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Munley JA, Willis ML, Gillies GS, Kannan KB, Polcz VE, Balch JA, Barrios EL, Wallet SM, Bible LE, Efron PA, Maile R, Mohr AM. Exosomal microRNA following severe trauma: Role in bone marrow dysfunction. J Trauma Acute Care Surg 2024; 96:548-556. [PMID: 38151766 PMCID: PMC10978306 DOI: 10.1097/ta.0000000000004225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
INTRODUCTION Severe trauma disrupts bone marrow function and is associated with persistent anemia and altered hematopoiesis. Previously, plasma-derived exosomes isolated after trauma have been shown to suppress in vitro bone marrow function. However, the cargo contained in these vesicles has not been examined. We hypothesized that trauma plasma-derived exosomes exhibit microRNA (miRNA) changes that impact bone marrow function after severe injury. METHODS Plasma was collected from a prospective cohort study of trauma patients (n = 15; 7 males, 8 females) with hip and/or femur fractures and an Injury Severity Score of ≥15; elective total hip arthroplasty (THA) patients (n = 8; 4 males, 4 females) served as operative controls. Exosomes were isolated from plasma with the Invitrogen Total Exosome Isolation Kit (Thermo Fisher Scientific, Waltham, MA), and RNA was isolated using a miRNeasy Mini Kit (Qiagen, Hilden, Germany). Direct quantification of miRNA was performed by NanoString Technologies on a human miRNA gene panel and analyzed with nSolver with significance defined as p < 0.05. RESULTS There were no differences in age or sex distribution between trauma and THA groups; the average Injury Severity Score was 23. Trauma plasma-derived exosomes had 60 miRNA identities that were significantly downregulated and 3 miRNAs that were upregulated when compared with THA ( p < 0.05). Twelve of the downregulated miRNAs have a direct role in hematopoiesis regulation. Furthermore, male trauma plasma-derived exosomes demonstrated downregulation of 150 miRNAs compared with male THA ( p < 0.05). Female trauma plasma-derived exosomes demonstrated downregulation of only four miRNAs and upregulation of two miRNAs compared with female THA ( p < 0.05). CONCLUSION We observed downregulation of 12 miRNAs linked to hematopoiesis along with sexual dimorphism in miRNA expression from plasma-derived exosomes following severe trauma. Understanding sexually dimorphic miRNA expression provides new insight into sex-based changes in postinjury systemic inflammation, immune system dysregulation, and bone marrow dysfunction and will aid us in more precise future potential therapeutic strategies. LEVEL OF EVIDENCE Prognostic and Epidemiological; Level III.
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Affiliation(s)
- Jennifer A. Munley
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Micah L. Willis
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Gwendolyn S. Gillies
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Kolenkode B. Kannan
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Valerie E. Polcz
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Jeremy A. Balch
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Evan L. Barrios
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Shannon M. Wallet
- Department of Oral Biology, University of Florida College of Medicine, Gainesville, Florida
| | - Letitia E. Bible
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Philip A. Efron
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Robert Maile
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
| | - Alicia M. Mohr
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, Florida
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Ortmann W, Such A, Cichon I, Baj-Krzyworzeka M, Weglarczyk K, Kolaczkowska E. Large extracellular vesicle (EV) and neutrophil extracellular trap (NET) interaction captured in vivo during systemic inflammation. Sci Rep 2024; 14:4680. [PMID: 38409254 PMCID: PMC10897202 DOI: 10.1038/s41598-024-55081-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/19/2024] [Indexed: 02/28/2024] Open
Abstract
Extracellular vesicles (EVs) and neutrophil extracellular traps (NETs) are pivotal bioactive structures involved in various processes including inflammation. Herein we report the interactions between EVs and NETs during murine endotoxemia studied in situ directly in the vasculature (cremaster muscle, liver sinusoids) using intravital microscopy (IVM). We captured NETs and EV release in real time by both non- and polarized neutrophils in liver but not in cremaster vasculature. When comparing numbers of circulating EVs of various origin (nanoparticle tracking analysis-NTA, flow cytometry) with those interacting with endothelium and NETs (IVM) we observed that whereas platelet and monocyte/macrophage-derived EVs dominate in blood and peritoneal lavage, respectively, mostly neutrophil-derived EVs interact with the vascular lining, NETs and leukocytes. Despite the interaction, NETs do not affect EV formation as NET release inhibition did not alter EV release. However, EVs inhibit NETs formation and in particular, erythrocyte-derived EVs downregulate NET release and this effect is mediated via Siglec-E-dependent interactions with neutrophils. Overall, we report that EVs are present in NETs in vivo and they do modulate their release but the process in not bidirectional. Moreover, EVs isolated from body fluids might not reflect their importance in direct endothelial- and leukocyte-related interactions.
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Affiliation(s)
- Weronika Ortmann
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
| | - Anna Such
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Krakow, Poland
| | - Iwona Cichon
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland
| | - Monika Baj-Krzyworzeka
- Department of Clinical Immunology, Jagiellonian University Medical College, Wielicka 265 Str, 30-663, Krakow, Poland
| | - Kazimierz Weglarczyk
- Department of Clinical Immunology, Jagiellonian University Medical College, Wielicka 265 Str, 30-663, Krakow, Poland
| | - Elzbieta Kolaczkowska
- Department of Experimental Hematology, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9 Str, 30-387, Krakow, Poland.
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Nash GB. The rheology of interactions between leukocytes, platelets and the vessel wall in thrombo-inflammation. Biorheology 2024; 59:63-80. [PMID: 38461497 DOI: 10.3233/bir-230040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Leukocytes and platelets must adhere to the wall of blood vessels to carry out their protective functions in inflammation and haemostasis. Recruitment is critically dependent on rheological variables (wall shear rate and stress, red cell aggregation and haematocrit) which affect delivery to the vessel wall as well as velocities and forces experienced there. Leukocyte recruitment is efficient only up to wall shear rates of about 300 s-1 and usually restricted to low-shear post-capillary venules in inflammation. Being smaller, platelets experience lower velocities and shear forces adjacent to the wall and can adhere at much higher shear rates for haemostasis in arteries. In addition, we found quite different effects of variations in haematocrit or red cell aggregation on attachment of neutrophils or platelets, which also assist their separate recruitment in venules or arteries. However, it has become increasingly evident that inflammatory and thrombotic responses may occur together, with platelets promoting the adhesion and activation of neutrophils and monocytes. Indeed, it is 30 years since we demonstrated that platelets could cause neutrophils to aggregate in suspension and, when attached to a surface, could support selectin-mediated rolling of all leukocytes. Thrombin-activated platelets could further induce neutrophil activation and immobilisation. In some conditions, platelets could bind to intact endothelial monolayers and capture neutrophils or monocytes. Subsequently, we found that extracellular vesicles released by activated platelets (PEV) fulfilled similar functions when deposited on surfaces or bound to endothelial cells. In murine models, platelets or PEV could act as bridges for monocytes in inflamed vessels. Thus, leukocytes and platelets are rheologically adapted for their separate functions, while novel thrombo-inflammatory pathways using platelets or PEV may underlie pathogenic leukocyte recruitment.
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Affiliation(s)
- Gerard B Nash
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
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Wang B, Wöhler A, Greven J, Salzmann RJS, Keller CM, Tertel T, Zhao Q, Mert Ü, Horst K, Lupu L, Huber-Lang M, van Griensven M, Mollnes TE, Schaaf S, Schwab R, Strassburg CP, Schmidt-Wolf IGH, Giebel B, Hildebrand F, Lukacs-Kornek V, Willms AG, Kornek MT. Liquid Biopsy in Organ Damage: small extracellular vesicle chip-based assessment of polytrauma. Front Immunol 2023; 14:1279496. [PMID: 38035093 PMCID: PMC10684673 DOI: 10.3389/fimmu.2023.1279496] [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: 08/18/2023] [Accepted: 10/23/2023] [Indexed: 12/02/2023] Open
Abstract
Background Despite major advances in medicine, blood-borne biomarkers are urgently needed to support decision-making, including polytrauma. Here, we assessed serum-derived extracellular vesicles (EVs) as potential markers of decision-making in polytrauma. Objective Our Liquid Biopsy in Organ Damage (LiBOD) study aimed to differentiate polytrauma with organ injury from polytrauma without organ injury. We analysed of blood-borne small EVs at the individual level using a combination of immunocapture and high-resolution imaging. Methods To this end, we isolated, purified, and characterized small EVs according to the latest Minimal Information for Studies of Extracellular Vesicles (MISEV) guidelines from human blood collected within 24 h post-trauma and validated our results using a porcine polytrauma model. Results We found that small EVs derived from monocytes CD14+ and CD14+CD61+ were significantly elevated in polytrauma with organ damage. To be precise, our findings revealed that CD9+CD14+ and CD14+CD61+ small EVs exhibited superior performance compared to CD9+CD61+ small EVs in accurately indicating polytrauma with organ damage, reaching a sensitivity and a specificity of 0.81% and 0.97%, respectively. The results in humans were confirmed in an independent porcine model of polytrauma. Conclusion These findings suggest that these specific types of small EVs may serve as valuable, non-invasive, and objective biomarkers for assessing and monitoring the severity of polytrauma and associated organ damage.
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Affiliation(s)
- Bingduo Wang
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Aliona Wöhler
- Department of General, Visceral and Thoracic Surgery, German Armed Forces Central Hospital, Koblenz, Germany
| | - Johannes Greven
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Rebekka J. S. Salzmann
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Cindy M. Keller
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Tobias Tertel
- Institute for Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Qun Zhao
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Ümit Mert
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Klemens Horst
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Ludmila Lupu
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Martijn van Griensven
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
| | - Tom Erik Mollnes
- Research Laboratory, Nordland Hospital Bodø, Bodø, Norway
- Department of Immunology, Oslo University Hospital, and University of Oslo, Oslo, Norway
- Center of Molecular Inflammation Research, Norwegian University of Science and Technology, Trondheim, Norway
| | - Sebastian Schaaf
- Department of General, Visceral and Thoracic Surgery, German Armed Forces Central Hospital, Koblenz, Germany
| | - Robert Schwab
- Department of General, Visceral and Thoracic Surgery, German Armed Forces Central Hospital, Koblenz, Germany
| | - Christian P. Strassburg
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Ingo G. H. Schmidt-Wolf
- Department of Integrated Oncology, Center for Integrated Oncology, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Bernd Giebel
- Institute for Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Frank Hildebrand
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Veronika Lukacs-Kornek
- Institute of Molecular Medicine and Experimental Immunology, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
| | - Arnulf G. Willms
- Institute of Molecular Medicine and Experimental Immunology, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
- Department of General and Visceral Surgery, German Armed Forces Hospital, Hamburg, Germany
| | - Miroslaw T. Kornek
- Department of Internal Medicine I, University Hospital Bonn of the Rheinische Friedrich-Wilhelms-University, Bonn, Germany
- Department of General, Visceral and Thoracic Surgery, German Armed Forces Central Hospital, Koblenz, Germany
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Groven RVM, Greven J, Mert Ü, Horst K, Zhao Q, Blokhuis TJ, Huber-Lang M, Hildebrand F, van Griensven M. Circulating miRNA expression in extracellular vesicles is associated with specific injuries after multiple trauma and surgical invasiveness. Front Immunol 2023; 14:1273612. [PMID: 37936707 PMCID: PMC10626999 DOI: 10.3389/fimmu.2023.1273612] [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: 08/06/2023] [Accepted: 10/04/2023] [Indexed: 11/09/2023] Open
Abstract
Introduction Two trauma treatment principles are Early Total Care (ETC), and Damage Control Orthopedics (DCO). Cellular mechanisms that underlie the connection between treatment type, its systemic effects, and tissue regeneration are not fully known. Therefore, this study aimed to: 1) profile microRNA (miRNA) expression in plasma derived Extracellular Vesicles (EVs) from a porcine multiple trauma model at different timepoints, comparing two surgical treatments; and 2) determine and validate the miRNA's messengerRNA (mRNA) targets. Methods The porcine multiple trauma model consisted of blunt chest trauma, liver laceration, bilateral femur fractures, and controlled haemorrhagic shock. Two treatment groups were defined, ETC (n=8), and DCO (n=8). Animals were monitored under Intensive Care Unit-standards, blood was sampled at 1.5, 2.5, 24, and 72 hours after trauma, and EVs were harvested from plasma. MiRNAs were analysed using quantitative Polymerase Chain Reaction arrays. MRNA targets were identified in silico and validated in vivo in lung and liver tissue. Results The arrays showed distinct treatment specific miRNA expression patterns throughout all timepoints, and miRNAs related to the multiple trauma and its individual injuries. EV-packed miRNA expression in the ETC group was more pro-inflammatory, indicating potentially decreased tissue regenerative capacities in the acute post-traumatic phase. In silico target prediction revealed several overlapping mRNA targets among the identified miRNAs, related to inflammation, (pulmonary) fibrosis, and Wnt-signalling. These were, among others, A Disintegrin and Metalloproteinase domain-containing protein 10, Collagen Type 1 Alpha 1 Chain, Catenin Beta Interacting Protein 1, and Signal Transducers and Activators of Transcription 3. Validation of these mRNA targets in the lung showed significant, treatment specific deregulations which matched the expression of their upstream miRNAs. No significant mRNA deregulations were observed in the liver. Discussion This study showed treatment specific, EV-packed miRNA expression patterns after trauma that correlated with mRNA expressions in the lungs, target organs over distance. A systemic response to the increased surgical trauma in the ETC group was identified, with various miRNAs associated with injuries from the trauma model, and involved in (systemic) inflammation, tissue regeneration. EV-transported miRNAs demonstrated a clear role in multiple trauma, warranting further research into tissue-tissue talk and therapeutic applications of EVs after trauma.
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Affiliation(s)
- Rald Victor Maria Groven
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
- Division of Trauma Surgery, Department of Surgery, Maastricht University Medical Center+, Maastricht, Netherlands
| | - Johannes Greven
- Experimental Orthopaedics and Trauma Surgery, Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Ümit Mert
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Klemens Horst
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Qun Zhao
- Experimental Orthopaedics and Trauma Surgery, Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Taco Johan Blokhuis
- Division of Trauma Surgery, Department of Surgery, Maastricht University Medical Center+, Maastricht, Netherlands
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Frank Hildebrand
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Aachen, Germany
| | - Martijn van Griensven
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
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Weber B, Sturm R, Henrich D, Marzi I, Leppik L. CD44+ and CD31+ extracellular vesicles (EVs) are significantly reduced in polytraumatized patients with hemorrhagic shock - evaluation of their diagnostic and prognostic potential. Front Immunol 2023; 14:1196241. [PMID: 37662913 PMCID: PMC10471799 DOI: 10.3389/fimmu.2023.1196241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/25/2023] [Indexed: 09/05/2023] Open
Abstract
Background Hemorrhagic shock (HS) is responsible for approximately 2 million deaths per year worldwide and is caused in 80% by polytrauma. These patients need a precise and quick diagnostic, which should be based on a combination of laboratory markers and radiological data. Extracellular vesicles (EVs) were described as potential new markers and mediators in trauma. The aim of the present study was to analyze, whether the surface epitopes of plasma-EVs reflect HS in polytraumatized patients and whether cell-specific EV subpopulations are useful diagnostic tools. Material and methods Plasma samples from polytraumatized patients (ISS ≥16) with HS (n=10) and without (n=15), were collected at emergency room (ER) and 24h after trauma. Plasma-EVs were isolated via size exclusion chromatography and EV-concentrations were detected by Coomassie Plus (Bradford) Assay. The EVs subpopulations were investigated by a bead-based multiplex flow cytometry measurement of surface epitopes and were compared with healthy controls (n=10). To investigate the diagnostic and prognostic potential of EVs subpopulations, results were correlated with clinical outcome parameters documented in the electronical patients' record. Results We observed a significant reduction of the total amount of plasma EVs in polytrauma patients with HS, as compared to polytrauma patients without HS and healthy controls. We found significant reduction of CD42a+ and CD41b+ (platelet-derived) EVs in all polytrauma patients, as well as a reduction of CD29+ EVs compared to healthy volunteers (*p<0.05). CD44+ and CD31+ EVs were specifically altered in patients with HS (*p<0.05). Both EV populations showed a moderate correlation (r² = 0.42) with the transfusion of erythrocyte concentrate, were associated with non-survival and the need for catecholamines (*p<0.05). Conclusion Our data reveal that polytrauma patients with a hemorrhagic shock are characterized by a reduction of CD44+ and CD31+ plasma-EVs. Both EV populations showed a moderate correlation with the need of erythrocyte transfusion, were associated with non-survival and the need for catecholamines.
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Affiliation(s)
- Birte Weber
- Department of Trauma−, Hand− and Reconstructive Surgery, University Hospital Frankfurt, Goethe-University, Frankfurt am Main, Germany
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Areny-Balagueró A, Solé-Porta A, Camprubí-Rimblas M, Campaña-Duel E, Ceccato A, Roig A, Closa D, Artigas A. Bioengineered extracellular vesicles: future of precision medicine for sepsis. Intensive Care Med Exp 2023; 11:11. [PMID: 36894763 PMCID: PMC9998145 DOI: 10.1186/s40635-023-00491-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 01/01/2023] [Indexed: 03/11/2023] Open
Abstract
Sepsis is a syndromic response to infection and is frequently a final common pathway to death from many infectious diseases worldwide. The complexity and high heterogeneity of sepsis hinder the possibility to treat all patients with the same protocol, requiring personalized management. The versatility of extracellular vesicles (EVs) and their contribution to sepsis progression bring along promises for one-to-one tailoring sepsis treatment and diagnosis. In this article, we critically review the endogenous role of EVs in sepsis progression and how current advancements have improved EVs-based therapies toward their translational future clinical application, with innovative strategies to enhance EVs effect. More complex approaches, including hybrid and fully synthetic nanocarriers that mimic EVs, are also discussed. Several pre-clinical and clinical studies are examined through the review to offer a general outlook of the current and future perspectives of EV-based sepsis diagnosis and treatment.
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Affiliation(s)
- Aina Areny-Balagueró
- Institut d’Investigació i Innovació Parc Taulí (I3PT), Parc Taulí Hospital Universitari, 08208 Sabadell, Spain
- Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Anna Solé-Porta
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Bellaterra, Spain
| | - Marta Camprubí-Rimblas
- Institut d’Investigació i Innovació Parc Taulí (I3PT), Parc Taulí Hospital Universitari, 08208 Sabadell, Spain
- Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Present Address: Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias, CIBERES-Instituto De Salud Carlos III, 28029 Madrid, Spain
| | - Elena Campaña-Duel
- Institut d’Investigació i Innovació Parc Taulí (I3PT), Parc Taulí Hospital Universitari, 08208 Sabadell, Spain
| | - Adrián Ceccato
- Institut d’Investigació i Innovació Parc Taulí (I3PT), Parc Taulí Hospital Universitari, 08208 Sabadell, Spain
- Present Address: Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias, CIBERES-Instituto De Salud Carlos III, 28029 Madrid, Spain
| | - Anna Roig
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, 08193 Bellaterra, Spain
| | - Daniel Closa
- Institut d’Investigacions Biomèdiques de Barcelona, Consejo Superior de Investigaciones Científicas (IIBB-CSIC), 08036 Barcelona, Spain
| | - Antonio Artigas
- Institut d’Investigació i Innovació Parc Taulí (I3PT), Parc Taulí Hospital Universitari, 08208 Sabadell, Spain
- Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Present Address: Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias, CIBERES-Instituto De Salud Carlos III, 28029 Madrid, Spain
- Servei de Medicina Intensiva, Corporació Sanitària i Universitària Parc Taulí, 08208 Sabadell, Spain
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Weber B, Henrich D, Schindler CR, Marzi I, Leppik L. Release of exosomes in polytraumatized patients: The injury pattern is reflected by the surface epitopes. Front Immunol 2023; 14:1107150. [PMID: 36969201 PMCID: PMC10034046 DOI: 10.3389/fimmu.2023.1107150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 02/27/2023] [Indexed: 03/11/2023] Open
Abstract
BackgroundTrauma is still a leading cause of morbidity and mortality, especially in the younger population. Trauma patients need a precise, early diagnostic to avoid complications like multiorgan failure and sepsis. Exosomes were described as markers and mediators in trauma. The aim of the present study was to analyze, whether the surface epitopes of plasma-exosomes can reflect the injury pattern in polytrauma.Material and MethodsPolytraumatized patients (Injury Severity Score = ISS ≥16, n = 38) were subdivided according to the predominant injury in either abdominal trauma, chest trauma or traumatic brain injury (TBI). Plasma exosomes were isolated via size exclusion chromatography. The concentration and size distribution of the plasma exosomes from emergency room samples were measured by nanoparticle tracking analysis. The exosomal surface antigens were investigated by bead-based multiplex flow cytometry and compared with healthy controls (n=10).ResultsIn contrast to other studies, we did not observe an increase in the total amount of plasma exosomes in polytrauma patients (1,15x109 vs. 1,13x109 particles/ml), but found changes in the exosomal surface epitopes. We found a significant reduction of CD42a+ (platelet-derived) exosomes in polytrauma patients, CD209+ (dendritic cell-derived) exosomes in the patients with predominant abdominal trauma, and CD11+ (monocyte-derived) exosomes in the patients with chest trauma. The group of patients with TBI was characterized in contrast by an increase of CD62p+ (endothelial/platelet-derived) exosomes (*p<0.05).ConclusionOur data showed that the polytrauma injury pattern might be reflected by the cellular origin/surface epitopes of plasma-released exosomes immediately after trauma. The observed reduction of CD42+ exosomes in polytrauma patients was not associated with a reduction of total platelets in polytrauma patients.
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Zeineddin A, Wu F, Dong JF, Huang H, Zou L, Chao W, Dorman B, Kozar RA. TRAUMA-DERIVED EXTRACELLULAR VESICLES ARE SUFFICIENT TO INDUCE ENDOTHELIAL DYSFUNCTION AND COAGULOPATHY. Shock 2022; 58:38-44. [PMID: 35984759 PMCID: PMC9750939 DOI: 10.1097/shk.0000000000001950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACTINTRODUCTION Although a number of studies have demonstrated increased release of extracellular vesicles (EVs) and changes in their origin differentials after trauma, the biologic significance of EVs is not well understood. We hypothesized that EVs released after trauma/hemorrhagic shock (HS) contribute to endotheliopathy and coagulopathy. To test this hypothesis, adoptive transfer experiments were performed to determine whether EVs derived from severely injured patients in shock were sufficient to induce endothelial dysfunction and coagulopathy. Methods: Total EVs were enriched from plasma of severely injured trauma/HS patients or minimally injured patients by ultracentrifugation and characterized for size and numbers. Under isoflurane anesthesia, noninjured naive C57BL/6J mice were administered EVs at varying concentrations and compared with mice receiving equal volume vehicle (phosphate-buffered saline (PBS)) or to mice receiving EVs from minimally injured patients. Thirty minutes after injection, mice were sacrificed, and blood was collected for thrombin generation (thrombin-antithrombin, thrombin-antithrombin complex [TAT] assay) and syndecan-1 by enzyme-linked immunoabsorbent assay (ELISA). Lungs were harvested for examination of histopathologic injury and costained with von Willebrand factor and fibrin to identify intravascular coagulation. Bronchial alveolar lavage fluid was aspirated from lungs for protein measurement as an indicator of the endothelial permeability. Data are presented as mean ± SD, P < 0.05 was considered significant, and t test was used. Results: An initial proof-of-concept experiment was performed in naive mice receiving EVs purified from severely injured trauma/HS patients (Injury Severity Score [ISS], 34 ± 7) at different concentrations (5 × 106 to 3.1 × 109/100 μL/mouse) and compared with PBS (control) mice. Neither TAT nor syndecan-1 levels were significantly different between groups at 30 minutes after EV infusion. However, lung vascular permeability and histopathologic injury were significantly higher in the EV group, and lung tissues demonstrated intravascular fibrin deposition. Based on these data, EVs from severely injured trauma/HS patients (ISS, 32 ± 6) or EVs from minimally injured patients (ISS, 8 ± 3) were administered to naive mice at higher concentrations (1 × 109 to 1 × 1010 EV/100 μL/mouse). Compared with mice receiving EVs from minimally injured patients, plasma TAT and syndecan-1 levels were significantly higher in the trauma/HS EV group. Similarly, bronchial alveolar lavage protein and lung histopathologic injury were higher in the trauma/HS EV group, and lung tissues demonstrated enhanced intravascular fibrin deposition. Conclusion: These data demonstrate that trauma/HS results in the systemic release of EVs, which are capable of inducing endotheliopathy as demonstrated by elevated syndecan-1 and increased permeability and coagulopathy as demonstrated by increased TAT and intravascular fibrin deposition. Targeting trauma-induced EVs may represent a novel therapeutic strategy.
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Affiliation(s)
- Ahmad Zeineddin
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
| | - Feng Wu
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
| | - Jing-Fei Dong
- Bloodworks Research Institute, Seattle, WA, US
- Hematology Division, Department of Medicine, University of Washington School of Medicine, Seattle, WA, US
| | - Huang Huang
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, US
| | - Lin Zou
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, US
| | - Wei Chao
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, US
| | - Brooke Dorman
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
| | - Rosemary A Kozar
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
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10
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Avalos PN, Forsthoefel DJ. An Emerging Frontier in Intercellular Communication: Extracellular Vesicles in Regeneration. Front Cell Dev Biol 2022; 10:849905. [PMID: 35646926 PMCID: PMC9130466 DOI: 10.3389/fcell.2022.849905] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/28/2022] [Indexed: 12/12/2022] Open
Abstract
Regeneration requires cellular proliferation, differentiation, and other processes that are regulated by secreted cues originating from cells in the local environment. Recent studies suggest that signaling by extracellular vesicles (EVs), another mode of paracrine communication, may also play a significant role in coordinating cellular behaviors during regeneration. EVs are nanoparticles composed of a lipid bilayer enclosing proteins, nucleic acids, lipids, and other metabolites, and are secreted by most cell types. Upon EV uptake by target cells, EV cargo can influence diverse cellular behaviors during regeneration, including cell survival, immune responses, extracellular matrix remodeling, proliferation, migration, and differentiation. In this review, we briefly introduce the history of EV research and EV biogenesis. Then, we review current understanding of how EVs regulate cellular behaviors during regeneration derived from numerous studies of stem cell-derived EVs in mammalian injury models. Finally, we discuss the potential of other established and emerging research organisms to expand our mechanistic knowledge of basic EV biology, how injury modulates EV biogenesis, cellular sources of EVs in vivo, and the roles of EVs in organisms with greater regenerative capacity.
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Affiliation(s)
- Priscilla N. Avalos
- Department of Cell Biology, College of Medicine, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - David J. Forsthoefel
- Department of Cell Biology, College of Medicine, The University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
- Genes and Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
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11
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Wang R, Gao R, Xie X, Chen H, Zhao Q, Zhang X, Zhang C, Deng L, Lv P, Zheng Q, Zhu T, Chen C. Perioperative platelet count in peripheral blood is associated with the early stage of PND after major orthopedic surgery: a prospective observational study. BMC Geriatr 2022; 22:200. [PMID: 35287583 PMCID: PMC8919528 DOI: 10.1186/s12877-022-02899-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 03/04/2022] [Indexed: 02/08/2023] Open
Abstract
Background Perioperative neurocognitive disorders (PND) are common complications of major surgery among elderly patients, remarkably decreasing patients’ life quality. Platelet count has been proved to be an essential factor in inflammation. However, as far as we know, the relationship between platelet count and PND is not clear yet in the orthopedic area. PND could be a long-term disease, which sometimes lasts for several years, and it is meaningful to find a biomarker of PND at the early stage. Thus, we designed this study to find out the association between perioperative platelet count and occurrence of PND, and determine whether preoperative platelet count could be a biomarker of the early stage of PND. Methods A prospective observational study was performed on the patients who would take total knee arthroplasty or total hip arthroplasty. Their peripheral platelets were counted by blood routine examination 1 day before and 3 days after the surgery. And we assessed their neurocognitive functions 1 day before and 3 days after the surgery. These data were recorded and analyzed to find out the relationship between platelet count and the occurrence of PND. Results Eventually, 70 patients finished the whole process, and 14 of them developed PND. The median preoperative platelet count in the PND group was significantly higher than that in the non-PND group (239 vs 168 × 10^9/L, p = 0.009). Preoperative platelet count was an independent risk factor for PND (odds ratio = 1.014, 95% confidence interval [CI] 1.000–1.027, P = 0.043) in the logistic multivariable regression, while the area under the curve of the receiver operating characteristic curve of the prediction model was 0.796 (95% CI 0.676–0.916). Conclusions The higher preoperative and postoperative level of platelet count in the peripheral blood were associated with the early stage of PND, and preoperative platelet count could be a potential predictor of the early stage of PND in patients undergoing major orthopedic surgeries. Trial registration Chinese Clinical Trial Registry: ChiCTR2000033001, registration date: 17 May 2020. Supplementary Information The online version contains supplementary material available at 10.1186/s12877-022-02899-7.
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Affiliation(s)
- Ruiqun Wang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Rui Gao
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xiaoyu Xie
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Hai Chen
- Department of Respiratory and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qi Zhao
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xueying Zhang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Changteng Zhang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Liyun Deng
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Peilin Lv
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Qin Zheng
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Tao Zhu
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Chan Chen
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China. .,Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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12
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Reginald-Opara JN, Svirskis D, Paek S, Tang M, O'Carroll SJ, Dean JM, Chamley LW, Wu Z. The involvement of extracellular vesicles in the transcytosis of nanoliposomes through brain endothelial cells, and the impact of liposomal pH-sensitivity. Mater Today Bio 2022; 13:100212. [PMID: 35198960 PMCID: PMC8841812 DOI: 10.1016/j.mtbio.2022.100212] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 10/29/2022] Open
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13
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Alsaadi N, Srinivasan AJ, Seshadri A, Shiel M, Neal MD, Scott MJ. The emerging therapeutic potential of extracellular vesicles in trauma. J Leukoc Biol 2022; 111:93-111. [PMID: 34533241 PMCID: PMC9169334 DOI: 10.1002/jlb.3mir0621-298r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Traumatic injury is a major cause of morbidity and mortality worldwide, despite significant advances in treatments. Most deaths occur either very early, through massive head trauma/CNS injury or exsanguination (despite advances in transfusion medicine), or later after injury often through multiple organ failure and secondary infection. Extracellular vesicles (EVs) are known to increase in the circulation after trauma and have been used to limited extent as diagnostic and prognostic markers. More intriguingly, EVs are now being investigated as both causes of pathologies post trauma, such as trauma-induced coagulopathy, and as potential treatments. In this review, we highlight what is currently known about the role and effects of EVs in various aspects of trauma, as well as exploring current literature from investigators who have begun to use EVs therapeutically to alter the physiology and pathology of traumatic insults. The potential effectiveness of using EVs therapeutically in trauma is supported by a large number of experimental studies, but there is still some way to go before we understand the complex effects of EVs in what is already a complex disease process.
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Affiliation(s)
- Nijmeh Alsaadi
- Division of General and Trauma Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Amudan J. Srinivasan
- Division of General and Trauma Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Anupamaa Seshadri
- Division of General and Trauma Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Matthew Shiel
- Division of Hematology-Oncology, Department of Pediatrics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Matthew D. Neal
- Division of General and Trauma Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA,Pittsburgh Trauma Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Melanie J. Scott
- Division of General and Trauma Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA,Pittsburgh Trauma Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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14
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Seibold T, Schönfelder J, Weeber F, Lechel A, Armacki M, Waldenmaier M, Wille C, Palmer A, Halbgebauer R, Karasu E, Huber‐Lang M, Kalbitz M, Radermacher P, Paschke S, Seufferlein T, Eiseler T. Small Extracellular Vesicles Propagate the Inflammatory Response After Trauma. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102381. [PMID: 34713625 PMCID: PMC8693079 DOI: 10.1002/advs.202102381] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/20/2021] [Indexed: 05/03/2023]
Abstract
Trauma is the leading cause of death in individuals under 44 years of age. Thorax trauma (TxT) is strongly associated with trauma-related death, an unbalanced innate immune response, sepsis, acute respiratory distress syndrome, and multiple organ dysfunction. It is shown that different in vivo traumata, such as TxT or an in vitro polytrauma cytokine cocktail trigger secretion of small extracellular nanovesicles (sEVs) from endothelial cells with pro-inflammatory cargo. These sEVs transfer transcripts for ICAM-1, VCAM-1, E-selectin, and cytokines to systemically activate the endothelium, facilitate neutrophil-endothelium interactions, and destabilize barrier integrity. Inhibition of sEV-release after TxT in mice ameliorates local as well as systemic inflammation, neutrophil infiltration, and distant organ damage in kidneys (acute kidney injury, AKI). Vice versa, injection of TxT-plasma-sEVs into healthy animals is sufficient to trigger pulmonary and systemic inflammation as well as AKI. Accordingly, increased sEV concentrations and transfer of similar cargos are observed in polytrauma patients, suggesting a fundamental pathophysiological mechanism.
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Affiliation(s)
- Tanja Seibold
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Jonathan Schönfelder
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Florian Weeber
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - André Lechel
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Milena Armacki
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Mareike Waldenmaier
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Christoph Wille
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Annette Palmer
- Institute of Clinical and Experimental Trauma‐ImmunologyUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Rebecca Halbgebauer
- Institute of Clinical and Experimental Trauma‐ImmunologyUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Ebru Karasu
- Institute of Clinical and Experimental Trauma‐ImmunologyUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Markus Huber‐Lang
- Institute of Clinical and Experimental Trauma‐ImmunologyUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Miriam Kalbitz
- Department of TraumatologyHandPlastic and Reconstructive SurgeryUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Peter Radermacher
- Institute of Anesthesiological Pathophysiology and Process EngineeringUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Stephan Paschke
- Department of General and Visceral SurgeryUniversity HospitalAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Thomas Seufferlein
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
| | - Tim Eiseler
- Department of Internal Medicine IUniversity Hospital UlmAlbert‐Einstein‐Allee 23Ulm89081Germany
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15
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Rognes IN, Hellum M, Ottestad W, Bache KG, Eken T, Henriksson CE. Extracellular vesicle-associated procoagulant activity is highest the first 3 hours after trauma and thereafter declines substantially: A prospective observational pilot study. J Trauma Acute Care Surg 2021; 91:681-691. [PMID: 34225342 PMCID: PMC8460081 DOI: 10.1097/ta.0000000000003333] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 06/07/2021] [Accepted: 06/24/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Trauma patients have high concentrations of circulating extracellular vesicles (EVs) following injury, but the functional role of EVs in this setting is only partly deciphered. We aimed to describe in detail EV-associated procoagulant activity in individual trauma patients during the first 12 hours after injury to explore their putative function and relate findings to relevant trauma characteristics and outcome. METHODS In a prospective observational study of 33 convenience recruited trauma patients, citrated plasma samples were obtained at trauma center admission and 2, 4, 6, and 8 hours thereafter. We measured thrombin generation from isolated EVs and the procoagulant activity of phosphatidylserine (PS)-exposing EVs. Correlation and multivariable linear regression analyses were used to explore associations between EV-associated procoagulant activity and trauma characteristics as well as outcome measures. RESULTS EV-associated procoagulant activity was highest in the first 3 hours after injury. EV-associated thrombin generation normalized within 7 to 12 hours of injury, whereas the procoagulant activity of PS-exposing EVs declined to a level right above that of healthy volunteers. Increased EV-associated procoagulant activity at admission was associated with higher New Injury Severity Score, lower admission base excess, higher admission international normalized ratio, prolonged admission activated partial thromboplastin time, higher Sequential Organ Failure Assessment score at day 0, and fewer ventilator-free days. CONCLUSION Our data suggest that EVs have a transient hypercoagulable function and may play a role in the early phase of hemostasis after injury. The role of EVs in trauma-induced coagulopathy and posttraumatic thrombosis should be studied bearing in mind this novel temporal pattern. LEVEL OF EVIDENCE Prognostic/epidemiologic, level V.
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16
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Kronstadt SM, Pottash AE, Levy D, Wang S, Chao W, Jay SM. Therapeutic Potential of Extracellular Vesicles for Sepsis Treatment. ADVANCED THERAPEUTICS 2021; 4:2000259. [PMID: 34423113 PMCID: PMC8378673 DOI: 10.1002/adtp.202000259] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Indexed: 12/14/2022]
Abstract
Sepsis is a deadly condition lacking a specific treatment despite decades of research. This has prompted the exploration of new approaches, with extracellular vesicles (EVs) emerging as a focal area. EVs are nanosized, cell-derived particles that transport bioactive components (i.e., proteins, DNA, and RNA) between cells, enabling both normal physiological functions and disease progression depending on context. In particular, EVs have been identified as critical mediators of sepsis pathophysiology. However, EVs are also thought to constitute the biologically active component of cell-based therapies and have demonstrated anti-inflammatory, anti-apoptotic, and immunomodulatory effects in sepsis models. The dual nature of EVs in sepsis is explored here, discussing their endogenous roles and highlighting their therapeutic properties and potential. Related to the latter component, prior studies involving EVs from mesenchymal stem/stromal cells (MSCs) and other sources are discussed and emerging producer cells that could play important roles in future EV-based sepsis therapies are identified. Further, how methodologies could impact therapeutic development toward sepsis treatment to enhance and control EV potency is described.
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Affiliation(s)
- Stephanie M Kronstadt
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
| | - Alex E Pottash
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
| | - Daniel Levy
- Fischell Department of Bioengineering, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
| | - Sheng Wang
- Translational Research Program, Department of Anesthesiology and Center for Shock Trauma and Anesthesiology Research, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Wei Chao
- Translational Research Program, Department of Anesthesiology and Center for Shock Trauma and Anesthesiology Research, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Steven M Jay
- Fischell Department of Bioengineering and Program in Molecular and, Cell Biology, University of Maryland, 3102 A. James Clark Hall, College Park, MD 20742, USA
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17
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Guo S, Hu C, Zhai X, Sun D. Circular RNA 0006602 in plasma exosomes: a new potential diagnostic biomarker for hepatocellular carcinoma. Am J Transl Res 2021; 13:6001-6015. [PMID: 34306340 PMCID: PMC8290788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 03/02/2021] [Indexed: 06/13/2023]
Abstract
Circular RNAs (circRNAs) in exosomes exhibit stable expression and are not easily degraded in plasma; a characteristic that makes them ideal as novel non-invasive tumor diagnostic markers. In this study, we examined different expression of circRNA in plasma exosomes of primary hepatocellular carcinoma patient and healthy volunteer by full transcriptome sequencing. Five circRNAs with up-regulated expression were selected, and large sample size verified their expression. Among them, it is further confirmed that exo_circ_0006602 is up-regulated in the large sample cohort. In addition, the expression level of exo_circ_0006602 was correlated with HBsAg (P<0.011), HBeAg (P=0.048), liver cirrhosis (P=0.001) and Edmondson-Steiner grade (P<0.001). The receiver operating characteristic (ROC) was used to evaluate the accuracy of exo_circ_0006602 as a diagnostic marker. The AUC value of exo_circ_0006602 was significantly highter than common serum tumor markers AFP and CEA. Exo_circ_0006602 combined with AFP can significantly improve the diagnostic accuracy. Cell function experiments show that exo_circ_0006602 can significantly improve the proliferation and invasion ability of liver cancer cell lines and also promoted the expression of tumor proliferation-related protein Snail. In conclusion, our results suggested that exo_circ_0006602 can be used as a potential non-invasive biomarker for the early diagnosis and screening of liver cancer, the sensitivity and specificity of diagnosis are higher than traditional tumor markers.
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Affiliation(s)
- Sen Guo
- Department of General Surgery, Qilu Hospital of Shandong University Jinan, China
| | - Chunxiao Hu
- Department of General Surgery, Qilu Hospital of Shandong University Jinan, China
| | - Xiangyu Zhai
- Department of General Surgery, Qilu Hospital of Shandong University Jinan, China
| | - Dong Sun
- Department of General Surgery, Qilu Hospital of Shandong University Jinan, China
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18
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Price J, Gardiner C, Harrison P. Platelet-enhanced plasma: Characterization of a novel candidate resuscitation fluid's extracellular vesicle content, clotting parameters, and thrombin generation capacity. Transfusion 2021; 61:2179-2194. [PMID: 33948950 DOI: 10.1111/trf.16423] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/08/2021] [Accepted: 04/16/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND Platelet transfusion is challenging in emergency medicine because of short platelet shelf life and stringent storage conditions. Platelet-derived extracellular vesicles (PEV) exhibit platelet-like properties. A plasma generated from expired platelet units rich in procoagulant PEV may be able to combine the benefits of plasma and platelets for resuscitation while increasing shelf life and utilizing an otherwise wasted resource. STUDY DESIGN AND METHODS Freeze-thaw cycling of platelet-rich plasma (PRP) followed by centrifugation to remove platelet remnants was utilized to generate platelet-enhanced plasma (PEP). An in vitro model of dilutional coagulopathy was also designed and used to test PEP. Rotational thromboelastometry and calibrated automated thrombography were used to assess clotting and extracellular vesicles (EV) procoagulant activity. Capture arrays were used to specifically measure EV subpopulations of interest (ExoView™, NanoView Biosciences). Captured vesicles were quantified and labeled with Annexin-V-FITC, CD41-PE, and CD63-AF647. Platelet alpha granule content (platelet-derived growth factor AB, soluble P-selectin, vascular endothelial growth factor A, and neutrophil activating peptide 2-chemokine (C-X-C motif) ligand 7) was measured. Commercially available platelet lysates were also characterized. RESULTS PEP is highly procoagulant, rich in growth factors, exhibits enhanced thrombin generation, and restores hemostasis within an in vitro model of dilutional coagulopathy. The predominant vesicle population were PEV with 7.0 × 109 CD41+PS+ EV/ml compared to 4.7 × 107 CD41+PS+ EV/ml in platelet-free plasma (p = .0079). Commercial lysates show impaired but rescuable clotting. DISCUSSION PEP is a unique candidate resuscitation fluid containing high PEV concentration with preliminary evidence, indicating a potential for upscaling the approach using platelet concentrates. Commercial lysate manufacturer workflows may be suitable for this, but further optimization and characterization of PEP is required.
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Affiliation(s)
- Joshua Price
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Chris Gardiner
- Haemostasis Research, University College London, London, UK
| | - Paul Harrison
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
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19
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Therapeutic Applications of Stem Cells and Extracellular Vesicles in Emergency Care: Futuristic Perspectives. Stem Cell Rev Rep 2021; 17:390-410. [PMID: 32839921 PMCID: PMC7444453 DOI: 10.1007/s12015-020-10029-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Regenerative medicine (RM) is an interdisciplinary field that aims to repair, replace or regenerate damaged or missing tissue or organs to function as close as possible to its physiological architecture and functions. Stem cells, which are undifferentiated cells retaining self-renewal potential, excessive proliferation and differentiation capacity into offspring or daughter cells that form different lineage cells of an organism, are considered as an important part of the RM approaches. They have been widely investigated in preclinical and clinical studies for therapeutic purposes. Extracellular vesicles (EVs) are the vital mediators that regulate the therapeutic effects of stem cells. Besides, they carry various types of cargo between cells which make them a significant contributor of intercellular communication. Given their role in physiological and pathological conditions in living cells, EVs are considered as a new therapeutic alternative solution for a variety of diseases in which there is a high unmet clinical need. This review aims to summarize and identify therapeutic potential of stem cells and EVs in diseases requiring acute emergency care such as trauma, heart diseases, stroke, acute respiratory distress syndrome and burn injury. Diseases that affect militaries or societies including acute radiation syndrome, sepsis and viral pandemics such as novel coronavirus disease 2019 are also discussed. Additionally, featuring and problematic issues that hamper clinical translation of stem cells and EVs are debated in a comparative manner with a futuristic perspective. Graphical Abstract.
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Avenick D, Kidd L, Istvan S, Dong F, Richter K, Edwards N, Hisada Y, Posma JJN, Massih CA, Mackman N. Effects of storage and leukocyte reduction on the concentration and procoagulant activity of extracellular vesicles in canine packed red cells. J Vet Emerg Crit Care (San Antonio) 2021; 31:221-230. [PMID: 33751799 DOI: 10.1111/vec.13050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 06/01/2019] [Accepted: 06/24/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To characterize the size and procoagulant activity of extracellular vesicles (EV) that accumulate in canine packed red blood cells (pRBCs) over time and the effect of leukocyte reduction on these characteristics. DESIGN Prospective cohort study. SETTING Private small animal specialty referral hospital and university research laboratories. ANIMALS Ten healthy blood donor dogs. INTERVENTIONS Five pRBCs units were obtained according to standard protocols, and 5 were leukocyte-reduced prior to processing. Platelet-free supernatant from the pRBC units was collected on days 0, 10, 20, 32, and 42. MEASUREMENTS AND MAIN RESULTS Nanoparticle tracking analysis was performed to determine the size and concentration of EVs. Thrombin generation associated with phosphatidylserine-positive EVs was determined using a capture assay. Factor Xa generation associated with phosphatidylserine-positive EVs and tissue factor-positive EVs was measured in a subset of EVs isolated by centrifugation of the supernatant at 20,000 × g. R package nparLD and the Mann-Whitney U-test were used to determine the effect of duration of storage and the effect of leukocyte reduction, respectively. Small (mean < 125 nm) procoagulant EVs accumulated over time, with significant increases occurring on or after day 20 in both non-leukocyte reduced and leukocyte-reduced units. The procoagulant activity of the EVs was due to phosphatidylserine, not tissue factor. Increases in EV concentration and procoagulant activity occurred earlier in non-leukocyte reduced units. Extracellular vesicle accumulation and procoagulant activity were not decreased at any individual time point by leukocyte reduction. CONCLUSIONS Further studies characterizing and determining the clinical relevance of small procoagulant EVs in pRBCs are warranted.
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Affiliation(s)
| | - Linda Kidd
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, California
| | | | - Fanglong Dong
- Graduate College of Biomedical Sciences, Western University of Health Sciences, Pomona, California
| | - Keith Richter
- Veterinary Specialty Hospital, San Diego, California
| | | | - Yohei Hisada
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Jens J N Posma
- Departments of Internal Medicine and Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Cherein Abdel Massih
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, California
| | - Nigel Mackman
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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Böhm JK, Schäfer N, Maegele M, Stümpges B, Bauerfeind U, Caspers M. Plasmatic and cell-based enhancement by microparticles originated from platelets and endothelial cells under simulated in vitro conditions of a dilutional coagulopathy. Scand J Trauma Resusc Emerg Med 2021; 29:38. [PMID: 33622398 PMCID: PMC7901091 DOI: 10.1186/s13049-021-00847-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 02/05/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Aggressive fluid management and other external factors may lead to hypothermia, acidosis and hemodilution (defined as Lethal Triad, LT) contributing to a trauma-induced coagulopathy (TIC) that worsens patients' outcomes. Procoagulant microparticles (MP) are crucial players at the interface of cellular and plasmatic coagulation. However, their functions remain largely unexplored. This study aimed to characterize effects of MP subtypes and concentrations on functional coagulation under in vitro simulated conditions. METHODS Blood from eleven volunteers were collected to simulate in vitro conditions of hemodilution (HD) and LT, respectively. HD was induced by replacing a blood volume of 33% by crystalloids and for LT, samples were further processed by reducing the temperature to 32 °C and lowering the pH to 6.8. MP were obtained either from platelet concentrates (platelet-derived MP, PDMP) or from cell culture (ECV304 cells for endothelial-derived MP, EDMP) by targeted stimulation. After introducing MP to in vitro conditions, we measured their concentration-dependent effects (1.000, 10.000 and 15.000 MP/μl blood) on coagulation compared to whole blood (WB). For each condition, coagulation was characterized by flow cytometric platelet activation and by quantification of fibrin clot propagation using Thrombodynamics® technology. RESULTS MP originated from platelets and endothelial cells affected blood coagulation in a concentration-dependent manner. Particularly, high PDMP quantities (10.000 and 15.000 PDMP/μl blood) significantly induced platelet activation and fibrin clot growth and size in HD conditions. In LT conditions as well, only high PDMP concentration induced platelet activation, clot growth and size. In contrast, EDMP did not induce platelet activation, but resulted in enhanced formation of spontaneous clots, irrespective of simulated condition. With increasing EDMP concentration, the time until the onset of spontaneous clotting decreased in both HD and LT conditions. DISCUSSION The study demonstrates an essential role of MP within the coagulation process under simulated coagulopathic conditions. PDMP affected platelets promoting clot formation likely by providing a surface enlargement. EDMP presumably affected clotting factors of the plasmatic coagulation resulting in an increased formation of spontaneous clots. CONCLUSION Under simulated conditions of a dilutional coagulopathy, MP from different cellular origin indicate a divergent but both procoagulant mechanism within the coagulation process.
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Affiliation(s)
- Julia K Böhm
- The Institute for Research in Operative Medicine, Faculty of Health, Department of Medicine, Witten/Herdecke University, Ostmerheimer Straße 200, 51109, Cologne, Germany
| | - Nadine Schäfer
- The Institute for Research in Operative Medicine, Faculty of Health, Department of Medicine, Witten/Herdecke University, Ostmerheimer Straße 200, 51109, Cologne, Germany
| | - Marc Maegele
- The Institute for Research in Operative Medicine, Faculty of Health, Department of Medicine, Witten/Herdecke University, Ostmerheimer Straße 200, 51109, Cologne, Germany
- Department of Traumatology, Orthopaedic Surgery and Sports Traumatology, Cologne-Merheim Medical Centre (CMMC), Witten/Herdecke University, Campus Cologne-Merheim, Ostmerheimer Str. 200, D-51109, Cologne, Germany
| | - Birgit Stümpges
- Department of Haematology and Transfusion Medicine, Cologne-Merheim Medical Centre (CMMC), Witten/Herdecke University, Campus Cologne-Merheim, Ostmerheimer Str. 200, D-51109, Cologne, Germany
| | - Ursula Bauerfeind
- Department of Haematology and Transfusion Medicine, Cologne-Merheim Medical Centre (CMMC), Witten/Herdecke University, Campus Cologne-Merheim, Ostmerheimer Str. 200, D-51109, Cologne, Germany
| | - Michael Caspers
- The Institute for Research in Operative Medicine, Faculty of Health, Department of Medicine, Witten/Herdecke University, Ostmerheimer Straße 200, 51109, Cologne, Germany.
- Department of Traumatology, Orthopaedic Surgery and Sports Traumatology, Cologne-Merheim Medical Centre (CMMC), Witten/Herdecke University, Campus Cologne-Merheim, Ostmerheimer Str. 200, D-51109, Cologne, Germany.
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22
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Extracellular vesicles as mediators and markers of acute organ injury: current concepts. Eur J Trauma Emerg Surg 2021; 48:1525-1544. [PMID: 33533957 PMCID: PMC7856451 DOI: 10.1007/s00068-021-01607-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/19/2021] [Indexed: 12/15/2022]
Abstract
Due to the continued high incidence and mortality rate worldwide, there is a need to develop new strategies for the quick, precise, and valuable recognition of presenting injury pattern in traumatized and poly-traumatized patients. Extracellular vesicles (EVs) have been shown to facilitate intercellular communication processes between cells in close proximity as well as distant cells in healthy and disease organisms. miRNAs and proteins transferred by EVs play biological roles in maintaining normal organ structure and function under physiological conditions. In pathological conditions, EVs change the miRNAs and protein cargo composition, mediating or suppressing the injury consequences. Therefore, incorporating EVs with their unique protein and miRNAs signature into the list of promising new biomarkers is a logical next step. In this review, we discuss the general characteristics and technical aspects of EVs isolation and characterization. We discuss results of recent in vitro, in vivo, and patients study describing the role of EVs in different inflammatory diseases and traumatic organ injuries. miRNAs and protein signature of EVs found in patients with acute organ injury are also debated.
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Abstract
Traumatic injuries are a leading cause of death and disability in both military and civilian populations. Given the complexity and diversity of traumatic injuries, novel and individualized treatment strategies are required to optimize outcomes. Cellular therapies have potential benefit for the treatment of acute or chronic injuries, and various cell-based pharmaceuticals are currently being tested in preclinical studies or in clinical trials. Cellular therapeutics may have the ability to complement existing therapies, especially in restoring organ function lost due to tissue disruption, prolonged hypoxia or inflammatory damage. In this article we highlight the current status and discuss future directions of cellular therapies for the treatment of traumatic injury. Both published research and ongoing clinical trials are discussed here.
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Karasu E, Demmelmaier J, Kellermann S, Holzmann K, Köhl J, Schmidt CQ, Kalbitz M, Gebhard F, Huber-Lang MS, Halbgebauer R. Complement C5a Induces Pro-inflammatory Microvesicle Shedding in Severely Injured Patients. Front Immunol 2020; 11:1789. [PMID: 32983087 PMCID: PMC7492592 DOI: 10.3389/fimmu.2020.01789] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 07/06/2020] [Indexed: 12/12/2022] Open
Abstract
Initially underestimated as platelet dust, extracellular vesicles are continuously gaining interest in the field of inflammation. Various studies addressing inflammatory diseases have shown that microvesicles (MVs) originating from different cell types are systemic transport vehicles carrying distinct cargoes to modulate immune responses. In this study, we focused on the clinical setting of multiple trauma, which is characterized by activation and dysfunction of both, the fluid-phase and the cellular component of innate immunity. Given the sensitivity of neutrophils for the complement anaphylatoxin C5a, we hypothesized that increased C5a production induces alterations in MV shedding of neutrophils resulting in neutrophil dysfunction that fuels posttraumatic inflammation. In a mono-centered prospective clinical study with polytraumatized patients, we found significantly increased granulocyte-derived MVs containing the C5a receptor (C5aR1, CD88) on their surface. This finding was accompanied by a concomitant loss of C5aR1 on granulocytes indicative of an impaired cellular chemotactic and pro-inflammatory neutrophil functions. Furthermore, in vitro exposure of human neutrophils (from healthy volunteers) to C5a significantly increased MV shedding and C5aR1 loss on neutrophils, which could be blocked using the C5aR1 antagonist PMX53. Mechanistic analyses revealed that the interaction between C5aR1 signaling and the small GTPase Arf6 acts as a molecular switch for MV shedding. When neutrophil derived, C5a-induced MV were exposed to a complex ex vivo whole blood model significant pro-inflammatory properties (NADPH activity, ROS and MPO generation) of the MVs became evident. C5a-induced MVs activated resting neutrophils and significantly induced IL-6 secretion. These data suggest a novel role of the C5a-C5aR1 axis: C5a-induced MV shedding from neutrophils results in decreased C5aR1 surface expression on the one hand, on the other hand it leads to profound inflammatory signals which likely are both key drivers of the neutrophil dysfunction which is regularly observed in patients suffering from multiple traumatic injuries.
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Affiliation(s)
- Ebru Karasu
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Julia Demmelmaier
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Stephanie Kellermann
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Karlheinz Holzmann
- Center for Biomedical Research, Genomics-Core Facility, Ulm University, Ulm, Germany
| | - Jörg Köhl
- Institute for Systemic Inflammation Research (ISEF), University of Lübeck, Lübeck, Germany.,Division of Immunobiology, Cincinnati Children's Hospital, Cincinnati, OH, United States
| | - Christoph Q Schmidt
- Institute of Pharmacology of Natural Products and Clinical Pharmacology, Ulm University, Ulm, Germany
| | - Miriam Kalbitz
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm Medical School, Ulm, Germany
| | - Florian Gebhard
- Department of Traumatology, Hand-, Plastic- and Reconstructive Surgery, Center of Surgery, University of Ulm Medical School, Ulm, Germany
| | - Markus S Huber-Lang
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
| | - Rebecca Halbgebauer
- Institute of Clinical and Experimental Trauma Immunology, University Hospital Ulm, Ulm, Germany
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25
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Relja B, Land WG. Damage-associated molecular patterns in trauma. Eur J Trauma Emerg Surg 2020; 46:751-775. [PMID: 31612270 PMCID: PMC7427761 DOI: 10.1007/s00068-019-01235-w] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 09/27/2019] [Indexed: 12/13/2022]
Abstract
In 1994, the "danger model" argued that adaptive immune responses are driven rather by molecules released upon tissue damage than by the recognition of "strange" molecules. Thus, an alternative to the "self versus non-self recognition model" has been provided. The model, which suggests that the immune system discriminates dangerous from safe molecules, has established the basis for the future designation of damage-associated molecular patterns (DAMPs), a term that was coined by Walter G. Land, Seong, and Matzinger. The pathological importance of DAMPs is barely somewhere else evident as in the posttraumatic or post-surgical inflammation and regeneration. Since DAMPs have been identified to trigger specific immune responses and inflammation, which is not necessarily detrimental but also regenerative, it still remains difficult to describe their "friend or foe" role in the posttraumatic immunogenicity and healing process. DAMPs can be used as biomarkers to indicate and/or to monitor a disease or injury severity, but they also may serve as clinically applicable parameters for optimized indication of the timing for, i.e., secondary surgeries. While experimental studies allow the detection of these biomarkers on different levels including cellular, tissue, and circulatory milieu, this is not always easily transferable to the human situation. Thus, in this review, we focus on the recent literature dealing with the pathophysiological importance of DAMPs after traumatic injury. Since dysregulated inflammation in traumatized patients always implies disturbed resolution of inflammation, so-called model of suppressing/inhibiting inducible DAMPs (SAMPs) will be very briefly introduced. Thus, an update on this topic in the field of trauma will be provided.
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Affiliation(s)
- Borna Relja
- Experimental Radiology, Department of Radiology and Nuclear Medicine, Otto von Guericke University Magdeburg, Magdeburg, Germany.
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University Frankfurt am Main, 60590, Frankfurt, Germany.
| | - Walter Gottlieb Land
- Molecular ImmunoRheumatology, INSERM UMR_S1109, Laboratory of Excellence Transplantex, University of Strasbourg, Strasbourg, France
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Chimen M, Evryviadou A, Box CL, Harrison MJ, Hazeldine J, Dib LH, Kuravi SJ, Payne H, Price JMJ, Kavanagh D, Iqbal AJ, Lax S, Kalia N, Brill A, Thomas SG, Belli A, Crombie N, Adams RA, Evans SA, Deckmyn H, Lord JM, Harrison P, Watson SP, Nash GB, Rainger GE. Appropriation of GPIbα from platelet-derived extracellular vesicles supports monocyte recruitment in systemic inflammation. Haematologica 2020; 105:1248-1261. [PMID: 31467123 PMCID: PMC7193470 DOI: 10.3324/haematol.2018.215145] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 08/23/2019] [Indexed: 01/13/2023] Open
Abstract
Interactions between platelets, leukocytes and the vessel wall provide alternative pathological routes of thrombo-inflammatory leukocyte recruitment. We found that when platelets were activated by a range of agonists in whole blood, they shed platelet-derived extracellular vesicles which rapidly and preferentially bound to blood monocytes compared to other leukocytes. Platelet-derived extracellular vesicle binding to monocytes was initiated by P-selectin-dependent adhesion and was stabilised by binding of phosphatidylserine. These interactions resulted in the progressive transfer of the platelet adhesion receptor GPIbα to monocytes. GPIbα+-monocytes tethered and rolled on immobilised von Willebrand Factor or were recruited and activated on endothelial cells treated with TGF-β1 to induce the expression of von Willebrand Factor. In both models monocyte adhesion was ablated by a function-blocking antibody against GPIbα. Monocytes could also bind platelet-derived extracellular vesicle in mouse blood in vitro and in vivo Intratracheal instillations of diesel nanoparticles, to model chronic pulmonary inflammation, induced accumulation of GPIbα on circulating monocytes. In intravital experiments, GPIbα+-monocytes adhered to the microcirculation of the TGF-β1-stimulated cremaster muscle, while in the ApoE-/- model of atherosclerosis, GPIbα+-monocytes adhered to the carotid arteries. In trauma patients, monocytes bore platelet markers within 1 hour of injury, the levels of which correlated with severity of trauma and resulted in monocyte clearance from the circulation. Thus, we have defined a novel thrombo-inflammatory pathway in which platelet-derived extracellular vesicles transfer a platelet adhesion receptor to monocytes, allowing their recruitment in large and small blood vessels, and which is likely to be pathogenic.
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Affiliation(s)
- Myriam Chimen
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Aigli Evryviadou
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Clare L Box
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Matthew J Harrison
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Jon Hazeldine
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Lea H Dib
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Sahithi J Kuravi
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Holly Payne
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Joshua M J Price
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Dean Kavanagh
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Asif J Iqbal
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Sian Lax
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Neena Kalia
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - Alex Brill
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors, University of Birmingham and Nottingham, The Midlands, UK
- Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Steve G Thomas
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors, University of Birmingham and Nottingham, The Midlands, UK
| | - Antonio Belli
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Nicholas Crombie
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Rachel A Adams
- Cardiff School of Health Sciences, Cardiff Metropolitan University, Cardiff, UK
| | - Shelley-Ann Evans
- Cardiff School of Health Sciences, Cardiff Metropolitan University, Cardiff, UK
| | - Hans Deckmyn
- Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium
| | - Janet M Lord
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Paul Harrison
- NIHR Surgical Reconstruction and Microbiology Research Centre, Institute of Inflammation and Ageing, Birmingham University Medical School, Birmingham, UK
| | - Steve P Watson
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors, University of Birmingham and Nottingham, The Midlands, UK
| | - Gerard B Nash
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
| | - G Ed Rainger
- Institute of Cardiovascular Sciences, College of Medicine and Dentistry, University of Birmingham, Birmingham, UK
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Tang F, Tie Y, Tu C, Wei X. Surgical trauma-induced immunosuppression in cancer: Recent advances and the potential therapies. Clin Transl Med 2020; 10:199-223. [PMID: 32508035 PMCID: PMC7240866 DOI: 10.1002/ctm2.24] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 02/05/2023] Open
Abstract
Surgical resection remains the mainstay treatment for solid cancers, especially for localized disease. However, the postoperative immunosuppression provides a window for cancer cell proliferation and awakening dormant cancer cells, leading to rapid recurrences or metastases. This immunosuppressive status after surgery is associated with the severity of surgical trauma since immunosuppression induced by minimally invasive surgery is less than that of an extensive open surgery. The systemic response to tissue damages caused by surgical operations and the subsequent wound healing induced a cascade alteration in cellular immunity. After surgery, patients have a high level of circulating damage-associated molecular patterns (DAMPs), triggering a local and systemic inflammation. The inflammatory metrics in the immediate postoperative period was associated with the prognosis of cancer patients. Neutrophils provide the first response to surgical trauma, and the production of neutrophil extracellular traps (NETs) promotes cancer progression. Activated macrophage during wound healing presents a tumor-associated phenotype that cancers can exploit for their survival advantage. In addition, the amplification and activation of myeloid-derived suppressor cells (MDSCs), regulatory T cells (Tregs) or the elevated programmed death ligand-1 and vascular endothelial growth factor expression under surgical trauma, exacerbate the immunosuppression and favor of the formation of the premetastatic niche. Therapeutic strategies to reduce the cellular immunity impairment after surgery include anti-DAMPs, anti-postoperative inflammation or inflammatory/pyroptosis signal, combined immunotherapy with surgery, antiangiogenesis and targeted therapies for neutrophils, macrophages, MDSCs, and Tregs. Further, the application of enhanced recovery after surgery also has a feasible outcome for postoperative immunity restoration. Overall, current therapies to improve the cellular immunity under the special condition after surgery are relatively lacking. Further understanding the underlying mechanisms of surgical trauma-related immunity dysfunction, phenotyping the immunosuppressive cells, and developing the related therapeutic intervention should be explored.
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Affiliation(s)
- Fan Tang
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan UniversityChengduSichuanPeople's Republic of China
- Department of OrthopeadicsWest China HospitalSichuan UniversityChengduSichuanPeople's Republic of China
| | - Yan Tie
- Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of MedicineUniversity of Electronic Science and Technology of ChinaChengduSichuanPeople's Republic of China
| | - Chongqi Tu
- Department of OrthopeadicsWest China HospitalSichuan UniversityChengduSichuanPeople's Republic of China
| | - Xiawei Wei
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan UniversityChengduSichuanPeople's Republic of China
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Vasconcelos MH, Caires HR, Ābols A, Xavier CPR, Linē A. Extracellular vesicles as a novel source of biomarkers in liquid biopsies for monitoring cancer progression and drug resistance. Drug Resist Updat 2019; 47:100647. [PMID: 31704541 DOI: 10.1016/j.drup.2019.100647] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/09/2019] [Accepted: 10/11/2019] [Indexed: 12/23/2022]
Abstract
Cancer-derived extracellular vesicles (EVs) have been detected in the bloodstream and other biofluids of cancer patients. They carry various tumor-derived molecules such as mutated DNA and RNA fragments, oncoproteins as well as miRNA and protein signatures associated with various phenotypes. The molecular cargo of EVs partially reflects the intracellular status of their cellular origin, however various sorting mechanisms lead to the enrichment or depletion of EVs in specific nucleic acids, proteins or lipids. It is becoming increasingly clear that cancer-derived EVs act in a paracrine and systemic manner to promote cancer progression by transferring aggressive phenotypic traits and drug-resistant phenotypes to other cancer cells, modulating the anti-tumor immune response, as well as contributing to remodeling the tumor microenvironment and formation of pre-metastatic niches. These findings have raised the idea that cancer-derived EVs may serve as analytes in liquid biopsies for real-time monitoring of tumor burden and drug resistance. In this review, we have summarized recent longitudinal clinical studies describing promising EV-associated biomarkers for cancer progression and tracking cancer evolution as well as pre-clinical and clinical evidence on the relevance of EVs for monitoring the emergence or progression of drug resistance. Furthermore, we outlined the state-of-the-art in the development and commercialization of EV-based biomarkers and discussed the scientific and technological challenges that need to be met in order to translate EV research into clinically applicable tools for precision medicine.
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Affiliation(s)
- M Helena Vasconcelos
- i3S- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal; Department of Biological Sciences, FFUP - Faculty of Pharmacy of the University of Porto, Porto, Portugal
| | - Hugo R Caires
- i3S- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Artūrs Ābols
- Latvian Biomedical Research and Study Centre, Riga, Latvia
| | - Cristina P R Xavier
- i3S- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Cancer Drug Resistance Group, IPATIMUP - Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
| | - Aija Linē
- Latvian Biomedical Research and Study Centre, Riga, Latvia; Faculty of Biology, University of Latvia, Riga, Latvia.
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Ferraz MDAMM, Carothers A, Dahal R, Noonan MJ, Songsasen N. Oviductal extracellular vesicles interact with the spermatozoon's head and mid-piece and improves its motility and fertilizing ability in the domestic cat. Sci Rep 2019; 9:9484. [PMID: 31263184 PMCID: PMC6603010 DOI: 10.1038/s41598-019-45857-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 06/13/2019] [Indexed: 01/27/2023] Open
Abstract
Fertilization and early embryo development are regulated by a unique maternal-gamete/embryo cross-talk within the oviduct. Recent studies have shown that extracellular vesicles (EVs) within the oviduct play important roles in mediating this developmental process. Here, we examined the influence of oviductal EVs on sperm function in the domestic cat. We demonstrated that (1) EVs are enriched in proteins related to energy metabolism, membrane modification, and reproductive function; (2) EVs bound and fused with the membranes of the acrosome and mid piece; and (3) incubating sperm with EVs improved motility, fertilizing capacity of cat spermatozoa and prevented acrosomal exocytosis in vitro. These findings indicated that oviductal EVs mediate sperm function and fertilization in the cat and provides new insights to improve sperm cryopreservation and in vitro fertilization in the domestic and wild felids and human.
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Affiliation(s)
- M de A M M Ferraz
- Center for Species Survival, Smithsonian National Zoo and Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA.
| | - A Carothers
- Center for Species Survival, Smithsonian National Zoo and Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
| | - R Dahal
- Center for Species Survival, Smithsonian National Zoo and Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
| | - M J Noonan
- Smithsonian National Zoo and Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
- Department of Biology, University of Maryland, College Park, Maryland, 20742, USA
| | - N Songsasen
- Center for Species Survival, Smithsonian National Zoo and Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
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30
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Karasu E, Nilsson B, Köhl J, Lambris JD, Huber-Lang M. Targeting Complement Pathways in Polytrauma- and Sepsis-Induced Multiple-Organ Dysfunction. Front Immunol 2019; 10:543. [PMID: 30949180 PMCID: PMC6437067 DOI: 10.3389/fimmu.2019.00543] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 02/28/2019] [Indexed: 12/16/2022] Open
Abstract
Exposure to traumatic or infectious insults results in a rapid activation of the complement cascade as major fluid defense system of innate immunity. The complement system acts as a master alarm system during the molecular danger response after trauma and significantly contributes to the clearance of DAMPs and PAMPs. However, depending on the origin and extent of the damaged macro- and micro -milieu, the complement system can also be either excessively activated or inhibited. In both cases, this can lead to a maladaptive immune response and subsequent multiple cellular and organ dysfunction. The arsenal of complement-specific drugs offers promising strategies for various critical conditions after trauma, hemorrhagic shock, sepsis, and multiple organ failure. The imbalanced immune response needs to be detected in a rational and real-time manner before the translational therapeutic potential of these drugs can be fully utilized. Overall, the temporal-spatial complement response after tissue trauma and during sepsis remains somewhat enigmatic and demands a clinical triad: reliable tissue damage assessment, complement activation monitoring, and potent complement targeting to highly specific rebalance the fluid phase innate immune response.
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Affiliation(s)
- Ebru Karasu
- Institute for Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany
| | - Bo Nilsson
- Department of Immunology, Genetics and Pathology (IGP), Laboratory C5:3, Uppsala University, Uppsala, Sweden
| | - Jörg Köhl
- Institute for Systemic Inflammation Research (ISEF), University of Lübeck, Lübeck, Germany.,Division of Immunobiology, Cincinnati Children's Hospital, Cincinnati, OH, United States
| | - John D Lambris
- Department of Pathology & Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, United States
| | - Markus Huber-Lang
- Institute for Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany
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31
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McVey MJ, Maishan M, Blokland KEC, Bartlett N, Kuebler WM. Extracellular vesicles in lung health, disease, and therapy. Am J Physiol Lung Cell Mol Physiol 2019; 316:L977-L989. [PMID: 30892076 DOI: 10.1152/ajplung.00546.2018] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Both physiological homeostasis and pathological disease processes in the lung typically result from complex, yet coordinated multicellular responses that are synchronized via paracrine and endocrine intercellular communication pathways. Of late, extracellular vesicles have emerged as important information shuttles that can coordinate and disseminate homeostatic and disease signals. In parallel, extracellular vesicles in biological fluids such as sputum, mucus, epithelial lining fluid, edema fluid, the pulmonary circulation, pleural fluid, and lymphatics have emerged as promising candidate biomarkers for diagnosis and prognosis in lung disease. Extracellular vesicles are small, subcellular, membrane-bound vesicles containing cargos from parent cells such as lipids, proteins, genetic information, or entire organelles. These cargos endow extracellular vesicles with biologically active information or functions by which they can reprogram their respective target cells. Recent studies show that extracellular vesicles found in lung-associated biological fluids play key roles as biomarkers and effectors of disease. Conversely, administration of naïve or engineered extracellular vesicles with homeostatic or reparative effects may provide a promising novel protective and regenerative strategy to treat lung disease. To highlight this rapidly developing field, the American Journal of Physiology-Lung Cellular and Molecular Physiology is now launching a special Call for Papers on extracellular vesicles in lung health, disease, and therapy. This review aims to set the stage for this call by introducing extracellular vesicles and their emerging roles in lung physiology and pathobiology.
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Affiliation(s)
- Mark J McVey
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital , Toronto, Ontario , Canada.,Department of Physiology, University of Toronto , Toronto, Ontario , Canada.,Department of Anesthesia, University of Toronto , Toronto, Ontario , Canada.,SickKids Department of Anesthesia and Pain Medicine , Toronto, Ontario , Canada
| | - Mazharul Maishan
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital , Toronto, Ontario , Canada
| | - Kaj E C Blokland
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, New South Wales , Australia.,National Health and Medical Research Council Centre of Research Excellence in Pulmonary Fibrosis , Sydney, New South Wales , Australia.,Department of Pathology and Medical Biology, Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Center Groningen , Groningen , The Netherlands
| | - Nathan Bartlett
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, New South Wales , Australia
| | - Wolfgang M Kuebler
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital , Toronto, Ontario , Canada.,Department of Physiology, University of Toronto , Toronto, Ontario , Canada.,Department of Surgery, University of Toronto , Toronto, Ontario , Canada.,Institute of Physiology, Charité-Universitätsmedizin Berlin, Berlin , Germany
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32
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What is the blood concentration of extracellular vesicles? Implications for the use of extracellular vesicles as blood-borne biomarkers of cancer. Biochim Biophys Acta Rev Cancer 2019; 1871:109-116. [DOI: 10.1016/j.bbcan.2018.11.006] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/16/2018] [Accepted: 11/20/2018] [Indexed: 12/18/2022]
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33
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Sorkin R, Bergamaschi G, Kamsma D, Brand G, Dekel E, Ofir-Birin Y, Rudik A, Gironella M, Ritort F, Regev-Rudzki N, Roos WH, Wuite GJL. Probing cellular mechanics with acoustic force spectroscopy. Mol Biol Cell 2018; 29:2005-2011. [PMID: 29927358 PMCID: PMC6232971 DOI: 10.1091/mbc.e18-03-0154] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
A large number of studies demonstrate that cell mechanics and pathology are intimately linked. In particular, deformability of red blood cells (RBCs) is key to their function and is dramatically altered in the time course of diseases such as anemia and malaria. Due to the physiological importance of cell mechanics, many methods for cell mechanical probing have been developed. While single-cell methods provide very valuable information, they are often technically challenging and lack the high data throughput needed to distinguish differences in heterogeneous populations, while fluid-flow high-throughput methods miss the accuracy to detect subtle differences. Here we present a new method for multiplexed single-cell mechanical probing using acoustic force spectroscopy (AFS). We demonstrate that mechanical differences induced by chemical treatments of known effect can be measured and quantified. Furthermore, we explore the effect of extracellular vesicles (EVs) uptake on RBC mechanics and demonstrate that EVs uptake increases RBC deformability. Our findings demonstrate the ability of AFS to manipulate cells with high stability and precision and pave the way to further new insights into cellular mechanics and mechanobiology in health and disease, as well as potential biomedical applications.
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Affiliation(s)
- Raya Sorkin
- Department of Physics and Astronomy and LaserLab, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands.,Department of Molecular Biophysics, Zernike Instituut, Rijksuniversiteit Groningen, 9747 AG Groningen, The Netherlands
| | - Giulia Bergamaschi
- Department of Physics and Astronomy and LaserLab, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Douwe Kamsma
- Department of Physics and Astronomy and LaserLab, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Guy Brand
- Department of Physics and Astronomy and LaserLab, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Elya Dekel
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 761000, Israel
| | - Yifat Ofir-Birin
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 761000, Israel
| | - Ariel Rudik
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 761000, Israel
| | - Marta Gironella
- Small Biosystems Lab, Departament de Fsica de la Matèria Condensada, Facultat de Física, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Felix Ritort
- Small Biosystems Lab, Departament de Fsica de la Matèria Condensada, Facultat de Física, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Neta Regev-Rudzki
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot 761000, Israel
| | - Wouter H Roos
- Department of Molecular Biophysics, Zernike Instituut, Rijksuniversiteit Groningen, 9747 AG Groningen, The Netherlands
| | - Gijs J L Wuite
- Department of Physics and Astronomy and LaserLab, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, The Netherlands
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