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He P, Hao J, Kong LF, Wotan A, Yan P, Geng YC, Wang Y, Li ZY, Hu SX, Ren B, Rong XJ, Tie C. Resolvin and lipoxin metabolism network regulated by Hyssopus Cuspidatus Boriss extract in asthmatic mice. Prostaglandins Other Lipid Mediat 2024; 170:106803. [PMID: 38040190 DOI: 10.1016/j.prostaglandins.2023.106803] [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: 08/18/2023] [Revised: 11/07/2023] [Accepted: 11/28/2023] [Indexed: 12/03/2023]
Abstract
Resolvin (Rv) and lipoxin (Lx) play important regulative roles in the development of several inflammation-related diseases. The dysregulation of their metabolic network is believed to be closely related to the occurrence and development of asthma. The Hyssopus Cuspidatus Boriss extract (SXCF) has long been used as a treatment for asthma, while the mechanism of anti-inflammatory and anti-asthma action targeting Rv and Lx has not been thoroughly investigated. In this study, we aimed to investigate the effects of SXCF on Rv, Lx in ovalbumin (OVA)-sensitized asthmatic mice. The changes of Rv, Lx before and after drug administration were analyzed based on high sensitivity chromatography-multiple response monitoring (UHPLC-MRM) analysis and multivariate statistics. The pathology exploration included behavioral changes of mice, IgE in serum, cytokines in BALF, and lung tissue sections stained with H&E. It was found that SXCF significantly modulated the metabolic disturbance of Rv, Lx due to asthma. Its modulation effect was significantly better than that of dexamethasone and rosmarinic acid which is the first-line clinical medicine and the main component of Hyssopus Cuspidatus Boriss, respectively. SXCF is demonstrated to be a potential anti-asthmatic drug with significant disease-modifying effects on OVA-induced asthma. The modulation of Rv and Lx is a possible underlying mechanism of the SXCF effects.
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Affiliation(s)
- Ping He
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Juan Hao
- Xinjiang Huachun Biological Pharmaceutical Co., Urumqi, China
| | - Ling-Fei Kong
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Ayidana Wotan
- Xinjiang Institute of Material Medica, Urumqi, China
| | - Pan Yan
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Yi-Cong Geng
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Yi Wang
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Zheng-Ying Li
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China
| | - Shi-Xian Hu
- Xinjiang Huachun Biological Pharmaceutical Co., Urumqi, China
| | - Bin Ren
- Xinjiang Huachun Biological Pharmaceutical Co., Urumqi, China
| | | | - Cai Tie
- State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, China University of Mining and Technology-Beijing, Beijing, China; School of Chemical and Environmental Engineering, China University of Mining and Technology-Beijing, Beijing, China.
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Jiao Y, Zhang T, Liu M, Zhou L, Qi M, Xie X, Shi X, Gu X, Ma Z. Exosomal PGE2 from M2 macrophages inhibits neutrophil recruitment and NET formation through lipid mediator class switching in sepsis. J Biomed Sci 2023; 30:62. [PMID: 37533081 PMCID: PMC10394797 DOI: 10.1186/s12929-023-00957-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 07/24/2023] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND Excess polymorphonuclear neutrophil (PMN) recruitment or excessive neutrophil extracellular trap (NET) formation can lead to the development of multiple organ dysfunction during sepsis. M2 macrophage-derived exosomes (M2-Exos) have exhibited anti-inflammatory activities in some inflammatory diseases to mediate organ functional protection, but their role in treating sepsis-related acute lung injury (ALI) remains unclear. In this study, we sought to investigate whether M2-Exos could prevent potentially deleterious inflammatory effects during sepsis-related ALI by modulating abnormal PMN behaviours. METHODS C57BL/6 wild-type mice were subjected to a caecal ligation and puncture (CLP) mouse model to mimic sepsis in vivo, and M2-Exos were administered intraperitoneally 1 h after CLP. H&E staining, immunofluorescence and immunohistochemistry were conducted to investigate lung tissue injury, PMN infiltration and NET formation in the lung. We further demonstrated the role of M2-Exos on PMN function and explored the potential mechanisms through an in vitro coculture experiment using PMNs isolated from both healthy volunteers and septic patients. RESULTS Here, we report that M2-Exos inhibited PMN migration and NET formation, alleviated lung injury and reduced mortality in a sepsis mouse model. In vitro, M2-Exos significantly decreased PMN migration and NET formation capacity, leading to lipid mediator class switching from proinflammatory leukotriene B4 (LTB4) to anti-inflammatory lipoxin A4 (LXA4) by upregulating 15-lipoxygenase (15-LO) expression in PMNs. Treatment with LXA4 receptor antagonist attenuated the effect of M2-Exos on PMNs and lung injury. Mechanistically, prostaglandin E2 (PGE2) enriched in M2-Exos was necessary to increase 15-LO expression in PMNs by functioning on the EP4 receptor, upregulate LXA4 production to downregulate chemokine (C-X-C motif) receptor 2 (CXCR2) and reactive oxygen species (ROS) expressions, and finally inhibit PMN function. CONCLUSIONS Our findings reveal a previously unknown role of M2-Exos in regulating PMN migration and NET formation through lipid mediator class switching, thus highlighting the potential application of M2-Exos in controlling PMN-mediated tissue injury in patients with sepsis.
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Affiliation(s)
- Yang Jiao
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China
| | - Ti Zhang
- National Clinical Research Center of Kidney Diseases, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Mei Liu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China
| | - Luyang Zhou
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China
| | - Mengzhi Qi
- Department of Intensive Care Unit, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Xin Xie
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China
| | - Xueyin Shi
- Department of Anesthesiology and Intensive Care Unit, Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, 1665 Kongjiang Road, Shanghai, 200092, China.
| | - Xiaoping Gu
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China.
| | - Zhengliang Ma
- Department of Anesthesiology, Nanjing Drum Tower Hospital, The Affliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, China.
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Yasmeen N, Selvaraj H, Lakhawat SS, Datta M, Sharma PK, Jain A, Khanna R, Srinivasan J, Kumar V. Possibility of averting cytokine storm in SARS-COV 2 patients using specialized pro-resolving lipid mediators. Biochem Pharmacol 2023; 209:115437. [PMID: 36731803 PMCID: PMC9884647 DOI: 10.1016/j.bcp.2023.115437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023]
Abstract
Fatal "cytokine storms (CS)" observed in critically ill COVID-19 patients are consequences of dysregulated host immune system and over-exuberant inflammatory response. Acute respiratory distress syndrome (ARDS), multi-system organ failure, and eventual death are distinctive symptoms, attributed to higher morbidity and mortality rates among these patients. Consequent efforts to save critical COVID-19 patients via the usage of several novel therapeutic options are put in force. Strategically, drugs being used in such patients are dexamethasone, remdesivir, hydroxychloroquine, etc. along with the approved vaccines. Moreover, it is certain that activation of the resolution process is important for the prevention of chronic diseases. Until recently Inflammation resolution was considered a passive process, rather it's an active biochemical process that can be achieved by the use of specialized pro-resolving mediators (SPMs). These endogenous mediators are an array of atypical lipid metabolites that include Resolvins, lipoxins, maresins, protectins, considered as immunoresolvents, but their role in COVID-19 is ambiguous. Recent evidence from studies such as the randomized clinical trial, in which omega 3 fatty acid was used as supplement to resolve inflammation in COVID-19, suggests that direct supplementation of SPMs or the use of synthetic SPM mimetics (which are still being explored) could enhance the process of resolution by regulating the aberrant inflammatory process and can be useful in pain relief and tissue remodeling. Here we discussed the biosynthesis of SPMs, & their mechanistic pathways contributing to inflammation resolution along with sequence of events leading to CS in COVID-19, with a focus on therapeutic potential of SPMs.
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Affiliation(s)
- Nusrath Yasmeen
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Harikrishnan Selvaraj
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Sudarshan S Lakhawat
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Manali Datta
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Pushpender K Sharma
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Ajay Jain
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India
| | - Rakhi Khanna
- Rajasthan State Regional Forensic Science Laboratory, Kota, Rajasthan, India
| | | | - Vikram Kumar
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur, Rajasthan, India.
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Rangarajan S, Orujyan D, Rangchaikul P, Radwan MM. Critical Role of Inflammation and Specialized Pro-Resolving Mediators in the Pathogenesis of Atherosclerosis. Biomedicines 2022; 10:2829. [PMID: 36359349 PMCID: PMC9687471 DOI: 10.3390/biomedicines10112829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2023] Open
Abstract
Recent research on how the body resolves this inflammation is gaining traction and has shed light on new avenues for future management of cardiovascular diseases. In this narrative review, we discuss the pathophysiological mechanisms of atherosclerosis, the recent development in the understanding of a new class of molecules called Specialized Pro-resolving Mediators (SPMs), and the impact of such findings in the realm of cardiovascular treatment options. We searched the MEDLINE database restricting ourselves to original research articles as much as possible on the complex pathophysiology of atherosclerosis and the role of SPMs. We expect to see further research in translating these findings to bedside clinical trials in treating conditions with a pathophysiological basis of inflammation, such as coronary artery disease, asthma, and periodontal disease.
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Affiliation(s)
- Subhapradha Rangarajan
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Davit Orujyan
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Patrida Rangchaikul
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Mohamed M. Radwan
- Department of Translational Research, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
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Pioch J, Blomgran R. Optimized flow cytometry protocol for dihydrorhodamine 123-based detection of reactive oxygen species in leukocyte subpopulations in whole blood. J Immunol Methods 2022; 507:113308. [PMID: 35760097 DOI: 10.1016/j.jim.2022.113308] [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: 02/16/2022] [Revised: 05/14/2022] [Accepted: 06/21/2022] [Indexed: 11/17/2022]
Abstract
Reactive oxygen species (ROS) and the ability of immune cells to mount an oxidative burst represent an important defense during microbial invasion, but is also recognized for playing a significant role in the progression of inflammatory disorders and disease. Although neutrophils produce the strongest ROS-response, other leukocytes and their cell subsets could play a significant role. Isolation of specific cells for determining their ROS-response can affect their functionality and is laborious or hard to replicate in different settings. We have therefore established a whole blood assay, that only requires 100 μL heparinized blood and utilizes the dihydrorhodamine (DHR) 123 ROS-probe combined with cell surface antibody staining for the specific detection of ROS in several subsets of cells simultaneously using flow cytometry. Although the flow markers chosen are interchangeable with other direct conjugated and cell specific antibodies depending on the research question, we focused on neutrophils (SSChighCD16brightHLA-DRneg/low), eosinophils (SSChighCD16lowHLA-DRlow/negCD193positiveCD125positive) and monocyte subsets (SSCintermediateHLA-DRhighCD14low-positiveCD16negative-positive). As a RBC-lysis reagent we compared BD FACS Lysis Solution to the in-house prepared ammonium-chloride‑potassium based ACK Lysis Buffer, that does not fix or permeabilize the immune cells. We find that ACK-lysis of stimulated and stained samples results in superior surface staining, decreased loss of cell subsets, and enhanced resolution of the DHR-signal. Compared to the other cells analyzed in healthy blood donors, neutrophils responded with the highest ROS-response to all tested stimuli (fMLP (low stimuli), E. coli, and PMA (high stimuli)), where eosinophils and the three monocyte subsets also showed an extensive ROS-response when stimulated with E. coli or PMA. Our assay provides the possibility for researchers to examine the ROS-response of specific cell subsets in specific patient groups ex vivo and could also allow the analysis of pharmacological intervention studies targeting ROS, which ultimately can advance the field of immunological research.
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Affiliation(s)
- Jonathan Pioch
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, Sweden
| | - Robert Blomgran
- Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences, Linköping University, Sweden.
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Liu X, Wang C, Pang L, Pan L, Zhang Q. Combination of resolvin E1 and lipoxin A4 promotes the resolution of pulpitis by inhibiting NF-κB activation through upregulating sirtuin 7 in dental pulp fibroblasts. Cell Prolif 2022; 55:e13227. [PMID: 35411569 PMCID: PMC9136498 DOI: 10.1111/cpr.13227] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/24/2022] [Accepted: 03/15/2022] [Indexed: 11/26/2022] Open
Abstract
Objectives To determine whether the combination of resolvin E1 (RvE1) and lipoxin A4 (LXA4) could promote resolution of pulpitis and to investigate the mechanism. Materials and Methods Preliminary screening was first conducted in four specialized pro‐resolving mediators (SPMs). Real‐time quantitative polymerase chain reaction, western blotting, enzyme‐linked immunosorbent assay and double‐immunofluorescence labelling were employed to assess the expression of RelA, SIRT1, SIRT6, SIRT7 and pro‐inflammatory factors. Dental pulp fibroblasts (DPFs) were transfected with siRNA to assess the biological role of SIRT7. A pulpitis model was utilized to evaluate the in vivo curative effect. Results Preliminary results showed that RvE1 and LXA4 reduced the expression of RelA more markedly than other two SPMs. Both RvE1 and LXA4 treatment downregulated nuclear factor kappa B (NF‐κB) activation and increased the expression of SIRT1, SIRT6 and SIRT7, more so in combination than alone. Double‐immunofluorescence labelling showed that SIRT7 co‐localized with p‐p65 and Ac‐p65 in the nucleus. Inhibiting ChemR23 and ALX reversed the expression of RelA mRNA, p‐p65 and Ac‐p65 proteins, pro‐inflammatory factors, SIRT1, SIRT6 and SIRT7. Silencing SIRT7 significantly increased p‐p65 and Ac‐p65 protein levels and decreased SIRT1 and SIRT6 expression. In vivo experiments showed that combined administration of RvE1 and LXA4 promoted pulpitis markedly to resolution. Conclusions Combination of RvE1 and LXA4 effectively inhibited NF‐κB activation by upregulating SIRT7 expression in DPFs, leading to reduced production of pro‐inflammatory factors and promotion of pulpitis resolution.
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Affiliation(s)
- Xiaochen Liu
- Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Chunmeng Wang
- Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Liping Pang
- Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Liangliang Pan
- Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Qi Zhang
- Department of Endodontics, School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
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