis. QUE repressed LPS-induced AC16 cell apoptosis, inflammation, and ferroptosis. ALOX5 was upregulated in SIC patients, and its expression was reduced by QUE. ALOX5 knockdown restrained LPS-induced apoptosis, inflammation, and ferroptosis in AC16 cells. The inhibitory effect of QUE on LPS-induced myocardial injury could be reversed by ALOX5 overexpression. QUE promoted the activity of PI3K/AKT pathway by reducing ALOX5 expression. QUE could alleviate LPS-induced myocardial injury by regulating ALOX5/PI3K/AKT pathway, suggesting that QUE might be used for treating SIC.
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Affiliation(s)
- Fang Guan
- Department of Cardiology, Xi'an Hospital of Traditional Chinese Medicine, Xi'an, 710021, Shanxi, China
| | - Hongsen Du
- Department of Cardiology, Xi'an Hospital of Traditional Chinese Medicine, Xi'an, 710021, Shanxi, China
| | - Jike Li
- Department of Cardiology, Xi'an Hospital of Traditional Chinese Medicine, Xi'an, 710021, Shanxi, China
| | - He Ren
- Department of Cardiology, Tangdou Hospital of Air Force Medical University of PLA, Xi'an, 710032, Shaanxi, China
| | - Aiqiao Dong
- Department of Cardiology, Xi'an Qinhuang Hospital, Middle Section of Qinhan Avenue, Xiquan Street, Lintong District, Xi'an, 710600, Shaanxi, China.
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Zhang C, Singla RK, Tang M, Shen B. Natural products act as game-changer potentially in treatment and management of sepsis-mediated inflammation: A clinical perspective. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155710. [PMID: 38759311 DOI: 10.1016/j.phymed.2024.155710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 04/19/2024] [Accepted: 05/02/2024] [Indexed: 05/19/2024]
Abstract
BACKGROUND Sepsis, a life-threatening condition resulting from uncontrolled host responses to infection, poses a global health challenge with limited therapeutic options. Due to high heterogeneity, sepsis lacks specific therapeutic drugs. Additionally, there remains a significant gap in the clinical management of sepsis regarding personalized and precise medicine. PURPOSE This review critically examines the scientific landscape surrounding natural products in sepsis and sepsis-mediated inflammation, highlighting their clinical potential. METHODS Following the PRISMA guidelines, we retrieved articles from PubMed to explore potential natural products with therapeutic effects in sepsis-mediated inflammation. RESULTS 434 relevant in vitro and in vivo studies were identified and screened. Ultimately, 55 studies were obtained as the supporting resources for the present review. We divided the 55 natural products into three categories: those influencing the synthesis of inflammatory factors, those affecting surface receptors and modulatory factors, and those influencing signaling pathways and the inflammatory cascade. CONCLUSION Natural products' potential as game-changers in sepsis-mediated inflammation management lies in their ability to modulate hallmarks in sepsis, including inflammation, immunity, and coagulopathy, which provides new therapeutic avenues that are readily accessible and capable of undergoing rapid clinical validation and deployment, offering a gift from nature to humanity. Innovative techniques like bioinformatics, metabolomics, and systems biology offer promising solutions to overcome these obstacles and facilitate the development of natural product-based therapeutics, holding promise for personalized and precise sepsis management and improving patient outcomes. However, standardization, bioavailability, and safety challenges arise during experimental validation and clinical trials of natural products.
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Affiliation(s)
- Chi Zhang
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610212, PR China
| | - Rajeev K Singla
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610212, PR China; School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab-144411, India
| | - Min Tang
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610212, PR China; West China School of Nursing, Sichuan University, Chengdu, PR China
| | - Bairong Shen
- Joint Laboratory of Artificial Intelligence for Critical Care Medicine, Department of Critical Care Medicine and Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, 610212, PR China.
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Liu J, Wen B, Huang Y, Deng G, Yan Q, Jia L. Exploring the effect of Clostridium butyricum on lung injury associated with acute pancreatitis in mice by combined 16S rRNA and metabolomics analysis. Anaerobe 2024; 87:102854. [PMID: 38614288 DOI: 10.1016/j.anaerobe.2024.102854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
OBJECTIVES Acute lung injury is a critical complication of severe acute pancreatitis (SAP). The gut microbiota and its metabolites play an important role in SAP development and may provide new targets for AP-associated lung injury. Based on the ability to reverse AP injury, we proposed that Clostridium butyricum may reduce the potential for AP-associated lung injury by modulating with intestinal microbiota and related metabolic pathways. METHODS An AP disease model was established in mice and treated with C. butyricum. The structure and composition of the intestinal microbiota in mouse feces were analyzed by 16 S rRNA gene sequencing. Non-targeted metabolite analysis was used to quantify the microbiota derivatives. The histopathology of mouse pancreas and lung tissues was examined using hematoxylin-eosin staining. Pancreatic and lung tissues from mice were stained with immunohistochemistry and protein immunoblotting to detect inflammatory factors IL-6, IL-1β, and MCP-1. RESULTS C. butyricum ameliorated the dysregulation of microbiota diversity in a model of AP combined with lung injury and affected fatty acid metabolism by lowering triglyceride levels, which were closely related to the alteration in the relative abundance of Erysipelatoclostridium and Akkermansia. In addition, C. butyricum treatment attenuated pathological damage in the pancreatic and lung tissues and significantly suppressed the expression of inflammatory factors in mice. CONCLUSIONS C. butyricum may alleviate lung injury associated with AP by interfering with the relevant intestinal microbiota and modulating relevant metabolic pathways.
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Affiliation(s)
- Jiaxin Liu
- Department of Gastroenterology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Gastroenterology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Biyan Wen
- Department of Gastroenterology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Gastroenterology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Yaoxing Huang
- Department of Gastroenterology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Gastroenterology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Guiqing Deng
- Department of Gastroenterology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Gastroenterology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Qingqing Yan
- Department of Gastroenterology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Gastroenterology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China
| | - Lin Jia
- Department of Gastroenterology, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, China; Department of Gastroenterology, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, 510180, China.
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Xu Y, Xin J, Sun Y, Wang X, Sun L, Zhao F, Niu C, Liu S. Mechanisms of Sepsis-Induced Acute Lung Injury and Advancements of Natural Small Molecules in Its Treatment. Pharmaceuticals (Basel) 2024; 17:472. [PMID: 38675431 PMCID: PMC11054595 DOI: 10.3390/ph17040472] [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: 03/13/2024] [Revised: 04/02/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
Sepsis-induced acute lung injury (ALI), characterized by widespread lung dysfunction, is associated with significant morbidity and mortality due to the lack of effective pharmacological treatments available clinically. Small-molecule compounds derived from natural products represent an innovative source and have demonstrated therapeutic potential against sepsis-induced ALI. These natural small molecules may provide a promising alternative treatment option for sepsis-induced ALI. This review aims to summarize the pathogenesis of sepsis and potential therapeutic targets. It assembles critical updates (from 2014 to 2024) on natural small molecules with therapeutic potential against sepsis-induced ALI, detailing their sources, structures, effects, and mechanisms of action.
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Affiliation(s)
- Yaxi Xu
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.X.); (Y.S.); (X.W.)
| | - Jianzeng Xin
- School of Life Sciences, Yantai University, Yantai 264005, China;
| | - Yupei Sun
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.X.); (Y.S.); (X.W.)
| | - Xuyan Wang
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.X.); (Y.S.); (X.W.)
| | - Lili Sun
- College of Pharmacy, University of Utah, Salt Lake City, UT 84108, USA;
| | - Feng Zhao
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.X.); (Y.S.); (X.W.)
| | - Changshan Niu
- College of Pharmacy, University of Utah, Salt Lake City, UT 84108, USA;
| | - Sheng Liu
- School of Pharmacy, Yantai University, Yantai 264005, China; (Y.X.); (Y.S.); (X.W.)
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Jia X, Gu M, Dai J, Wang J, Zhang Y, Pang Z. Quercetin attenuates Pseudomonas aeruginosa-induced acute lung inflammation by inhibiting PI3K/AKT/NF-κB signaling pathway. Inflammopharmacology 2024; 32:1059-1076. [PMID: 38310155 DOI: 10.1007/s10787-023-01416-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 12/16/2023] [Indexed: 02/05/2024]
Abstract
Pseudomonas aeruginosa is an opportunistic pathogen that commonly causes infections in immunocompromised individuals with significant morbidity and mortality. Quercetin is a natural flavonoid abundantly present in fruits and vegetables, exerting potent anti-inflammatory effects in treatment of various diseases. However, the molecular mechanisms of quercetin in treatment of P. aeruginosa-induced acute lung inflammation are unclear. In this study, we exploited network pharmacology- and molecular docking-based approach to explore the potential mechanisms of quercetin against P. aeruginosa pneumonia, which was further validated via in vivo and in vitro experiments. The in vivo experiments demonstrated that quercetin alleviated the P. aeruginosa-induced lung injury by diminishing neutrophil infiltration and production of proinflammatory cytokines (IL-1β, IL-6, and TNF), which was associated with decreased mortality. Moreover, the quercetin-treated mice displayed decreased phosphorylation levels of PI3K, AKT, IκBα, and NF-κB p65 in lung tissues compared to non-drug-treated mice. Similarly, the in vitro study showed that the phosphorylation of these regulatory proteins and production of the proinflammatory cytokines were impaired in the quercetin-pretreated macrophages upon P. aeruginosa infection. Altogether, this study suggested that quercetin reduced the P. aeruginosa-induced acute lung inflammation by suppressing PI3K/AKT/NF-κB signaling pathway.
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Affiliation(s)
- Xiaolei Jia
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 University Road, Jinan, 250355, China
| | - Mengdi Gu
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 University Road, Jinan, 250355, China
| | - Jiangqin Dai
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 University Road, Jinan, 250355, China
| | - Jue Wang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 University Road, Jinan, 250355, China
| | - Yingying Zhang
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 4655 University Road, Jinan, 250355, China.
| | - Zheng Pang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, 4655 University Road, Jinan, 250355, China.
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Zheng Z, Song X, Shi Y, Long X, Li J, Zhang M. Recent Advances in Biologically Active Ingredients from Natural Drugs for Sepsis Treatment. Comb Chem High Throughput Screen 2024; 27:688-700. [PMID: 37254548 DOI: 10.2174/1386207326666230529101918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 12/05/2022] [Accepted: 12/22/2022] [Indexed: 06/01/2023]
Abstract
Sepsis refers to the dysregulated host response to infection; its incidence and mortality rates are high. It is a worldwide medical problem but there is no specific drug for it. In recent years, clinical and experimental studies have found that many monomer components of traditional Chinese medicine have certain effects on the treatment of sepsis. This paper reviews the advances in research on the active ingredients of traditional Chinese medicine involved in the treatment of sepsis in recent years according to their chemical structure; it could provide ideas and references for further research and development in Chinese materia medica for the treatment of sepsis.
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Affiliation(s)
- Zhenzhen Zheng
- Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
| | - Xiayinan Song
- Innovation Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Yanmei Shi
- Department of Cardiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaofeng Long
- Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
| | - Jie Li
- Innovation Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, 250355, China
| | - Min Zhang
- Affiliated Zhongshan Hospital of Dalian University, Dalian, 116001, China
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Huang WC, Wu SJ, Yeh KW, Huang TH, Liou CJ. Protective effects of myricetin on airway inflammation and oxidative stress in ovalbumin-induced asthma mice. J Nutr Biochem 2024; 123:109485. [PMID: 37844766 DOI: 10.1016/j.jnutbio.2023.109485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 10/02/2023] [Accepted: 10/12/2023] [Indexed: 10/18/2023]
Abstract
Myricetin, a flavonoid isolated from many edible vegetables and fruits, has multiple biological effects, including anti-inflammatory and anti-tumor effects. Myricetin could inhibit mast cell degranulation in vitro, and it reduced the eosinophil content in bronchoalveolar lavage fluid (BALF) of ovalbumin (OVA)-sensitized mice. However, it remains unclear whether myricetin alleviates airway hyperresponsiveness (AHR), airway inflammation, and oxidative stress in asthma. Here, we investigated whether myricetin attenuated AHR, airway inflammation, and eosinophil infiltration in lungs of asthmatic mice. Mice were sensitized with OVA, then injected intraperitoneally with myricetin to investigate anti-inflammatory and antioxidant effects of myricetin. Moreover, we examined its effects on human bronchial epithelial BEAS-2B cells stimulated with TNF-α and IL-4, in vitro. Myricetin effectively mitigated eosinophil infiltration, AHR, and goblet cell hyperplasia in lung, and it reduced Th2 cytokine expression in BALF from asthmatic mice. Myricetin effectively promoted glutathione and superoxide dismutase productions and mitigated malondialdehyde expressions in mice by promoting Nrf2/HO-1 expression. Myricetin also reduced the production of proinflammatory cytokines, eotaxins, and reactive oxygen species in BEAS-2B cells. Myricetin effectively suppressed ICAM-1 expression in inflammatory BEAS-2B cells, which suppressed monocyte cell adherence. These results suggested that myricetin could effectively improve asthma symptoms, mainly through blocking Th2-cell activation, which reduced oxidative stress, AHR, and airway inflammation.
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Affiliation(s)
- Wen-Chung Huang
- Graduate Institute of Health Industry Technology, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Taoyuan City, Taiwan; Department of Pediatrics, New Taipei Municipal TuCheng Hospital (Built and Operated by Chang Gung Medical Foundation), New Taipei, Taiwan; Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taoyuan City, Taiwan
| | - Shu-Ju Wu
- Department of Nutrition and Health Sciences, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Taoyuan City, Taiwan; Aesthetic Medical Center, Department of Dermatology, Chang Gung Memorial Hospital, Linkou, Taoyuan City, Taiwan
| | - Kuo-Wei Yeh
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taoyuan City, Taiwan
| | - Tse-Hung Huang
- Graduate Institute of Health Industry Technology, Research Center for Chinese Herbal Medicine, Chang Gung University of Science and Technology, Taoyuan City, Taiwan; Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan.
| | - Chian-Jiun Liou
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taoyuan City, Taiwan; Division of Basic Medical Sciences, Department of Nursing, Chang Gung University of Science and Technology, Taoyuan City, Taiwan.
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Vajdi M, Sefidmooye Azar P, Mahmoodpoor A, Dashti F, Sanaie S, Kiani Chalmardi F, Karimi A. A comprehensive insight into the molecular and cellular mechanisms of action of resveratrol on complications of sepsis a systematic review. Phytother Res 2023; 37:3780-3808. [PMID: 37405908 DOI: 10.1002/ptr.7917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 02/08/2023] [Accepted: 05/27/2023] [Indexed: 07/07/2023]
Abstract
Sepsis and septic shock are still one of the most important medical challenges. Sepsis is an extreme and uncontrolled response of the innate immune system to invading pathogenesis. Resveratrol (3,5,4'-trihydroxytrans-stilbene), is a phenolic and non-flavonoid compound naturally produced by some plants and fruits. The object of the current study is to systematically review the impacts of resveratrol and its mechanisms of function in the management of sepsis and its related complications. The guidelines of the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statements were applied to perform the study (PROSPERO: CRD42021289357). We searched Embase, Web of Science, Google Scholar, Science Direct, PubMed, ProQuest, and Scopus databases up to January 2023 by using the relevant keywords. Study criteria were met by 72 out of 1415 articles screened. The results of this systematic review depict that resveratrol can reduces the complications of sepsis by affecting inflammatory pathways, oxidative stress, and modulating immune responses. Future human randomized clinical trials are necessary due to the promising therapeutic effects of resveratrol on sepsis complications and the lack of clinical trials in this regard.
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Affiliation(s)
- Mahdi Vajdi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Pouria Sefidmooye Azar
- Department of Nutrition and Hospitality Management, School of Applied Sciences, The University of Mississippi, Oxford, Mississippi, USA
| | - Ata Mahmoodpoor
- Department of Anesthesiology and Intensive Care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farzaneh Dashti
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Sarvin Sanaie
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Arash Karimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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Fang Y, Jin W, Guo Z, Hao J. Quercetin Alleviates Asthma-Induced Airway Inflammation and Remodeling through Downregulating Periostin via Blocking TGF-β1/Smad Pathway. Pharmacology 2023; 108:432-443. [PMID: 37343534 DOI: 10.1159/000530703] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 04/10/2023] [Indexed: 06/23/2023]
Abstract
INTRODUCTION The aim of the study was to discuss whether the anti-asthmatic effect of quercetin is related to periostin and the downstream molecular pathway of quercetin's anti-asthmatic effect. METHODS We constructed asthmatic mice, sensitized by ovalbumin, and administrated different treatments into mice according to the experimental design. In this study, we mainly observed the inflammatory response, airway fibrosis, and airway hyperresponsiveness in asthmatic mice. Pathological stains (H&E, PAS, and Masson) were performed. We also detected the inflammation factors and fibrosis-related cytokines by enzyme-linked immunosorbent serologic assay. In addition, we also explored the level of periostin by enzyme-linked immunosorbent serologic assay and Western blot. At the same time, TGF-β1/Smad pathway was also determined by Western blot. RESULTS A high expression of periostin was found in asthmatic mice, and quercetin decreases periostin content in bronchoalveolar lavage fluid. Quercetin and OC-20 inhibit airway inflammation response, airway fibrosis, and airway hyperreactivity. Quercetin downregulated TGF-β1/Smad pathway in the lung tissues of asthmatic mice. Anti-asthma role of quercetin is related to periostin. Then deeper mechanical study revealed that inhibiting TGF-β1 could improve asthmatic symptoms, and quercetin exerted the protective effect on asthmatic mice through inhibition of TGF-β1/Smad pathway. CONCLUSION Quercetin provided a protective role against asthma via periostin, manifested by mild inflammatory infiltration, reduced goblet cell proliferation, and reduced airway fibrosis. TGF-β1/Smad pathway is an important transduction system, participating in the protective effect of quercetin on asthma.
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Affiliation(s)
- Yanni Fang
- Department of Pediatrics, Yantaishan Hospital, Yantai, China
| | - Wenwen Jin
- Department of Clinical Laboratory, Yantai Yuhuangding Hospital, Yantai, China
| | - Zhen Guo
- Department of Pediatrics, Yantaishan Hospital, Yantai, China
| | - Jumei Hao
- Department of Pediatrics, Yantaishan Hospital, Yantai, China
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de Oliveira Rodrigues Junior E, de Santana IR, Durço AO, Conceição LSR, Barreto AS, Menezes IAC, Roman-Campos D, Dos Santos MRV. The effects of flavonoids in experimental sepsis: A systematic review and meta-analysis. Phytother Res 2023. [PMID: 37115723 DOI: 10.1002/ptr.7846] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/22/2023] [Accepted: 04/08/2023] [Indexed: 04/29/2023]
Abstract
Sepsis is a host's dysregulated immune response to an infection associated with systemic inflammation and excessive oxidative stress, which can cause multiple organ failure and death. The literature suggests that flavonoids, a broad class of secondary plant metabolites, have numerous biological activities which can be valuable in the treatment of sepsis. This study aimed to review the effects of flavonoids on experimental sepsis, focusing mainly on survival rate, and also summarizing information on its mechanisms of action. We searched in the main databases up to November 2022 using relevant keywords, and data were extracted and analyzed qualitatively and quantitatively. Thirty-two articles met the study criteria for review and 29 for meta-analysis. Overall, 30 different flavonoids were used in the studies. The flavonoids were able to strongly inhibit inflammatory response by reducing the levels of important pro-inflammatory mediators, for example, tumor necrosis factor-alpha and interleukin-1β, oxidative stress, and showed antibacterial and anti-apoptotic actions. The meta-analysis found an increase of 50% in survival rate of the animals treated with flavonoids. They appear to act as multi-target drugs and may be an excellent therapeutic alternative to reduce a number of the complications caused by sepsis, and consequently, to improve survival rate.
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Affiliation(s)
| | - Izabel Rodrigues de Santana
- Department of Physiology, Federal University of Sergipe, Sao Cristovao, Sergipe, Brazil
- Health Sciences Graduate Program, Federal University of Sergipe, Hospital Universitário, Aracaju, Sergipe, Brazil
| | - Aimée Obolari Durço
- Health Sciences Graduate Program, Federal University of Sergipe, Hospital Universitário, Aracaju, Sergipe, Brazil
| | - Lino Sérgio Rocha Conceição
- Department of Physical Therapy, Federal University of Sergipe, Hospital Universitário, Aracaju, Sergipe, Brazil
| | - André Sales Barreto
- Health Sciences Graduate Program, Federal University of Sergipe, Hospital Universitário, Aracaju, Sergipe, Brazil
- Department of Health Education, Federal University of Sergipe, Lagarto, Sergipe, Brazil
| | | | - Danilo Roman-Campos
- Department of Biophysics, Federal University of São Paulo, São Paulo, Brazil
| | - Márcio Roberto Viana Dos Santos
- Department of Physiology, Federal University of Sergipe, Sao Cristovao, Sergipe, Brazil
- Health Sciences Graduate Program, Federal University of Sergipe, Hospital Universitário, Aracaju, Sergipe, Brazil
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12
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Quercetin Reprograms Immunometabolism of Macrophages via the SIRT1/PGC-1α Signaling Pathway to Ameliorate Lipopolysaccharide-Induced Oxidative Damage. Int J Mol Sci 2023; 24:ijms24065542. [PMID: 36982615 PMCID: PMC10059595 DOI: 10.3390/ijms24065542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 02/28/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
The redox system is closely related to changes in cellular metabolism. Regulating immune cell metabolism and preventing abnormal activation by adding antioxidants may become an effective treatment for oxidative stress and inflammation-related diseases. Quercetin is a naturally sourced flavonoid with anti-inflammatory and antioxidant activities. However, whether quercetin can inhibit LPS-induced oxidative stress in inflammatory macrophages by affecting immunometabolism has been rarely reported. Therefore, the present study combined cell biology and molecular biology methods to investigate the antioxidant effect and mechanism of quercetin in LPS-induced inflammatory macrophages at the RNA and protein levels. Firstly, quercetin was found to attenuate the effect of LPS on macrophage proliferation and reduce LPS-induced cell proliferation and pseudopodia formation by inhibiting cell differentiation, as measured by cell activity and proliferation. Subsequently, through the detection of intracellular reactive oxygen species (ROS) levels, mRNA expression of pro-inflammatory factors and antioxidant enzyme activity, it was found that quercetin can improve the antioxidant enzyme activity of inflammatory macrophages and inhibit their ROS production and overexpression of inflammatory factors. In addition, the results of mitochondrial morphology and mitochondrial function assays showed that quercetin could upregulate the mitochondrial membrane potential, ATP production and ATP synthase content decrease induced by LPS, and reverse the mitochondrial morphology damage to a certain extent. Finally, Western blotting analysis demonstrated that quercetin significantly upregulated the protein expressions of SIRT1 and PGC-1α, that were inhibited by LPS. And the inhibitory effects of quercetin on LPS-induced ROS production in macrophages and the protective effects on mitochondrial morphology and membrane potential were significantly decreased by the addition of SIRT1 inhibitors. These results suggested that quercetin reprograms the mitochondria metabolism of macrophages through the SIRT1/PGC-1α signaling pathway, thereby exerting its effect of alleviating LPS-induced oxidative stress damage.
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13
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Zhai Z, Fu Y, Zhang X, Zhang Y, Zhou C, Huang X, Deng L. Liposomes loaded with quercetin for resolution of lung inflammation in a lipopolysaccharide-induced mouse model of sepsis. Biomed Mater 2023; 18. [PMID: 36863020 DOI: 10.1088/1748-605x/acc0bc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 03/01/2023] [Indexed: 03/04/2023]
Abstract
Quercetin (QU) has been widely used as a dietary supplement and proved useful to treat lung diseases. However, the therapeutic potential of QU may be restricted because of its low bioavailability and poor water solubility. In this study, we investigated the effects of developed QU-loaded liposomes on macrophage-mediated lung inflammation.In vivo, a mouse model of sepsis induced by lipopolysaccharide challenge was used to detect the anti-inflammatory effects of liposomal QU. Hematoxylin/eosin staining and immunostaining were utilized to reveal pathological damage and leukocyte infiltration into the lung tissues. Quantitative reverse transcription-polymerase chain reaction and immunoblotting were used to determine cytokine production in the mouse lungs.In vitro, mouse RAW 264.7 macrophages were treated with free QU and liposomal QU. Cell viability assay and immunostaining were utilized to detect cytotoxicity and distribution of QU in the cells. Thein vivoresults showed that liposomal encapsulation promoted the inhibitory effects of QU on lung inflammation. Liposomal QU decreased mortality in septic mice with no obvious toxicity on vital organs. Mechanistically, the anti-inflammatory effects of liposomal QU were associated with inhibition of nuclear factor-kappa B-dependent cytokine production and inflammasome activation in macrophages. Collectively, the results showed that QU liposomes mitigated lung inflammation in septic mice through inhibition of macrophage inflammatory signaling.
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Affiliation(s)
- Zhiqi Zhai
- Key Laboratory of Respiratory Medical Engineering of Changzhou, Institute of Biomedical Engineering and Health Sciences, School of Medicine and Health Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Yue Fu
- Key Laboratory of Respiratory Medical Engineering of Changzhou, Institute of Biomedical Engineering and Health Sciences, School of Medicine and Health Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Xinyue Zhang
- Key Laboratory of Respiratory Medical Engineering of Changzhou, Institute of Biomedical Engineering and Health Sciences, School of Medicine and Health Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Yi Zhang
- Department of Pharmacy, Danyang People's Hospital, Zhenjiang 212300, People's Republic of China
| | - Chao Zhou
- Key Laboratory of Respiratory Medical Engineering of Changzhou, Institute of Biomedical Engineering and Health Sciences, School of Medicine and Health Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Xiaojia Huang
- Key Laboratory of Respiratory Medical Engineering of Changzhou, Institute of Biomedical Engineering and Health Sciences, School of Medicine and Health Engineering, Changzhou University, Changzhou 213164, People's Republic of China
| | - Linhong Deng
- Key Laboratory of Respiratory Medical Engineering of Changzhou, Institute of Biomedical Engineering and Health Sciences, School of Medicine and Health Engineering, Changzhou University, Changzhou 213164, People's Republic of China
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14
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Mahomoodally MF, Aumeeruddy MZ, Legoabe LJ, Dall’Acqua S, Zengin G. Plants' bioactive secondary metabolites in the management of sepsis: Recent findings on their mechanism of action. Front Pharmacol 2022; 13:1046523. [PMID: 36588685 PMCID: PMC9800845 DOI: 10.3389/fphar.2022.1046523] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
Sepsis is a severe inflammatory response to systemic infection and is a threatening cause of death in intensive care units. In recent years, a number of studies have been conducted on the protective effect of natural products against sepsis-induced organ injury. However, a comprehensive review of these studies indicating the mechanisms of action of the bioactive compounds is still lacking. In this context, this review aimed to provide an updated analysis of the mechanism of action of plants' secondary metabolites in the management of sepsis. Scopus, Science Direct, Google Scholar, and PubMed were searched from inception to July 2022. A variety of secondary metabolites were found to be effective in sepsis management including allicin, aloin, cepharanthine, chrysin, curcumin, cyanidin, gallic acid, gingerol, ginsenoside, glycyrrhizin, hesperidin, kaempferol, narciclasine, naringenin, naringin, piperine, quercetin, resveratrol, rosmarinic acid, shogaol, silymarin, sulforaphane, thymoquinone, umbelliferone, and zingerone. The protective effects exerted by these compounds can be ascribed to their antioxidant properties as well as induction of endogenous antioxidant mechanisms, and also via the downregulation of inflammatory response and reduction of biochemical and inflammatory markers of sepsis. These findings suggest that these secondary metabolites could be of potential therapeutic value in the management of sepsis, but human studies must be performed to provide strength to their potential clinical relevance in sepsis-related morbidity and mortality reduction.
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Affiliation(s)
- Mohamad Fawzi Mahomoodally
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam,Faculty of Natural Sciences, Duy Tan University, Da Nang, Vietnam,*Correspondence: Mohamad Fawzi Mahomoodally, ; Stefano Dall’Acqua,
| | | | - Lesetja Jan Legoabe
- Centre of Excellence for Pharmaceutical Sciences (Pharmacen), North West University, Potchefstroom, South Africa
| | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy,*Correspondence: Mohamad Fawzi Mahomoodally, ; Stefano Dall’Acqua,
| | - Gokhan Zengin
- Department of Biology, Faculty of Science, Selcuk University, Campus, Konya, Turkey
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15
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Tang X, Liu J, Yao S, Zheng J, Gong X, Xiao B. Ferulic acid alleviates alveolar epithelial barrier dysfunction in sepsis-induced acute lung injury by activating the Nrf2/HO-1 pathway and inhibiting ferroptosis. PHARMACEUTICAL BIOLOGY 2022; 60:2286-2294. [PMID: 36433644 PMCID: PMC9707381 DOI: 10.1080/13880209.2022.2147549] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/20/2022] [Accepted: 11/08/2022] [Indexed: 05/27/2023]
Abstract
CONTEXT Ferulic acid (FA) has antioxidative and anti-inflammatory effects, and is a promising drug to treat sepsis. OBJECTIVE To study the therapeutic effect of FA in sepsis-induced acute lung injury (ALI) and its underlying mechanisms. MATERIALS AND METHODS The caecal ligation and puncture (CLP) manoeuvre was applied to establish a murine model of sepsis-induced ALI, and female BALB/c mice (6 mice per group) were subjected to 100 mg/kg FA or 0.8 mg/kg ferrostatin-1 (Fer-1, ferroptosis inhibitor) treatment to clarify the role of FA in preserving alveolar epithelial barrier function and inhibiting ferroptosis. Lipopolysaccharide (LPS; 500 ng/mL)-induced cell models were prepared and subjected to FA (0.1 μM), sh-Nrf2, and Fe (Fe-citrate, ferroptosis inducer; 5 M) treatment to study the in vitro effect of FA on LPS-induced alveolar epithelial cell injury and the role of the Nrf2/HO-1 pathway. RESULTS We found that FA decreased the lung injury score (48% reduction), lung wet/dry weight ratio (33% reduction), and myeloperoxidase activity (58% reduction) in sepsis-induced ALI. Moreover, FA inhibited ferroptosis of alveolar epithelial cells and improved alveolar epithelial barrier dysfunction. The protective role of FA against alveolar epithelial barrier dysfunction could be reversed by the ferroptosis inducer Fe-citrate, suggesting that FA alleviates alveolar epithelial barrier dysfunction by inhibiting ferroptosis. Mechanistically, we found that FA inhibited ferroptosis of alveolar epithelial cells by activating the Nrf2/HO-1 pathway. CONCLUSION Collectively, our data highlighted the alleviatory role of ferulic acid in sepsis-induced ALI by activating the Nrf2/HO-1 pathway and inhibiting ferroptosis, offering a new basis for sepsis treatment.
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Affiliation(s)
- Xianming Tang
- Department of Emergency Medicine, The Second Xiangya Hospital of Central South University, Emergency and Difficult Diseases Institute of Central South University, Changsha, P. R. China
| | - Jiqiang Liu
- Department of Emergency Medicine, The Second Xiangya Hospital of Central South University, Emergency and Difficult Diseases Institute of Central South University, Changsha, P. R. China
| | - Shuo Yao
- Department of Emergency Medicine, The Second Xiangya Hospital of Central South University, Emergency and Difficult Diseases Institute of Central South University, Changsha, P. R. China
| | - Jianfei Zheng
- Department of Emergency Medicine, The Second Xiangya Hospital of Central South University, Emergency and Difficult Diseases Institute of Central South University, Changsha, P. R. China
| | - Xun Gong
- Department of Emergency Medicine, The Second Xiangya Hospital of Central South University, Emergency and Difficult Diseases Institute of Central South University, Changsha, P. R. China
| | - Bing Xiao
- Department of Emergency Medicine, The Second Xiangya Hospital of Central South University, Emergency and Difficult Diseases Institute of Central South University, Changsha, P. R. China
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16
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Wang L, Wang Z, Yang Z, Wang X, Yan L, Wu J, Liu Y, Fu B, Yang H. Potential common mechanism of four Chinese patent medicines recommended by diagnosis and treatment protocol for COVID-19 in medical observation period. Front Med (Lausanne) 2022; 9:874611. [PMID: 36388945 PMCID: PMC9643314 DOI: 10.3389/fmed.2022.874611] [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: 02/12/2022] [Accepted: 10/10/2022] [Indexed: 11/13/2022] Open
Abstract
The global epidemic has been controlled to some extent, while sporadic outbreaks still occur in some places. It is essential to summarize the successful experience and promote the development of new drugs. This study aimed to explore the common mechanism of action of the four Chinese patent medicine (CPMs) recommended in the Medical Observation Period COVID-19 Diagnostic and Treatment Protocol and to accelerate the new drug development process. Firstly, the active ingredients and targets of the four CPMs were obtained by the Chinese medicine composition database (TCMSP, TCMID) and related literature, and the common action targets of the four TCMs were sorted out. Secondly, the targets of COVID-19 were obtained through the gene-disease database (GeneCards, NCBI). Then the Venn diagram was used to intersect the common drug targets with the disease targets. And GO and KEGG pathway functional enrichment analysis was performed on the intersected targets with the help of the R package. Finally, the results were further validated by molecular docking and molecular dynamics analysis. As a result, a total of 101 common active ingredients and 21 key active ingredients of four CPMs were obtained, including quercetin, luteolin, acacetin, kaempferol, baicalein, naringenin, artemisinin, aloe-emodin, which might be medicinal substances for the treatment of COVID-19. TNF, IL6, IL1B, CXCL8, CCL2, IL2, IL4, ICAM1, IFNG, and IL10 has been predicted as key targets. 397 GO biological functions and 166 KEGG signaling pathways were obtained. The former was mainly enriched in regulating apoptosis, inflammatory response, and T cell activation. The latter, with 92 entries related to COVID-19, was mainly enriched to signaling pathways such as Coronavirus disease-COVID-19, Cytokine-cytokine receptor interaction, IL-17 signaling pathway, and Toll-like receptor signaling pathway. Molecular docking results showed that 19/21 of key active ingredients exhibited strong binding activity to recognized COVID-19-related targets (3CL of SARS-CoV-2, ACE2, and S protein), even better than one of these four antiviral drugs. Among them, shinflavanone had better affinity to 3CL, ACE2, and S protein of SARS-CoV-2 than these four antiviral drugs. In summary, the four CPMs may play a role in the treatment of COVID-19 by binding flavonoids such as quercetin, luteolin, and acacetin to target proteins such as ACE2, 3CLpro, and S protein and acting on TNF, IL6, IL1B, CXCL8, and other targets to participate in broad-spectrum antiviral, immunomodulatory and inflammatory responses.
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Affiliation(s)
- Lin Wang
- Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Zheyi Wang
- Qilu Hospital, Shandong University, Shandong, China
| | - Zhihua Yang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xingwang Wang
- College of Animal Science and National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, Guangdong, China
| | - Liping Yan
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Jianxiong Wu
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yue Liu
- Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Baohui Fu
- Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Hongtao Yang
- Department of Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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17
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Lee H, Krishnan M, Kim M, Yoon YK, Kim Y. Rhamnetin, a Natural Flavonoid, Ameliorates Organ Damage in a Mouse Model of Carbapenem-Resistant Acinetobacter baumannii-Induced Sepsis. Int J Mol Sci 2022; 23:12895. [PMID: 36361685 PMCID: PMC9656386 DOI: 10.3390/ijms232112895] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/16/2022] [Accepted: 10/24/2022] [Indexed: 11/15/2023] Open
Abstract
In sepsis, the persistence of uncontrolled inflammatory response of infected host cells eventually leads to severe lung and organ failure and, ultimately, death. Carbapenem-resistant Acinetobacter baumannii (CRAB), causative bacteria of sepsis and lung failure in acute cases, belongs to a group of critical pathogens that cannot be eradicated using the currently available antibiotics. This underlines the necessity of developing new modes of therapeutics that can control sepsis at the initial stages. In this study, we investigated the anti-inflammatory activities in vitro and in vivo and the antiseptic effects of rhamnetin, a naturally occurring flavonoid. We found that among its isoforms, the potency of rhamnetin was less explored but rhamnetin possessed superior anti-inflammatory activity with least cytotoxicity. Rhamnetin showed significant anti-inflammatory effects in lipopolysaccharide-, CRAB-, and Escherichia coli (E. coli)-stimulated mouse macrophages by inhibiting the release of interleukin-6 and nitric oxide. In a mouse model of sepsis infected with clinically isolated CRAB or E. coli, rhamnetin significantly reduced the bacterial burden in the organs. In addition, normalized pro-inflammatory cytokine levels in lung lysates and histological analysis of lung tissue indicated alleviation of lung damage. This study implies that a potent natural product such as rhamnetin could be a future therapeutic for treating carbapenem-resistant gram-negative sepsis.
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Affiliation(s)
- Hyeju Lee
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea
| | - Manigandan Krishnan
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea
| | - Minju Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea
| | - Young Kyung Yoon
- Division of Infectious Diseases, Department of Internal Medicine, College of Medicine, Korea University Anam Hospital, Korea University, Seoul 02841, Korea
| | - Yangmee Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea
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18
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Lu J, Liu J, Li A. Roles of neutrophil reactive oxygen species (ROS) generation in organ function impairment in sepsis. J Zhejiang Univ Sci B 2022; 23:437-450. [PMID: 35686524 DOI: 10.1631/jzus.b2101075] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Sepsis is a condition of severe organ failure caused by the maladaptive response of the host to an infection. It is a severe complication affecting critically ill patients, which can progress to severe sepsis, septic shock, and ultimately death. As a vital part of the human innate immune system, neutrophils are essential in resisting pathogen invasion, infection, and immune surveillance. Neutrophil-produced reactive oxygen species (ROS) play a pivotal role in organ dysfunction related to sepsis. In recent years, ROS have received a lot of attention as a major cause of sepsis, which can progress to severe sepsis and septic shock. This paper reviews the existing knowledge on the production mechanism of neutrophil ROS in human organ function impairment because of sepsis.
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Affiliation(s)
- Jiaqi Lu
- Intensive Care Unit, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Jingyuan Liu
- Intensive Care Unit, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Ang Li
- Intensive Care Unit, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China.
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19
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Yu F, Tian W, Dong J. Anagliptin prevents lipopolysaccharide (LPS)- induced inflammation and activation of macrophages. Int Immunopharmacol 2022; 104:108514. [PMID: 35045357 DOI: 10.1016/j.intimp.2021.108514] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/11/2021] [Accepted: 12/30/2021] [Indexed: 11/17/2022]
Abstract
Sepsis is a multiple organ dysfunction syndrome (MODS) induced by infection, which significantly threatens public health. The overactivation of inflammatory reactions and oxidative stress participate in the pathogenesis of sepsis. Anagliptin, a novel anti-diabetic agent widely applied for the treatment of type II diabetes, has been recently claimed to possess anti-inflammatory properties. Here, the protective effects of anagliptin on lipopolysaccharide (LPS)- stimulated macrophages will be checked to explore the possible pharmacological property of anagliptin on sepsis. The state of oxidative stress was dramatically activated by LPS, accompanied by the upregulation of toll-like receptor 4 (TLR4) and high mobility group box-1 (HMGB-1), as well as the elevated expression of inducible nitric oxide synthase (iNOS) and production of nitric oxide (NO). After treatment with anagliptin, the state of oxidative stress in macrophages was alleviated, with the downregulation of TLR4, HMGB-1, iNOS, and the declined release of NO. The excessive secretion of inflammatory factors, activation of the NF-κB pathway, and promoted expression level of receptor-interacting protein 1 (RIP1) were observed in LPS- stimulated macrophages, all of which were greatly reversed by the introduction of anagliptin. Lastly, the protective properties of anagliptin on LPS- treated macrophages, including the inhibitory effects on inflammation and the NF-κB pathway, were dramatically abolished by the overexpression of RIP1 in macrophages. Collectively, anagliptin prevented LPS-induced inflammation and activation of P338D1 macrophages by repressing the expression level of RIP1.
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Affiliation(s)
- Fangfang Yu
- Department of Clinical Laboratory, YanTai Yuhuangding Hospital, Yantai, Shandong 264000, China
| | - Wenxia Tian
- Department of Clinical Laboratory, Jinan Health Promotion and Education Center, Jinan, Shandong 250002, China
| | - Jie Dong
- Department of Clinical Laboratory, YanTai Yuhuangding Hospital, Yantai, Shandong 264000, China.
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20
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Khazdair MR, Saadat S, Aslani MR, Shakeri F, Boskabady MH. Experimental and clinical studies on the effects of Portulaca oleracea L. and its constituents on respiratory, allergic, and immunologic disorders, a review. Phytother Res 2021; 35:6813-6842. [PMID: 34462981 DOI: 10.1002/ptr.7268] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 12/13/2022]
Abstract
Various pharmacological effects for Portulaca oleracea were shown in previous studies. Therefore, the effects of P. oleracea and its derivatives on respiratory, allergic, and immunologic diseases according to update experimental and clinical studies are provided in this review article. PubMed/Medline, Scopus, and Google Scholar were searched using appropriate keywords until the end of December 2020. The effects of P. oleracea and its constituents such as quercetin and kaempferol on an animal model of asthma were shown. Portulaca oleracea and its constituents also showed therapeutic effects on chronic obstructive pulmonary disease and chronic bronchitis in both experimental and clinical studies. The possible bronchodilatory effect of P. oleracea and its ingredients was also reported. Portulaca oleracea and its constituents showed the preventive effect on lung cancer and a clinical study showed the effect of P. oleracea on patients with lung adenocarcinoma. In addition, a various constituents of P. oleracea including, quercetin and kaempferol showed therapeutic effects on lung infections. This review indicates the therapeutic effect of P. oleracea and its constituents on various lung and allergic disorders but more clinical studies are required to establish the clinical efficacy of this plant and its constituents on lung and allergic disorders.
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Affiliation(s)
- Mohammad Reza Khazdair
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeideh Saadat
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohammad Reza Aslani
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Lung Inflammatory Diseases Research Center, Faculty of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Farzaneh Shakeri
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran.,Department of Physiology and Pharmacology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Mohammad Hossein Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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21
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The Restorative Effect of Red Guava ( Psidium guajava L.) Fruit Extract on Pulmonary Tissue of Rats ( Rattus norvegicus) Exposed to Cigarette Smoke. Vet Med Int 2021; 2021:9931001. [PMID: 34123347 PMCID: PMC8189814 DOI: 10.1155/2021/9931001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/25/2021] [Indexed: 01/04/2023] Open
Abstract
Since the damage to alveolar tissue due to cigarette smoke exposure (CSE) is lipid peroxidation, antioxidant treatment is needed. The red guava (Psidium guajava L.) fruit contains antioxidants derived from quercetin, lycopene, and vitamin C. This study aimed to determine the effect of red guava fruit extract (RGFE) on the alveolar tissue of rats exposed to cigarette smoke. The 25 rats (Rattus norvegicus) were divided into five groups. The control and T0 groups were only administered placebo, while T1, T2, and T3 groups were orally administered RGFE of 18.9, 37.8, and 56.7 mg/kg body weight daily for 44 days. The CSE dose of 20 suctions daily was conducted on T0, T1, T2, and T3 groups on days 15–44. On day 45, all rats were sacrificed for serum collection and histopathological lung slides with eosin-nigrosin staining. The result showed that CSE caused an increase (p < 0.05) in malondialdehyde (MDA) levels, cell death, apoptosis, and necrosis percentages, congestion and thickening of alveolar septum tissue, and reduction in the alveolar diameter and alveolar number. Administration of RGFE suppressed those effects, and the highest dose of RGFE (T3) restored (p > 0.05) MDA levels, percentage of apoptotic and necrosis, alveolar septal thickening, and alveolar diameter. However, the percentages of cell death, alveolar congestion, and the alveolar number were still worse (p < 0.05) than in normal rats. It could be concluded that RGFE has proved relief and restoration of the alveolar tissue of rats exposed to cigarette smoke.
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Karimi A, Naeini F, Asghari Azar V, Hasanzadeh M, Ostadrahimi A, Niazkar HR, Mobasseri M, Tutunchi H. A comprehensive systematic review of the therapeutic effects and mechanisms of action of quercetin in sepsis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 86:153567. [PMID: 33940332 DOI: 10.1016/j.phymed.2021.153567] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/30/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Sepsis is a life-threatening condition caused by a dysregulated host response to infection. Several studies have indicated that flavonoids exhibit a wide variety of biological actions including free radical scavenging and antioxidant activities. Quercetin, one of the most extensively distributed flavonoids in the vegetables and fruits, presents various biological activities including modulation of oxidative stress, anti-infectious, anti-inflammatory, and neuroprotective activities. METHODS The present systematic review was conducted according to the guidelines of the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statements. We searched Web of Sciences, Google Scholar, PubMed, Scopus, and Embase databases up to February 2021 by using the relevant keywords. RESULTS Out of 672 records screened, 35 articles met the study criteria. The evidence reviewed here indicates that quercetin supplementation may exert beneficial effects on sepsis by attenuating inflammation and oxidative stress, downregulating the mRNA expression of toll-like receptors (TLRs), modulating the immune response, and alleviating sepsis-related organ dysfunctions. CONCLUSION Due to the promising therapeutic effects of quercetin on sepsis complications and the lack of clinical trials in this regard, future human randomized clinical trials are warranted.
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Affiliation(s)
- Arash Karimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Naeini
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Science, Tehran, Iran
| | - Vahid Asghari Azar
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Malihe Hasanzadeh
- Department of Biology, Ardabil Branch Islamic Azad University, Ardabil, Iran
| | - Alireza Ostadrahimi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamid Reza Niazkar
- Student Research Committee, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Majid Mobasseri
- Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Helda Tutunchi
- Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Endocrine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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23
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Zhu YW, Yan XF, Ye TJ, Hu J, Wang XL, Qiu FJ, Liu CH, Hu XD. Analyzing the potential therapeutic mechanism of Huashi Baidu Decoction on severe COVID-19 through integrating network pharmacological methods. J Tradit Complement Med 2021; 11:180-187. [PMID: 33520684 PMCID: PMC7834580 DOI: 10.1016/j.jtcme.2021.01.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 02/08/2023] Open
Abstract
Background and aim Huashi Baidu Decoction (HSBD) is a novel complex prescription which has positive effects on severe COVID-19. This study was aimed to discover key Chinese materia medica, main active compounds, hub therapeutic target proteins and core signal pathways in the potential therapeutic mechanism of HSBD on severe COVID-19 through integrating network pharmacological methods. Experimental procedure TCMSP, TCMID and STITCH databases were used to screen out active compounds and target proteins of HSBD. GeneCards database was used to screen out disease genes of severe COVID-19. The potential therapeutic targets of HSBD on severe COVID-19 were used to construct protein-protein interaction network through STRING database and the hub target proteins were discovered. Next, GO and KEGG enrichment analysis were carried out to discover core signal pathways. Finally, the network diagram of “Chinese materia medica-active compounds-therapeutic target proteins” was built, then key Chinese materia medica and main active compounds were selected. Results and conclusion HSBD might treat severe COVID-19 through 45 potential target genes, among them, there were 13 hub target genes: RELA, TNF, IL6, IL1B, MAPK14, TP53, CXCL8, MAPK3, MAPK1, IL4, MAPK8, CASP8, STAT1. Meanswhile, GO_BiologicalProcess and KEGG signaling pathways analysis results showed that the core signal pathways were inflammation and immune regulation pathways. Finally, 4 key Chinese materia medica and 11 main active compounds were discovered in the HSBD. In conclusion, the therapeutic mechanism of HSBD on severe COVID-19 might involve its pharmacological effects of anti-inflammation and immune regulation via acting on 45 disease-related proteins of severe COVID-19. Taxonomy (classification by evise) Viral Pneumonia, COVID-19, Acute Respiratory Distress Syndrome, Septic Shock, Chinese Herbal Medicine. The potential therapeutic mechanisms of HSBD on severe COVID-19 are demonstrated. Anti-inflammation and immune regulation are the main therapeutic mechanisms. Multi-target therapy is a promising treatment strategy to cure severe COVID-19.
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Affiliation(s)
- Yi-Wei Zhu
- Department of Biology, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Xiao-Feng Yan
- Department of Biology, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Ting-Jie Ye
- Department of Biology, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Jing Hu
- Department of Warm Febrile Disease, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Xiao-Ling Wang
- Department of Biology, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Feng-Jun Qiu
- Department of Biology, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Cheng-Hai Liu
- Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Xu-Dong Hu
- Department of Biology, School of Basic Medical Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
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24
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He YQ, Zhou CC, Yu LY, Wang L, Deng JL, Tao YL, Zhang F, Chen WS. Natural product derived phytochemicals in managing acute lung injury by multiple mechanisms. Pharmacol Res 2021; 163:105224. [PMID: 33007416 PMCID: PMC7522693 DOI: 10.1016/j.phrs.2020.105224] [Citation(s) in RCA: 171] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/15/2020] [Accepted: 09/22/2020] [Indexed: 12/14/2022]
Abstract
Acute lung injury (ALI) and its more severe form, acute respiratory distress syndrome (ARDS) as common life-threatening lung diseases with high mortality rates are mostly associated with acute and severe inflammation in lungs. With increasing in-depth studies of ALI/ARDS, significant breakthroughs have been made, however, there are still no effective pharmacological therapies for treatment of ALI/ARDS. Especially, the novel coronavirus pneumonia (COVID-19) is ravaging the globe, and causes severe respiratory distress syndrome. Therefore, developing new drugs for therapy of ALI/ARDS is in great demand, which might also be helpful for treatment of COVID-19. Natural compounds have always inspired drug development, and numerous natural products have shown potential therapeutic effects on ALI/ARDS. Therefore, this review focuses on the potential therapeutic effects of natural compounds on ALI and the underlying mechanisms. Overall, the review discusses 159 compounds and summarizes more than 400 references to present the protective effects of natural compounds against ALI and the underlying mechanism.
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Affiliation(s)
- Yu-Qiong He
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Can-Can Zhou
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Lu-Yao Yu
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Liang Wang
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jiu-Ling Deng
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yu-Long Tao
- Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China
| | - Feng Zhang
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China.
| | - Wan-Sheng Chen
- Institute of Chinese Materia Madica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Department of Pharmacy, Changzheng Hospital, Second Military Medical University, Shanghai 200003, China.
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25
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Alikiaii B, Bagherniya M, Askari G, Johnston TP, Sahebkar A. The role of phytochemicals in sepsis: A mechanistic and therapeutic perspective. Biofactors 2021; 47:19-40. [PMID: 33217777 DOI: 10.1002/biof.1694] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/13/2020] [Indexed: 12/14/2022]
Abstract
Sepsis and septic shock are still a leading cause of mortality and morbidity in intensive care units worldwide. Sepsis is an uncontrolled and excessive response of the innate immune system toward the invading infectious microbes, characterized by the hyper-production of pro-inflammatory mediators such as interleukin (IL)-1β, IL-6, tumor-necrosis factor (TNF)-α, and high-mobility group box 1 (HMGB1). In severe sepsis, the overwhelming production of pro-inflammatory cytokines and reactive oxygen species may compromise organ function and lead to the induction of abnormal apoptosis in different organs, resulting in multiple organ dysfunction syndrome and death. Hence, compounds that are able to attenuate inflammatory responses may have therapeutic potential for sepsis treatment. Understanding the pathophysiology and underlying molecular mechanisms of sepsis may provide useful insights in the discovery and development of new effective therapeutics. Therefore, numerous studies have invested much effort into elucidating the mechanisms involved with the onset and development of sepsis. The present review mainly focuses on the molecules and signaling pathways involved in the pathogenicity of sepsis. Additionally, several well-known natural bioactive herbal compounds and phytochemicals, which have shown protective and therapeutic effects with regard to sepsis, as well as their mechanisms of action, are presented. This review suggests that these phytochemicals are able to attenuate the overwhelming inflammatory responses developed during sepsis by modulating different signaling pathways. Moreover, the anti-inflammatory and cytoprotective activities of phytochemicals make them potent compounds to be included as complementary therapeutic agents in the diets of patients suffering from sepsis in an effort to alleviate sepsis and its life-threatening complications, such as multi-organ failure.
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Affiliation(s)
- Babak Alikiaii
- Anesthesia and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Bagherniya
- Anesthesia and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gholamreza Askari
- Anesthesia and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Thomas P Johnston
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Halal Research Center of IRI, FDA, Tehran, Iran
- Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland
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26
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HSF1 Attenuates LPS-Induced Acute Lung Injury in Mice by Suppressing Macrophage Infiltration. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1936580. [PMID: 33381262 PMCID: PMC7762676 DOI: 10.1155/2020/1936580] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/21/2020] [Accepted: 12/01/2020] [Indexed: 12/14/2022]
Abstract
Heat shock factor 1 (HSF1) is a transcription factor involved in the heat shock response and other biological processes. We have unveiled here an important role of HSF1 in acute lung injury (ALI). HSF1 knockout mice were used as a model of lipopolysaccharide- (LPS-) induced ALI. Lung damage was aggravated, and macrophage infiltration increased significantly in the bronchoalveolar lavage fluid (BALF) and lung tissue of HSF-/- mice compared with the damage observed in HSF1+/+ mice. Upon LPS stimulation, HSF-/- mice showed higher levels of monocyte chemoattractant protein-1 (MCP-1) in the serum, BALF, and lung tissue and increased the expression of MCP-1 and chemokine (C-C motif) receptor 2 (CCR2) on the surface of macrophages compared with those in HSF1+/+. Electrophoretic mobility shift assays (EMSA) and dual luciferase reporter assays revealed that HSF1 could directly bind to heat shock elements (HSE) in the promoter regions of MCP-1 and its receptor CCR2, thereby inhibiting the expression of both genes. We concluded that HSF1 attenuated LPS-induced ALI in mice by directly suppressing the transcription of MCP-1/CCR2, which in turn reduced macrophage infiltration.
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27
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Bousquet J, Cristol JP, Czarlewski W, Anto JM, Martineau A, Haahtela T, Fonseca SC, Iaccarino G, Blain H, Fiocchi A, Canonica GW, Fonseca JA, Vidal A, Choi HJ, Kim HJ, Le Moing V, Reynes J, Sheikh A, Akdis CA, Zuberbier T. Nrf2-interacting nutrients and COVID-19: time for research to develop adaptation strategies. Clin Transl Allergy 2020; 10:58. [PMID: 33292691 PMCID: PMC7711617 DOI: 10.1186/s13601-020-00362-7] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 11/12/2020] [Indexed: 02/07/2023] Open
Abstract
There are large between- and within-country variations in COVID-19 death rates. Some very low death rate settings such as Eastern Asia, Central Europe, the Balkans and Africa have a common feature of eating large quantities of fermented foods whose intake is associated with the activation of the Nrf2 (Nuclear factor (erythroid-derived 2)-like 2) anti-oxidant transcription factor. There are many Nrf2-interacting nutrients (berberine, curcumin, epigallocatechin gallate, genistein, quercetin, resveratrol, sulforaphane) that all act similarly to reduce insulin resistance, endothelial damage, lung injury and cytokine storm. They also act on the same mechanisms (mTOR: Mammalian target of rapamycin, PPARγ:Peroxisome proliferator-activated receptor, NFκB: Nuclear factor kappa B, ERK: Extracellular signal-regulated kinases and eIF2α:Elongation initiation factor 2α). They may as a result be important in mitigating the severity of COVID-19, acting through the endoplasmic reticulum stress or ACE-Angiotensin-II-AT1R axis (AT1R) pathway. Many Nrf2-interacting nutrients are also interacting with TRPA1 and/or TRPV1. Interestingly, geographical areas with very low COVID-19 mortality are those with the lowest prevalence of obesity (Sub-Saharan Africa and Asia). It is tempting to propose that Nrf2-interacting foods and nutrients can re-balance insulin resistance and have a significant effect on COVID-19 severity. It is therefore possible that the intake of these foods may restore an optimal natural balance for the Nrf2 pathway and may be of interest in the mitigation of COVID-19 severity.
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Affiliation(s)
- Jean Bousquet
- Department of Dermatology and Allergy, Charité, Universitätsmedizin Berlin, Humboldt-Universität Zu Berlin, Berlin Institute of Health, Comprehensive Allergy Center, Berlin, Germany. .,University Hospital Montpellier, 273 avenue d'Occitanie, 34090, Montpellier, France. .,MACVIA-France, Montpellier, France.
| | - Jean-Paul Cristol
- Laboratoire de Biochimie et Hormonologie, PhyMedExp, Université de Montpellier, INSERM, CNRS, CHU, Montpellier, France
| | | | - Josep M Anto
- IMIM (Hospital del Mar Research Institute), Barcelona, Spain.,Universitat Pompeu Fabra (UPF), Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain.,ISGlobAL, Barcelona, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
| | - Adrian Martineau
- Institute for Population Health Sciences, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Tari Haahtela
- Skin and Allergy Hospital, Helsinki University Hospital, and University of Helsinki, Helsinki, Finland
| | - Susana C Fonseca
- GreenUPorto - Sustainable Agrifood Production Research Centre, DGAOT, Faculty of Sciences, University of Porto, Campus de Vairão, Vila do Conde, Portugal
| | - Guido Iaccarino
- Department of Advanced Biomedical Sciences, Federico II University, Napoli, Italy
| | - Hubert Blain
- Department of Geriatrics, Montpellier University Hospital, Montpellier, France
| | - Alessandro Fiocchi
- Division of Allergy, Department of Pediatric Medicine, The Bambino Gesu Children's Research Hospital Holy See, Rome, Italy
| | - G Walter Canonica
- Personalized Medicine Asthma and Allergy Clinic-Humanitas University & Research Hospital, IRCCS, Milano, Italy
| | - Joao A Fonseca
- CINTESIS, Center for Research in Health Technology and Information Systems, Faculdade de Medicina da Universidade do Porto; and Medida,, Lda Porto, Porto, Portugal
| | - Alain Vidal
- World Business Council for Sustainable Development (WBCSD) Maison de la Paix, Geneva, Switzerland.,AgroParisTech-Paris Institute of Technology for Life, Food and Environmental Sciences, Paris, France
| | - Hak-Jong Choi
- Microbiology and Functionality Research Group, Research and Development Division, World Institute of Kimchi, Gwangju, Korea
| | - Hyun Ju Kim
- SME Service Department, Strategy and Planning Division, World Institute of Kimchi, Gwangju, Korea
| | | | - Jacques Reynes
- Maladies Infectieuses et Tropicales, CHU, Montpellier, France
| | - Aziz Sheikh
- The Usher Institute of Population Health Sciences and Informatics, The University of Edinburgh, Edinburgh, UK
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Torsten Zuberbier
- Department of Dermatology and Allergy, Charité, Universitätsmedizin Berlin, Humboldt-Universität Zu Berlin, Berlin Institute of Health, Comprehensive Allergy Center, Berlin, Germany
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Methane-Rich Saline Protects Against Sepsis-Induced Liver Damage by Regulating the PPAR-γ/NF-κB Signaling Pathway. Shock 2020; 52:e163-e172. [PMID: 30601406 DOI: 10.1097/shk.0000000000001310] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Sepsis, a life-threatening organ dysfunction due to a dysregulated response to infection, is a common complication of major surgery. Previous studies have shown that methane possesses protective properties. This study aims to investigate the protective effect of methane-rich saline (MRS) on sepsis-induced liver injury. In an in vivo experiment, C57BL/6 mice received cecal ligation and puncture to create a septic model followed by MRS treatment (10 mL/kg, ip treatment) 30 min and 12 h after the operation. We found that methane effectively decreased the serum aspartate aminotransferase, alanine aminotransferase and liver index, as well as the liver pathological damage, and reduced the localized infiltration of inflammatory cells. Methane suppressed the expression of the toll-like receptor 4/nuclear factor-kappa B (NF-κB) signaling pathway and stimulated the expression of peroxisome proliferator-activated receptor-γ (PPAR-γ) during sepsis, which inhibited the activation of NF-κB and decreased the level of inflammatory cytokines, such as tumor necrosis factor-α, interleukin-6, and interleukin-1β. Moreover, we found that MRS treatment relieved reactive oxygen species (ROS) damage by upregulating heme oxygenase-1, superoxide dismutase and glutathione, and downregulating malondialdehyde, which was consistent with the results of dihydroethidium fluorescent staining. MRS treatment also regulated apoptosis-related proteins, such as Bax, Bcl-2, and caspase-3. In the in vitro experiment, HepG2 cells received inflammatory stimulation induced by LPS followed by methane-rich medium (MRM) treatment. We found that MRM alleviated the inflammatory damage, ROS damage and regulated the expression of PPAR-γ/NF-κB. Our data indicated that methane treatment prevented liver damage in sepsis via anti-inflammatory, anti-oxidative, and anti-apoptotic properties that involved the PPAR-γ/ NF-κB signaling pathway.
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29
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Natural Antioxidants: A Review of Studies on Human and Animal Coronavirus. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3173281. [PMID: 32855764 PMCID: PMC7443229 DOI: 10.1155/2020/3173281] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/13/2020] [Indexed: 12/14/2022]
Abstract
The outbreaks of viruses with wide spread and mortality in the world population have motivated the research for new therapeutic approaches. There are several viruses that cause a biochemical imbalance in the infected cell resulting in oxidative stress. These effects may be associated with the development of pathologies and worsening of symptoms. Therefore, this review is aimed at discussing natural compounds with both antioxidant and antiviral activities, specifically against coronavirus infection, in an attempt to contribute to global researches for discovering effective therapeutic agents in the treatment of coronavirus infection and its severe clinical complications. The contribution of the possible action of these compounds on metabolic modulation associated with antiviral properties, in addition to other mechanisms of action, is presented.
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30
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Meegan JE, Shaver CM, Putz ND, Jesse JJ, Landstreet SR, Lee HNR, Sidorova TN, McNeil JB, Wynn JL, Cheung-Flynn J, Komalavilas P, Brophy CM, Ware LB, Bastarache JA. Cell-free hemoglobin increases inflammation, lung apoptosis, and microvascular permeability in murine polymicrobial sepsis. PLoS One 2020; 15:e0228727. [PMID: 32012200 PMCID: PMC6996826 DOI: 10.1371/journal.pone.0228727] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 01/22/2020] [Indexed: 12/28/2022] Open
Abstract
Increased endothelial permeability is central to the pathogenesis of sepsis and leads to organ dysfunction and death but the endogenous mechanisms that drive increased endothelial permeability are not completely understood. We previously reported that cell-free hemoglobin (CFH), elevated in 80% of patients with sepsis, increases lung microvascular permeability in an ex vivo human lung model and cultured endothelial cells. In this study, we augmented a murine model of polymicrobial sepsis with elevated circulating CFH to test the hypothesis that CFH increases microvascular endothelial permeability by inducing endothelial apoptosis. Mice were treated with an intraperitoneal injection of cecal slurry with or without a single intravenous injection of CFH. Severity of illness, mortality, systemic and lung inflammation, endothelial injury and dysfunction and lung apoptosis were measured at selected time points. We found that CFH added to CS increased sepsis mortality, plasma inflammatory cytokines as well as lung apoptosis, edema and inflammation without affecting large vessel reactivity or vascular injury marker concentrations. These results suggest that CFH is an endogenous mediator of increased endothelial permeability and apoptosis in sepsis and may be a promising therapeutic target.
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Affiliation(s)
- Jamie E. Meegan
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Ciara M. Shaver
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Nathan D. Putz
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Jordan J. Jesse
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Stuart R. Landstreet
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Han Noo Ri Lee
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Tatiana N. Sidorova
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - J. Brennan McNeil
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - James L. Wynn
- Departments of Pediatrics, Pathology, Immunology, and Experimental Medicine, University of Florida Health, Gainesville, FL, United States of America
| | - Joyce Cheung-Flynn
- Division of Vascular Surgery, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Padmini Komalavilas
- Division of Vascular Surgery, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Colleen M. Brophy
- Division of Vascular Surgery, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Lorraine B. Ware
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - Julie A. Bastarache
- Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States of America
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN, United States of America
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31
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Fermented soybean meal extract improves oxidative stress factors in the lung of inflammation/infection animal model. ANN MICROBIOL 2019. [DOI: 10.1007/s13213-019-01534-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Abstract
Context
Fermented soybean products have been used in various ways, and more research is being conducted on them to reveal their benefit.
Objective
The objective of this study was to evaluate the antioxidative activity of fermented soybean meal extract by Lactobacillus plantarum in vitro and in vivo tests.
Materials and methods
A Lactobacillus plantarum strain RM10 was selected through plate and fermentation experiment, which increased the degree of protein hydrolysis (1.015 μg/mL) and antioxidant activity in soybean meal fermented by selected bacteria (FSBM). In vivo study was done on septic rats as an inflammation/infection model, and then the trial groups were treated with different concentrations of fermented soybean meal extracts (FSBM, 5, 10, and 20%).
Results
DPPH radical-scavenging and ferrozine ion-chelating activity enhanced (P < 0.05) after fermentation of soybean meal compared to control group. Reduced (P < 0.05) expression of inflammatory genes and enzymes was detected in the lungs of rats treated with fermented soybean meal extract.
Discussion and conclusions
These results demonstrated that a diet containing fermented soybean meal extract improved extreme inflammatory response in an infectious disease like sepsis by reducing inflammatory factors.
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32
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Cui W, Hu G, Peng J, Mu L, Liu J, Qiao L. Quercetin Exerted Protective Effects in a Rat Model of Sepsis via Inhibition of Reactive Oxygen Species (ROS) and Downregulation of High Mobility Group Box 1 (HMGB1) Protein Expression. Med Sci Monit 2019; 25:5795-5800. [PMID: 31377749 PMCID: PMC6691752 DOI: 10.12659/msm.916044] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Background Sepsis is a severe medical condition. Approximately 0.75 million people are diagnosed with sepsis in the USA annually. Several of anti-inflammatory drugs are used to manage sepsis, but with a very low success rate. This study examined the possible protective effects of a naturally occurring flavanone, quercetin, in a rat model of sepsis. Material/Methods The study was carried out using Wistar albino rats. Sepsis was induced by cecal ligation and puncture methods. Histological analysis was performed by hematoxylin and eosin (HE) staining. Reactive oxygen species (ROS) levels were determined by flow cytometery. Superoxide dismutase (SOD), catalase (CAT), and ascorbate peroxidase (APX) activities were determined by standard assays. Protein expression was determined by Western blot analysis. Results The results showed that quercetin reduced the tissue edema, congestion, and hemorrhage, increased the alveolar volume, and helped to maintain the lung anatomy of septic rats. Admistration of quercetin at the dosage of 15 and 20 mg/kg to septic rats caused significant reduction in the ROS levels. The activities and the expression of SOD, CAT, and APX were significantly decreased upon administration of quercetin in the septic rats at the dosage of 15 and 20 mg/kg. The effects of quercetin were also examined on the expression of the High mobility group box 1 (HMGB1) protein in septic rats. The results showed that quercetin caused a significant decrease in HMGB1 protein levels. Conclusions The findings of this study suggest that quercetin has therapeutic potential in the treatment of sepsis.
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Affiliation(s)
- Wenjuan Cui
- Department of Critical Care Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong, China (mainland)
| | - Guoxin Hu
- Department of Critical Care Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong, China (mainland)
| | - Jin Peng
- Department of Critical Care Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong, China (mainland)
| | - Lin Mu
- Department of Critical Care Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong, China (mainland)
| | - Jian Liu
- Department of Critical Care Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong, China (mainland)
| | - Lujun Qiao
- Department of Critical Care Medicine, Shengli Oilfield Central Hospital, Dongying, Shandong, China (mainland)
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Zhang H, Wu X, Ge H, Yuan S. NF-κB expression changes and inflammatory changes in mice with acute lung injury. Panminerva Med 2019; 64:120-121. [PMID: 31362473 DOI: 10.23736/s0031-0808.19.03710-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hong Zhang
- Department of Infectious Disease, General Hospital of Tianjin Medical University, Tianjin, China
| | - Xia Wu
- Department of Traditional Chinese Medicine, General Hospital of Tianjin Medical University, Tianjin, China -
| | - Hongyu Ge
- Department of Infectious Disease, General Hospital of Tianjin Medical University, Tianjin, China
| | - Shuanglong Yuan
- Department of Infectious Disease, General Hospital of Tianjin Medical University, Tianjin, China
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Ozdal ZD, Sahmetlioglu E, Narin I, Cumaoglu A. Synthesis of gold and silver nanoparticles using flavonoid quercetin and their effects on lipopolysaccharide induced inflammatory response in microglial cells. 3 Biotech 2019; 9:212. [PMID: 31114736 DOI: 10.1007/s13205-019-1739-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 05/08/2019] [Indexed: 12/18/2022] Open
Abstract
Quercetin is a plant origin phytochemical with several pharmaceutical activities such as antioxidant, immunomodulatory, and anti-inflammatory effects. However, consumption of quercetin is limited due to its low aqueous solubility and poor bioavailability. The aim of the present study was to synthesize silver and gold nanoparticles of quercetin with a view to improve its aqueous phase solubility and investigate the effects on LPS-induced neuroinflammation in BV-2 microglial cells. The average size of silver and gold-quercetin nanoparticles was 53 and 27 nm, respectively. Absorption peaks in the UV-Vis spectra were observed at 555 and 405 nm for gold and silver-quercetin nanoparticles, respectively. The particle size and mapping of silver and gold-quercetin nanoparticles were also determined using a STEM detector. The inflammatory stimulation of the BV-2 cells with LPS caused an elevated release of proinflammatory prostaglandin, E2, nitric oxide (NO), upregulated cyclooxygenase-2, inducible NO synthase mRNA, and protein levels, which were markedly inhibited by the pretreatment with gold-quercetin nanoparticles (highly soluble in water) without causing any cytotoxic effects. The findings of the present study suggest that the potential of gold-quercetin nanoparticles are much better than quercetin and that gold-quercetin nanoparticles might provide protection against inflammatory neurodegenerative disease via suppression of acute microglial activation.
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Affiliation(s)
| | - Ertugrul Sahmetlioglu
- 2Nanotechnology Research Center, Erciyes University, Kayseri, Turkey
- Safiye Çıkrıkçıoğlu Vocational School, Kayseri University, Kayseri, Turkey
| | - Ibrahim Narin
- 4Department of Analytical Chemistry, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Ahmet Cumaoglu
- 5Department of Biochemistry, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
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Freitas JPA, França FRM, Silva MS, Toms RJ, Silva GFD. EVALUATION OF ANTIOXIDANT ACTIVITY OF NATURAL EXTRACTS ON THE OXIDATIVE STABILITY OF COTTONSEED BIODIESEL. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2019. [DOI: 10.1590/0104-6632.20190362s20180308] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Zhu Y, Fan S, Lu Y, Wei Y, Tang J, Yang Y, Li F, Chen Q, Zheng J, Liu X. Quercetin confers protection of murine sepsis by inducing macrophage M2 polarization via the TRPM2 dependent calcium influx and AMPK/ATF3 activation. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.03.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Arbutin attenuates LPS-induced lung injury via Sirt1/ Nrf2/ NF-κBp65 pathway. Pulm Pharmacol Ther 2019; 54:53-59. [DOI: 10.1016/j.pupt.2018.12.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 11/29/2018] [Accepted: 12/05/2018] [Indexed: 12/30/2022]
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YKL-40 is a local marker for inflammation in patients with pseudoexfoliation syndrome. Eye (Lond) 2018; 33:772-776. [PMID: 30560917 DOI: 10.1038/s41433-018-0308-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 09/07/2018] [Accepted: 10/17/2018] [Indexed: 01/05/2023] Open
Abstract
PURPOSE To investigate the YKL-40, as a marker of inflammation, in aqueous humor and serum of cataract patients with and without pseudoexfoliation syndrome (PEX). METHODS Aqueous humor and serum samples were obtained from 44 patients who underwent phacoemulsification surgery. All patients were divided into two groups: PEX (n = 24) and control (n = 20). YKL-40 levels were measured with enzyme-linked immunosorbent assay (ELISA). The differences between the groups were assessed by using Chi-square and independent sample t-tests. The Pearson correlation coefficient was used to evaluate the correlation between variables. RESULTS There was a significant difference between the mean YKL-40 levels in the aqueous humor of PEX group (112.0 ± 35.8 ng/mL) and control subjects (88.2 ± 30.6 ng/mL) (P = 0.025). However, the difference between the mean YKL-40 levels in the serum of PEX group (53.5 ± 29.1 ng/mL) and control subjects (44.6 ± 30.2 ng/mL) was non-significant (P = 0.326). The correlation between aqueous humor and serum YKL-40 concentrations was significant in both the groups (r = 0.833, P < 0.001; r = 0.840, P < 0.001, respectively). CONCLUSIONS Increased aqueous humor levels of YKL-40 demonstrate that it is local, but not a systemic marker for inflammation in patients with PEX.
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Wang XF, Song SD, Li YJ, Hu ZQ, Zhang ZW, Yan CG, Li ZG, Tang HF. Protective Effect of Quercetin in LPS-Induced Murine Acute Lung Injury Mediated by cAMP-Epac Pathway. Inflammation 2018; 41:1093-1103. [PMID: 29569077 DOI: 10.1007/s10753-018-0761-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Quercetin (Que) as an abundant flavonol element possesses potent antioxidative properties and has protective effect in lipopolysaccharide (LPS)-induced acute lung injury (ALI), but the specific mechanism is still unclear, so we investigated the effect of Que from in vivo and in vitro studies and the related mechanism of cAMP-PKA/Epac pathway. The results in mice suggested that Que can inhibit the release of inflammatory cytokine, block neutrophil recruitment, and decrease the albumin leakage in dose-dependent manners. At the same time, Que can increase the cAMP content of lung tissue, and Epac content, except PKA. The results in epithelial cell (MLE-12) suggested that Que also can inhibit the inflammatory mediators keratinocyte-derived chemokines release after LPS stimulation; Epac inhibitor ESI-09 functionally antagonizes the inhibitory effect of Que; meanwhile, PKA inhibitor H89 functionally enhances the inhibitory effect of Que. Overexpression of Epac1 in MLE-12 suggested that Epac1 enhance the effect of Que. All those results suggested that the protective effect of quercetin in ALI is involved in cAMP-Epac pathway.
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Affiliation(s)
- Xue-Feng Wang
- Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, 310005, China
| | - Shun-de Song
- Zhejiang Respiratory Drugs Research Laboratory, School of Basic Medical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ya-Jun Li
- Zhejiang Respiratory Drugs Research Laboratory, School of Basic Medical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zheng Qiang Hu
- Zhejiang Respiratory Drugs Research Laboratory, School of Basic Medical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zhe-Wen Zhang
- Zhejiang Respiratory Drugs Research Laboratory, School of Basic Medical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Chun-Guang Yan
- Department of Pathogenic Biology and Immunology, Southeast University School of Medicine, Nanjing, 210009, China
| | - Zi-Gang Li
- Department of Anesthesiology, Women's Hospital,School of Medicine, Zhejiang University , Hangzhou, 310006, China
| | - Hui-Fang Tang
- Zhejiang Respiratory Drugs Research Laboratory, School of Basic Medical Sciences, Zhejiang University, Hangzhou, 310058, China.
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Li H, Wang Z, Zhang J, Wang Y, Yu C, Zhang J, Song X, Lv C. Feifukang ameliorates pulmonary fibrosis by inhibiting JAK-STAT signaling pathway. Altern Ther Health Med 2018; 18:234. [PMID: 30092799 PMCID: PMC6085667 DOI: 10.1186/s12906-018-2297-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 07/26/2018] [Indexed: 12/20/2022]
Abstract
Background Feifukang (FFK) is a traditional Chinese medicine composed of herbs that protect lung function. However, difficulty arises regarding the clinical application of FFK due to the complex mechanism of Chinese medicines. This study aimed to investigate the efficacy of FFK and explore its targeted genes and pathways. Methods Histopathological changes and collagen deposition were measured to evaluate the effect of FFK on bleomycin-induced pulmonary fibrosis in mice. The differentially expressed targeted genes and pathways were first screened using RNA sequencing. Then network pharmacology and other experiments were conducted to confirm RNA sequencing data. Results FFK treatment reduced the pathological score and collagen deposition, with a decrease in α-SMA and collagen. RNA sequencing and network pharmacology results all showed that FFK can ameliorate pulmonary fibrosis through multi-genes and multi-pathways. The targeted genes in JAK-STAT signaling pathway are some of the most notable components of these multi-genes and multi-pathways. Further experiments illustrated that FFK regulated phosphorylation of SMAD3, STAT3 and JAK1, and their co-expressed lncRNAs, which all are the important genes in JAK-STAT signaling pathway. Conclusion FFK can ameliorate pulmonary fibrosis by inhibiting JAK-STAT signaling pathway and has potential therapeutic value for lung fibrosis treatment. Our study provides a new idea for the study of traditional Chinese medicine.
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Yanling Q, Xiaoning C, Fei B, Liyun F, Huizhong H, Daqing S. Inhibition of NLRP9b attenuates acute lung injury through suppressing inflammation, apoptosis and oxidative stress in murine and cell models. Biochem Biophys Res Commun 2018; 503:436-443. [PMID: 29655793 DOI: 10.1016/j.bbrc.2018.04.079] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 04/09/2018] [Indexed: 02/07/2023]
Abstract
Acute lung injury (ALI), known a severe disease along with high morbidity and mortality, is lacking of specific therapies. Inflammation, apoptosis and oxidative stress are critical pathologies that contribute to ALI. Recently, there is study indicated that NLRP9b, a NOD-like receptor (NLR) member, is critical in modulation of inflammatory response. However, the effects of NLRP9b on sepsis-associated ALI, and the underlying molecular mechanism have not been understood. In the present study, the wild type (WT) and NLRP9b-knockout (NLRP9b-/-) mice with C57B/L6 background were subjected to a cecal ligation and puncture (CLP) for ALI murine model establishment. The findings indicated that NLRP9b-/- improved the survival rate of CLP-induced ALI mice, and inhibited pulmonary histopathological alterations, inflammation, and apoptosis. NLRP9b-/- reduced the activation of inhibitor of κBα/nuclear factor kappa B (IκBα/NF-κB), apoptosis-associated speck-like protein containing a Caspase-recruitment domain (ASC)/Casapse-1 and Caspase-3/poly (ADP-ribose) polymerase (PARP) signaling pathways in CLP-challenged mice with ALI. In vitro, mouse epithelial cells (MLE-12) were incubated with lipopolysaccharide (LPS) or recombinant NLRP9b caused a significant increased of pro-inflammatory cytokines or chemokine, and reactive oxygen species (ROS) generation; however, these changes were markedly alleviated by NLRP9-knockdown using its specific siRNA sequence. Pre-treatment of MLE-12 cells with ROS scavenger of N-acetylcysteine (NAC) remarkably decreased lipopolysaccharide (LPS)- and rMuNLRP9-induced production of ROS, and the secretion of inflammatory cytokines or chemokine, as well as the activity of IκBα/NF-κB, ASC/Casapse-1 and Caspase-3/PARP signaling pathways. Together, the findings here suggested that NLRP9b played an essential role in lung inflammation, apoptosis and oxidative stress of sepsis-induced ALI animal model or in LPS-induced MLE-12 cells, providing that NLRP9b inhibition might be a potential therapeutic option for ALI.
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Affiliation(s)
- Qiu Yanling
- Department of Pediatric, Baoji Maternal and Child Health Hospital, Baoji City 721000, Shaanxi, China
| | - Cheng Xiaoning
- Department of Pediatric, The Second Affiliated Hospital, Shaanxi University of Traditional Chinese Medicine, Shanxi 712000, China
| | - Bai Fei
- Department of Child Healthcare, Northwest Women and Children Hospital, Xi'an, Shaanxi 710061, China
| | - Fang Liyun
- Department of Pediatric, Xi'an NO.3 Hospital, Xi'an, Shaanxi 710018, China
| | - Hu Huizhong
- Department of Pediatric, Xi'an NO.3 Hospital, Xi'an, Shaanxi 710018, China
| | - Sun Daqing
- Department of Pediatric, Xi'an NO.3 Hospital, Xi'an, Shaanxi 710018, China.
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Nambooppha B, Photichai K, Wongsawan K, Chuammitri P. Quercetin manipulates the expression of genes involved in the reactive oxygen species (ROS) process in chicken heterophils. J Vet Med Sci 2018; 80:1204-1211. [PMID: 29877311 PMCID: PMC6115250 DOI: 10.1292/jvms.17-0112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Chicken heterophils generate reactive oxygen species (ROS) molecules to defend against
invading pathogens. The present study examined effects of quercetin on chicken
heterophils. Heterophils were stimulated with PBS, 50 µM quercetin (QH),
PMA or Escherichia coli (EC) and the resulting intracellular ROS
molecules were determined. Flow cytometry results showed that cells stimulated with QH,
PMA and EC had a higher ROS production. Increases in intracellular ROS molecules were
identified in all treatment groups by fluorescence microscopy. Determination of the
ability of quercetin to manipulate mRNA expression of ROS subunits was assessed using
real-time RT-PCR. Quercetin and other stimulants up-regulated the majority of genes
involved in ROS production: CYBB (NOX2),
NCF1 (p47phox), NCF2
(p67phox), NOX1 and
RAC2. The antioxidant property of QH was explored by measuring mRNA
expression of CAT and SOD1. The data indicate increased
levels of CAT with all treatments; however, only QH attenuated the
expression of the SOD1 gene. To further investigate the effects of
ROS-driven inflammation or cell death, IL6, CASP8 and
MCL1 genes were preferentially tested. The inflammatory gene
(IL6) was profoundly down-regulated in the QH- and PMA-treated groups
while EC induced a strikingly high IL6 expression level. Investigation of
the known apoptotic (CASP8) and anti-apoptotic (MCL1)
genes found down-regulation of CASP8 in the QH- and PMA-treated groups
which were contradicted to the MCL1 gene. In conclusion, quercetin can
enhance ROS production by regulating the expression of genes involved in ROS production as
well as in subsequent processes.
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Affiliation(s)
- Boondarika Nambooppha
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Kornravee Photichai
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Kanreuthai Wongsawan
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Phongsakorn Chuammitri
- Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand.,Excellent Center in Veterinary Biosciences (ECVB), Department of Veterinary Biosciences and Public Health, Chiang Mai University, Chiang Mai 50100, Thailand
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Khalil SR, Mohammed AT, Abd El-fattah AH, Zaglool AW. Intermediate filament protein expression pattern and inflammatory response changes in kidneys of rats receiving doxorubicin chemotherapy and quercetin. Toxicol Lett 2018; 288:89-98. [DOI: 10.1016/j.toxlet.2018.02.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 02/09/2018] [Accepted: 02/14/2018] [Indexed: 12/28/2022]
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Quercetin attenuates AZT-induced neuroinflammation in the CNS. Sci Rep 2018; 8:6194. [PMID: 29670213 PMCID: PMC5906611 DOI: 10.1038/s41598-018-24618-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/04/2018] [Indexed: 02/06/2023] Open
Abstract
Highly active anti-retroviral therapy (HAART) is very effective in suppressing HIV-1 replication in patients. However, continuous HAART is required to prevent viral rebound, which may have detrimental effects in various tissues, including persistent neuroinflammation in the central nervous system (CNS). Here, we show that quercetin (3,5,7,3’,4’-pentahydroxy flavones), a natural antioxidant used in Chinese traditional medicines, suppresses the neuroinflammation that is induced by chronic exposure to Zidovudine (azidothymidine, AZT), a nucleoside reverse transcriptase inhibitor (NRTI) that is commonly part of HAART regimens. We found that the up-regulation of pro-inflammatory cytokines and microglial and astrocytic markers induced by AZT (100 mg/kg/day; 8 days) was significantly inhibited by co-administration of quercetin (50 mg/kg/day) in the mouse cortex, hippocampus and spinal cord. We further showed that quercetin attenuated AZT-induced up-regulation of Wnt5a, a key regulator of neuroinflammation. These results suggest that quercetin has an inhibitory effect on AZT-induced neuroinflammation in the CNS, and Wnt5a signaling may play an important role in this process. Our results may further our understanding of the mechanisms of HAART-related neurotoxicity and help in the development of effective adjuvant therapy.
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Lactate as a Potential Biomarker of Sepsis in a Rat Cecal Ligation and Puncture Model. Mediators Inflamm 2018; 2018:8352727. [PMID: 29706801 PMCID: PMC5863333 DOI: 10.1155/2018/8352727] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 11/18/2017] [Accepted: 12/13/2017] [Indexed: 02/06/2023] Open
Abstract
We attempted to investigate whether blood lactate is a useful biomarker for sepsis in a rat cecal ligation and puncture (CLP) model. Male Sprague-Dawley rats underwent approximately 75% cecum ligation and two punctures to induce high-grade sepsis. A lactate of 1.64 mmol/L (Youden score of 0.722) was selected as the best cutoff value to predict the onset of sepsis after CLP exposure; 46 of 50 rats who survived 24 hours after the CLP were divided into the L group (lactate < 1.64 mmol/L) and M group (lactate ≥ 1.64 mmol/L). In the M group, the animals had significantly higher murine sepsis scores and none survived 5 days post-CLP, and the rate of validated septic animals, serum procalcitonin, high mobility group box 1, blood urea nitrogen, alanine transaminase, cardiac troponin I, and the wet-to-dry weight ratio were significantly higher compared to the L group. Worsen PaO2/FiO2, microcirculations, and mean arterial pressure were observed in the M group. More severe damage in major organs was confirmed by histopathological scores in the M group compared with the L group. In conclusion, lactate ≥ 1.64 mmol/L might serve as a potential biomarker to identify the onset of sepsis in a rat CLP model.
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5-HT Drives Mortality in Sepsis Induced by Cecal Ligation and Puncture in Mice. Mediators Inflamm 2017; 2017:6374283. [PMID: 28694565 PMCID: PMC5485362 DOI: 10.1155/2017/6374283] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 04/30/2017] [Indexed: 01/09/2023] Open
Abstract
Sepsis is defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection with a high mortality. 5-Hydroxytryptamine (5-HT) is an important regulatory factor in inflammation. The aim of this study is to investigate the role of 5-HT on cecal ligation and puncture- (CLP-) induced sepsis in the mouse model. CLP was performed on C57B/6 wild-type (WT) mice and tryptophan hydroxylase 1 (TPH1) knockout (KO) mice. The results showed that the 5-HT-sufficient group mice had a significantly lower survival rate than the 5-HT-deficient group in CLP-induced sepsis and septic shock. The KO-CLP sepsis group received a lower clinical score than the WT-CLP sepsis group. Meanwhile, the body temperature of mice in the KO-CLP sepsis group was higher than that in the WT-CLP sepsis group and was much closer to the normal body temperature 24 hours after CLP. The tissue histopathology analysis revealed that 5-HT markedly exacerbated histological damages in the peritoneum, lung, liver, kidney, intestinal tissue, and heart in sepsis. Moreover, significant lower levels of TNF-α, IL-6, bacterial loads, MPO, and ROS were discovered in the KO-CLP sepsis group in contrast to the WT-CLP sepsis group. In conclusion, 5-HT drives mortality and exacerbates organ dysfunction by promoting serum cytokines and bacterial loads as well as facilitating oxidative stress in the process of sepsis.
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Xu D, Lv Y, Wang J, Yang M, Kong L. Deciphering the mechanism of Huang-Lian-Jie-Du-Decoction on the treatment of sepsis by formula decomposition and metabolomics: Enhancement of cholinergic pathways and inhibition of HMGB-1/TLR4/NF-κB signaling. Pharmacol Res 2017; 121:94-113. [PMID: 28434923 DOI: 10.1016/j.phrs.2017.04.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/18/2017] [Accepted: 04/13/2017] [Indexed: 02/07/2023]
Abstract
Sepsis is the major cause of morbidity and mortality in surgical patients. Huang-Lian-Jie-Du-Decoction (HLJDD), a well-known Chinese herb formula, has long been used for the treatment of sepsis. In this investigation, by leaving one herb out each time, the four component herbs of HLJDD were reformulated to four HLJDD variants Form1-4, corresponding to the removal of Phellodendri Chinensis Cortex, Scutellariae Radix, Gardeniae Fructu and Coptidis Rhizoma, respectively. Metabolomics approach combined with histological inspection, biochemical measurement and molecular biology was used to investigate the treatment effects of HLJDD and its four variants on cecal ligation and puncture (CLP) model of sepsis, which were compared to decipher the formulating principles of HLJDD. Our results showed that HLJDD exhibit the strongest therapeutic effects in the CLP models as compared with the four variants, which could be ascribed to its most significant enhancement of cholinergic anti-inflammatory pathway and inhibition of HMGB-1/TLR4/NF-κB signaling pathway. Most of all, metabolites changed specifically between groups of HLJDD and its four variants were related with the exceptional treatment effects of HLJDD.
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Affiliation(s)
- Dingqiao Xu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Yan Lv
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Junsong Wang
- Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing, 210014, People's Republic of China.
| | - Minghua Yang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People's Republic of China.
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The Effects of Ferulic Acid Against Oxidative Stress and Inflammation in Formaldehyde-Induced Hepatotoxicity. Inflammation 2017; 39:1377-86. [PMID: 27235018 DOI: 10.1007/s10753-016-0369-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
This study was designed to elucidate the protective effects of ferulic acid (FA) on formaldehyde-induced hepatotoxicity by measuring some routine biochemical parameters, cytokine levels, and oxidative stress-related parameters in addition to YKL-40 in male Wistar albino rats. Tissue superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) activities, and tissue malondialdehyde (MDA) levels were measured. Also, serum YKL-40, TNF-α, IL-6, IL-1β, IL-8, total protein, albumin, total bilirubin concentrations, and AST, ALT, ALP, and LDH activities were measured. Histological specimens were examined in light microscopy. Formaldehyde significantly increased tissue MDA, and serum cytokine levels and also decreased activities of antioxidant enzymes. FA treatment decreased MDA and cytokine levels and increased activities of antioxidant enzymes. FA also alleviated degeneration due to formaldehyde toxicity. We suggested that FA can be used as a promising hepatoprotective agent against formaldehyde toxicity because of the obvious beneficial effects on oxidative stress parameters.
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El-Tanbouly GS, El-Awady MS, Megahed NA, Salem HA, El-Kashef HA. The NF-κB inhibitor celastrol attenuates acute hepatic dysfunction induced by cecal ligation and puncture in rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 50:175-182. [PMID: 28189063 DOI: 10.1016/j.etap.2017.02.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 01/12/2017] [Accepted: 02/03/2017] [Indexed: 06/06/2023]
Abstract
Acute hepatic dysfunction associating sepsis is mediated mainly by toll-like receptor-4 (TLR-4)/nuclear factor kappa-B (NF-κB) inflammatory pathway. This study explores potential hepatoprotective effect of the NF-κB inhibitor celastrol in cecal ligation and puncture (CLP) model in rats. Protective effect of celastrol (1mg/kg, i.p., 1h before CLP) was illustrated after 24h by preventing CLP-induced hepatic histopathological changes and elevation in serum hepatic biomarkers [alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin (TB) and gamma aminotransferase (γ-GT)] without affecting mortality. Celastrol anti-inflammatory effect was illustrated by inhibiting increased serum and hepatic mRNA expression of interleukin-6 (IL-6) without affecting IL-10 elevation. Furthermore, celastrol inhibited CLP-induced elevations in hepatic mRNA expression of nuclear factor inhibitory protein kappa-B alpha (NFκBia), TLR-4, 5-lipoxygenase (5-LOX) and prevented NF-κB/p65 nuclear translocation and activation. In conclusion, celastrol prevented CLP-induced acute hepatic dysfunction through its anti-inflammatory effect by attenuating NF-κB activation, TLR-4 and 5-LOX expression with subsequent reduction in pro-inflammatory IL-6.
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Affiliation(s)
- Ghada S El-Tanbouly
- Department of Pharmacology and Biochemistry, Faculty of Pharmacy, Delta University for science and technology, Gamasa, Egypt
| | - Mohammed S El-Awady
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt.
| | - Nermeen A Megahed
- Department of Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Hatem A Salem
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Hassan A El-Kashef
- Department of Pharmacology and Biochemistry, Faculty of Pharmacy, Delta University for science and technology, Gamasa, Egypt; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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