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Ashkenazi-Preiser H, Reuven O, Uzan-Yulzari A, Komisarov S, Cirkin R, Turjeman S, Even C, Twaik N, Ben-Meir K, Mikula I, Cohen-Daniel L, Meirow Y, Pikarsky E, Louzoun Y, Koren O, Baniyash M. The Cross-talk Between Intestinal Microbiota and MDSCs Fuels Colitis-associated Cancer Development. Cancer Res Commun 2024; 4:1063-1081. [PMID: 38506672 PMCID: PMC11017962 DOI: 10.1158/2767-9764.crc-23-0421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/24/2023] [Accepted: 03/15/2024] [Indexed: 03/21/2024]
Abstract
Intestinal chronic inflammation is associated with microbial dysbiosis and accumulation of various immune cells including myeloid-derived suppressor cells (MDSC), which profoundly impact the immune microenvironment, perturb homeostasis and increase the risk to develop colitis-associated colorectal cancer (CAC). However, the specific MDSCs-dysbiotic microbiota interactions and their collective impact on CAC development remain poorly understood. In this study, using a murine model of CAC, we demonstrate that CAC-bearing mice exhibit significantly elevated levels of highly immunosuppressive MDSCs, accompanied by microbiota alterations. Both MDSCs and bacteria that infiltrate the colon tissue and developing tumors can be found in close proximity, suggesting intricate MDSC-microbiota cross-talk within the tumor microenvironment. To investigate this phenomenon, we employed antibiotic treatment to disrupt MDSC-microbiota interactions. This intervention yielded a remarkable reduction in intestinal inflammation, decreased MDSC levels, and alleviated immunosuppression, all of which were associated with a significant reduction in tumor burden. Furthermore, we underscore the causative role of dysbiotic microbiota in the predisposition toward tumor development, highlighting their potential as biomarkers for predicting tumor load. We shed light on the intimate MDSCs-microbiota cross-talk, revealing how bacteria enhance MDSC suppressive features and activities, inhibit their differentiation into mature beneficial myeloid cells, and redirect some toward M2 macrophage phenotype. Collectively, this study uncovers the role of MDSC-bacteria cross-talk in impairing immune responses and promoting tumor growth, providing new insights into potential therapeutic strategies for CAC. SIGNIFICANCE MDSCs-dysbiotic bacteria interactions in the intestine play a crucial role in intensifying immunosuppression within the CAC microenvironment, ultimately facilitating tumor growth, highlighting potential therapeutic targets for improving the treatment outcomes of CAC.
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Affiliation(s)
- Hadas Ashkenazi-Preiser
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Or Reuven
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | | | - Sharon Komisarov
- Department of mathematics, Bar-Ilan University, Ramat Gan, Israel
| | - Roy Cirkin
- Department of mathematics, Bar-Ilan University, Ramat Gan, Israel
| | - Sondra Turjeman
- Azrieli Faculty of Medicine, Bar-Ilan University, Ramat Gan, Israel
| | - Carmel Even
- Azrieli Faculty of Medicine, Bar-Ilan University, Ramat Gan, Israel
| | - Nira Twaik
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Kerem Ben-Meir
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Ivan Mikula
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Leonor Cohen-Daniel
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Yaron Meirow
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Eli Pikarsky
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
| | - Yoram Louzoun
- Department of mathematics, Bar-Ilan University, Ramat Gan, Israel
| | - Omry Koren
- Azrieli Faculty of Medicine, Bar-Ilan University, Ramat Gan, Israel
| | - Michal Baniyash
- The Concern Foundation Laboratories at The Lautenberg Center for Immunology and Cancer Research, Israel-Canada Medical Research Institute, Faculty of Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel
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Sun W, Lv J, Guo S, Lv M. Cellular microenvironment: a key for tuning mesenchymal stem cell senescence. Front Cell Dev Biol 2023; 11:1323678. [PMID: 38111850 PMCID: PMC10725964 DOI: 10.3389/fcell.2023.1323678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 11/17/2023] [Indexed: 12/20/2023] Open
Abstract
Mesenchymal stem cells (MSCs) possess the ability to self-renew and differentiate into multiple cell types, making them highly suitable for use as seed cells in tissue engineering. These can be derived from various sources and have been found to play crucial roles in several physiological processes, such as tissue repair, immune regulation, and intercellular communication. However, the limited capacity for cell proliferation and the secretion of senescence-associated secreted phenotypes (SASPs) pose challenges for the clinical application of MSCs. In this review, we provide a comprehensive summary of the senescence characteristics of MSCs and examine the different features of cellular microenvironments studied thus far. Additionally, we discuss the mechanisms by which cellular microenvironments regulate the senescence process of MSCs, offering insights into preserving their functionality and enhancing their effectiveness.
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Affiliation(s)
| | | | - Shu Guo
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
| | - Mengzhu Lv
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
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Benešová I, Křížová Ľ, Kverka M. Microbiota as the unifying factor behind the hallmarks of cancer. J Cancer Res Clin Oncol 2023; 149:14429-14450. [PMID: 37555952 PMCID: PMC10590318 DOI: 10.1007/s00432-023-05244-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023]
Abstract
The human microbiota is a complex ecosystem that colonizes body surfaces and interacts with host organ systems, especially the immune system. Since the composition of this ecosystem depends on a variety of internal and external factors, each individual harbors a unique set of microbes. These differences in microbiota composition make individuals either more or less susceptible to various diseases, including cancer. Specific microbes are associated with cancer etiology and pathogenesis and several mechanisms of how they drive the typical hallmarks of cancer were recently identified. Although most microbes reside in the distal gut, they can influence cancer initiation and progression in distant tissues, as well as modulate the outcomes of established cancer therapies. Here, we describe the mechanisms by which microbes influence carcinogenesis and discuss their current and potential future applications in cancer diagnostics and management.
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Affiliation(s)
- Iva Benešová
- Laboratory of Cellular and Molecular Immunology, Institute of Microbiology v.v.i., Czech Academy of Sciences, Vídeňská 1083, 142 00, Prague 4-Krč, Czech Republic
| | - Ľudmila Křížová
- Department of Oncology, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, Prague, Czech Republic
| | - Miloslav Kverka
- Laboratory of Cellular and Molecular Immunology, Institute of Microbiology v.v.i., Czech Academy of Sciences, Vídeňská 1083, 142 00, Prague 4-Krč, Czech Republic.
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Stolzer I, Scherer E, Süß P, Rothhammer V, Winner B, Neurath MF, Günther C. Impact of Microbiome-Brain Communication on Neuroinflammation and Neurodegeneration. Int J Mol Sci 2023; 24:14925. [PMID: 37834373 PMCID: PMC10573483 DOI: 10.3390/ijms241914925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 09/27/2023] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
The gut microbiome plays a pivotal role in maintaining human health, with numerous studies demonstrating that alterations in microbial compositions can significantly affect the development and progression of various immune-mediated diseases affecting both the digestive tract and the central nervous system (CNS). This complex interplay between the microbiota, the gut, and the CNS is referred to as the gut-brain axis. The role of the gut microbiota in the pathogenesis of neurodegenerative diseases has gained increasing attention in recent years, and evidence suggests that gut dysbiosis may contribute to disease development and progression. Clinical studies have shown alterations in the composition of the gut microbiota in multiple sclerosis patients, with a decrease in beneficial bacteria and an increase in pro-inflammatory bacteria. Furthermore, changes within the microbial community have been linked to the pathogenesis of Parkinson's disease and Alzheimer's disease. Microbiota-gut-brain communication can impact neurodegenerative diseases through various mechanisms, including the regulation of immune function, the production of microbial metabolites, as well as modulation of host-derived soluble factors. This review describes the current literature on the gut-brain axis and highlights novel communication systems that allow cross-talk between the gut microbiota and the host that might influence the pathogenesis of neuroinflammation and neurodegeneration.
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Affiliation(s)
- Iris Stolzer
- Department of Medicine 1, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Eveline Scherer
- Department of Medicine 1, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Patrick Süß
- Department of Molecular Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Veit Rothhammer
- Department of Neurology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Beate Winner
- Department of Stem Cell Biology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
- Center of Rare Diseases Erlangen (ZSEER), Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Markus F. Neurath
- Department of Medicine 1, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Claudia Günther
- Department of Medicine 1, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Universitätsklinikum Erlangen, 91054 Erlangen, Germany
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Tunset ME, Haslene-Hox H, Van Den Bossche T, Maleki S, Vaaler A, Kondziella D. Blood-borne extracellular vesicles of bacteria and intestinal cells in patients with psychotic disorders. Nord J Psychiatry 2023; 77:686-695. [PMID: 37354486 DOI: 10.1080/08039488.2023.2223572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 05/23/2023] [Accepted: 05/28/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Human cells and bacteria secrete extracellular vesicles (EV) which play a role in intercellular communication. EV from the host intestinal epithelium are involved in the regulation of bacterial gene expression and growth. Bacterial EV (bactEV) produced in the intestine can pass to various tissues where they deliver biomolecules to many kinds of cells, including neurons. Emerging data indicate that gut microbiota is altered in patients with psychotic disorders. We hypothesized that the amount and content of blood-borne EV from intestinal cells and bactEV in psychotic patients would differ from healthy controls. METHODS We analyzed for human intestinal proteins by proteomics, for bactEV by metaproteomic analysis, and by measuring the level of lipopolysaccharide (LPS) in blood-borne EV from patients with psychotic disorders (n = 25), tested twice, in the acute phase of psychosis and after improvement, with age- and sex-matched healthy controls (n = 25). RESULTS Patients with psychotic disorders had lower LPS levels in their EV compared to healthy controls (p = .027). Metaproteome analyses confirmed LPS finding and identified Firmicutes and Bacteroidetes as dominating phyla. Total amounts of human intestine proteins in EV isolated from blood was lower in patients compared to controls (p = .02). CONCLUSIONS Our results suggest that bactEV and host intestinal EV are decreased in patients with psychosis and that this topic is worthy of further investigation given potential pathophysiological implications. Possible mechanisms involve dysregulation of the gut microbiota by host EV, altered translocation of bactEV to systemic circulation where bactEV can interact with both the brain and the immune system.
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Affiliation(s)
- Mette Elise Tunset
- Department of Psychosis and Rehabilitation, Psychiatry Clinic, St. Olavs University Hospital, Trondheim, Norway
- Department of Mental Health, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Hanne Haslene-Hox
- Department of Biotechnology and Nanomedicine, SINTEF, Trondheim, Norway
| | - Tim Van Den Bossche
- VIB - UGent Center for Medical Biotechnology, VIB, Ghent, Belgium
- Department of Biomolecular Medicine, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Susan Maleki
- Department of Biotechnology and Nanomedicine, SINTEF, Trondheim, Norway
| | - Arne Vaaler
- Department of Mental Health, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Department of Acute Psychiatry, Psychiatry Clinic, St. Olavs University Hospital, Trondheim, Norway
| | - Daniel Kondziella
- Department of Neurology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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6
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Sun D, Chen P, Xi Y, Sheng J. From trash to treasure: the role of bacterial extracellular vesicles in gut health and disease. Front Immunol 2023; 14:1274295. [PMID: 37841244 PMCID: PMC10570811 DOI: 10.3389/fimmu.2023.1274295] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 09/14/2023] [Indexed: 10/17/2023] Open
Abstract
Bacterial extracellular vesicles (BEVs) have emerged as critical factors involved in gut health regulation, transcending their traditional roles as byproducts of bacterial metabolism. These vesicles function as cargo carriers and contribute to various aspects of intestinal homeostasis, including microbial balance, antimicrobial peptide secretion, physical barrier integrity, and immune system activation. Therefore, any imbalance in BEV production can cause several gut-related issues including intestinal infection, inflammatory bowel disease, metabolic dysregulation, and even cancer. BEVs derived from beneficial or commensal bacteria can act as potent immune regulators and have been implicated in maintaining gut health. They also show promise for future clinical applications in vaccine development and tumor immunotherapy. This review examines the multifaceted role of BEVs in gut health and disease, and also delves into future research directions and potential applications.
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Affiliation(s)
- Desen Sun
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, China
| | - Pan Chen
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, China
| | - Yang Xi
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, School of Basic Medical Sciences, Health Science Center, Ningbo University, Ningbo, China
| | - Jinghao Sheng
- Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Lara B, Sassot M, Calo G, Paparini D, Gliosca L, Chaufan G, Loureiro I, Vota D, Ramhorst R, Pérez Leirós C, Hauk V. Extracellular Vesicles of Porphyromonas gingivalis Disrupt Trophoblast Cell Interaction with Vascular and Immune Cells in an In Vitro Model of Early Placentation. Life (Basel) 2023; 13:1971. [PMID: 37895353 PMCID: PMC10608595 DOI: 10.3390/life13101971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/29/2023] Open
Abstract
Extracellular vesicles released by the primary pathogen of periodontal disease Porphyromonas gingivalis (Pg), referred to as outer membrane vesicles (OMVs), have been associated with the pathogenesis of systemic diseases like cardiovascular disease, rheumatoid arthritis, and Alzheimer's disease. A pathogenic role for Pg by disrupting placental homeostasis was proposed in the association between periodontal disease and adverse pregnancy outcomes. On the basis that trophoblast-derived factors modulate endothelial and immune cell profiles in normal pregnancy and the scarce presence of Pg in placenta, we hypothesized that OMVs from Pg affect trophoblast cell phenotype, impairing trophoblast-endothelium and trophoblast-neutrophil interactions. By means of in vitro designs with first-trimester human trophoblast cells, endothelial cells, and freshly isolated neutrophils, we showed that Pg OMVs are internalized by trophoblast cells and modulate the activity and expression of functional markers. Trophoblast cells primed with Pg OMVs enhanced neutrophil chemoattraction and lost their anti-inflammatory effect. In addition, reduced migration with enhanced adhesion of monocytes was found in endothelial cells upon incubation with the media from trophoblast cells pretreated with Pg OMVs. Taken together, the results support a pathogenic role of Pg OMVs at early stages of pregnancy and placentation through disruption of trophoblast contribution to vascular transformation and immune homeostasis maintenance.
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Affiliation(s)
- Brenda Lara
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Matías Sassot
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Guillermina Calo
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Daniel Paparini
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Laura Gliosca
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Microbiología, Buenos Aires C1122AAH, Argentina
| | - Gabriela Chaufan
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Iñaki Loureiro
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Daiana Vota
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Rosanna Ramhorst
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Claudia Pérez Leirós
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
| | - Vanesa Hauk
- Universidad de Buenos Aires—CONICET, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires C1428EGA, Argentina; (B.L.); (M.S.); (G.C.); (D.P.); (L.G.); (G.C.); (I.L.); (D.V.); (R.R.)
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Liu R, Zhou Y, Chen H, Xu H, Zuo M, Chen B, Wang H. Membrane vesicles from Lactobacillus johnsonii delay osteoarthritis progression via modulating macrophage glutamine synthetase/mTORC1 axis. Biomed Pharmacother 2023; 165:115204. [PMID: 37499456 DOI: 10.1016/j.biopha.2023.115204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023] Open
Abstract
AIMS The manipulation of macrophage recruitment and their shift in the M1/M2 ratio is a promising approach to mitigate osteoarthritis (OA). Nevertheless, the current clinical medication available for OA is only palliative and may result in undesirable outcomes. Hence, it is urgent to explore alternative disease-modifying drug supplement that are both safer and more effective in OA treatment, like probiotic and probiotic-derived membrane vesicles. METHODS The synovial inflammation and cartilage damage in collagenase-induced OA (CIOA) mice were observed using haematoxylin and eosin, saffron O-solid green and immunohistochemical staining. Bipedal balance test and open field test were conducted to determine the effectiveness of L. johnsonii-derived membrane vesicles (LJ-MVs) in reducing joint pain of CIOA mice. Additionally, Transwell, western blot, and immunological testing were used to examine the effect of LJ-MVs on macrophage migration and reprogramming. Furthermore, a 4D label-free proteomic analysis of LJ-MVs and their parent bacterium was performed, and the glutamine synthetase (GS)/mTORC1 axis in macrophage was verified by western blot. RESULTS L. johnsonii and its membrane vesicles, LJ-MVs, exhibit a novel ability to mitigate inflammation, cartilage damage, and pain associated with OA. This is achieved by their ability to impede macrophage migration, M1-like polarization, and inflammatory mediators secretion, while simultaneously promoting the M2/M1 ratio in synovial macrophages. The mechanism underlying this effect involves the modulation of macrophage GS/mTORC1 pathway, at least partially. SIGNIFICANCE Owing to their probiotic derivation, LJ-MVs will be a more dependable and potent disease-modifying drugs for the prevention and therapy of OA in the long run.
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Affiliation(s)
- Rangru Liu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China; Hainan Provincial Key Laboratory of R&D of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, Hainan, China
| | - Yue Zhou
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Huanxiong Chen
- Department of Spine Surgery, Hainan Province Clinical Medical Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Haixia Xu
- Department of Spine Surgery, Hainan Province Clinical Medical Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Min Zuo
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Bo Chen
- Hainan Provincial Key Laboratory of R&D of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, Hainan, China
| | - Hua Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China.
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Xiao M, Li G, Yang H. Microbe-host interactions: structure and functions of Gram-negative bacterial membrane vesicles. Front Microbiol 2023; 14:1225513. [PMID: 37720140 PMCID: PMC10500606 DOI: 10.3389/fmicb.2023.1225513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 08/17/2023] [Indexed: 09/19/2023] Open
Abstract
Bacteria-host interaction is a common, relevant, and intriguing biological phenomena. The host reacts actively or passively to the bacteria themselves, their products, debris, and so on, through various defense systems containing the immune system, the bacteria communicate with the local or distal tissues of the host via their own surface antigens, secreted products, nucleic acids, etc., resulting in relationships of attack and defense, adaptation, symbiosis, and even collaboration. The significance of bacterial membrane vesicles (MVs) as a powerful vehicle for the crosstalk mechanism between the two is growing. In the recent decade, the emergence of MVs in microbial interactions and a variety of bacterial infections, with multiple adhesions to host tissues, cell invasion and evasion of host defense mechanisms, have brought MVs to the forefront of bacterial pathogenesis research. Whereas MVs are a complex combination of molecules not yet fully understood, research into its effects, targeting and pathogenic components will advance its understanding and utilization. This review will summarize structural, extraction and penetration information on several classes of MVs and emphasize the role of MVs in transport and immune response activation. Finally, the potential of MVs as a therapeutic method will be highlighted, as will future research prospects.
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Affiliation(s)
- Min Xiao
- Yunnan Key Laboratory of Stomatology, Kunming Medical University, Kunming, Yunnan, China
- Department of Dental Research, The Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Guiding Li
- Yunnan Key Laboratory of Stomatology, Kunming Medical University, Kunming, Yunnan, China
- Department of Dental Research, The Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Hefeng Yang
- Yunnan Key Laboratory of Stomatology, Kunming Medical University, Kunming, Yunnan, China
- Department of Dental Research, The Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, China
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10
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Taitz JJ, Tan JK, Potier-Villette C, Ni D, King NJ, Nanan R, Macia L. Diet, commensal microbiota-derived extracellular vesicles, and host immunity. Eur J Immunol 2023; 53:e2250163. [PMID: 37137164 DOI: 10.1002/eji.202250163] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/04/2023] [Accepted: 05/02/2023] [Indexed: 05/05/2023]
Abstract
The gut microbiota has co-evolved with its host, and commensal bacteria can influence both the host's immune development and function. Recently, a role has emerged for bacterial extracellular vesicles (BEVs) as potent immune modulators. BEVs are nanosized membrane vesicles produced by all bacteria, possessing the membrane characteristics of the originating bacterium and carrying an internal cargo that may include nucleic acid, proteins, lipids, and metabolites. Thus, BEVs possess multiple avenues for regulating immune processes, and have been implicated in allergic, autoimmune, and metabolic diseases. BEVs are biodistributed locally in the gut, and also systemically, and thus have the potential to affect both the local and systemic immune responses. The production of gut microbiota-derived BEVs is regulated by host factors such as diet and antibiotic usage. Specifically, all aspects of nutrition, including macronutrients (protein, carbohydrates, and fat), micronutrients (vitamins and minerals), and food additives (the antimicrobial sodium benzoate), can regulate BEV production. This review summarizes current knowledge of the powerful links between nutrition, antibiotics, gut microbiota-derived BEV, and their effects on immunity and disease development. It highlights the potential of targeting or utilizing gut microbiota-derived BEV as a therapeutic intervention.
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Affiliation(s)
- Jemma J Taitz
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Jian K Tan
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Camille Potier-Villette
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Duan Ni
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Nicholas Jc King
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Ralph Nanan
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- Nepean Clinical School, University of Sydney, Sydney, NSW, Australia
| | - Laurence Macia
- Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Sydney Cytometry, University of Sydney and Centenary Institute, Sydney, NSW, Australia
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11
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Conte AL, Brunetti F, Marazzato M, Longhi C, Maurizi L, Raponi G, Palamara AT, Grassi S, Conte MP. Atopic dermatitis-derived Staphylococcus aureus strains: what makes them special in the interplay with the host. Front Cell Infect Microbiol 2023; 13:1194254. [PMID: 37389215 PMCID: PMC10303148 DOI: 10.3389/fcimb.2023.1194254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Accepted: 05/22/2023] [Indexed: 07/01/2023] Open
Abstract
Background Atopic dermatitis (AD) is a chronic inflammatory skin condition whose pathogenesis involves genetic predisposition, epidermal barrier dysfunction, alterations in the immune responses and microbial dysbiosis. Clinical studies have shown a link between Staphylococcus aureus and the pathogenesis of AD, although the origins and genetic diversity of S. aureus colonizing patients with AD is poorly understood. The aim of the study was to investigate if specific clones might be associated with the disease. Methods WGS analyses were performed on 38 S. aureus strains, deriving from AD patients and healthy carriers. Genotypes (i.e. MLST, spa-, agr- and SCCmec-typing), genomic content (e.g. virulome and resistome), and the pan-genome structure of strains have been investigated. Phenotypic analyses were performed to determine the antibiotic susceptibility, the biofilm production and the invasiveness within the investigated S. aureus population. Results Strains isolated from AD patients revealed a high degree of genetic heterogeneity and a shared set of virulence factors and antimicrobial resistance genes, suggesting that no genotype and genomic content are uniquely associated with AD. The same strains were characterized by a lower variability in terms of gene content, indicating that the inflammatory conditions could exert a selective pressure leading to the optimization of the gene repertoire. Furthermore, genes related to specific mechanisms, like post-translational modification, protein turnover and chaperones as well as intracellular trafficking, secretion and vesicular transport, were significantly more enriched in AD strains. Phenotypic analysis revealed that all of our AD strains were strong or moderate biofilm producers, while less than half showed invasive capabilities. Conclusions We conclude that in AD skin, the functional role played by S. aureus may depend on differential gene expression patterns and/or on post-translational modification mechanisms rather than being associated with peculiar genetic features.
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Affiliation(s)
- Antonietta Lucia Conte
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Francesca Brunetti
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Massimiliano Marazzato
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Catia Longhi
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Linda Maurizi
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Giammarco Raponi
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
| | - Anna Teresa Palamara
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Laboratory Affiliated to Institute Pasteur Italia- Cenci Bolognetti Foundation, Rome, Italy
| | - Sara Grassi
- Dermatology Clinic, Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
| | - Maria Pia Conte
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Rome, Italy
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12
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Niu G, Jian T, Gai Y, Chen J. Microbiota and plant-derived vesicles that serve as therapeutic agents and delivery carriers to regulate metabolic syndrome. Adv Drug Deliv Rev 2023; 196:114774. [PMID: 36906231 DOI: 10.1016/j.addr.2023.114774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/02/2023] [Accepted: 03/05/2023] [Indexed: 03/13/2023]
Abstract
The gut is a fundamental organ in controlling human health. Recently, researches showed that substances in the intestine can alter the course of many diseases through the intestinal epithelium, especially intestinal flora and exogenously ingested plant vesicles that can be transported over long distances to various organs. This article reviews the current knowledge on extracellular vesicles in modulating gut homeostasis, inflammatory response and numerous metabolic disease that share obesity as a co-morbidity. These complex systemic diseases that are difficult to cure, but can be managed by some bacterial and plant vesicles. Vesicles, due to their digestive stability and modifiable properties, have emerged as novel and targeted drug delivery vehicles for effective treatment of metabolic diseases.
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Affiliation(s)
- Guanting Niu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Tunyu Jian
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Yanan Gai
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Jian Chen
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
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13
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Kotelevets L, Chastre E. Extracellular Vesicles in Colorectal Cancer: From Tumor Growth and Metastasis to Biomarkers and Nanomedications. Cancers (Basel) 2023; 15. [PMID: 36831450 DOI: 10.3390/cancers15041107] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Colorectal cancer (CRC) is a leading public health concern due to its incidence and high mortality rates, highlighting the requirement of an early diagnosis. Evaluation of circulating extracellular vesicles (EVs) might constitute a noninvasive and reliable approach for CRC detection and for patient follow-up because EVs display the molecular features of the cells they originate. EVs are released by almost all cell types and are mainly categorized as exosomes originating from exocytosis of intraluminal vesicles from multivesicular bodies, ectosomes resulting from outward budding of the plasma membrane and apoptotic bodies' ensuing cell shrinkage. These vesicles play a critical role in intercellular communications during physiological and pathological processes. They facilitate CRC progression and premetastatic niche formation, and they enable transfer of chemotherapy resistance to sensitive cells through the local or remote delivery of their lipid, nucleic acid and protein content. On another note, their stability in the bloodstream, their permeation in tissues and their sheltering of packaged material make engineered EVs suitable vectors for efficient delivery of tracers and therapeutic agents for tumor imaging or treatment. Here, we focus on the physiopathological role of EVs in CRCs, their value in the diagnosis and prognosis and ongoing investigations into therapeutic approaches.
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14
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Krzyżek P, Marinacci B, Vitale I, Grande R. Extracellular Vesicles of Probiotics: Shedding Light on the Biological Activity and Future Applications. Pharmaceutics 2023; 15:522. [PMID: 36839844 PMCID: PMC9967243 DOI: 10.3390/pharmaceutics15020522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/20/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
For many decades, the proper functioning of the human body has become a leading scientific topic. In the course of numerous experiments, a striking impact of probiotics on the human body has been documented, including maintaining the physiological balance of endogenous microorganisms, regulating the functioning of the immune system, enhancing the digestive properties of the host, and preventing or alleviating the course of many diseases. Recent research, especially from the last decade, shows that this health-benefiting activity of probiotics is largely conditioned by the production of extracellular vesicles. Although the importance of extracellular vesicles in the virulence of many live-threatening pathogens is widely described in the literature, much less is known with respect to the health-promoting effect of extracellular vesicles secreted by non-pathogenic microorganisms, including probiotics. Based on this, in the current review article, we decided to collect the latest literature data on the health-inducing properties of extracellular vesicles secreted by probiotics. The characteristics of probiotics' extracellular vesicles will be extended by the description of their physicochemical properties and the proteome in connection with the biological activities exhibited by these structures.
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Affiliation(s)
- Paweł Krzyżek
- Department of Microbiology, Faculty of Medicine, Wroclaw Medical University, 50-368 Wroclaw, Poland
| | - Beatrice Marinacci
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
- Department of Innovative Technologies in Medicine & Dentistry, University “Gabriele d’Annunzio”, Chieti-Pescara, 66100 Chieti, Italy
| | - Irene Vitale
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
| | - Rossella Grande
- Department of Pharmacy, University “G. d’Annunzio” of Chieti-Pescara, Via dei Vestini, 31, 66100 Chieti, Italy
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15
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Castaño C, Novials A, Párrizas M. An Overview of Inter-Tissue and Inter-Kingdom Communication Mediated by Extracellular Vesicles in the Regulation of Mammalian Metabolism. Int J Mol Sci 2023; 24. [PMID: 36768391 DOI: 10.3390/ijms24032071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Obesity and type 2 diabetes are associated with defects of insulin action in different tissues or alterations in β-cell secretory capacity that may be triggered by environmental challenges, inadequate lifestyle choices, or an underlying genetic predisposition. In addition, recent data shows that obesity may also be caused by perturbations of the gut microbiota, which then affect metabolic function and energy homeostasis in the host. Maintenance of metabolic homeostasis in complex organisms such as mammals requires organismal-level communication, including between the different organs and the gut microbiota. Extracellular vesicles (EVs) have been identified in all domains of life and have emerged as crucial players in inter-organ and inter-kingdom crosstalk. Interestingly, EVs found in edible vegetables or in milk have been shown to influence gut microbiota or tissue function in mammals. Moreover, there is a multidirectional crosstalk mediated by EVs derived from gut microbiota and body organs that has implications for host health. Untangling this complex signaling network may help implement novel therapies for the treatment of metabolic disease.
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16
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Hamidi Nia L, Claesen J. Engineered Cancer Targeting Microbes and Encapsulation Devices for Human Gut Microbiome Applications. Biochemistry 2022; 61:2841-2848. [PMID: 35868631 PMCID: PMC9785036 DOI: 10.1021/acs.biochem.2c00251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The gut microbiota produce specialized metabolites that are important for maintaining host health homeostasis. Hence, unstable production of these metabolites can contribute to diseases such as inflammatory bowel disease and colon cancer. While fecal transplantation or dietary modification approaches can be used to correct the gut microbial community's metabolic output, this Perspective focuses on the use of engineered bacteria. We highlight recent advances in bacterial synthetic biology approaches for the treatment of colorectal cancer and systemic tumors and discuss the functionality and biochemical properties of novel containment approaches using hydrogel-based and electronic devices. Synthetic circuitry refinement and incorporation of novel functional modules have enabled more targeted detection of colonic tumors and delivery of anticancer compounds inside the gastrointestinal (GI) tract, as well as the design of tumor-homing bacteria capable of recruiting infiltrating T cells. Engineering challenges in these applications include the stability of the genetic circuits, long-term engraftment of the chosen chassis, and containment of the synthetic microbes' activity to the diseased tissues. Hydrogels are well-suited to the encapsulationo of living organisms due to their matrix structure and tunable porosity. The matrix structure allows a dried hydrogel to collect and contain GI contents. Engineered bacteria that sense GI tract inflammation or tumors and release bioactive metabolites to the targeted area can be encapsulated. Electronic devices can be enabled with additional measuring and data processing capabilities. We expect that engineered devices will become more important in the containment and delivery of synthetic microbes for diagnostic and therapeutic applications.
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Affiliation(s)
- Layan Hamidi Nia
- Department
of Cardiovascular and Metabolic Sciences, Lerner Research Institute of the Cleveland Clinic, Cleveland, Ohio 44195, United States,Department
of Biomedical Engineering, Cleveland State
University, Cleveland, Ohio 44115, United
States
| | - Jan Claesen
- Department
of Cardiovascular and Metabolic Sciences, Lerner Research Institute of the Cleveland Clinic, Cleveland, Ohio 44195, United States,Center
for Microbiome and Human Health, Lerner
Research Institute of the Cleveland Clinic, Cleveland, Ohio 44195, United States,Department
of Molecular Medicine, Cleveland Clinic
Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio 44195, United States,
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17
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Abstract
Intestinal microenvironment dysbiosis is one of the major causes of diseases, such as obesity, diabetes, inflammatory bowel disease, and colon cancer. Microbiota-based strategies have excellent clinical potential in the treatment of repetitive and refractory diseases; however, the underlying regulatory mechanisms remain elusive. Identification of the internal regulatory mechanism of the gut microbiome and the interaction mechanisms involving bacteria-host is essential to achieve precise control of the gut microbiome and obtain effective clinical data. Gut bacteria-derived extracellular vesicles (GBEVs) are lipid bilayer nanoparticles secreted by the gut microbiota and are considered key players in bacteria-bacteria and bacteria-host communication. This review focusses on the role of GBEVs in gut microbiota interactions and bacteria-host communication, and the potential clinical applications of GBEVs.
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Affiliation(s)
- Xiao Liang
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Nini Dai
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Kangliang Sheng
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Hengqian Lu
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Jingmin Wang
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Liping Chen
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China
| | - Yongzhong Wang
- School of Life Sciences, Anhui University, Hefei, China,Key Laboratory of Human Microenvironment and Precision Medicine of Anhui Higher Education Institutes, Anhui University, Hefei, China,Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, China,Institute of Physical Science and Information Technology, Anhui University, Hefei, China,CONTACT Yongzhong Wang School of Life Sciences, Anhui University, Hefei, China
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18
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van Geffen C, Heiss C, Deißler A, Kolahian S. Pharmacological modulation of myeloid-derived suppressor cells to dampen inflammation. Front Immunol 2022; 13:933847. [PMID: 36110844 PMCID: PMC9468781 DOI: 10.3389/fimmu.2022.933847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a heterogeneous cell population with potent suppressive and regulative properties. MDSCs’ strong immunosuppressive potential creates new possibilities to treat chronic inflammation and autoimmune diseases or induce tolerance towards transplantation. Here, we summarize and critically discuss different pharmacological approaches which modulate the generation, activation, and recruitment of MDSCs in vitro and in vivo, and their potential role in future immunosuppressive therapy.
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19
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Bhar S, Zhao G, Bartel JD, Sterchele H, Del Mazo A, Emerson LE, Edelmann MJ, Jones MK. Bacterial extracellular vesicles control murine norovirus infection through modulation of antiviral immune responses. Front Immunol 2022; 13:909949. [PMID: 35990695 PMCID: PMC9386532 DOI: 10.3389/fimmu.2022.909949] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Human norovirus is the primary cause of non-bacterial gastroenteritis globally and is the second leading cause of diarrheal deaths in children in developing countries. However, effective therapeutics which prevent or clear norovirus infection are not yet available due to a lack of understanding regarding norovirus pathogenesis. Evidence shows that noroviruses can bind to the surface of commensal bacteria, and the presence of these bacteria alters both acute and persistent murine norovirus infection through the modulation of host immune responses. Interestingly, norovirus-bacterial interactions also affect the bacteria by inducing bacterial stress responses and increasing the production of bacterial extracellular vesicles. Given the established ability of these vesicles to easily cross the intestinal barriers, enter the lamina propria, and modulate host responses, we hypothesized that bacterial extracellular vesicles influence murine norovirus infection through modulation of the antiviral immune response. In this study, we show that murine norovirus can attach to purified bacterial vesicles, facilitating co-inoculation of target cells with both virus and vesicle. Furthermore, we have found that when murine noroviruses and vesicles are used to co-inoculate macrophages, viral infection is reduced compared to virus infection alone. Specifically, co-inoculation with bacterial vesicles results in higher production and release of pro-inflammatory cytokines in response to viral infection. Ultimately, given that murine norovirus infection increases bacterial vesicle production in vivo, these data indicate that bacterial vesicles may serve as a mechanism by which murine norovirus infection is ultimately controlled and limited to a short-term disease.
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20
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Shen Q, Xu B, Wang C, Xiao Y, Jin Y. Bacterial membrane vesicles in inflammatory bowel disease. Life Sci 2022; 306:120803. [PMID: 35850249 DOI: 10.1016/j.lfs.2022.120803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 07/01/2022] [Accepted: 07/10/2022] [Indexed: 12/20/2022]
Abstract
Inflammatory bowel disease (IBD) is characterized by chronic intestinal inflammation with no cure. The intestine is fundamental in controlling human health. Disruption of the microbial ecosystem in the intestine is considered an important cause of IBD. The interaction between the host and microbiota significantly impacts the intestinal epithelial barrier and immune function. Bacterial membrane vesicles (MVs) are vital participants in bacteria-bacteria and host-microbiota communication. Currently, MVs have been found to exhibit many important regulating effects for intestinal microecology and have excellent application potential in clinical disease therapies. In the present review, we review the current knowledge on MVs, and specifically focus on gut bacterial MVs and their roles in the IBD. In addition, we summarized the potential utility of MVs as a novel therapeutic approach in IBD patients.
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Affiliation(s)
- Qichen Shen
- Department of Biotechnology, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Bingbai Xu
- SUNNY Biotech Hangzhou, Hangzhou 310012, China
| | - Caihong Wang
- Department of Biotechnology, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yingping Xiao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Yuanxiang Jin
- Department of Biotechnology, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China.
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21
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Liang L, Yang C, Liu L, Mai G, Li H, Wu L, Jin M, Chen Y. Commensal bacteria-derived extracellular vesicles suppress ulcerative colitis through regulating the macrophages polarization and remodeling the gut microbiota. Microb Cell Fact 2022; 21:88. [PMID: 35578339 PMCID: PMC9109417 DOI: 10.1186/s12934-022-01812-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 05/03/2022] [Indexed: 12/13/2022] Open
Abstract
Background The extracellular vesicles (EVs) traffic constitutes an essential pathway of cellular communication. And the molecules in EVs produced by procaryotes help in maintaining homeostasis, addressing microbial imbalance and infections, and regulating the immune system. Despite the fact that Clostridium butyricum (C. butyricum) is commonly used for treating ulcerative colitis (UC), the potential role of C. butyricum-secreted EVs in commensals-host crosstalk remains unclear. Results Here, we performed flow cytometry, western blot, immunohistochemistry and 16S rRNA analysis to explore the role of C. butyricum-derived EVs on macrophage polarization and gut microbiota composition in a dextran sulfate sodium (DSS)-induced UC mouse model. The antibiotic cocktail-induced microbiome depletion and faecal transplantations were used to further investigate the mechanisms by which EVs regulate macrophage balance. Our findings showed that C. butyricum-derived EVs improved the remission of murine colitis and polarized the transformation of macrophages to the M2 type. Furthermore, C. butyricum-derived EVs restored gut dysbiosis and altered the relative abundance of Helicobacter, Escherichia-Shigella, Lactobacillus, Akkermansia and Bacteroides, which, in turn, faecal transplantations from EVs-treated mice relieved the symptoms of UC and improved the impact of EVs on the reprogramming of the M2 macrophages. Conclusion C. butyricum-derived EVs could protect against DSS-induced colitis by regulating the repolarization of M2 macrophages and remodelling the composition of gut microbiota, suggesting the potential efficacy of EVs from commensal and probiotic Clostridium species against UC. Supplementary Information The online version contains supplementary material available at 10.1186/s12934-022-01812-6.
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22
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Díez-Sainz E, Milagro FI, Riezu-Boj JI, Lorente-Cebrián S. Effects of gut microbiota-derived extracellular vesicles on obesity and diabetes and their potential modulation through diet. J Physiol Biochem 2022; 78:485-499. [PMID: 34472032 PMCID: PMC8410452 DOI: 10.1007/s13105-021-00837-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022]
Abstract
Obesity and diabetes incidence rates are increasing dramatically, reaching pandemic proportions. Therefore, there is an urgent need to unravel the mechanisms underlying their pathophysiology. Of particular interest is the close interconnection between gut microbiota dysbiosis and obesity and diabetes progression. Hence, microbiota manipulation through diet has been postulated as a promising therapeutic target. In this regard, secretion of gut microbiota-derived extracellular vesicles is gaining special attention, standing out as key factors that could mediate gut microbiota-host communication. Extracellular vesicles (EVs) derived from gut microbiota and probiotic bacteria allow to encapsulate a wide range of bioactive molecules (such as/or including proteins and nucleic acids) that could travel short and long distances to modulate important biological functions with the overall impact on the host health. EV-derived from specific bacteria induce differential physiological responses. For example, a high-fat diet-induced increase of the proteobacterium Pseudomonas panacis-derived EV is closely associated with the progression of metabolic dysfunction in mice. In contrast, Akkermansia muciniphila EV are linked with the alleviation of high-fat diet-induced obesity and diabetes in mice. Here, we review the newest pieces of evidence concerning the potential role of gut microbiota and probiotic-derived EV on obesity and diabetes onset, progression, and management, through the modulation of inflammation, metabolism, and gut permeability. In addition, we discuss the role of certain dietary patterns on gut microbiota-derived EV profile and the clinical implication that dietary habits could have on metabolic diseases progression through the shaping of gut microbiota-derived EV.
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Affiliation(s)
- Ester Díez-Sainz
- Department of Nutrition, Food Science and Physiology/Center for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain
| | - Fermín I Milagro
- Department of Nutrition, Food Science and Physiology/Center for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain.
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain.
- Centro de Investigación Biomédica en Red Fisiopatología de La Obesidad Y Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain.
| | - José I Riezu-Boj
- Department of Nutrition, Food Science and Physiology/Center for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
| | - Silvia Lorente-Cebrián
- Department of Pharmacology, Physiology and Legal and Forensic Medicine, Faculty of Health and Sport Science, University of Zaragoza, Zaragoza, Spain
- Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain
- Aragón Health Research Institute (IIS-Aragon), Zaragoza, Spain
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23
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Staudenmaier L, Focken J, Schlatterer K, Kretschmer D, Schittek B. Bacterial membrane vesicles shape Staphylococcus aureus skin colonization and induction of innate immune responses. Exp Dermatol 2021; 31:349-361. [PMID: 34679243 DOI: 10.1111/exd.14478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/10/2021] [Accepted: 10/17/2021] [Indexed: 11/30/2022]
Abstract
Staphylococcus aureus colonization is abundant on the skin of atopic dermatitis (AD) patients where it contributes to skin inflammation. S. aureus produces virulence factors that distinguish it from commensal skin bacteria such as S. epidermidis and S. lugdunensis. However, it has remained unclear, which of these virulence factors have the strongest impact on AD. Membrane vesicles (MVs) are released by pathogenic bacteria and might play an essential role in the long-distance delivery of bacterial effectors such as virulence factors. We show that MVs are also released by skin commensals in a similar quantity and membrane lipid amount as those from pathogenic S. aureus. Interestingly, MVs from skin commensals can protect against S. aureus skin colonization by conditioning human skin for enhanced defence. In contrast, MVs released by S. aureus are able to induce CXCL8 and TNF-α in primary human keratinocytes, recruit neutrophils and induce neutrophil extracellular traps, which enhance S. aureus skin colonization. CXCL8 induction is TLR2- and NFkB-dependent and the induction level correlates with the membrane lipid and protein A content of the MVs. Interestingly, MVs of S. aureus strains from the lesional skin of AD patients show an enhanced membrane lipid and protein A content compared to the strains from the non-lesional sites and have an enhanced proinflammatory potential. Our data underline the complex interplay in host- and bacterial derived factors in S. aureus skin colonization and the important role of bacterial derived MVs and their membrane lipid and protein A content in skin inflammatory disorders.
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Affiliation(s)
- Lena Staudenmaier
- Department of Dermatology, University of Tübingen, Tübingen, Germany.,Cluster of Excellence EXC 2124 Controlling Microbes to Fight Infections, University of Tübingen, Tübingen, Germany
| | - Jule Focken
- Department of Dermatology, University of Tübingen, Tübingen, Germany.,Cluster of Excellence EXC 2124 Controlling Microbes to Fight Infections, University of Tübingen, Tübingen, Germany
| | - Katja Schlatterer
- Cluster of Excellence EXC 2124 Controlling Microbes to Fight Infections, University of Tübingen, Tübingen, Germany.,Interfaculty Institute of Microbiology and Infection Medicine, Infection Biology, University of Tübingen, Tübingen, Germany
| | - Dorothee Kretschmer
- Cluster of Excellence EXC 2124 Controlling Microbes to Fight Infections, University of Tübingen, Tübingen, Germany.,Interfaculty Institute of Microbiology and Infection Medicine, Infection Biology, University of Tübingen, Tübingen, Germany
| | - Birgit Schittek
- Department of Dermatology, University of Tübingen, Tübingen, Germany.,Cluster of Excellence EXC 2124 Controlling Microbes to Fight Infections, University of Tübingen, Tübingen, Germany
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24
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Busatto S, Morad G, Guo P, Moses MA. The role of extracellular vesicles in the physiological and pathological regulation of the blood-brain barrier. FASEB Bioadv 2021; 3:665-675. [PMID: 34485835 PMCID: PMC8409556 DOI: 10.1096/fba.2021-00045] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 12/20/2022] Open
Abstract
Extracellular vesicles (EVs) are a subclass of biological nanoparticles secreted by most cell types. Once secreted, EVs can travel long distances to deliver their content to target cells thereby playing a key role in cell-to-cell communication and supporting both physiological and pathological processes. In recent years, the functional versatility of EVs has come to be more widely appreciated. Their heterogeneous structure encloses solubilized bioactive cargoes including proteins and nucleic acids. EVs mirror the secreting cell in composition therefore representing a novel source of diagnostic and prognostic biomarkers. Moreover, due to their unique structure, EVs constitute a promising class of biocompatible nanovehicles for drug delivery as well. Importantly, and of burgeoning interest, is the fact that EVs have the intrinsic ability to breach biological barriers including the complex blood-brain barrier (BBB), whose restrictive nature represents a significant therapeutic challenge. EVs have been shown to contribute to the progression of a variety of brain diseases including metastatic brain cancer, neurodegenerative diseases, and acute pathologies including infections and ischemia. In this review, the role of EVs in the maintenance and regulation of the BBB under normal physiological and pathologic conditions are discussed. Applications of EVs as therapeutic and diagnostic tools in the treatment of diseases that affect the central nervous system are presented as are limitations hindering their broad translation and potential solutions to resolve them.
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Affiliation(s)
- Sara Busatto
- Vascular Biology ProgramBoston Children's HospitalBostonMAUSA
- Department of SurgeryBoston Children's Hospital and Harvard Medical SchoolBostonMAUSA
| | - Golnaz Morad
- Department of Surgical OncologyUniversity of Texas MD Anderson Cancer CenterHoustonTXUSA
| | - Peng Guo
- Vascular Biology ProgramBoston Children's HospitalBostonMAUSA
- Department of SurgeryBoston Children's Hospital and Harvard Medical SchoolBostonMAUSA
| | - Marsha A. Moses
- Vascular Biology ProgramBoston Children's HospitalBostonMAUSA
- Department of SurgeryBoston Children's Hospital and Harvard Medical SchoolBostonMAUSA
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25
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Shen Q, Huang Z, Yao J, Jin Y. Extracellular vesicles-mediated interaction within intestinal microenvironment in inflammatory bowel disease. J Adv Res 2021; 37:221-233. [PMID: 35499059 PMCID: PMC9039646 DOI: 10.1016/j.jare.2021.07.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 12/12/2022] Open
Abstract
EVs derived from different sources play modulatory functions in the intestine, especially interaction associated with microbiota. An EV-mediated interaction system was established to describe the possible mechanism of IBD pathogenesis and its cure. EVs-based treatments show great potential of clinical applications in IBD diagnosis and therapy.
Background The intestinal tract is a complicated ecosystem with dynamic homeostasis via interaction of intestine and microbiota. Inflammatory bowel disease (IBD) is chronic intestinal inflammation involving dysbiosis of intestinal microenvironment. Extracellular vesicles (EVs), as vital characteristics of cell–cell and cell-organism communication, contribute to homeostasis in intestine. Recently, EVs showed excellent potential for clinical applications in disease diagnoses and therapies. Aim of Review Our current review discusses the modulatory functions of EVs derived from different sources in intestine, especially their effects and applications in IBD clinical therapy. EV-mediated interaction systems between host intestine and microbiota were established to describe possible mechanisms of IBD pathogenesis and its cure. Key Scientific Concepts of Review EVs are excellent vehicles for delivering molecules containing genetic information to recipient cells. Multiple pieces of evidence have illustrated that EVs participate the interaction between host and microbiota in intestinal microenvironment. In inflammatory intestine with dysbiosis of microbiota, EVs as regulators target promoting immune response and microbial reconstruction. EVs-based immunotherapy could be a promising therapeutic approach for the treatment of IBD in the near future.
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Affiliation(s)
- Qichen Shen
- Department of Biotechnology, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhuizui Huang
- Department of Biotechnology, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Jiachen Yao
- Faculty of Technology, University of Turku, Turku 20014, Finland
| | - Yuanxiang Jin
- Department of Biotechnology, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
- Corresponding author at: 18, Chaowang Road, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China.
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26
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Hu Q, Lyon CJ, Fletcher JK, Tang W, Wan M, Hu TY. Extracellular vesicle activities regulating macrophage- and tissue-mediated injury and repair responses. Acta Pharm Sin B 2021; 11:1493-1512. [PMID: 34221864 PMCID: PMC8245807 DOI: 10.1016/j.apsb.2020.12.014] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 12/04/2020] [Accepted: 12/09/2020] [Indexed: 02/08/2023] Open
Abstract
Macrophages are typically identified as classically activated (M1) macrophages and alternatively activated (M2) macrophages, which respectively exhibit pro- and anti-inflammatory phenotypes, and the balance between these two subtypes plays a critical role in the regulation of tissue inflammation, injury, and repair processes. Recent studies indicate that tissue cells and macrophages interact via the release of small extracellular vesicles (EVs) in processes where EVs released by stressed tissue cells can promote the activation and polarization of adjacent macrophages which can in turn release EVs and factors that can promote cell stress and tissue inflammation and injury, and vice versa. This review discusses the roles of such EVs in regulating such interactions to influence tissue inflammation and injury in a number of acute and chronic inflammatory disease conditions, and the potential applications, advantage and concerns for using EV-based therapeutic approaches to treat such conditions, including their potential role of drug carriers for the treatment of infectious diseases.
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Key Words
- ADSCs, adipose-derived stem cells
- AKI, acute kidney injury
- ALI, acute lung injury
- AMs, alveolar macrophages
- BMSCs, bone marrow stromal cells
- CLP, cecal ligation and puncture
- DSS, dextran sodium sulphate
- EVs, extracellular vesicles
- Extracellular vesicles
- HSPA12B, heat shock protein A12B
- HUCMSCs, human umbilical cord mesenchymal stem cells
- IBD, inflammatory bowel disease
- ICAM-1, intercellular adhesion molecule 1
- IL-1β, interleukin-1β
- Inflammatory disease
- Interaction loop
- KCs, Kupffer cells
- KLF4, krüppel-like factor 4
- LPS, lipopolysaccharides
- MHC, major histocompatibility complex
- MSCs, mesenchymal stromal cells
- MVs, microvesicles
- Macrophage
- PEG, polyethylene glycol
- PMFA, 5,7,30,40,50-pentamethoxyflavanone
- PPARγ, peroxisome proliferator-activated receptor γ
- SIRPα, signal regulatory protein α
- Sepsis
- Stem cell
- TECs, tubular epithelial cells
- TNF, tumor necrosis factor
- TRAIL, tumor necrosis factor-related apoptosis-inducing ligand
- Targeted therapy
- Tissue injury
- iNOS, inducible nitrogen oxide synthase
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27
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Kloc M, Kubiak JZ. The Role of Monocytes and Macrophages in Homeostasis and Disease and Novel Avenues for Putative Treatments. Int J Mol Sci 2021; 22:ijms22094927. [PMID: 34066450 PMCID: PMC8125502 DOI: 10.3390/ijms22094927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 04/29/2021] [Indexed: 11/29/2022] Open
Affiliation(s)
- Malgorzata Kloc
- Houston Methodist Research Institute, Houston, TX 77030, USA
- Department of Surgery, Houston Methodist Hospital, Houston, TX 77030, USA
- M.D. Anderson Cancer Center, Department of Genetics, University of Texas, Houston, TX 77030, USA
- Correspondence: (M.K.); (J.Z.K.)
| | - Jacek Z. Kubiak
- Department of Regenerative Medicine and Cell Biology, Military Institute of Hygiene and Epidemiology (WIHE), 01-163 Warsaw, Poland
- Dynamics and Mechanics of Epithelia Group, Faculty of Medicine, Institute of Genetics and Development of Rennes (IGDR), University of Rennes, CNRS, UMR 6290, 35000 Rennes, France
- Correspondence: (M.K.); (J.Z.K.)
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28
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Pirolli NH, Bentley WE, Jay SM. Bacterial Extracellular Vesicles and the Gut-Microbiota Brain Axis: Emerging Roles in Communication and Potential as Therapeutics. Adv Biol (Weinh) 2021; 5:e2000540. [PMID: 33857347 DOI: 10.1002/adbi.202000540] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/24/2021] [Indexed: 12/20/2022]
Abstract
Bacterial extracellular vesicles (BEVs) have emerged as candidate signaling vectors for long-distance interkingdom communication within the gut-microbiota brain axis. Most bacteria release these nanosized vesicles, capable of signaling to the brain via their abundant protein and small RNA cargo, possibly directly via crossing the blood-brain barrier. BEVs have been shown to regulate brain gene expression and induce pathology at most stages of neuroinflammation and neurodegeneration, and thus they may play a causal role in diseases such as Alzheimer's, Parkinson's, and depression/anxiety. On the other hand, BEVs have intrinsic therapeutic properties that may be relevant to probiotic therapy and can also be engineered to function as drug delivery vehicles and vaccines. Thus, BEVs may be both a cause of and solution to neuropathological conditions. In this review, current knowledge of the physiological roles of BEVs as well as state of the art pertaining to the development of therapeutic BEVs in the context of the microbiome-gut-brain axis are summarized.
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Affiliation(s)
- Nicholas H Pirolli
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD, 20742, USA
| | - William E Bentley
- Fischell Department of Bioengineering, Robert E. Fischell Institute, and Institute for Bioscience and Biotechnology Research, University of Maryland, 5120A A. James Clark Hall, College Park, MD, 20742, USA
| | - Steven M Jay
- Fischell Department of Bioengineering and Program in Molecular and Cell Biology, University of Maryland, 3116 A. James Clark Hall, College Park, MD, 20742, USA
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29
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Gilmore WJ, Johnston EL, Zavan L, Bitto NJ, Kaparakis-Liaskos M. Immunomodulatory roles and novel applications of bacterial membrane vesicles. Mol Immunol 2021; 134:72-85. [PMID: 33725501 DOI: 10.1016/j.molimm.2021.02.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/15/2021] [Accepted: 02/24/2021] [Indexed: 12/19/2022]
Abstract
Bacteria release extracellular vesicles (EVs) known as bacterial membrane vesicles (BMVs) during their normal growth. Gram-negative bacteria produce BMVs termed outer membrane vesicles (OMVs) that are composed of a range of biological cargo and facilitate numerous bacterial functions, including promoting pathogenesis and mediating disease in the host. By contrast, less is understood about BMVs produced by Gram-positive bacteria, which are referred to as membrane vesicles (MVs), however their contribution to mediating bacterial pathogenesis has recently become evident. In this review, we summarise the mechanisms whereby BMVs released by Gram-negative and Gram-positive bacteria are produced, in addition to discussing their key functions in promoting bacterial survival, mediating pathogenesis and modulating host immune responses. Furthermore, we discuss the mechanisms whereby BMVs produced by both commensal and pathogenic organisms can enter host cells and interact with innate immune receptors, in addition to how they modulate host innate and adaptive immunity to promote immunotolerance or drive the onset and progression of disease. Finally, we highlight current and emerging applications of BMVs in vaccine design, biotechnology and cancer therapeutics.
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Affiliation(s)
- William J Gilmore
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia; Research Centre for Extracellular Vesicles, School of Molecular Science, La Trobe University, Melbourne, VIC, Australia
| | - Ella L Johnston
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia; Research Centre for Extracellular Vesicles, School of Molecular Science, La Trobe University, Melbourne, VIC, Australia
| | - Lauren Zavan
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia; Research Centre for Extracellular Vesicles, School of Molecular Science, La Trobe University, Melbourne, VIC, Australia
| | - Natalie J Bitto
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia; Research Centre for Extracellular Vesicles, School of Molecular Science, La Trobe University, Melbourne, VIC, Australia
| | - Maria Kaparakis-Liaskos
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia; Research Centre for Extracellular Vesicles, School of Molecular Science, La Trobe University, Melbourne, VIC, Australia.
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30
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Chulkina M, Beswick EJ, Pinchuk IV. Role of PD-L1 in Gut Mucosa Tolerance and Chronic Inflammation. Int J Mol Sci 2020; 21:E9165. [PMID: 33271941 DOI: 10.3390/ijms21239165] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/25/2020] [Accepted: 11/27/2020] [Indexed: 12/11/2022] Open
Abstract
The gastrointestinal (GI) mucosa is among the most complex systems in the body. It has a diverse commensal microbiome challenged continuously by food and microbial components while delivering essential nutrients and defending against pathogens. For these reasons, regulatory cells and receptors are likely to play a central role in maintaining the gut mucosal homeostasis. Recent lessons from cancer immunotherapy point out the critical role of the B7 negative co-stimulator PD-L1 in mucosal homeostasis. In this review, we summarize the current knowledge supporting the critical role of PD-L1 in gastrointestinal mucosal tolerance and how abnormalities in its expression and signaling contribute to gut inflammation and cancers. Abnormal expression of PD-L1 and/or the PD-1/PD-L1 signaling pathways have been observed in the pathology of the GI tract. We also discuss the current gap in our knowledge with regards to PD-L1 signaling in the GI tract under homeostasis and pathology. Finally, we summarize the current understanding of how this pathway is currently targeted to develop novel therapeutic approaches.
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