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Guo K, Yin Y, Zheng L, Wu Z, Rao X, Zhu W, Zhou B, Liu L, Liu D. Integration of microbiomics, metabolomics, and transcriptomics reveals the therapeutic mechanism underlying Fuzheng-Qushi decoction for the treatment of lipopolysaccharide-induced lung injury in mice. JOURNAL OF ETHNOPHARMACOLOGY 2024; 334:118584. [PMID: 39019418 DOI: 10.1016/j.jep.2024.118584] [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: 05/22/2024] [Revised: 07/12/2024] [Accepted: 07/13/2024] [Indexed: 07/19/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fuzheng-Qushi decoction (FZQS) is a practical Chinese herbal formula for relieving cough and fever. Therefore, the action and specific molecular mechanism of FZQS in the treatment of lung injury with cough and fever as the main symptoms need to be further investigated. AIMS OF THE STUDY To elucidate the protective effects of FZQS against lung injury in mice and reveal its potential targets and key biological pathways for the treatment of lung injury based on transcriptomics, microbiomics, and untargeted metabolomics analyses. MATERIALS AND METHODS Lipopolysaccharide (LPS) was used to induce a mouse model of lung injury, followed by the administration of FZQS. ELISA was used to detect IL-1β, IL-6, IL-17A, IL-4, IL-10, and TNF-α, in mouse lung tissues. Macrophage polarization and neutrophil activation were measured by flow cytometry. RNA sequencing (RNA-seq) was applied to screen for differentially expressed genes (DEGs) in lung tissues. RT-qPCR and Western blot assays were utilized to validate key DEGs and target proteins in lung tissues. 16S rRNA sequencing was employed to characterize the gut microbiota of mice. Metabolites in the gut were analyzed using untargeted metabolomics. RESULTS FZQS treatment significantly ameliorated lung histopathological damage, decreased pro-inflammatory cytokine levels, and increased anti-inflammatory cytokine levels. M1 macrophage levels in the peripheral blood decreased, M2 macrophage levels increased, and activated neutrophils were inhibited in mice with LPS-induced lung injury. Importantly, transcriptomic analysis showed that FZQS downregulated macrophage and neutrophil activation and migration and adhesion pathways by reversing 51 DEGs, which was further confirmed by RT-qPCR and Western blot analysis. In addition, FZQS modulated the dysbiosis of the gut microbiota by reversing the abundance of Corynebacterium, Facklamia, Staphylococcus, Paenalcaligenes, Lachnoclostridium, norank_f_Muribaculaceae, and unclassified_f_Lachnospiraceae. Meanwhile, metabolomics analysis revealed that FZQS significantly regulated tryptophan metabolism by reducing the levels of 3-Indoleacetonitrile and 5-Hydroxykynurenine. CONCLUSION FZQS effectively ameliorated LPS-induced lung injury by inhibiting the activation, migration, and adhesion of macrophages and neutrophils and modulating gut microbiota and its metabolites.
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Affiliation(s)
- Kaien Guo
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China
| | - Yuting Yin
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China
| | - Linxin Zheng
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China
| | - Zenan Wu
- Department of Postgraduate, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China
| | - Xiaoyong Rao
- National Engineering Center for Manufacturing Technology of Solid Preparations of Traditional Chinese Medicine Manufacturing Technology, Nanchang, 330004, Jiangxi Province, China
| | - Weifeng Zhu
- Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China
| | - Bugao Zhou
- Department of Research, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China.
| | - Liangji Liu
- Affiliated Hospital, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China.
| | - Duanyong Liu
- Formula-pattern Research Center, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China; School of Nursing, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi Province, China.
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Ji C, Hao X, Li Z, Liu J, Yan H, Ma K, Li L, Zhang L. Phillyrin prevents sepsis-induced acute lung injury through inhibiting the NLRP3/caspase-1/GSDMD-dependent pyroptosis signaling pathway. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 39394820 DOI: 10.3724/abbs.2024161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2024] Open
Abstract
Acute lung injury (ALI) is a severe pulmonary disorder of sepsis with high clinical incidence and mortality. Nucleotide-binding oligomerization domain-like receptor family pyrin domain containing 3 (NLRP3)-cysteinyl aspartate specific proteinase 1-gasdermin D (GSDMD)-dependent pyroptosis of alveolar epithelial cells (AECs) has emerged as a crucial contributor to ALI during sepsis. Phillyrin (PHI), a natural lignan isolated from the traditional Chinese herbal medicine Forsythia suspensa, has been shown to have anti-inflammatory, antioxidant and antiviral properties. However, little is known about the protective role and potential mechanism of PHI in sepsis-induced ALI, and it is uncertain whether the protective effect of PHI in sepsis-induced ALI is connected to pyroptosis. This study aims to examine the preventive effects of PHI on sepsis-induced ALI via the inhibition of NLRP3/caspase-1/GSDMD-mediated pyroptosis in AECs. Our findings demonstrate that preadministration of PHI successfully reduces sepsis-induced pulmonary edema, systemic/pulmonary inflammation, and pulmonary histological damage in lung tissues, bronchoalveolar lavage fluid, and the serum of septic mice. Intriguingly, PHI preadministration suppresses sepsis-induced protein expressions of pyroptosis-specific markers, especially their active forms. In vitro assays show that PHI pretreatment also protects type II AECs (MLE-12) from lipopolysaccharide-induced pyroptosis by preventing the activation of the pyroptosis signaling pathway. The results from molecular docking and surface plasmon resonance reveal that PHI has a significant affinity for direct binding to the GSDMD protein, suggesting that GSDMD is a potential pharmacological target for PHI. In conclusion, PHI can prevent sepsis-triggered ALI by effectively suppressing the activation of the canonical pyroptosis signaling pathway and pyroptosis of AECs.
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Affiliation(s)
- Chen Ji
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
| | - Xiaoyan Hao
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
| | - Zhiyi Li
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
| | - Jiaxing Liu
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
| | - Hanyu Yan
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
| | - Ketao Ma
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, the first Affiliated Hospital, Shihezi University, Shihezi 832008, China
| | - Ling Li
- Medical Teaching Experimental Center, School of Medicine, Shihezi University, Shihezi 832003, China
| | - Liang Zhang
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi 832003, China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, the first Affiliated Hospital, Shihezi University, Shihezi 832008, China
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Chen Y, Ma W, Zhao J, Stanton C, Ross RP, Zhang H, Chen W, Yang B. Lactobacillus plantarum Ameliorates Colorectal Cancer by Ameliorating the Intestinal Barrier through the CLA-PPAR-γ Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:19766-19785. [PMID: 39186442 DOI: 10.1021/acs.jafc.4c02824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
Colorectal cancer (CRC) is the third-largest cancer worldwide. Lactobacillus can regulate the intestinal barrier and gut microbiota. However, the mechanisms of Lactobacillus that alleviate CRC remained unknown. This study aimed to explore the regulatory effect of Lactobacillus plantarum on CRC and its potential mechanism. CCFM8661 treatment significantly ameliorated CRC compared with phosphate-buffered solution (PBS) treatment in ApcMin/+ mice. In addition, conjugated linoleic acid (CLA) was proved to be the key metabolite for CCFM8661 in ameliorating CRC by molecular biology techniques. Peroxisome proliferator-activated receptor γ (PPAR-γ) was proved to be the key receptor in ameliorating CRC by inhibitor intervention experiments. Moreover, supplementation with CCFM8661 ameliorated CRC by producing CLA to inhibit NF-κB pathway and pro-inflammatory cytokines, up-regulate ZO-1, Claudin-1, and MUC2, and promote tumor cell apoptosis in a PPAR-γ-dependent manner. Metagenomic analysis showed that CCFM8661 treatment significantly increased Odoribacter splanchnicus, which could ameliorate CRC by repairing the intestinal barrier. Clinical results showed that intestinal CLA, butyric acid, PPAR-γ, and Lactobacillus were significantly decreased in CRC patients, and these indicators were significantly negatively correlated with CRC. CCFM8661 alleviated CRC by ameliorating the intestinal barrier through the CLA-PPAR-γ axis. These results will promote the development of dietary probiotic supplements for CRC.
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Affiliation(s)
- Yang Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, China
- Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei University of Technology, Wuhan 430068, Hubei, China
| | - Weiwei Ma
- College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Catherine Stanton
- International Joint Research Laboratory for Maternal-Infant Microbiota and Health, Jiangnan University, Wuxi 214122, Jiangsu, China
- Teagasc Food Research Centre, Moorepark, Fermoy, Cork P61 C996, Ireland
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland
| | - R Paul Ross
- International Joint Research Laboratory for Maternal-Infant Microbiota and Health, Jiangnan University, Wuxi 214122, Jiangsu, China
- Teagasc Food Research Centre, Moorepark, Fermoy, Cork P61 C996, Ireland
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland
| | - Hao Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Wei Chen
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Bo Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, Jiangsu, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, China
- International Joint Research Laboratory for Maternal-Infant Microbiota and Health, Jiangnan University, Wuxi 214122, Jiangsu, China
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Sholihah IA, Barlian A. Anti-Inflammatory Potency of Human Wharton's Jelly Mesenchymal Stem Cell-Derived Exosomes on L2 Cell Line Induced by Lipopolysaccharides. Adv Pharm Bull 2024; 14:434-444. [PMID: 39206409 PMCID: PMC11347737 DOI: 10.34172/apb.2024.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 09/04/2024] Open
Abstract
Purpose At present, therapeutic interventions to treat acute lung injury (ALI) remain largely limited to lung-protective strategies, as no real molecular-driven therapeutic intervention has yet become available. The administration of bacterial lipopolysaccharides (LPS) is known as an inflammatory activator, representing a frequently used model of ALI. This study investigated the biological function of normoxic (21% O2 ) vs. hypoxic conditions (5% O2 ) obtained from human Wharton's Jelly mesenchymal stem cells (hWJ-MSCs) and discovered that exosomes have the ability to suppress inflammatory responses by specifically targeting TNF-α, IL-1β, IL-6. and identify the toll-like receptor 4 (TLR4) NF-κβ gene expression. Methods Primer culture hWJ-MSCs characterization with trilineage differentiation and CD markers was conducted. To obtain exosomes, hWJ-MSCs were stimulated with two different oxygen levels: 21% (nor-exo) and 5% (hypo-exo). Then, the L2 cell line was induced with LPS 1 µg/mL. Inflamed-L2 was treated with nor-exo, hypo-exo, and dexamethasone as a positive control. The RNA extracted from treated L2 cells was utilized to examine the gene expression profiles of TLR4 and NF-κβ, and the medium was used to measure tumor necrosis factor α (TNF-α), interleukin (IL)-1β, and IL-6 levels using ELISA. Lastly, proteomic analysis of the exosome using LC/MS-MS was conducted. Results Nor-exo and hypo-exo can be characterized and can produce higher yields exosomes under hypoxic conditions. The expression of TLR4 and NF-κβ genes and the proinflammatory levels such as IL-6, IL-1β, and TNF-α levels in nor-exo and hypo-exo treatments decreased. Conclusion Nor-exo and hypo-exo derived from hWJ-MSCs were proven to have anti-inflammatory activities.
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Affiliation(s)
- Ika Adhani Sholihah
- School of Life Sciences and Technology, Institut Teknologi Bandung, Jl. Ganesha No.10, Bandung 40132, Indonesia
| | - Anggraini Barlian
- School of Life Sciences and Technology, Institut Teknologi Bandung, Jl. Ganesha No.10, Bandung 40132, Indonesia
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Bandung, West Java 40132, Indonesia
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Wang J, Xue X, Zhao X, Luo L, Liu J, Dai S, Zhang F, Wu R, Liu Y, Peng C, Li Y. Forsythiaside A alleviates acute lung injury by inhibiting inflammation and epithelial barrier damages in lung and colon through PPAR-γ/RXR-α complex. J Adv Res 2024; 60:183-200. [PMID: 37579917 PMCID: PMC11156707 DOI: 10.1016/j.jare.2023.08.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 07/04/2023] [Accepted: 08/09/2023] [Indexed: 08/16/2023] Open
Abstract
INTRODUCTION Acute lung injury (ALI) is a lung disease characterized by inflammation and still requires further drug development. Forsythiaside A as the active compound of Forsythiae Fructus has the therapeutic potential for ALI. OBJECTIVE To investigate the mechanism of forsythiaside A in treating ALI through PPAR-γ and its conjugate RXR-α based on gut-lung axis. METHODS This study constructed in vitro and in vivo injury models using LPS and TNF-α. Forsythiaside A was used for the drug treatment, and RXR-α inhibitor UVI3003 was used to interfere with PPAR-γ/RXR-α complexes in the cells. HE staining was used for histopathological examination. Serum endotoxin contents were determined using limulus lysate kit. IHC staining and Western blot were conducted to assess the protein expressions. ELISA was applied to examine the content of pro-inflammatory cytokines in the cell supernatants. The protein interactions were analyzed via CO-IP. RESULTS In vivo results showed that forsythiaside A regulated PPAR-γ/RXR-α and inhibited TLR4/MAPK/NF-κB and MLCK/MLC2 signal pathways, thus inhibiting inflammation and epithelial barrier damages of lung and colon in ALI mice induced by intratracheal LPS. PPAR-γ/RXR-α were promoted by forsythiaside A in lungs, whereas inhibited by forsythiaside A in colons. Additionally, in vitro results showed that forsythiaside A suppressed inflammation and epithelial barrier damages in macrophages and lung/colon epithelial cells, by manipulating PPAR-γ/RXR-α to suppress the LPS- and TNF-α-induced activation of TLR4/MAPK/NF-κB and NF-κB/MLCK/MLC2 signal pathways. Moreover, further mechanism study indicated that forsythiaside A showed a cell-specific regulatory effect on PPAR-γ/RXR-α complex. Specifically, the PPAR-γ/RXR-α protein interactions were promoted by forsythiaside A in LPS-induced macrophages RAW264.7 and TNF-α-induced lung epithelial cells A549, but inhibited by forsythiaside A in TNF-α-induced colon epithelial cells SW620. CONCLUSION In the treatment of ALI, Forsythiaside A inhibited inflammation and epithelial barrier damages of lung and colon through its regulation on PPAR-γ/RXR-α complex.
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Affiliation(s)
- Jing Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xinyan Xue
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xingtao Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Lin Luo
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Juan Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shu Dai
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fang Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rui Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yanfang Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yunxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Li JJ, Chen ZH, Liu CJ, Kang YS, Tu XP, Liang H, Shi W, Zhang FX. The phytochemistry, pharmacology, pharmacokinetics, quality control, and toxicity of Forsythiae Fructus: An updated systematic review. PHYTOCHEMISTRY 2024; 222:114096. [PMID: 38641141 DOI: 10.1016/j.phytochem.2024.114096] [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: 11/07/2023] [Revised: 02/02/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
Forsythiae Fructus (FF), the dried fruit of F. suspensa, is commonly used to treat fever, inflammation, etc in China or other Asian countries. FF is usually used as the core herb in traditional Chinese medicine preparations for the treatment of influenza, such as Shuang-huang-lian oral liquid and Yin-qiao powder, etc. Since the wide application and core role of FF, its research progress was summarized in terms of traditional uses, phytochemistry, pharmacology, pharmacokinetics, quality control, and toxicity. Meanwhile, the anti-influenza substances and mechanism of FF were emphasized. Till now, a total of 290 chemical components are identified in F. suspensa, and among them, 248 components were isolated and identified from FF, including 42 phenylethanoid glycosides, 48 lignans, 59 terpenoids, 14 flavonoids, 3 steroids, 24 cyclohexyl ethanol derivatives, 14 alkaloids, 26 organic acids, and 18 other types. FF and their pure compounds have the pharmacological activities of anti-virus, anti-inflammation, anti-oxidant, anti-bacteria, anti-tumor, neuroprotection, hepatoprotection, etc. Inhibition of TLR7, RIG-I, MAVS, NF-κB, MyD88 signaling pathway were the reported anti-influenza mechanisms of FF and phenylethanoid glycosides and lignans are the main active groups. However, the bioavailability of phenylethanoid glycosides and lignans of FF in vivo was low, which needed to be improved. Simultaneously, the un-elucidated compounds and anti-influenza substances of FF strongly needed to be explored. The current quality control of FF was only about forsythoside A and phillyrin, more active components should be taken into consideration. Moreover, there are no reports of toxicity of FF yet, but the toxicity of FF should be not neglected in clinical applications.
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Affiliation(s)
- Jin-Jin Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China
| | - Zi-Hao Chen
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China
| | - Cheng-Jun Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China
| | - Yu-Shuo Kang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China
| | - Xin-Pu Tu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China
| | - Hong Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China.
| | - Wei Shi
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China.
| | - Feng-Xiang Zhang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, PR China.
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Su Y, Lucas R, Fulton DJ, Verin AD. Mechanisms of pulmonary endothelial barrier dysfunction in acute lung injury and acute respiratory distress syndrome. CHINESE MEDICAL JOURNAL PULMONARY AND CRITICAL CARE MEDICINE 2024; 2:80-87. [PMID: 39006829 PMCID: PMC11242916 DOI: 10.1016/j.pccm.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Endothelial cells (ECs) form a semi-permeable barrier between the interior space of blood vessels and the underlying tissues. Pulmonary endothelial barrier integrity is maintained through coordinated cellular processes involving receptors, signaling molecules, junctional complexes, and protein-regulated cytoskeletal reorganization. In acute lung injury (ALI) or its more severe form acute respiratory distress syndrome (ARDS), the loss of endothelial barrier integrity secondary to endothelial dysfunction caused by severe pulmonary inflammation and/or infection leads to pulmonary edema and hypoxemia. Pro-inflammatory agonists such as histamine, thrombin, bradykinin, interleukin 1β, tumor necrosis factor α, vascular endothelial growth factor, angiopoietin-2, and platelet-activating factor, as well as bacterial toxins and reactive oxygen species, cause dynamic changes in cytoskeletal structure, adherens junction disorganization, and detachment of vascular endothelial cadherin (VE-cadherin) from the actin cytoskeleton, leading to an increase in endothelial permeability. Endothelial interactions with leukocytes, platelets, and coagulation enhance the inflammatory response. Moreover, inflammatory infiltration and the associated generation of pro-inflammatory cytokines during infection cause EC death, resulting in further compromise of the structural integrity of lung endothelial barrier. Despite the use of potent antibiotics and aggressive intensive care support, the mortality of ALI is still high, because the mechanisms of pulmonary EC barrier disruption are not fully understood. In this review, we summarized recent advances in the studies of endothelial cytoskeletal reorganization, inter-endothelial junctions, endothelial inflammation, EC death, and endothelial repair in ALI and ARDS, intending to shed some light on the potential diagnostic and therapeutic targets in the clinical management of the disease.
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Affiliation(s)
- Yunchao Su
- Department of Pharmacology & Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Research Service, Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30912, USA
| | - Rudolf Lucas
- Department of Pharmacology & Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - David J.R. Fulton
- Department of Pharmacology & Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Alexander D. Verin
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
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Zhou C, Xia Q, Hamezah HS, Fan Z, Tong X, Han R. Efficacy of Forsythia suspensa (Thunb.) Vahl on mouse and rat models of inflammation-related diseases: a meta-analysis. Front Pharmacol 2024; 15:1288584. [PMID: 38500762 PMCID: PMC10946063 DOI: 10.3389/fphar.2024.1288584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 02/22/2024] [Indexed: 03/20/2024] Open
Abstract
Objective: To evaluate the efficacy of the fruits of the medicinal plant Forsythia suspensa (Thunb.) Vahl (FS), in treating inflammation-associated diseases through a meta-analysis of animal models, and also probe deeply into the signaling pathways underlying the progression of inflammation. Materials and methods: All data analyses were performed using Review Manager 5.3 and the results are presented as flow diagrams, risk-of-bias summaries, forest plots, and funnel plots. Summary estimates were calculated using a random- or fixed-effect model, depending on the value of I2. Results: Of the 710 records identified in the initial search, 11 were selected for the final meta-analysis. Each study extracted data from the model and treatment groups for analysis, and the results showed that FS alleviated the inflammatory cytokine levels in serum; oxidant indicator: reactive oxygen species; enzymes of liver function; endotoxin and regulatory cells in blood; and improved the antioxidant enzyme superoxide dismutase. Conclusion: FS effectively reversed the change in acute or chronic inflammation indicators in animal models, and the regulation of multiple channel proteins in inflammatory signaling pathways suggests that FS is a good potential drug for inflammatory disease drug therapy.
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Affiliation(s)
- Chenyu Zhou
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Quan Xia
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | | | - Zheng Fan
- Affiliated Taihe Hospital of Chinese Medicine, Anhui University of Chinese Medicine, Taihe, China
| | - Xiaohui Tong
- School of Life Sciences, Anhui University of Chinese Medicine, Hefei, China
- Functional Activity and Resource Utilization on Edible and Medicinal Fungi Joint Laboratory of Anhui Province, Jinzhai, China
| | - Rongchun Han
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Joint Research Center for Chinese Herbal Medicine of Anhui of IHM, Anhui University of Chinese Medicine, Hefei, China
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Lv W, Jin W, Lin J, Wang Z, Ma Y, Zhang W, Zhu Y, Hu Y, Qu Q, Guo S. Forsythia suspensa polyphenols regulate macrophage M1 polarization to alleviate intestinal inflammation in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 125:155336. [PMID: 38295660 DOI: 10.1016/j.phymed.2024.155336] [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: 10/25/2023] [Revised: 12/16/2023] [Accepted: 01/01/2024] [Indexed: 02/13/2024]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) was a chronic intestinal disease related to autoimmunity, and its pathogenesis was complex. Forsythia suspensa (F. suspensa) had good anti-inflammatory and antioxidant effects. The active component polyphenols had significant effects in the treatment of intestinal inflammation. Researches had found that polarization, pyroptosis and apoptosis of macrophages can drive the occurrence and development of colitis. PURPOSE In this study, we examined whether F. suspensa polyphenols (FPP) mitigated DSS-induced colitis, and explored its potential mechanisms. METHODS The potential targets of F. suspensa in intestinal inflammation were predicted through network pharmacology. Using LPS and IFN-γ induced macrophage M1 polarization in J774A.1 cells. Macrophage polarization was detected through RT-qPCR, flow cytometry and ELISA. Ulcerative colitis (UC) in mice was induced by 2.5% DSS for 7 days, and then oral administrated different doses of FPP for another 7 days. Then we assessed the body weight, diarrhea, bleeding in stool, colon length, cytokines of serum and pathology of colon. The effects of FPP on the gut microbiota in mice also tested and evaluated. RESULTS Our results showed that the main active ingredient of F. suspensa in protecting intestinal inflammation were polyphenols and F. suspensa was multi-targeted in the treatment of intestinal inflammation. FPP inhibited M1 polarization and polarizes towards M2 in J774A.1 cells. FPP inhibited pyroptosis and apoptosis to exert anti-inflammatory effects. FPP had a good protective effect on DSS induced UC in mice. In unison, FPP inhibited M1 polarization, apoptosis, and pyroptosis in UC mice. FPP regulated intestinal homeostasis in mice with UC by improving the gut microbiota and enhancing the intestinal metabolites short-chain fatty acid (SCFAs). CONCLUSIONS These data indicated that FPP may alleviate UC by inhibiting M1 polarization in mice. Collectively, these findings suggest that the reduction of colitis by FPP may related to macrophage polarization, pyroptosis and apoptosis.
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Affiliation(s)
- Weijie Lv
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Wenxin Jin
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Jin Lin
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Zhihua Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yimu Ma
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Wenbo Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yongqi Zhu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yifan Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Qian Qu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.
| | - Shining Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China; Guangdong Research Center for Veterinary Traditional Chinese Medicine and Natural Medicine Engineering Technology, Guangzhou 510642, Guangdong, China.
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Huang Q, Le Y, Li S, Bian Y. Signaling pathways and potential therapeutic targets in acute respiratory distress syndrome (ARDS). Respir Res 2024; 25:30. [PMID: 38218783 PMCID: PMC10788036 DOI: 10.1186/s12931-024-02678-5] [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: 09/30/2023] [Accepted: 01/03/2024] [Indexed: 01/15/2024] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a common condition associated with critically ill patients, characterized by bilateral chest radiographical opacities with refractory hypoxemia due to noncardiogenic pulmonary edema. Despite significant advances, the mortality of ARDS remains unacceptably high, and there are still no effective targeted pharmacotherapeutic agents. With the outbreak of coronavirus disease 19 worldwide, the mortality of ARDS has increased correspondingly. Comprehending the pathophysiology and the underlying molecular mechanisms of ARDS may thus be essential to developing effective therapeutic strategies and reducing mortality. To facilitate further understanding of its pathogenesis and exploring novel therapeutics, this review provides comprehensive information of ARDS from pathophysiology to molecular mechanisms and presents targeted therapeutics. We first describe the pathogenesis and pathophysiology of ARDS that involve dysregulated inflammation, alveolar-capillary barrier dysfunction, impaired alveolar fluid clearance and oxidative stress. Next, we summarize the molecular mechanisms and signaling pathways related to the above four aspects of ARDS pathophysiology, along with the latest research progress. Finally, we discuss the emerging therapeutic strategies that show exciting promise in ARDS, including several pharmacologic therapies, microRNA-based therapies and mesenchymal stromal cell therapies, highlighting the pathophysiological basis and the influences on signal transduction pathways for their use.
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Affiliation(s)
- Qianrui Huang
- Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095, Jie Fang Avenue, Wuhan, 430030, China
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095, Jie Fang Avenue, Wuhan, 430030, China
| | - Yue Le
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, 87 Dingjia Bridge, Hunan Road, Gu Lou District, Nanjing, 210009, China
| | - Shusheng Li
- Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095, Jie Fang Avenue, Wuhan, 430030, China.
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095, Jie Fang Avenue, Wuhan, 430030, China.
| | - Yi Bian
- Department of Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095, Jie Fang Avenue, Wuhan, 430030, China.
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1095, Jie Fang Avenue, Wuhan, 430030, China.
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Zhou Y, Li QX, Liao ZZ, Liu Y, Ouyang Y, Jiang WJ, Tang MT, Hu JF, Zhang W. Anti-inflammatory effect and component analysis of Chaihu Qingwen granules. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116763. [PMID: 37315646 DOI: 10.1016/j.jep.2023.116763] [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: 03/08/2023] [Revised: 06/04/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE As prevalent acute respiratory condition in clinical practice, acute lung injury has a quick start and severe symptoms which can harm patients physically. Chaihu Qingwen granules (CHQW) is a classic formula for the treatment of respiratory diseases. Clinical observation shows that CHQW has good efficacy in treating colds, coughs, and fevers. AIM OF THE STUDY The aim of this study was to investigate the anti-inflammatory effect of CHQW on lipopolysaccharide (LPS)-induced acute lung injury (ALI) model in rats and to explore its potential mechanism, as well as to clarify its substance composition. MATERIALS AND METHODS Male SD rats were randomly divided into the blank group, the model group, the ibuprofen group, the Lianhua Qingwen capsule group and the CHQW group (2, 4 and 8 g/kg, respectively). The LPS-induced acute lung injury (ALI) model in rats was established after pre-administration. The histopathological changes in the lung and the levels of inflammatory factors in bronchoalveolar lavage fluid (BALF) and serum of ALI rats were observed. The inflammation-related proteins toll-like receptor 4 (TLR4), inhibitory kappa B alpha (IκBα), phospho-IκBα (p-IκBα), nuclear-factor-kappa B (NF-κB), and NLR family pyrin domain containing 3(NLRP3) expression levels were measured by western blotting analysis and immunohistochemical analysis. The chemical composition of CHQW was identified by liquid chromatography-quadrupole-time of flight-mass spectrometry (LC-Q-TOF-MS). RESULTS CHQW significantly ameliorated lung tissue pathological injury in LPS-induced ALI rats and decreased the release of inflammatory cytokines (interleukin-1β, interleukin-17 and tumor necrosis factor-α) in BALF and serum. In addition, CHQW decreased the expression of TLR4, p-IκBα and NF-κB proteins, increased the level of IκBα, regulated the TLR4/NF-κB signaling pathway, and inhibited the activation of NLRP3. The chemical components of CHQW were analyzed by LC-Q-TOF-MS, and a total of 48 components were identified by combining information from the literature, mainly flavonoids, organic acids, lignans, iridoids and phenylethanoid glycosides. CONCLUSION The results of this study showed that the pretreatment of CHQW had a strong protective effect on LPS-induced ALI in rats, reducing lung tissue lesions and decreasing inflammatory cytokines released in BALF and serum. The protective mechanism of CHQW may be related to the inhibition of the TLR4/NF-κB signaling pathway and NLRP3 activation. The main active ingredients of CHQW are flavonoids, organic acids, lignans, iridoids and phenylethanoid glycosides.
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Affiliation(s)
- Ying Zhou
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China.
| | - Qing-Xian Li
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China; School of Pharmacy, Nanchang University, Nanchang 330006, China
| | - Zheng-Zheng Liao
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Yang Liu
- Department of Laboratory Medicine, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Ying Ouyang
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China; School of Pharmacy, Nanchang University, Nanchang 330006, China
| | - Wen-Jing Jiang
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China; School of Pharmacy, Nanchang University, Nanchang 330006, China
| | - Meng-Ting Tang
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China; School of Pharmacy, Nanchang University, Nanchang 330006, China
| | - Jin-Fang Hu
- Department of Pharmacy, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China.
| | - Wei Zhang
- Department of Respiratory, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China.
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Gong C, Wu J, Li H, Luo C, Ji G, Guan X, Liu J, Wang M. METTL3 achieves lipopolysaccharide-induced myocardial injury via m 6A-dependent stabilization of Myh3 mRNA. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119503. [PMID: 37245538 DOI: 10.1016/j.bbamcr.2023.119503] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/30/2023]
Abstract
Septic cardiomyopathy (SCM) was an important pathological component of severe sepsis and septic shock. N6-methyladenosine (m6A) modification was a common RNA modification in both mRNA and non-coding RNAs and was proved to be involved in sepsis and immune disorders. Therefore, the purpose of this study was to investigate the role and mechanism of METTL3 in lipopolysaccharide-induced myocardial injury. We firstly analyzed the expression changes of various m6A-related regulators in human samples in the GSE79962 data and the Receiver Operating Characteristic curve of significantly changed m6A enzymes, showing that METTL3 had a high diagnostic ability in patients with SCM. Western blotting confirmed the high expression of METTL3 in LPS-treated H9C2 cells, which was consistent with the above results in human samples. In vitro and in vivo, the deficiency of METTL3 could improve the cardiac function, cardiac tissue damage, myocardial cell apoptosis and reactive oxygen species levels in LPS-treated H9C2 cells and LPS-induced sepsis rats, respectively. In addition, we obtained 213 differential genes through transcriptome RNA-seq analysis, and conducted GO enrichment analysis and KEGG pathway analysis through DAVID. We also found that the half-life of Myh3 mRNA was significantly reduced after METTL3 deletion and that Myh3 carried several potential m6A modification sites. In conclusion, we found that downregulation of METTL3 reversed LPS-induced myocardial cell and tissue damage and reduced cardiac function, mainly by increasing Myh3 stability. Our study revealed a key role of METTL3-mediated m6A methylation in septic cardiomyopathy, which may offer a potential mechanism for the therapy of septic cardiomyopathy.
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Affiliation(s)
- Chengwu Gong
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Department of Cardiothoracic Surgery, Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi 330006, China
| | - Jinlong Wu
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China
| | - Hao Li
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China
| | - Congcong Luo
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China
| | - Guangyu Ji
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China
| | - Xin Guan
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China
| | - Jichun Liu
- Department of Cardiothoracic Surgery, Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi 330006, China.
| | - Mingsong Wang
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China.
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Li RJ, Xu JY, Wang X, Liao LJ, Wei X, Xie P, Xu WY, Xu ZY, Xie SH, Jiang YY, Huang L, Wang LY, Huang GR, Huang YQ. Therapeutic effect of demethylated hydroxylated phillygenin derivative on Helicobacter pylori infection. Front Microbiol 2023; 14:1071603. [PMID: 37275170 PMCID: PMC10235509 DOI: 10.3389/fmicb.2023.1071603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 05/04/2023] [Indexed: 06/07/2023] Open
Abstract
Modifying and transforming natural antibacterial products is a novel idea for developing new efficacious compounds. Phillygenin has an inhibitory effect on H. pylori. The aim of the present study was to prepare a phillygenin derivative (PHI-Der) through demethylation and hydroxylation. The minimum inhibitory concentration of 18 strains of H. pylori from different sources was 8-32 μg/mL in vitro, and the activity increased 2-8 times than that of phillygenin. PHI-Der could significantly inhibit the colonization of H. pylori in vivo, reduce the inflammatory response, and promote the repair of inflammatory damage. Further, we used SwissTargetPrediction to predict that its main targets are ALOX5, MCL1, and SLC6A4, and find that it can inhibit bacterial biofilm formation and reduce bacterial infection of cells. It can enhance the intracellular oxidative capacity of H. pylori to inhibit H. pylori growth. Further, it could prevent the oxidation of H. pylori-infected cells and reduce the inflammatory response, which plays a role in protection. In conclusion, compared to phillygenin, PHI-Der had better antibacterial activity and was more effective in treating H. pylori infection. It has characteristics of high safety, specificity, resistance to drug resistance and better antibacterial activity than phillygenin, it's a good antioxidant for host cells.
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Affiliation(s)
- Ru-Jia Li
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
- Clinical Laboratory of 980 Hospital of PLA Joint Logistics Support Force (Bethune International Peace Hospital), Shijiazhuang, Hebei, China
| | - Jia-yin Xu
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Xue Wang
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Li-juan Liao
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Xian Wei
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Ping Xie
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Wen-yan Xu
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Zhen-yi Xu
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Shuo-hua Xie
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Yu-ying Jiang
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Liang Huang
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Lu-yao Wang
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Gan-rong Huang
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Yan-Qiang Huang
- Key Laboratory of the Prevention and Treatment of Drug Resistant Microbial Infecting (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
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