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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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Zhao Y, Ting KK, Coleman P, Qi Y, Chen J, Vadas M, Gamble J. The Tumour Vasculature as a Target to Modulate Leucocyte Trafficking. Cancers (Basel) 2021; 13:cancers13071724. [PMID: 33917287 PMCID: PMC8038724 DOI: 10.3390/cancers13071724] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/29/2021] [Accepted: 04/03/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Tumour blood vessels, characterised by abnormal morphology and function, create an immunosuppressive tumour microenvironment via restricting the appropriate leucocyte subsets trafficking. Strategies to trigger phenotypic alteration in tumour vascular system to resemble normal vascular system, named vascular normalisation, promote effective trafficking of leucocytes into tumours through enhancing the interactions between leucocytes and endothelial cells. This review specifically demonstrates how targeting tumour blood vessels modulates the critical steps of leucocyte trafficking. Furthermore, selective regulation of leucocyte subsets trafficking in tumours can be achieved by vasculature-targeting strategies, contributing to improved immunotherapy and thereby delayed tumour progression. Abstract The effectiveness of immunotherapy against solid tumours is dependent on the appropriate leucocyte subsets trafficking and accumulating in the tumour microenvironment (TME) with recruitment occurring at the endothelium. Such recruitment involves interactions between the leucocytes and the endothelial cells (ECs) of the vessel and occurs through a series of steps including leucocyte capture, their rolling, adhesion, and intraluminal crawling, and finally leucocyte transendothelial migration across the endothelium. The tumour vasculature can curb the trafficking of leucocytes through influencing each step of the leucocyte recruitment process, ultimately producing an immunoresistant microenvironment. Modulation of the tumour vasculature by strategies such as vascular normalisation have proven to be efficient in facilitating leucocyte trafficking into tumours and enhancing immunotherapy. In this review, we discuss the underlying mechanisms of abnormal tumour vasculature and its impact on leucocyte trafficking, and potential strategies for overcoming the tumour vascular abnormalities to boost immunotherapy via increasing leucocyte recruitment.
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Affiliation(s)
- Yang Zhao
- Department of Biochemistry and Molecular Biology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Correspondence: (Y.Z.); (J.G.); Tel.: +86-025-85811237 (Y.Z.); +61-02-95656225 (J.G.)
| | - Ka Ka Ting
- Vascular Biology Program, Centenary Institute, The University of Sydney, Sydney 2050, Australia; (K.K.T.); (P.C.); (Y.Q.); (M.V.)
| | - Paul Coleman
- Vascular Biology Program, Centenary Institute, The University of Sydney, Sydney 2050, Australia; (K.K.T.); (P.C.); (Y.Q.); (M.V.)
| | - Yanfei Qi
- Vascular Biology Program, Centenary Institute, The University of Sydney, Sydney 2050, Australia; (K.K.T.); (P.C.); (Y.Q.); (M.V.)
| | - Jinbiao Chen
- Liver Injury and Cancer Program, Centenary Institute, The University of Sydney, Sydney 2050, Australia;
| | - Mathew Vadas
- Vascular Biology Program, Centenary Institute, The University of Sydney, Sydney 2050, Australia; (K.K.T.); (P.C.); (Y.Q.); (M.V.)
| | - Jennifer Gamble
- Vascular Biology Program, Centenary Institute, The University of Sydney, Sydney 2050, Australia; (K.K.T.); (P.C.); (Y.Q.); (M.V.)
- Correspondence: (Y.Z.); (J.G.); Tel.: +86-025-85811237 (Y.Z.); +61-02-95656225 (J.G.)
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Mollinedo F. Neutrophil Degranulation, Plasticity, and Cancer Metastasis. Trends Immunol 2019; 40:228-242. [PMID: 30777721 DOI: 10.1016/j.it.2019.01.006] [Citation(s) in RCA: 205] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/13/2019] [Accepted: 01/14/2019] [Indexed: 02/08/2023]
Abstract
Neutrophils are the first responders to inflammation and infection. Recently, an elevated neutrophil-to-lymphocyte ratio has generally become a prognostic indicator of poor overall survival in cancer. Accordingly, heterogeneous ill-defined neutrophil-like populations have been increasingly recognized as important players in cancer development. In addition, neutrophil granule proteins released upon cell activation have been associated with tumor progression; this differential granule mobilization may allow neutrophils - and possibly associated cancer cells - to leave the bloodstream and enter inflamed/infected tissues. This review discusses and proposes how granule mobilization may facilitate neutrophil-mediated transport of cancer cells into different tissues as well as leading to different cellular phenotypes that underlie remarkable neutrophil plasticity. This concept might inform novel neutrophil-centered approaches to putative cancer therapies.
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Affiliation(s)
- Faustino Mollinedo
- Laboratory of Cell Death and Cancer Therapy, Department of Molecular Biomedicine, Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), Calle Ramiro de Maeztu 9, E-28040 Madrid, Spain.
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Roweth HG, Cook AA, Moroi M, Bonna AM, Jung SM, Bergmeier W, Sage SO, Jarvis GE. Two novel, putative mechanisms of action for citalopram-induced platelet inhibition. Sci Rep 2018; 8:16677. [PMID: 30420683 PMCID: PMC6232110 DOI: 10.1038/s41598-018-34389-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/12/2018] [Indexed: 02/02/2023] Open
Abstract
Citalopram, a selective serotonin reuptake inhibitor (SSRI), inhibits platelet function in vitro. We have previously shown that this action is independent of citalopram's ability to block serotonin uptake by the serotonin transporter and must therefore be mediated via distinct pharmacological mechanisms. We now report evidence for two novel and putative mechanisms of citalopram-induced platelet inhibition. Firstly, in platelets, citalopram blocked U46619-induced Rap1 activation and subsequent platelet aggregation, but failed to inhibit U46619-induced increases in cytosolic Ca2+. Similarly, in neutrophils, citalopram inhibited Rap1 activation and downstream functions but failed to block PAF-induced Ca2+ mobilisation. In a cell-free system, citalopram also reduced CalDAG-GEFI-mediated nucleotide exchange on Rap1B. Secondly, the binding of anti-GPVI antibodies to resting platelets was inhibited by citalopram. Furthermore, citalopram-induced inhibition of GPVI-mediated platelet aggregation was instantaneous, reversible and displayed competitive characteristics, suggesting that these effects were not caused by a reduction in GPVI surface expression, but by simple competitive binding. In conclusion, we propose two novel, putative and distinct inhibitory mechanisms of action for citalopram: (1) inhibition of CalDAG-GEFI/Rap1 signalling, and (2) competitive antagonism of GPVI in platelets. These findings may aid in the development of novel inhibitors of CalDAG-GEFI/Rap1-dependent nucleotide exchange and novel GPVI antagonists.
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Affiliation(s)
- Harvey G. Roweth
- 0000000121885934grid.5335.0Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Aaron A. Cook
- 0000000122483208grid.10698.36Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - Masaaki Moroi
- 0000000121885934grid.5335.0Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Arkadiusz M. Bonna
- 0000000121885934grid.5335.0Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Stephanie M. Jung
- 0000000121885934grid.5335.0Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Wolfgang Bergmeier
- 0000000122483208grid.10698.36Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - Stewart O. Sage
- 0000000121885934grid.5335.0Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Gavin E. Jarvis
- 0000000121885934grid.5335.0Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
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Zhu W, Shen H, Zhang JG, Zhang L, Zeng Y, Huang HL, Zhao YC, He H, Zhou Y, Wu KH, Tian Q, Zhao LJ, Deng FY, Deng HW. Cytosolic proteome profiling of monocytes for male osteoporosis. Osteoporos Int 2017; 28:1035-1046. [PMID: 27844135 PMCID: PMC5779619 DOI: 10.1007/s00198-016-3825-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 10/27/2016] [Indexed: 11/30/2022]
Abstract
In male Caucasians with discordant hip bone mineral density (BMD), we applied the subcellular separation and proteome profiling to investigate the monocytic cytosol. Three BMD-associated proteins (ALDOA, MYH14, and Rap1B) were identified based on multiple omics evidence, and they may influence the pathogenic mechanisms of osteoporosis by regulating the activities of monocytes. INTRODUCTION Osteoporosis is a serious public health problem, leading to significant mortality not only in aging females but also in males. Peripheral blood monocytes (PBMs) play important roles in bone metabolism by acting as precursors of osteoclasts and producing cytokines important for osteoclast development. The first cytosolic sub-proteome profiling analysis was performed in male PBMs to identify differentially expressed proteins (DEPs) that are associated with BMDs and risk of osteoporosis. METHODS Here, we conducted a comparative proteomics analysis in PBMs from Caucasian male subjects with discordant hip BMD (29 low BMD vs. 30 high BMD). To decrease the proteome complexity and expand the coverage range of the cellular proteome, we separated the PBM proteome into several subcellular compartments and focused on the cytosolic fractions, which are involved in a wide range of fundamental biochemical processes. RESULTS Of the total of 3796 detected cytosolic proteins, we identified 16 significant (P < 0.05) and an additional 22 suggestive (P < 0.1) DEPs between samples with low vs. high hip BMDs. Some of the genes for DEPs, including ALDOA, MYH14, and Rap1B, showed an association with BMD in multiple omics studies (proteomic, transcriptomic, and genomic). Further bioinformatics analysis revealed the enrichment of DEPs in functional terms for monocyte proliferation, differentiation, and migration. CONCLUSIONS The combination strategy of subcellular separation and proteome profiling allows an in-depth and refined investigation into the composition and functions of cytosolic proteome, which may shed light on the monocyte-mediated pathogenic mechanisms of osteoporosis.
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Affiliation(s)
- W Zhu
- College of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, China
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - H Shen
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - J-G Zhang
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - L Zhang
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Y Zeng
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
- College of Life Sciences and Bioengineering, Beijing Jiaotong University, Beijing, 100044, China
| | - H-L Huang
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Y-C Zhao
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - H He
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Y Zhou
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - K-H Wu
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Q Tian
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - L-J Zhao
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - F-Y Deng
- Center for Genetic Epidemiology and Genomics, Soochow University School of Public Health, Suzhou, Jiangsu, 215123, China
| | - H-W Deng
- College of Life Sciences, Hunan Normal University, Changsha, Hunan, 410081, China.
- Center for Bioinformatics and Genomics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, 70112, USA.
- College of Life Sciences and Bioengineering, Beijing Jiaotong University, Beijing, 100044, China.
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