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György B, Pálóczi K, Balbisi M, Turiák L, Drahos L, Visnovitz T, Koltai E, Radák Z. Effect of the 35 nm and 70 nm Size Exclusion Chromatography (SEC) Column and Plasma Storage Time on Separated Extracellular Vesicles. Curr Issues Mol Biol 2024; 46:4337-4357. [PMID: 38785532 PMCID: PMC11120626 DOI: 10.3390/cimb46050264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024] Open
Abstract
The technical difficulty of separating extracellular vesicles (EVs) from plasma proteins in human blood presents a significant hurdle in EV research, particularly during nano ultra-high-performance liquid chromatography-tandem mass spectrometric (UHPLC-MS/MS) analysis, where detecting "vesicular" proteins among abundant plasma proteins is challenging. Standardisation is a pressing issue in EV research, prompting collaborative global efforts to address it. While the MISEV guidelines offer valuable recommendations, unanswered questions remain, particularly regarding sample storage. We compared size exclusion chromatography (SEC) columns with pore sizes of 35 nm and 70 nm to identify fractions with minimal contaminating proteins and the highest concentration of small EVs (sEVs). Following column selection, we explored potential differences in the quality and quantity of sEVs isolated from platelet-free plasma (PFP) after long-term storage at -80 °C (>2.5 years) compared to freshly drawn blood. Our methodologically rigorous study indicates that prolonged storage, under correct storage and processing conditions, does not compromise sEV quality. Both columns effectively isolated vesicles, with the 70 nm column exhibiting a higher abundance of "vesicular" proteins. We propose a relatively rapid and moderately efficient protocol for obtaining a comparatively pure sEV fraction from plasma, facilitating sEV processing in clinical trials.
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Affiliation(s)
- Bernadett György
- Research Centre for Molecular Exercise Science, Hungarian University of Sport Science, Alkotás u. 42-48, 1123 Budapest, Hungary; (B.G.); (E.K.)
| | - Krisztina Pálóczi
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (K.P.); (T.V.)
| | - Mirjam Balbisi
- Research Centre for Natural Sciences, Institute of Organic Chemistry, Magyar Tudósok Körútja 2, 1117 Budapest, Hungary; (M.B.); (L.T.); (L.D.)
| | - Lilla Turiák
- Research Centre for Natural Sciences, Institute of Organic Chemistry, Magyar Tudósok Körútja 2, 1117 Budapest, Hungary; (M.B.); (L.T.); (L.D.)
| | - László Drahos
- Research Centre for Natural Sciences, Institute of Organic Chemistry, Magyar Tudósok Körútja 2, 1117 Budapest, Hungary; (M.B.); (L.T.); (L.D.)
| | - Tamás Visnovitz
- Department of Genetics, Cell and Immunobiology, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary; (K.P.); (T.V.)
- Department of Plant Physiology and Molecular Plant Biology, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/c, 1117 Budapest, Hungary
| | - Erika Koltai
- Research Centre for Molecular Exercise Science, Hungarian University of Sport Science, Alkotás u. 42-48, 1123 Budapest, Hungary; (B.G.); (E.K.)
| | - Zsolt Radák
- Research Centre for Molecular Exercise Science, Hungarian University of Sport Science, Alkotás u. 42-48, 1123 Budapest, Hungary; (B.G.); (E.K.)
- Faculty of Sport Sciences, Waseda University, Tokorozawa 2-579-15, Japan
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2
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Marić I, Žiberna K, Kolenc A, Maličev E. Platelet activation and blood extracellular vesicles: The influence of venepuncture and short blood storage. Blood Cells Mol Dis 2024; 106:102842. [PMID: 38492545 DOI: 10.1016/j.bcmd.2024.102842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 03/18/2024]
Abstract
Extracellular vesicles (EVs) as membrane-bound particles released by various cells are potential tools for diagnosis and treatment. Blood cells, particularly platelets, are the source of circulating EVs. MATERIAL EVs were enriched with gradient ultracentrifugation and measured by nanoparticle tracking assay. A flow cytometric multiplex assay was used for cellular source determination. Activation of platelets was measured as a percentage of CD62p+/CD61+ platelets and correlated with the concentration and size of released EVs. RESULTS In general there was no statistically significant correlation between EVs` concentration and degree of platelet activation. EVs from different cellular sources were detected. Comparing different needle thicknesses, there was a decrease in the EVs concentration for the 16G needle versus the 21G needle, but no difference was observed for EVs` size and phenotype or platelets activation. During blood storage, platelet activation increased, but there was no effect on the EVs` concentration, size, or phenotype. CONCLUSIONS Preanalytical factors like needle thickness and storage time can affect the MVs' properties. Activation of platelets during blood collection or blood storage occurs; however, it is difficult to determine its effect on the physiological properties of EVs since the mechanisms of EVs` biogenesis and especially clearness are not precisely known.
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Affiliation(s)
- Ivica Marić
- Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia; Institute for Transplantation of Organs and Tissues of the Republic of Slovenia - Slovenia Transplant, Zaloška 7, 1000 Ljubljana, Slovenia.
| | - Klemen Žiberna
- Blood Transfusion Centre of Slovenia, Šlajmarjeva 6, 1000 Ljubljana, Slovenia
| | - Ana Kolenc
- Blood Transfusion Centre of Slovenia, Šlajmarjeva 6, 1000 Ljubljana, Slovenia
| | - Elvira Maličev
- Blood Transfusion Centre of Slovenia, Šlajmarjeva 6, 1000 Ljubljana, Slovenia; Biotechnical Faculty, University of Ljubljana, Jamnikarjeva ulica 101, 1000 Ljubljana, Slovenia
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3
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Schöne N, Kemper M, Menck K, Evers G, Krekeler C, Schulze AB, Lenz G, Wardelmann E, Binder C, Bleckmann A. PD-L1 on large extracellular vesicles is a predictive biomarker for therapy response in tissue PD-L1-low and -negative patients with non-small cell lung cancer. J Extracell Vesicles 2024; 13:e12418. [PMID: 38453684 PMCID: PMC10920108 DOI: 10.1002/jev2.12418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 10/24/2023] [Accepted: 02/07/2024] [Indexed: 03/09/2024] Open
Abstract
Immunotherapy has revolutionized the treatment of patients with non-small cell lung cancer (NSCLC). High expression of tissue PD-L1 (tPD-L1) is currently the only approved biomarker for predicting treatment response. However, even tPD-L1 low (1-49%) and absent (<1%) patients might benefit from immunotherapy but, to date, there is no reliable biomarker, that can predict response in this particular patient subgroup. This study aimed to test whether tumour-associated extracellular vesicles (EVs) could fill this gap. Using NSCLC cell lines, we identified a panel of tumour-related antigens that were enriched on large EVs (lEVs) compared to smaller EVs. The levels of lEVs carrying these antigens were significantly elevated in plasma of NSCLC patients (n = 108) and discriminated them from controls (n = 77). Among the tested antigens, we focused on programmed cell death ligand 1 (PD-L1), which is a well-known direct target for immunotherapy. In plasma lEVs, PD-L1 was mainly found on a population of CD45- /CD62P+ lEVs and thus seemed to be associated with platelet-derived vesicles. Patients with high baseline levels of PD-L1+ lEVs in blood showed a significantly better response to immunotherapy and prolonged survival. This was particularly true in the subgroup of NSCLC patients with low or absent tPD-L1 expression, thus identifying PD-L1-positive lEVs in plasma as a novel predictive and prognostic marker for immunotherapy.
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Affiliation(s)
- Nadja Schöne
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
| | - Marcel Kemper
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
| | - Kerstin Menck
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
| | - Georg Evers
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
| | - Carolin Krekeler
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
| | - Arik Bernard Schulze
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
| | - Georg Lenz
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
| | - Eva Wardelmann
- University of Münster, Gerhard‐Domagk‐Institute of PathologyMünsterGermany
| | - Claudia Binder
- University Medicine Göttingen, Clinic for Hematology/Medical OncologyGöttingenGermany
| | - Annalen Bleckmann
- University of Münster, Department of Medicine A, Hematology, Oncology, and PneumologyMünsterGermany
- University Hospital Münster, West German Cancer CenterMünsterGermany
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4
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Lattmann E, Räss L, Tognetti M, Gómez JMM, Lapaire V, Bruderer R, Reiter L, Feng Y, Steinmetz LM, Levesque MP. Size-exclusion chromatography combined with DIA-MS enables deep proteome profiling of extracellular vesicles from melanoma plasma and serum. Cell Mol Life Sci 2024; 81:90. [PMID: 38353833 PMCID: PMC10867102 DOI: 10.1007/s00018-024-05137-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/16/2024]
Abstract
Extracellular vesicles (EVs) are important players in melanoma progression, but their use as clinical biomarkers has been limited by the difficulty of profiling blood-derived EV proteins with high depth of coverage, the requirement for large input amounts, and complex protocols. Here, we provide a streamlined and reproducible experimental workflow to identify plasma- and serum- derived EV proteins of healthy donors and melanoma patients using minimal amounts of sample input. SEC-DIA-MS couples size-exclusion chromatography to EV concentration and deep-proteomic profiling using data-independent acquisition. From as little as 200 µL of plasma per patient in a cohort of three healthy donors and six melanoma patients, we identified and quantified 2896 EV-associated proteins, achieving a 3.5-fold increase in depth compared to previously published melanoma studies. To compare the EV-proteome to unenriched blood, we employed an automated workflow to deplete the 14 most abundant proteins from plasma and serum and thereby approximately doubled protein group identifications versus native blood. The EV proteome diverged from corresponding unenriched plasma and serum, and unlike the latter, separated healthy donor and melanoma patient samples. Furthermore, known melanoma markers, such as MCAM, TNC, and TGFBI, were upregulated in melanoma EVs but not in depleted melanoma plasma, highlighting the specific information contained in EVs. Overall, EVs were significantly enriched in intact membrane proteins and proteins related to SNARE protein interactions and T-cell biology. Taken together, we demonstrated the increased sensitivity of an EV-based proteomic workflow that can be easily applied to larger melanoma cohorts and other indications.
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Affiliation(s)
- Evelyn Lattmann
- Department of Dermatology, University Hospital Zurich, University of Zurich, Schlieren, Switzerland
| | - Luca Räss
- Biognosys AG, Schlieren, Switzerland
| | | | - Julia M Martínez Gómez
- Department of Dermatology, University Hospital Zurich, University of Zurich, Schlieren, Switzerland
| | - Valérie Lapaire
- Department of Dermatology, University Hospital Zurich, University of Zurich, Schlieren, Switzerland
| | | | | | | | - Lars M Steinmetz
- Stanford Genome Technology Center, Stanford University, Palo Alto, CA, USA.
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA.
- Genome Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany.
| | - Mitchell P Levesque
- Department of Dermatology, University Hospital Zurich, University of Zurich, Schlieren, Switzerland.
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5
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Welsh JA, Goberdhan DCI, O'Driscoll L, Buzas EI, Blenkiron C, Bussolati B, Cai H, Di Vizio D, Driedonks TAP, Erdbrügger U, Falcon‐Perez JM, Fu Q, Hill AF, Lenassi M, Lim SK, Mahoney MG, Mohanty S, Möller A, Nieuwland R, Ochiya T, Sahoo S, Torrecilhas AC, Zheng L, Zijlstra A, Abuelreich S, Bagabas R, Bergese P, Bridges EM, Brucale M, Burger D, Carney RP, Cocucci E, Colombo F, Crescitelli R, Hanser E, Harris AL, Haughey NJ, Hendrix A, Ivanov AR, Jovanovic‐Talisman T, Kruh‐Garcia NA, Ku'ulei‐Lyn Faustino V, Kyburz D, Lässer C, Lennon KM, Lötvall J, Maddox AL, Martens‐Uzunova ES, Mizenko RR, Newman LA, Ridolfi A, Rohde E, Rojalin T, Rowland A, Saftics A, Sandau US, Saugstad JA, Shekari F, Swift S, Ter‐Ovanesyan D, Tosar JP, Useckaite Z, Valle F, Varga Z, van der Pol E, van Herwijnen MJC, Wauben MHM, Wehman AM, Williams S, Zendrini A, Zimmerman AJ, MISEV Consortium, Théry C, Witwer KW. Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches. J Extracell Vesicles 2024; 13:e12404. [PMID: 38326288 PMCID: PMC10850029 DOI: 10.1002/jev2.12404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 02/09/2024] Open
Abstract
Extracellular vesicles (EVs), through their complex cargo, can reflect the state of their cell of origin and change the functions and phenotypes of other cells. These features indicate strong biomarker and therapeutic potential and have generated broad interest, as evidenced by the steady year-on-year increase in the numbers of scientific publications about EVs. Important advances have been made in EV metrology and in understanding and applying EV biology. However, hurdles remain to realising the potential of EVs in domains ranging from basic biology to clinical applications due to challenges in EV nomenclature, separation from non-vesicular extracellular particles, characterisation and functional studies. To address the challenges and opportunities in this rapidly evolving field, the International Society for Extracellular Vesicles (ISEV) updates its 'Minimal Information for Studies of Extracellular Vesicles', which was first published in 2014 and then in 2018 as MISEV2014 and MISEV2018, respectively. The goal of the current document, MISEV2023, is to provide researchers with an updated snapshot of available approaches and their advantages and limitations for production, separation and characterisation of EVs from multiple sources, including cell culture, body fluids and solid tissues. In addition to presenting the latest state of the art in basic principles of EV research, this document also covers advanced techniques and approaches that are currently expanding the boundaries of the field. MISEV2023 also includes new sections on EV release and uptake and a brief discussion of in vivo approaches to study EVs. Compiling feedback from ISEV expert task forces and more than 1000 researchers, this document conveys the current state of EV research to facilitate robust scientific discoveries and move the field forward even more rapidly.
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Affiliation(s)
- Joshua A. Welsh
- Translational Nanobiology Section, Laboratory of PathologyNational Cancer Institute, National Institutes of HealthBethesdaMarylandUSA
| | - Deborah C. I. Goberdhan
- Nuffield Department of Women's and Reproductive HealthUniversity of Oxford, Women's Centre, John Radcliffe HospitalOxfordUK
| | - Lorraine O'Driscoll
- School of Pharmacy and Pharmaceutical SciencesTrinity College DublinDublinIreland
- Trinity Biomedical Sciences InstituteTrinity College DublinDublinIreland
- Trinity St. James's Cancer InstituteTrinity College DublinDublinIreland
| | - Edit I. Buzas
- Department of Genetics, Cell‐ and ImmunobiologySemmelweis UniversityBudapestHungary
- HCEMM‐SU Extracellular Vesicle Research GroupSemmelweis UniversityBudapestHungary
- HUN‐REN‐SU Translational Extracellular Vesicle Research GroupSemmelweis UniversityBudapestHungary
| | - Cherie Blenkiron
- Faculty of Medical and Health SciencesThe University of AucklandAucklandNew Zealand
| | - Benedetta Bussolati
- Department of Molecular Biotechnology and Health SciencesUniversity of TurinTurinItaly
| | | | - Dolores Di Vizio
- Department of Surgery, Division of Cancer Biology and TherapeuticsCedars‐Sinai Medical CenterLos AngelesCaliforniaUSA
| | - Tom A. P. Driedonks
- Department CDL ResearchUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Uta Erdbrügger
- University of Virginia Health SystemCharlottesvilleVirginiaUSA
| | - Juan M. Falcon‐Perez
- Exosomes Laboratory, Center for Cooperative Research in BiosciencesBasque Research and Technology AllianceDerioSpain
- Metabolomics Platform, Center for Cooperative Research in BiosciencesBasque Research and Technology AllianceDerioSpain
- IKERBASQUE, Basque Foundation for ScienceBilbaoSpain
| | - Qing‐Ling Fu
- Otorhinolaryngology Hospital, The First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Extracellular Vesicle Research and Clinical Translational CenterThe First Affiliated Hospital, Sun Yat‐sen UniversityGuangzhouChina
| | - Andrew F. Hill
- Institute for Health and SportVictoria UniversityMelbourneAustralia
| | - Metka Lenassi
- Faculty of MedicineUniversity of LjubljanaLjubljanaSlovenia
| | - Sai Kiang Lim
- Institute of Molecular and Cell Biology (IMCB)Agency for Science, Technology and Research (A*STAR)SingaporeSingapore
- Paracrine Therapeutics Pte. Ltd.SingaporeSingapore
- Department of Surgery, YLL School of MedicineNational University SingaporeSingaporeSingapore
| | - Mỹ G. Mahoney
- Thomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Sujata Mohanty
- Stem Cell FacilityAll India Institute of Medical SciencesNew DelhiIndia
| | - Andreas Möller
- Chinese University of Hong KongHong KongHong Kong S.A.R.
- QIMR Berghofer Medical Research InstituteBrisbaneAustralia
| | - Rienk Nieuwland
- Laboratory of Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Amsterdam Vesicle Center, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
| | | | - Susmita Sahoo
- Icahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Ana C. Torrecilhas
- Laboratório de Imunologia Celular e Bioquímica de Fungos e Protozoários, Departamento de Ciências Farmacêuticas, Instituto de Ciências Ambientais, Químicas e FarmacêuticasUniversidade Federal de São Paulo (UNIFESP) Campus DiademaDiademaBrazil
| | - Lei Zheng
- Department of Laboratory Medicine, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
| | - Andries Zijlstra
- Department of PathologyVanderbilt University Medical CenterNashvilleTennesseeUSA
- GenentechSouth San FranciscoCaliforniaUSA
| | - Sarah Abuelreich
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Reem Bagabas
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Paolo Bergese
- Department of Molecular and Translational MedicineUniversity of BresciaBresciaItaly
- Center for Colloid and Surface Science (CSGI)FlorenceItaly
- National Center for Gene Therapy and Drugs based on RNA TechnologyPaduaItaly
| | - Esther M. Bridges
- Weatherall Institute of Molecular MedicineUniversity of OxfordOxfordUK
| | - Marco Brucale
- Consiglio Nazionale delle Ricerche ‐ Istituto per lo Studio dei Materiali NanostrutturatiBolognaItaly
- Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande InterfaseFlorenceItaly
| | - Dylan Burger
- Kidney Research CentreOttawa Hopsital Research InstituteOttawaCanada
- Department of Cellular and Molecular MedicineUniversity of OttawaOttawaCanada
- School of Pharmaceutical SciencesUniversity of OttawaOttawaCanada
| | - Randy P. Carney
- Department of Biomedical EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Emanuele Cocucci
- Division of Pharmaceutics and Pharmacology, College of PharmacyThe Ohio State UniversityColumbusOhioUSA
- Comprehensive Cancer CenterThe Ohio State UniversityColumbusOhioUSA
| | - Federico Colombo
- Division of Pharmaceutics and Pharmacology, College of PharmacyThe Ohio State UniversityColumbusOhioUSA
| | - Rossella Crescitelli
- Sahlgrenska Center for Cancer Research, Department of Surgery, Institute of Clinical SciencesSahlgrenska Academy, University of GothenburgGothenburgSweden
- Wallenberg Centre for Molecular and Translational Medicine, Institute of Clinical SciencesSahlgrenska Academy, University of GothenburgGothenburgSweden
| | - Edveena Hanser
- Department of BiomedicineUniversity Hospital BaselBaselSwitzerland
- Department of BiomedicineUniversity of BaselBaselSwitzerland
| | | | - Norman J. Haughey
- Departments of Neurology and PsychiatryJohns Hopkins University School of MedicineBaltimoreMarylandUSA
| | - An Hendrix
- Laboratory of Experimental Cancer Research, Department of Human Structure and RepairGhent UniversityGhentBelgium
- Cancer Research Institute GhentGhentBelgium
| | - Alexander R. Ivanov
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical BiologyNortheastern UniversityBostonMassachusettsUSA
| | - Tijana Jovanovic‐Talisman
- Department of Cancer Biology and Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Nicole A. Kruh‐Garcia
- Bio‐pharmaceutical Manufacturing and Academic Resource Center (BioMARC)Infectious Disease Research Center, Colorado State UniversityFort CollinsColoradoUSA
| | - Vroniqa Ku'ulei‐Lyn Faustino
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Diego Kyburz
- Department of BiomedicineUniversity of BaselBaselSwitzerland
- Department of RheumatologyUniversity Hospital BaselBaselSwitzerland
| | - Cecilia Lässer
- Krefting Research Centre, Department of Internal Medicine and Clinical NutritionInstitute of Medicine at Sahlgrenska Academy, University of GothenburgGothenburgSweden
| | - Kathleen M. Lennon
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Jan Lötvall
- Krefting Research Centre, Institute of Medicine at Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Adam L. Maddox
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Elena S. Martens‐Uzunova
- Erasmus MC Cancer InstituteUniversity Medical Center Rotterdam, Department of UrologyRotterdamThe Netherlands
| | - Rachel R. Mizenko
- Department of Biomedical EngineeringUniversity of CaliforniaDavisCaliforniaUSA
| | - Lauren A. Newman
- College of Medicine and Public HealthFlinders UniversityAdelaideAustralia
| | - Andrea Ridolfi
- Department of Physics and Astronomy, and LaserLaB AmsterdamVrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Eva Rohde
- Department of Transfusion Medicine, University HospitalSalzburger Landeskliniken GmbH of Paracelsus Medical UniversitySalzburgAustria
- GMP Unit, Paracelsus Medical UniversitySalzburgAustria
- Transfer Centre for Extracellular Vesicle Theralytic Technologies, EV‐TTSalzburgAustria
| | - Tatu Rojalin
- Department of Biomedical EngineeringUniversity of CaliforniaDavisCaliforniaUSA
- Expansion Therapeutics, Structural Biology and BiophysicsJupiterFloridaUSA
| | - Andrew Rowland
- College of Medicine and Public HealthFlinders UniversityAdelaideAustralia
| | - Andras Saftics
- Department of Molecular Medicine, Beckman Research InstituteCity of Hope Comprehensive Cancer CenterDuarteCaliforniaUSA
| | - Ursula S. Sandau
- Department of Anesthesiology & Perioperative MedicineOregon Health & Science UniversityPortlandOregonUSA
| | - Julie A. Saugstad
- Department of Anesthesiology & Perioperative MedicineOregon Health & Science UniversityPortlandOregonUSA
| | - Faezeh Shekari
- Department of Stem Cells and Developmental Biology, Cell Science Research CenterRoyan Institute for Stem Cell Biology and Technology, ACECRTehranIran
- Celer DiagnosticsTorontoCanada
| | - Simon Swift
- Waipapa Taumata Rau University of AucklandAucklandNew Zealand
| | - Dmitry Ter‐Ovanesyan
- Wyss Institute for Biologically Inspired EngineeringHarvard UniversityBostonMassachusettsUSA
| | - Juan P. Tosar
- Universidad de la RepúblicaMontevideoUruguay
- Institut Pasteur de MontevideoMontevideoUruguay
| | - Zivile Useckaite
- College of Medicine and Public HealthFlinders UniversityAdelaideAustralia
| | - Francesco Valle
- Consiglio Nazionale delle Ricerche ‐ Istituto per lo Studio dei Materiali NanostrutturatiBolognaItaly
- Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande InterfaseFlorenceItaly
| | - Zoltan Varga
- Biological Nanochemistry Research GroupInstitute of Materials and Environmental Chemistry, Research Centre for Natural SciencesBudapestHungary
- Department of Biophysics and Radiation BiologySemmelweis UniversityBudapestHungary
| | - Edwin van der Pol
- Amsterdam Vesicle Center, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering and Physics, Amsterdam UMC, location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, location AMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Martijn J. C. van Herwijnen
- Department of Biomolecular Health Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | - Marca H. M. Wauben
- Department of Biomolecular Health Sciences, Faculty of Veterinary MedicineUtrecht UniversityUtrechtThe Netherlands
| | | | | | - Andrea Zendrini
- Department of Molecular and Translational MedicineUniversity of BresciaBresciaItaly
- Center for Colloid and Surface Science (CSGI)FlorenceItaly
| | - Alan J. Zimmerman
- Barnett Institute of Chemical and Biological Analysis, Department of Chemistry and Chemical BiologyNortheastern UniversityBostonMassachusettsUSA
| | | | - Clotilde Théry
- Institut Curie, INSERM U932PSL UniversityParisFrance
- CurieCoreTech Extracellular Vesicles, Institut CurieParisFrance
| | - Kenneth W. Witwer
- Department of Molecular and Comparative PathobiologyJohns Hopkins University School of MedicineBaltimoreMarylandUSA
- EV Core Facility “EXCEL”, Institute for Basic Biomedical SciencesJohns Hopkins University School of MedicineBaltimoreMarylandUSA
- The Richman Family Precision Medicine Center of Excellence in Alzheimer's DiseaseJohns Hopkins University School of MedicineBaltimoreMarylandUSA
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6
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Searles CD. MicroRNAs and Cardiovascular Disease Risk. Curr Cardiol Rep 2024; 26:51-60. [PMID: 38206553 PMCID: PMC10844442 DOI: 10.1007/s11886-023-02014-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/10/2023] [Indexed: 01/12/2024]
Abstract
PURPOSE OF REVIEW MicroRNAs (miRNAs)-short, non-coding RNAs-play important roles in almost all aspects of cardiovascular biology, and changes in intracellular miRNA expression are indicative of cardiovascular disease development and progression. Extracellular miRNAs, which are easily measured in blood and can be reflective of changes in intracellular miRNA levels, have emerged as potential non-invasive biomarkers for disease. This review summarizes current knowledge regarding miRNAs as biomarkers for assessing cardiovascular disease risk and prognosis. RECENT FINDINGS Numerous studies over the last 10-15 years have identified associations between extracellular miRNA profiles and cardiovascular disease, supporting the potential use of extracellular miRNAs as biomarkers for risk stratification. However, clinical application of extracellular miRNA profiles has been hampered by poor reproducibility and inter-study variability that is due largely to methodological differences between studies. While recent studies indicate that circulating extracellular miRNAs are promising biomarkers for cardiovascular disease, evidence for clinical implementation is lacking. This highlights the need for larger, well-designed studies that use standardized methods for sample preparation, miRNA isolation, quantification, and normalization.
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Affiliation(s)
- Charles D Searles
- Emory University School of Medicine and Atlanta VA Health Care System, 1670 Clairmont Road, Decatur, GA, 30033, USA.
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7
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Filannino FM, Panaro MA, Benameur T, Pizzolorusso I, Porro C. Extracellular Vesicles in the Central Nervous System: A Novel Mechanism of Neuronal Cell Communication. Int J Mol Sci 2024; 25:1629. [PMID: 38338906 PMCID: PMC10855168 DOI: 10.3390/ijms25031629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/21/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
Cell-to-cell communication is essential for the appropriate development and maintenance of homeostatic conditions in the central nervous system. Extracellular vesicles have recently come to the forefront of neuroscience as novel vehicles for the transfer of complex signals between neuronal cells. Extracellular vesicles are membrane-bound carriers packed with proteins, metabolites, and nucleic acids (including DNA, mRNA, and microRNAs) that contain the elements present in the cell they originate from. Since their discovery, extracellular vesicles have been studied extensively and have opened up new understanding of cell-cell communication; they may cross the blood-brain barrier in a bidirectional way from the bloodstream to the brain parenchyma and vice versa, and play a key role in brain-periphery communication in physiology as well as pathology. Neurons and glial cells in the central nervous system release extracellular vesicles to the interstitial fluid of the brain and spinal cord parenchyma. Extracellular vesicles contain proteins, nucleic acids, lipids, carbohydrates, and primary and secondary metabolites. that can be taken up by and modulate the behaviour of neighbouring recipient cells. The functions of extracellular vesicles have been extensively studied in the context of neurodegenerative diseases. The purpose of this review is to analyse the role extracellular vesicles extracellular vesicles in central nervous system cell communication, with particular emphasis on the contribution of extracellular vesicles from different central nervous system cell types in maintaining or altering central nervous system homeostasis.
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Affiliation(s)
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy;
| | - Tarek Benameur
- Department of Biomedical Sciences, College of Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
| | - Ilaria Pizzolorusso
- Child and Adolescent Neuropsychiatry Unit, Department of Mental Health, ASL Foggia, 71121 Foggia, Italy;
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy;
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8
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Poupardin R, Wolf M, Maeding N, Paniushkina L, Geissler S, Bergese P, Witwer KW, Schallmoser K, Fuhrmann G, Strunk D. Advances in Extracellular Vesicle Research Over the Past Decade: Source and Isolation Method are Connected with Cargo and Function. Adv Healthc Mater 2024:e2303941. [PMID: 38270559 DOI: 10.1002/adhm.202303941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/23/2023] [Indexed: 01/26/2024]
Abstract
The evolution of extracellular vesicle (EV) research has introduced nanotechnology into biomedical cell communication science while recognizing what is formerly considered cell "dust" as constituting an entirely new universe of cell signaling particles. To display the global EV research landscape, a systematic review of 20 364 original research articles selected from all 40 684 EV-related records identified in PubMed 2013-2022 is performed. Machine-learning is used to categorize the high-dimensional data and further dissected significant associations between EV source, isolation method, cargo, and function. Unexpected correlations between these four categories indicate prevalent experimental strategies based on cargo connectivity with function of interest being associated with certain EV sources or isolation strategies. Conceptually relevant association of size-based EV isolation with protein cargo and uptake function will guide strategic conclusions enhancing future EV research and product development. Based on this study, an open-source database is built to facilitate further analysis with conventional or AI tools to identify additional causative associations of interest.
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Affiliation(s)
- Rodolphe Poupardin
- Cell Therapy Institute, Paracelsus Medical University, Salzburg, 5020, Austria
| | - Martin Wolf
- Cell Therapy Institute, Paracelsus Medical University, Salzburg, 5020, Austria
| | - Nicole Maeding
- Cell Therapy Institute, Paracelsus Medical University, Salzburg, 5020, Austria
| | - Liliia Paniushkina
- Cell Therapy Institute, Paracelsus Medical University, Salzburg, 5020, Austria
- Departments of Molecular and Comparative Pathobiology and Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Sven Geissler
- BIH Center for Regenerative Therapies (BCRT), Berlin Institute of Health at Charité - Universitätsmedizin Berlin, 10178, Berlin, Germany
| | - Paolo Bergese
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, 25121, Italy
- INSTM - National Interuniversity Consortium of Materials Science and Technology, Firenze, 50121, Italy
- National Center for Gene Therapy and Drugs based on RNA Technology - CN3, Padova, 35122, Italy
| | - Kenneth W Witwer
- Departments of Molecular and Comparative Pathobiology and Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Katharina Schallmoser
- Institute of Transfusion Medicine, Paracelsus Medical University, Salzburg, 5020, Austria
| | - Gregor Fuhrmann
- Department of Biology, Friedrich-Alexander-University Erlangen-Nürnberg, 91054, Erlangen, Germany
| | - Dirk Strunk
- Cell Therapy Institute, Paracelsus Medical University, Salzburg, 5020, Austria
- Institute of Transfusion Medicine, Paracelsus Medical University, Salzburg, 5020, Austria
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9
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Saffari N, Rahgozar S, Faraji E, Sahin F. Plasma-derived exosomal miR-326, a prognostic biomarker and novel candidate for treatment of drug resistant pediatric acute lymphoblastic leukemia. Sci Rep 2024; 14:691. [PMID: 38184700 DOI: 10.1038/s41598-023-50628-w] [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: 07/01/2023] [Accepted: 12/22/2023] [Indexed: 01/08/2024] Open
Abstract
Acute lymphoblastic leukemia (ALL) is a cancer with high incidence rate in pediatrics and drug resistance is a major clinical concern for ALL treatment. The current study was designed to evaluate the role of exosomal miR-326 in diagnosis and treatment of children with B-ALL. Exosomes were isolated from plasma samples of 30 patients and B-ALL cell lines followed by characterization, using nanoparticle tracking analysis, immunoblotting assay and electron microscopy. qPCR showed significantly increased levels of miR-326 in patients exosomes compared with non-cancer controls (P < 0.05, AUC = 0.7500). Moreover, a comparison between the sensitive and drug resistant patients revealed a prognostic value for the exosomal miR326 (P < 0.05, AUC = 0.7755). Co-culture studies on drug resistant patient primary cells and B-ALL cell lines suggested that exosomes with high miR-326 level act as vehicles for reducing cells viability. B-ALL cell line transfection with naked miR-326 mimic confirmed the results, and fluorescence microscopy validated uptake and internalization of exosomes by target cells. The novel introduced features of the exosomal miR-326 address a non-invasive way of diagnosing primary drug resistance in pediatric ALL and advocates a novel therapeutic strategy for this cancer.
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Affiliation(s)
- Neda Saffari
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Hezar jarib Street, Isfahan, 81746-73441, Iran
| | - Soheila Rahgozar
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Hezar jarib Street, Isfahan, 81746-73441, Iran.
| | - Elaheh Faraji
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Hezar jarib Street, Isfahan, 81746-73441, Iran
| | - Fikrettin Sahin
- Department of Genetics and Bioengineering, Yeditepe University, Atasehir, 34755, Istanbul, Turkey
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10
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Ma C, Ding R, Hao K, Du W, Xu L, Gao Q, Yu C. Storage Stability of Blood Samples for miRNAs in Glycosylated Extracellular Vesicles. Molecules 2023; 29:103. [PMID: 38202686 PMCID: PMC10780163 DOI: 10.3390/molecules29010103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Extracellular vesicle (EV) miRNAs are promising biomarkers for clinical diagnosis. However, their stability is a crucial concern affecting reliability and accuracy. Factors such as sample collection, processing, storage conditions, and experimental procedures impact EV miRNA stability. Studying EV miRNA stability aims to find optimal handling and storage methods, ensuring integrity and functionality throughout research. In this study, we used RT-qPCR and GlyExo-Capture technology, which can specifically capture glycosylated EVs by lectin, to assess the stability of glycosylated EV miRNAs. We found that slow acceleration centrifugation and two-step centrifugation methods were suitable for subsequent experiments. To ensure uniformity, we recommend using the two-step centrifugation method. We also studied blood storage before serum separation and recommend separation within 2 h at 4 °C or 25 °C. For separated serum samples, higher temperatures accelerated miRNA degradation, and the storage duration should be adjusted based on laboratory conditions. Short-term storage at -20 °C is acceptable for up to 3 months while avoiding repeated freeze-thaw cycles. We developed protective agents to extend the storage time at 25 °C, meeting clinical requirements. Additionally, Lakebio's cfRNA storage tubes effectively preserved the stability of miRNAs in plasma glycosylated EVs. Understanding EV miRNA stability provides insights into optimizing sample handling, storage strategies, and enhancing reliability in clinical applications.
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Affiliation(s)
- Cuidie Ma
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China;
| | - Rui Ding
- Department of Laboratory Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China;
| | - Kun Hao
- Beijing Hotgen Biotech Co., Ltd., Beijing 102600, China; (K.H.); (W.D.); (L.X.)
| | - Wenqian Du
- Beijing Hotgen Biotech Co., Ltd., Beijing 102600, China; (K.H.); (W.D.); (L.X.)
| | - Lida Xu
- Beijing Hotgen Biotech Co., Ltd., Beijing 102600, China; (K.H.); (W.D.); (L.X.)
| | - Qi Gao
- Beijing Hotgen Biotech Co., Ltd., Beijing 102600, China; (K.H.); (W.D.); (L.X.)
| | - Changyuan Yu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China;
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11
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Taha HB, Ati SS. Evaluation of α-synuclein in CNS-originating extracellular vesicles for Parkinsonian disorders: A systematic review and meta-analysis. CNS Neurosci Ther 2023; 29:3741-3755. [PMID: 37416941 PMCID: PMC10651986 DOI: 10.1111/cns.14341] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/04/2023] [Accepted: 06/24/2023] [Indexed: 07/08/2023] Open
Abstract
BACKGROUND & AIMS Parkinsonian disorders, such as Parkinson's disease (PD), multiple system atrophy (MSA), dementia with Lewy bodies (DLB), progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS), share early motor symptoms but have distinct pathophysiology. As a result, accurate premortem diagnosis is challenging for neurologists, hindering efforts for disease-modifying therapeutic discovery. Extracellular vesicles (EVs) contain cell-state-specific biomolecules and can cross the blood-brain barrier to the peripheral circulation, providing a unique central nervous system (CNS) insight. This meta-analysis evaluated blood-isolated neuronal and oligodendroglial EVs (nEVs and oEVs) α-synuclein levels in Parkinsonian disorders. METHODS Following PRISMA guidelines, the meta-analysis included 13 studies. An inverse-variance random-effects model quantified effect size (SMD), QUADAS-2 assessed risk of bias and publication bias was evaluated. Demographic and clinical variables were collected for meta-regression. RESULTS The meta-analysis included 1,565 patients with PD, 206 with MSA, 21 with DLB, 172 with PSP, 152 with CBS and 967 healthy controls (HCs). Findings suggest that combined concentrations of nEVs and oEVs α-syn is higher in patients with PD compared to HCs (SMD = 0.21, p = 0.021), while nEVs α-syn is lower in patients with PSP and CBS compared to patients with PD (SMD = -1.04, p = 0.0017) or HCs (SMD = -0.41, p < 0.001). Additionally, α-syn in nEVs and/or oEVs did not significantly differ in patients with PD vs. MSA, contradicting the literature. Meta-regressions show that demographic and clinical factors were not significant predictors of nEVs or oEVs α-syn concentrations. CONCLUSION The results highlight the need for standardized procedures and independent validations in biomarker studies and the development of improved biomarkers for distinguishing Parkinsonian disorders.
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Affiliation(s)
- Hash Brown Taha
- Department of Integrative Biology & PhysiologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Shomik S. Ati
- Department of Integrative Biology & PhysiologyUniversity of California Los AngelesLos AngelesCaliforniaUSA
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12
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Barocas A, Savard P, Carlo A, Lecompte T, de Maistre E. How to assess hypercoagulability in heparin-induced thrombocytopenia? Biomarkers of potential value to support therapeutic intensity of non-heparin anticoagulation. Thromb J 2023; 21:100. [PMID: 37726772 PMCID: PMC10508023 DOI: 10.1186/s12959-023-00546-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 09/13/2023] [Indexed: 09/21/2023] Open
Abstract
BACKGROUND In case of heparin-induced thrombocytopenia (HIT), the switch to a non-heparin anticoagulant is mandatory, at a therapeutic dose. Such a treatment has limitations though, especially for patients with renal and/or hepatic failure. Candidate laboratory tests could detect the more coagulable HIT patients, for whom therapeutic anticoagulation would be the more justified. PATIENTS AND METHODS This was a monocentre observational prospective study in which 111 patients with suspected HIT were included. Nineteen were diagnosed with HIT (ELISA and platelet activation assay), among whom 10 were classified as HITT + when a thrombotic event was present at diagnosis or during the first following week. Two plasma prethrombotic biomarkers of in vivo activation of the haemostasis system, procoagulant phospholipids (ProcoagPPL) associated with extracellular vesicles and fibrin monomers (FM test), as well as in vitro thrombin potential (ST Genesia; low picomolar tissue factor) after heparin neutralization (heparinase), were studied. The results were primarily compared between HITT + and HITT- patients. RESULTS Those HIT + patients with thrombotic events in acute phase or shortly after (referred as HITT+) had a more coagulable phenotype than HIT + patients without thrombotic events since: (i) clotting times related to plasma procoagulant phospholipids tended to be shorter; (ii) fibrin monomers levels were statistically significantly higher (p = 0.0483); (iii) thrombin potential values were statistically significantly higher (p = 0.0404). Of note, among all patients suspected of suffering from HIT, we did not evidence a hypercoagulable phenotype in patients diagnosed with HIT compared to patients for whom the diagnosis of HIT was ruled out. CONCLUSION The three tests could help identify those HIT patients the most prone to thrombosis.
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Affiliation(s)
| | | | | | - Thomas Lecompte
- Haemostasis Unit, CHU, Dijon, France
- Vascular Medicine Division, CHU, Nancy, France
- Medicine Faculty of Nancy, Lorraine University, Lorraine, France
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13
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Brambilla M, Frigerio R, Becchetti A, Gori A, Cretich M, Conti M, Mazza A, Pengo M, Camera M. Head-to-Head Comparison of Tissue Factor-Dependent Procoagulant Potential of Small and Large Extracellular Vesicles in Healthy Subjects and in Patients with SARS-CoV-2 Infection. BIOLOGY 2023; 12:1233. [PMID: 37759632 PMCID: PMC10525820 DOI: 10.3390/biology12091233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023]
Abstract
The relative contribution of small (sEVs) and large extracellular vesicles (lEVs) to the total plasma procoagulant potential is not yet well defined. Thus, we compared total and TFpos-sEVs and -lEVs isolated from healthy subjects and COVID-19 patients during the acute phase of the infection and after symptom remission in terms of (1) vesicle enumeration using nanoparticle tracking assay, imaging flow cytometry, and TF immunofluorescence localization in a single-vesicle analysis using microarrays; (2) cellular origin; and (3) TF-dependent Xa generation capacity, as well as assessing the contribution of the TF inhibitor, TFPI. In healthy subjects, the plasma concentration of CD9/CD63/CD81pos sEVs was 30 times greater than that of calceinpos lEVs, and both were mainly released by platelets. Compared to lEVs, the levels of TFpos-sEVs were 2-fold higher. The TF-dependent Xa generation capacity of lEVs was three times greater than that of sEVs, with the latter being hindered by TFPI. Compared to HSs, the amounts of total and TFpos-sEVs and -lEVs were significantly greater in acute COVID-19 patients, which reverted to the physiological values at the 6-month follow-up. Interestingly, the FXa generation of lEVs only significantly increased during acute infection, with that of sEV being similar to that of HSs. Thus, in both healthy subjects and COVID-19 patients, the TF-dependent procoagulant potential is mostly sustained by large vesicles.
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Affiliation(s)
- Marta Brambilla
- Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy; (M.B.)
| | - Roberto Frigerio
- National Research Council of Italy (SCITEC-CNR), 20133 Milan, Italy
| | | | - Alessandro Gori
- National Research Council of Italy (SCITEC-CNR), 20133 Milan, Italy
| | - Marina Cretich
- National Research Council of Italy (SCITEC-CNR), 20133 Milan, Italy
| | - Maria Conti
- Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy; (M.B.)
| | - Antonella Mazza
- Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy; (M.B.)
| | - Martino Pengo
- Istituto Auxologico Italiano IRCCS, 20149 Milan, Italy
| | - Marina Camera
- Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy; (M.B.)
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, 20133 Milan, Italy
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14
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Li Y, Khan N, Ritzel RM, Lei Z, Allen S, Faden AI, Wu J. Sexually dimorphic extracellular vesicle responses after chronic spinal cord injury are associated with neuroinflammation and neurodegeneration in the aged brain. J Neuroinflammation 2023; 20:197. [PMID: 37653491 PMCID: PMC10469550 DOI: 10.1186/s12974-023-02881-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/27/2023] [Indexed: 09/02/2023] Open
Abstract
BACKGROUND Medical advances have made it increasingly possible for spinal cord injury (SCI) survivors to survive decades after the insult. But how SCI affects aging changes and aging impacts the injury process have received limited attention. Extracellular vesicles (EVs) are recognized as critical mediators of neuroinflammation after CNS injury, including at a distance from the lesion site. We have previously shown that SCI in young male mice leads to robust changes in plasma EV count and microRNA (miR) content. Here, our goal was to investigate the impact of biological sex and aging on EVs and brain after SCI. METHODS Young adult age-matched male and female C57BL/6 mice were subjected to SCI. At 19 months post-injury, total plasma EVs were isolated by ultracentrifugation and characterized by nanoparticle tracking analysis (NTA). EVs miR cargo was examined using the Fireplex® assay. The transcriptional changes in the brain were assessed by a NanoString nCounter Neuropathology panel and validated by Western blot (WB) and flow cytometry (FC). A battery of behavioral tests was performed for assessment of neurological function. RESULTS Transcriptomic changes showed a high number of changes between sham and those with SCI. Sex-specific changes were found in transcription networks related to disease association, activated microglia, and vesicle trafficking. FC showed higher microglia and myeloid counts in the injured tissue of SCI/Female compared to their male counterparts, along with higher microglial production of ROS in both injured site and the brain. In the latter, increased levels of TNF and mitochondrial membrane potential were seen in microglia from SCI/Female. WB and NTA revealed that EV markers are elevated in the plasma of SCI/Male. Particle concentration in the cortex increased after injury, with SCI/Female showing higher counts than SCI/Male. EVs cargo analysis revealed changes in miR content related to injury and sex. Behavioral testing confirmed impairment of cognition and depression at chronic time points after SCI in both sexes, without significant differences between males and females. CONCLUSIONS Our study is the first to show sexually dimorphic changes in brain after very long-term SCI and supports a potential sex-dependent EV-mediated mechanism that contributes to SCI-induced brain changes.
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Affiliation(s)
- Yun Li
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA
| | - Niaz Khan
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA
| | - Rodney M Ritzel
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA
| | - Zhuofan Lei
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA
| | - Samantha Allen
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA
| | - Alan I Faden
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA
| | - Junfang Wu
- Department of Anesthesiology and Center for Shock, Trauma and Anesthesiology Research (STAR), University of Maryland School of Medicine, 685 W. Baltimore Street, MSTF, Room 6-034D, Baltimore, MD, 21201, USA.
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15
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Kristensen SR, Nybo J. A sensitive tissue factor activity assay determined by an optimized thrombin generation method. PLoS One 2023; 18:e0288918. [PMID: 37467256 DOI: 10.1371/journal.pone.0288918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 07/06/2023] [Indexed: 07/21/2023] Open
Abstract
BACKGROUND Tissue factor (TF) is the principal activator of the coagulation system, but an increased concentration in the blood in cancer and inflammatory diseases has been suggested to play a role increasing the risk of venous thromboembolism. However, measurement of the TF concentration is difficult, and quantitation of activity is the most valid estimation. The objective of this study was to establish a sensitive method to measure TF activity based on thrombin generation. METHODS The assay is based on thrombin generation (TG) measured on the Calibrated Automated Thrombogram (CAT). Various low concentrations of TF were prepared from reagents containing 1 pM TF and 4 μM phospholipid (PPL), and no TF and 4 μM PPL, and a calibration curve was produced from Lagtime vs TF concentration. TF in blood samples was measured after isolation and resuspension of extracellular vesicles (EVs) in a standard plasma from which EVs had been removed. The same standard plasma was used for the calibrators. RESULTS Contact activation of the coagulation system was avoided using CTI plasma samples in Monovette tubes. EVs contain procoagulant phospholipids but addition of PPL only reduced lagtime slightly at very low concentrations of TF resulting in overestimation to a lesser extent at 10 fM but no interference at 30 fM or higher. Addition of EVs to the TG analysis induced a small unspecific TF-independent activity (i.e., an activity not inhibited by antibodies against TF) which also may result in a smaller error in estimation of TF activity at very low levels but the effect was negligible at higher concentrations. It was possible to measure TF activity in healthy controls which was found to be 1-6 fM (EVs were concentrated, i.e. solubilized in a lower volume than the original volume plasma). Coefficient of variation (CV) was below 20% at the low level, and below 10% at a level around 100 fM TF. However, the step with isolation of EVs have a higher inherent CV. CONCLUSION A sensitive and rather precise one-stage TG-based method to measure TF activity has been established.
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Affiliation(s)
- Søren Risom Kristensen
- Department of Clinical Biochemistry, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Jette Nybo
- Department of Clinical Biochemistry, Aalborg University Hospital, Aalborg, Denmark
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16
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Safari F, Kehelpannala C, Safarchi A, Batarseh AM, Vafaee F. Biomarker Reproducibility Challenge: A Review of Non-Nucleotide Biomarker Discovery Protocols from Body Fluids in Breast Cancer Diagnosis. Cancers (Basel) 2023; 15:2780. [PMID: 37345117 DOI: 10.3390/cancers15102780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/02/2023] [Accepted: 05/10/2023] [Indexed: 06/23/2023] Open
Abstract
Breast cancer has now become the most commonly diagnosed cancer, accounting for one in eight cancer diagnoses worldwide. Non-invasive diagnostic biomarkers and associated tests are superlative candidates to complement or improve current approaches for screening, early diagnosis, or prognosis of breast cancer. Biomarkers detected from body fluids such as blood (serum/plasma), urine, saliva, nipple aspiration fluid, and tears can detect breast cancer at its early stages in a minimally invasive way. The advancements in high-throughput molecular profiling (omics) technologies have opened an unprecedented opportunity for unbiased biomarker detection. However, the irreproducibility of biomarkers and discrepancies of reported markers have remained a major roadblock to clinical implementation, demanding the investigation of contributing factors and the development of standardised biomarker discovery pipelines. A typical biomarker discovery workflow includes pre-analytical, analytical, and post-analytical phases, from sample collection to model development. Variations introduced during these steps impact the data quality and the reproducibility of the findings. Here, we present a comprehensive review of methodological variations in biomarker discovery studies in breast cancer, with a focus on non-nucleotide biomarkers (i.e., proteins, lipids, and metabolites), highlighting the pre-analytical to post-analytical variables, which may affect the accurate identification of biomarkers from body fluids.
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Affiliation(s)
- Fatemeh Safari
- School of Biotechnology and Biomolecular Sciences, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Cheka Kehelpannala
- BCAL Diagnostics Ltd., Suite 506, 50 Clarence St, Sydney, NSW 2000, Australia
- BCAL Dx, The University of Sydney, Sydney Knowledge Hub, Merewether Building, Sydney, NSW 2006, Australia
| | - Azadeh Safarchi
- School of Biotechnology and Biomolecular Sciences, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
- Microbiomes for One Systems Health, Health and Biosecurity, CSIRO, Westmead, NSW 2145, Australia
| | - Amani M Batarseh
- BCAL Diagnostics Ltd., Suite 506, 50 Clarence St, Sydney, NSW 2000, Australia
- BCAL Dx, The University of Sydney, Sydney Knowledge Hub, Merewether Building, Sydney, NSW 2006, Australia
| | - Fatemeh Vafaee
- School of Biotechnology and Biomolecular Sciences, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
- UNSW Data Science Hub (uDASH), University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
- OmniOmics.ai Pty Ltd., Sydney, NSW 2035, Australia
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17
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Head-to-head comparison of four COVID-19 vaccines on platelet activation, coagulation and inflammation. The TREASURE study. Thromb Res 2023; 223:24-33. [PMID: 36702064 PMCID: PMC9846886 DOI: 10.1016/j.thromres.2023.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/01/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
INTRODUCTION Studies exploring alterations in blood coagulation and platelet activation induced by COVID-19 vaccines are not concordant. We aimed to assess the impact of four COVID-19 vaccines on platelet activation, coagulation, and inflammation considering also the immunization dose and the history of SARS-CoV-2 infection. METHODS TREASURE study enrolled 368 consecutive subjects (161 receiving viral vector vaccines -ChAdOx1-S/Vaxzevria or Janssen- and 207 receiving mRNA vaccines -Comirnaty/Pfizer-BioNTech or Spikevax/Moderna). Blood was collected the day before and 8 ± 2 days after the vaccination. Platelet activation markers (P-selectin, aGPIIbIIIa and Tissue Factor expression; number of platelet-monocyte and -granulocyte aggregates) and microvesicle release were analyzed by flow cytometry. Platelet thrombin generation (TG) capacity was measured using the Calibrated Automated Thrombogram. Plasma coagulation and inflammation markers and immune response were evaluated by ELISA. RESULTS Vaccination did not induce platelet activation and microvesicle release. IL-6 and CRP levels (+30%), D-dimer, fibrinogen and F1+2 (+13%, +3.7%, +4.3%, respectively) but not TAT levels significantly increased upon immunization with all four vaccines, with no difference among them and between first and second dose. An overall minor post-vaccination reduction of aPC, TM and TFPI, all possibly related to endothelial function, was observed. No anti-PF4 seroconversion was observed. CONCLUSION This study showed that the four COVID-19 vaccines administered to a large population sample induce a transient inflammatory response, with no onset of platelet activation. The minor changes in clotting activation and endothelial function might be potentially involved at a population level in explaining the very rare venous thromboembolic complications of COVID-19 vaccination.
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Agouti I, Masson E, Loundou A, Jean E, Arnaud L, Abdili E, Berenger P, Lavoipierre V, Séguier J, Dignat-George F, Lacroix R, Bernit E. Plasma levels of E-selectin are associated with retinopathy in sickle cell disease. Eur J Haematol 2023; 110:271-279. [PMID: 36409296 PMCID: PMC10100354 DOI: 10.1111/ejh.13902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND The vascular endothelium is markedly disrupted in sickle cell disease (SCD) and is the converging cascade of the complex pathophysiologic processes linked to sickle cell vasculopathy. Circulating endothelial activation and/or apoptotic markers may reflect this endothelial activation/damage that contributes to the pathophysiology of the SCD vascular complications. METHODS Plasmatic levels of circulating endothelial cells (CECs), E-selectin, progenitor's endothelial cells (EPCs), and circulating extracellular vesicles (EVs) were evaluated in 50 SCD patients, 16 with vasculopathy. The association between these markers and the occurrence of disease-related microvascular injuries of the eye (retinopathy), kidney (nephropathy), and skin (chronic active ulcers) was explored. RESULTS Among the endothelial activation markers studied, only higher plasma levels of E-selectin were found in SCD patients with vasculopathy (p = .015). Increased E-selectin levels were associated with retinopathy (p < .001) but not with nephropathy or leg ulcers. All patients, at steady state, with or without vasculopathy, did not display a high count of CEC and EPC, markers of endothelial injury and repair. We did not show any significant differences in EVs levels between vasculopathy and not vasculopathy SCD patients. CONCLUSIONS Further studies will be required to determine whether the E-selectin could be used as an early biomarker of retinopathy sickle cell development.
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Affiliation(s)
- Imane Agouti
- Centre de référence des syndromes drépanocytaires majeurs, thalassémies et autres pathologies rare du globule rouge et de l'érythropoïèse, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Elodie Masson
- Département de médecine interne, Hôpital de la Timone, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Anderson Loundou
- Centre d'Etudes et de Recherche sur les services de santé et la qualité de vie. Unité de recherche EA 3279. Faculté de médecine, université Aix Marseille, Marseille, France
| | - Estelle Jean
- Centre de référence des syndromes drépanocytaires majeurs, thalassémies et autres pathologies rare du globule rouge et de l'érythropoïèse, Assistance Publique des Hôpitaux de Marseille, Marseille, France.,Département de médecine interne, Hôpital de la Timone, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Laurent Arnaud
- Département d'Hématologie et de Biologie vasculaire. Biogénopôle, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Evelyne Abdili
- Département d'Hématologie et de Biologie vasculaire. Biogénopôle, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Patricia Berenger
- Département d'Hématologie et de Biologie vasculaire. Biogénopôle, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Virginie Lavoipierre
- Département de médecine interne, Hôpital de la Timone, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Julie Séguier
- Centre de référence des syndromes drépanocytaires majeurs, thalassémies et autres pathologies rare du globule rouge et de l'érythropoïèse, Assistance Publique des Hôpitaux de Marseille, Marseille, France.,Département de médecine interne, Hôpital de la Timone, Assistance Publique des Hôpitaux de Marseille, Marseille, France
| | - Françoise Dignat-George
- Département d'Hématologie et de Biologie vasculaire. Biogénopôle, Assistance Publique des Hôpitaux de Marseille, Marseille, France.,C2VN, INSERM, INRAE, université Aix Marseille, Marseille, France
| | - Romaric Lacroix
- Département d'Hématologie et de Biologie vasculaire. Biogénopôle, Assistance Publique des Hôpitaux de Marseille, Marseille, France.,C2VN, INSERM, INRAE, université Aix Marseille, Marseille, France
| | - Emmanuelle Bernit
- Centre de référence des syndromes drépanocytaires majeurs, thalassémies et autres pathologies rare du globule rouge et de l'érythropoïèse, Assistance Publique des Hôpitaux de Marseille, Marseille, France.,Unité transversale de la drépanocytose, centre de référence des syndromes drépanocytaires majeurs, thalassémies et autres pathologies rare du globule rouge et de l'érythropoïèse, CHU de la Guadeloupe, Guadeloupe, France
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Buerck JP, Foster KM, Larson PR, O'Rear EA. Shear stimulated red blood cell microparticles: Effect on clot structure, flow and fibrinolysis. Biorheology 2023; 59:43-59. [PMID: 36970891 DOI: 10.3233/bir-220012] [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: 06/12/2023]
Abstract
BACKGROUND Microparticles (MPs) have activity in thrombus promotion and generation. Erythrocyte microparticles (ErMPs) have been reported to accelerate fibrinolysis in the absence of permeation. We hypothesized that shear induced ErMPs would affect fibrin structure of clots and change flow with implications for fibrinolysis. OBJECTIVE To determine the effect of ErMPs on clot structure and fibrinolysis. METHODS Plasma with elevated ErMPs was isolated from whole blood or from washed red blood cells (RBCs) resuspended in platelet free plasma (PFP) after high shear. Dynamic light scattering (DLS) provided size distribution of ErMPs from sheared samples and unsheared PFP controls. Clots were formed by recalcification for flow/lysis experiments and examined by confocal microscopy and SEM. Flow rates through clots and time-to-lysis were recorded. A cellular automata model showed the effect of ErMPs on fibrin polymerization and clot structure. RESULTS Coverage of fibrin increased by 41% in clots formed from plasma of sheared RBCs in PFP over controls. Flow rate decreased by 46.7% under a pressure gradient of 10 mmHg/cm with reduction in time to lysis from 5.7 ± 0.7 min to 12.2 ± 1.1 min (p < 0.01). Particle size of ErMPs from sheared samples (200 nm) was comparable to endogenous microparticles. CONCLUSIONS ErMPs alter the fibrin network in a thrombus and affect hydraulic permeability resulting in decelerated delivery of fibrinolytic drugs.
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Affiliation(s)
- James P Buerck
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
| | - Kylie M Foster
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
| | - Preston R Larson
- Samuel Roberts Noble Electron Microscopy Laboratory, University of Oklahoma, Norman, OK, USA
| | - Edgar A O'Rear
- School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, OK, USA
- Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, Norman, OK, USA
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20
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Bettio V, Mazzucco E, Antona A, Cracas S, Varalda M, Venetucci J, Bruno S, Chiabotto G, Venegoni C, Vasile A, Chiocchetti A, Quaglia M, Camussi G, Cantaluppi V, Panella M, Rolla R, Manfredi M, Capello D. Extracellular vesicles from human plasma for biomarkers discovery: Impact of anticoagulants and isolation techniques. PLoS One 2023; 18:e0285440. [PMID: 37163560 PMCID: PMC10171685 DOI: 10.1371/journal.pone.0285440] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/24/2023] [Indexed: 05/12/2023] Open
Abstract
Extracellular vesicles (EVs) isolated from plasma are increasingly recognized as promising circulating biomarkers for disease discovery and progression, as well as for therapeutic drug delivery. The scientific community underlined the necessity of standard operative procedures for the isolation and storage of the EVs to ensure robust results. The understanding of the impact of the pre-analytical variables is still limited and some considerations about plasma anticoagulants and isolation methods are necessary. Therefore, we performed a comparison study between EVs isolated by ultracentrifugation and by affinity substrate separation from plasma EDTA and sodium citrate. The EVs were characterized by Nano Tracking Analysis, Western Blot, cytofluorimetric analysis of surface markers, and lipidomic analysis. While anticoagulants did not significantly alter any of the analyzed parameters, the isolation methods influenced EVs size, purity, surface markers expression and lipidomic profile. Compared to ultracentrifugation, affinity substrate separation yielded bigger particles highly enriched in tetraspanins (CD9, CD63, CD81), fatty acids and glycerolipids, with a predominant LDL- and vLDL-like contamination. Herein, we highlighted that the isolation method should be carefully evaluated prior to study design and the need of standardized operative procedures for EVs isolation and application to biomarkers discovery.
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Affiliation(s)
- Valentina Bettio
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
- UPO Biobank, University of Piemonte Orientale, Novara, Italy
| | - Eleonora Mazzucco
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
- UPO Biobank, University of Piemonte Orientale, Novara, Italy
| | - Annamaria Antona
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Silvia Cracas
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Marco Varalda
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Jacopo Venetucci
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Stefania Bruno
- Department of Medical Sciences, University of Torino, Turin, Italy
| | - Giulia Chiabotto
- Department of Medical Sciences, University of Torino, Turin, Italy
| | - Chiara Venegoni
- Interdisciplinary Research Center of Autoimmune Diseases, Center on Autoimmune and Allergic Diseases, University of Piemonte Orientale, Novara, Italy
- Department of Health Science, "Maggiore della Carità" University Hospital, Novara, Italy
| | - Alessandra Vasile
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Annalisa Chiocchetti
- Interdisciplinary Research Center of Autoimmune Diseases, Center on Autoimmune and Allergic Diseases, University of Piemonte Orientale, Novara, Italy
- Department of Health Science, "Maggiore della Carità" University Hospital, Novara, Italy
| | - Marco Quaglia
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale, "Maggiore della Carità" University Hospital, Novara, Italy
| | - Giovanni Camussi
- Department of Medical Sciences, University of Torino, Turin, Italy
| | - Vincenzo Cantaluppi
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
- Nephrology and Kidney Transplantation Unit, Department of Translational Medicine, University of Piemonte Orientale, "Maggiore della Carità" University Hospital, Novara, Italy
| | - Massimiliano Panella
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Roberta Rolla
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
- Clinical Chemistry, Azienda Ospedaliera-Universitaria "Maggiore della Carità", Università del Piemonte Orientale, Novara, Italy
| | - Marcello Manfredi
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
| | - Daniela Capello
- Department of Translational Medicine, Center of Excellence in Aging Sciences, University of Piemonte Orientale, Novara, Italy
- UPO Biobank, University of Piemonte Orientale, Novara, Italy
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Nunes P, Silva S, Mazzarella R, Lima C, Silveira J, Leite-Dellova D. Serum small extracellular vesicles in overweight and obese dogs before and after weight loss: preliminary observations. ARQ BRAS MED VET ZOO 2023. [DOI: 10.1590/1678-4162-12571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
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Intravesicular Genomic DNA Enriched by Size Exclusion Chromatography Can Enhance Lung Cancer Oncogene Mutation Detection Sensitivity. Int J Mol Sci 2022; 23:ijms232416052. [PMID: 36555692 PMCID: PMC9785009 DOI: 10.3390/ijms232416052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/11/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Extracellular vesicles (EVs) are cell-derived structures surrounded by a lipid bilayer that carry RNA and DNA as potential templates for molecular diagnostics, e.g., in cancer genotyping. While it has been established that DNA templates appear on the outside of EVs, no consensus exists on which nucleic acid species inside small EVs (<200 nm, sEVs) are sufficiently abundant and accessible for developing genotyping protocols. We investigated this by extracting total intravesicular nucleic acid content from sEVs isolated from the conditioned cell medium of the human NCI-H1975 cell line containing the epidermal growth factor (EGFR) gene mutation T790M as a model system for non-small cell lung cancer. We observed that mainly short genomic DNA (<35−100 bp) present in the sEVs served as a template. Using qEV size exclusion chromatography (SEC), significantly lower yield and higher purity of isolated sEV fractions were obtained as compared to exoEasy membrane affinity purification and ultracentrifugation. Nevertheless, we detected the EGFR T790M mutation in the sEVs’ lumen with similar sensitivity using digital PCR. When applying SEC-based sEV separation prior to cell-free DNA extraction on spiked human plasma samples, we found significantly higher mutant allele frequencies as compared to standard cell-free DNA extraction, which in part was due to co-purification of circulating tumor DNA. We conclude that intravesicular genomic DNA can be exploited next to ctDNA to enhance EGFR T790M mutation detection sensitivity by adding a fast and easy-to-use sEV separation method, such as SEC, upstream of standard clinical cell-free DNA workflows.
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Assessment of Small Cellular Particles from Four Different Natural Sources and Liposomes by Interferometric Light Microscopy. Int J Mol Sci 2022; 23:ijms232415801. [PMID: 36555442 PMCID: PMC9779747 DOI: 10.3390/ijms232415801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/28/2022] [Accepted: 12/07/2022] [Indexed: 12/15/2022] Open
Abstract
Small particles in natural sources are a subject of interest for their potential role in intercellular, inter-organism, and inter-species interactions, but their harvesting and assessment present a challenge due to their small size and transient identity. We applied a recently developed interferometric light microscopy (ILM) to assess the number density and hydrodynamic radius (Rh) of isolated small cellular particles (SCPs) from blood preparations (plasma and washed erythrocytes) (B), spruce needle homogenate (S), suspension of flagellae of microalgae Tetraselmis chuii (T), conditioned culture media of microalgae Phaeodactylum tricornutum (P), and liposomes (L). The aliquots were also assessed by flow cytometry (FCM), dynamic light scattering (DLS), ultraviolet-visible spectrometry (UV-vis), and imaging by cryogenic transmission electron microscopy (cryo-TEM). In Rh, ILM showed agreement with DLS within the measurement error in 10 out of 13 samples and was the only method used here that yielded particle density. Cryo-TEM revealed that representative SCPs from Tetraselmis chuii flagella (T) did not have a globular shape, so the interpretation by Rh of the batch methods was biased. Cryo-TEM showed the presence of thin filaments in isolates from Phaeodactylum tricornutum conditioned culture media (P), which provides an explanation for the considerably larger Rh obtained by batch methods than the sizes of particles observed by cryo-TEM images. ILM proved convenient for assessment of number density and Rh of SCPs in blood preparations (e.g., plasma); therefore, its use in population and clinical studies is indicated.
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Vandendriessche C, Kapogiannis D, Vandenbroucke RE. Biomarker and therapeutic potential of peripheral extracellular vesicles in Alzheimer's disease. Adv Drug Deliv Rev 2022; 190:114486. [PMID: 35952829 PMCID: PMC9985115 DOI: 10.1016/j.addr.2022.114486] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/01/2022] [Accepted: 08/03/2022] [Indexed: 01/24/2023]
Abstract
Extracellular vesicles (EVs) are cell-derived nanoparticles with an important role in intercellular communication, even across brain barriers. The bidirectional brain-barrier crossing capacity of EVs is supported by research identifying neuronal markers in peripheral EVs, as well as the brain delivery of peripherally administered EVs. In addition, EVs are reflective of their cellular origin, underlining their biomarker and therapeutic potential when released by diseased and regenerative cells, respectively. Both characteristics are of interest in Alzheimer's disease (AD) where the current biomarker profile is solely based on brain-centered readouts and effective therapeutic options are lacking. In this review, we elaborate on the role of peripheral EVs in AD. We focus on bulk EVs and specific EV subpopulations including bacterial EVs (bEVs) and neuronal-derived EVs (nEVs), which have mainly been studied from a biomarker perspective. Furthermore, we highlight the therapeutic potential of peripherally administered EVs whereby research has centered around stem cell derived EVs.
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Affiliation(s)
- Charysse Vandendriessche
- VIB Center for Inflammation Research, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Dimitrios Kapogiannis
- Intramural Research Program, Laboratory of Clinical Investigation, National Institute on Aging, Baltimore, USA; Department of Neurology, Johns Hopkins School of Medicine, Baltimore, USA
| | - Roosmarijn E Vandenbroucke
- VIB Center for Inflammation Research, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium.
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Bettin B, Gasecka A, Li B, Dhondt B, Hendrix A, Nieuwland R, van der Pol E. Removal of platelets from blood plasma to improve the quality of extracellular vesicle research. J Thromb Haemost 2022; 20:2679-2685. [PMID: 36043239 PMCID: PMC9825910 DOI: 10.1111/jth.15867] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/23/2022] [Accepted: 08/29/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Blood plasma is commonly used for biomarker research of extracellular vesicles (EVs). Removing all cells prior to analysis of EVs is essential. OBJECTIVES We therefore studied the efficacy of the most commonly used centrifugation protocol to prepare cell-free plasma. METHODS Plasma was prepared according to the double centrifugation protocol of the International Society on Thrombosis and Haemostasis (ISTH) in three independent studies. The concentrations of platelets, platelet-derived EVs, and erythrocyte-derived EVs were measured by calibrated flow cytometry. RESULTS The mean platelet concentration ranged from 5.1 × 105 /ml to 2.8 × 107 /ml and differed 55-fold between studies. Thus, the ISTH centrifugation protocol does not remove all platelets and results in variation between studies. As the concentration of platelet-derived EVs and platelets correlates linearly (R2 = .56), and the volume fraction of EVs and platelets in plasma are similar, the presence of platelets affects downstream analysis. To remove platelets a 0.8-μm polycarbonate filter was used to lower the platelet concentration 146-fold (p = .0013), without affecting the concentration of platelet-derived and erythrocyte-derived EVs (p = .982, p = .742). CONCLUSIONS To improve the quality of EV research, we recommend (1) measuring and reporting the platelet concentration in plasma used for EV research, or (2) removing platelets by centrifugation followed by filtration.
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Affiliation(s)
- Britta Bettin
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering & Physics, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Vesicle Observation Center, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Aleksandra Gasecka
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering & Physics, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- 1st Chair and Department of CardiologyMedical University of WarsawWarsawPoland
| | - Bo Li
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering & Physics, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Department of Laboratory MedicineNanfang Hospital, Southern Medical UniversityGuangzhouChina
| | - Bert Dhondt
- Department of UrologyGhent University HospitalGhentBelgium
- Laboratory of Experimental Cancer Research, Department of Human Structure and RepairGhent UniversityGhentBelgium
- Cancer Research InstituteGhentBelgium
| | - An Hendrix
- Department of UrologyGhent University HospitalGhentBelgium
- Laboratory of Experimental Cancer Research, Department of Human Structure and RepairGhent UniversityGhentBelgium
- Cancer Research InstituteGhentBelgium
| | - Rienk Nieuwland
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering & Physics, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Edwin van der Pol
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Biomedical Engineering & Physics, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
- Vesicle Observation Center, Amsterdam University Medical Centers, Location AMCUniversity of AmsterdamAmsterdamThe Netherlands
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Brain Microvascular Endothelial Cell-Derived Exosomes Protect Neurons from Ischemia–Reperfusion Injury in Mice. Pharmaceuticals (Basel) 2022; 15:ph15101287. [PMID: 36297399 PMCID: PMC9608440 DOI: 10.3390/ph15101287] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/14/2022] [Accepted: 10/16/2022] [Indexed: 11/17/2022] Open
Abstract
Stroke often results in neurological and neuropsychiatric sequela. Exosomes derived from brain endothelial cells (EC-Exo) protect neurons from hypoxic injury. However, the biological role of exosomes in apoptosis and synaptic plasticity remains unclear. This research aimed to assess whether cerebral microvascular endothelial cells inhibit apoptosis and promote synaptic remodeling through exosome-mediated cell–cell interaction after the ischemic attack. The effects of EC-Exo on primary neuronal apoptosis and synapses in oxyglucose deprivation reoxygenation (OGD/R) injury were first assessed in vitro. Animal experiments were performed using C57BL/6J mice, divided into three groups: a sham group, a model (middle cerebral artery occlusion/reperfusion, MCAO/R) group, and an EC-Exo group (tail vein injection of EC-Exo, once/2 days for 14 days) to evaluate the neuromotor and exploratory abilities of mice after MCAO/R. Apoptosis and synaptic protein expression levels were detected. The results demonstrated that EC-Exo inhibited neuronal apoptosis and increased synaptic length after OGD/R. In vivo, EC-Exo not only improved neural motor behavior and increased regional cerebral blood flow (rCBF) in MCAO/R-injured mice but also promoted the expression of synaptic regulatory proteins and inhibited apoptosis in the brain. These results suggest that EC-Exo may provide neuroprotection against stroke by promoting synaptic remodeling and inhibiting apoptosis from protecting neurons.
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Tsering T, Li M, Chen Y, Nadeau A, Laskaris A, Abdouh M, Bustamante P, Burnier JV. EV-ADD, a database for EV-associated DNA in human liquid biopsy samples. J Extracell Vesicles 2022; 11:e12270. [PMID: 36271888 PMCID: PMC9587709 DOI: 10.1002/jev2.12270] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/20/2022] [Accepted: 09/06/2022] [Indexed: 11/06/2022] Open
Abstract
Extracellular vesicles (EVs) play a key role in cellular communication both in physiological conditions and in pathologies such as cancer. Emerging evidence has shown that EVs are active carriers of molecular cargo (e.g. protein and nucleic acids) and a powerful source of biomarkers and targets. While recent studies on EV‐associated DNA (EV‐DNA) in human biofluids have generated a large amount of data, there is currently no database that catalogues information on EV‐DNA. To fill this gap, we have manually curated a database of EV‐DNA data derived from human biofluids (liquid biopsy) and in‐vitro studies, called the Extracellular Vesicle‐Associated DNA Database (EV‐ADD). This database contains validated experimental details and data extracted from peer‐reviewed published literature. It can be easily queried to search for EV isolation methods and characterization, EV‐DNA isolation techniques, quality validation, DNA fragment size, volume of starting material, gene names and disease context. Currently, our database contains samples representing 23 diseases, with 13 different types of EV isolation techniques applied on eight different human biofluids (e.g. blood, saliva). In addition, EV‐ADD encompasses EV‐DNA data both representing the whole genome and specifically including oncogenes, such as KRAS, EGFR, BRAF, MYC, and mitochondrial DNA (mtDNA). An EV‐ADD data metric system was also integrated to assign a compliancy score to the MISEV guidelines based on experimental parameters reported in each study. While currently available databases document the presence of proteins, lipids, RNA and metabolites in EVs (e.g. Vesiclepedia, ExoCarta, ExoBCD, EVpedia, and EV‐TRACK), to the best of our knowledge, EV‐ADD is the first of its kind to compile all available EV‐DNA datasets derived from human biofluid samples. We believe that this database provides an important reference resource on EV‐DNA‐based liquid biopsy research, serving as a learning tool and to showcase the latest developments in the EV‐DNA field. EV‐ADD will be updated yearly as newly published EV‐DNA data becomes available and it is freely available at www.evdnadatabase.com.
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Affiliation(s)
- Thupten Tsering
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Mingyang Li
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Yunxi Chen
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Amélie Nadeau
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Alexander Laskaris
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Mohamed Abdouh
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Prisca Bustamante
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Julia V. Burnier
- Cancer Research ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
- Gerald Bronfman Department of OncologyMcGill UniversityMontrealQuebecCanada
- Experimental Pathology UnitDepartment of PathologyMcGill UniversityMontrealQuebecCanada
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28
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Chen Y, Liu J, Su Y, Zhao H, Zhao Y, Wen M, Lu S, Cao X, Zhang W, Liu L, Wu J. Annexin V - and tissue factor + microparticles as biomarkers for predicting deep vein thrombosis in patients after joint arthroplasty. Clin Chim Acta 2022; 536:169-179. [PMID: 36191610 DOI: 10.1016/j.cca.2022.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 08/29/2022] [Accepted: 09/08/2022] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Venous thromboembolism (VTE) is a common and severe complication of joint arthroplasty. Microparticles (MPs) containing phosphatidylserine (PS) and tissue factor (TF) can trigger coagulation in VTE. This study aims to measure and compare MP levels in joint arthroplasty patients with and without VTE. METHODS This prospective cohort study enrolled 181 patients who underwent joint arthroplasty. Ultrasound examination was used to diagnose VTE on preoperative day 0 and postoperative day 6. MPs were analysed using transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), and flow cytometry. The levels of platelet-derived microparticles (PMPs), endothelial cell-derived microparticles (EMPs), granulocyte-derived microparticles (GMPs), red cell-derived microparticles (RMPs), monocyte-derived microparticles (MMPs), Annexin V+ MPs (AV+ MPs), and tissue factor+ MPs (TF+ MPs) derived from five kinds of MPs were measured on day 0 (before surgery), 1, 2, 3, 4, 5, and 6 after surgery. RESULTS The levels of AV-TF+ EMPs and AV-TF+ MMPs were significantly increased in patients with VTE on postoperative day 5 compared to those without VTE (P=0.031 and P=0.031, respectively). CONCLUSION AV-TF+ MPs may indicate the development of VTE and serve as predictive markers in joint arthroplasty patients.
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Affiliation(s)
- Yuying Chen
- Department of Clinical Laboratory, Peking University Fourth School of Clinical Medicine, Beijing, P.R.China
| | - Jian Liu
- Adult reconstruction department, Beijing Jishuitan Hospital, Beijing, P.R.China
| | - Yu Su
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, P.R.China
| | - Huiru Zhao
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, P.R.China
| | - Yujing Zhao
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, P.R.China
| | - Meng Wen
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, P.R.China
| | - Shan Lu
- Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, P.R.China
| | - Xiangyu Cao
- Department of Clinical Laboratory, Peking University Fourth School of Clinical Medicine, Beijing, P.R.China
| | - Wenjie Zhang
- Department of Clinical Laboratory, Peking University Fourth School of Clinical Medicine, Beijing, P.R.China
| | - Lei Liu
- Department of Clinical Laboratory, Liyuan Hospital of Tongji Medical College of Huazhong University of Science and Technology, Hubei, P.R.China
| | - Jun Wu
- Department of Clinical Laboratory, Peking University Fourth School of Clinical Medicine, Beijing, P.R.China; Department of Clinical Laboratory, Beijing Jishuitan Hospital, Beijing, P.R.China.
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29
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Lamarre Y, Nader E, Connes P, Romana M, Garnier Y. Extracellular Vesicles in Sickle Cell Disease: A Promising Tool. Bioengineering (Basel) 2022; 9:bioengineering9090439. [PMID: 36134985 PMCID: PMC9495982 DOI: 10.3390/bioengineering9090439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/25/2022] [Accepted: 08/31/2022] [Indexed: 12/12/2022] Open
Abstract
Sickle cell disease (SCD) is the most common hemoglobinopathy worldwide. It is characterized by an impairment of shear stress-mediated vasodilation, a pro-coagulant, and a pro-adhesive state orchestrated among others by the depletion of the vasodilator nitric oxide, by the increased phosphatidylserine exposure and tissue factor expression, and by the increased interactions of erythrocytes with endothelial cells that mediate the overexpression of adhesion molecules such as VCAM-1, respectively. Extracellular vesicles (EVs) have been shown to be novel actors involved in SCD pathophysiological processes. Medium-sized EVs, also called microparticles, which exhibit increased plasma levels in this pathology, were shown to induce the activation of endothelial cells, thereby increasing neutrophil adhesion, a key process potentially leading to the main complication associated with SCD, vaso-occlusive crises (VOCs). Small-sized EVs, also named exosomes, which have also been reported to be overrepresented in SCD, were shown to potentiate interactions between erythrocytes and platelets, and to trigger endothelial monolayer disruption, two processes also known to favor the occurrence of VOCs. In this review we provide an overview of the current knowledge about EVs concentration and role in SCD.
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Affiliation(s)
- Yann Lamarre
- Université Paris Cité and Université des Antilles, Inserm, BIGR, F-75015 Paris, France
| | - Elie Nader
- Laboratoire Inter-Universitaire de Biologie de la Motricité EA7424, Team “Vascular Biology and Red Blood Cell”, Université Claude Bernard Lyon 1, Université de Lyon, 69622 Lyon, France
| | - Philippe Connes
- Laboratoire Inter-Universitaire de Biologie de la Motricité EA7424, Team “Vascular Biology and Red Blood Cell”, Université Claude Bernard Lyon 1, Université de Lyon, 69622 Lyon, France
| | - Marc Romana
- Université Paris Cité and Université des Antilles, Inserm, BIGR, F-75015 Paris, France
| | - Yohann Garnier
- Université Paris Cité and Université des Antilles, Inserm, BIGR, F-75015 Paris, France
- Correspondence: ; Tel.: +590-590-891530
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30
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Wang C, Li L, Yang C, Zhang Z, Li X, Wang Y, Lv X, Qi X, Song G. One night of sleep deprivation induces release of small extracellular vesicles into circulation and promotes platelet activation by small EVs. J Cell Mol Med 2022; 26:5033-5043. [PMID: 36043452 PMCID: PMC9549501 DOI: 10.1111/jcmm.17528] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/01/2022] [Accepted: 08/08/2022] [Indexed: 11/30/2022] Open
Abstract
Extracellular vesicles (EVs) are emerging as key players in intercellular communication. Few studies have focused on EV levels in subjects with sleep disorders. Here, we aimed to explore the role of acute sleep deprivation on the quantity and functionality of circulating EVs, and their tissue distribution. EVs were isolated by ultracentrifugation from the plasma of volunteers and animals undergoing one night of sleep deprivation. Arterio-venous shunt, FeCl3 thrombus test and thrombin-induced platelet aggregation assay were conducted to evaluate the in vivo and in vitro bioactivity of small EVs. Western blotting was performed to measure the expression of EV proteins. The fate and distribution of circulating small EVs were determined by intravital imaging. We found that one night of sleep deprivation triggers release of small EVs into the circulation in both healthy individuals and animals. Injection of sleep deprivation-liberated small EVs into animals increased thrombus formation and weight in thrombosis models. Also, sleep deprivation-liberated small EVs promoted platelet aggregation induced by thrombin. Mechanistically, sleep deprivation increased the levels of HMGB1 protein in small EVs, which play important roles in platelet activation. Furthermore, we found sleep deprivation-liberated small EVs are more readily localize in the liver. These data suggested that one night of sleep deprivation is a stress for small EV release, and small EVs released here may increase the risk of thrombosis. Further, small EVs may be implicated in long distance signalling during sleep deprivation-mediated adaptation processes.
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Affiliation(s)
- Chongyue Wang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China.,Taishan Vocational College of Nursing, Taian, China
| | - Lulu Li
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Chao Yang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Zhaoqiang Zhang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Xiao Li
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Yun Wang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Xiang Lv
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Xufeng Qi
- Key Laboratory of Regenerative Medicine of Ministry of Education, Department of Developmental & Regenerative Biology, Jinan University, Guangzhou, China
| | - Guohua Song
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
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31
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Beckner ME, Conkright WR, Mi Q, Martin BJ, Sahu A, Flanagan SD, Ledford AK, Wright M, Susmarski A, Ambrosio F, Nindl BC. Neuroendocrine, Inflammatory, and Extracellular Vesicle Responses During the Navy Special Warfare Screener Selection Course. Physiol Genomics 2022; 54:283-295. [PMID: 35695270 PMCID: PMC9291410 DOI: 10.1152/physiolgenomics.00184.2021] [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: 11/22/2022] Open
Abstract
BACKGROUND Military operational stress is known to increase adrenal hormones and inflammatory cytokines, while decreasing hormones associated with the anabolic milieu and neuroendocrine system. Less is known about the role of extracellular vesicles (EVs), a form of cell-to-cell communication, in military operational stress and their relationship to circulating hormones. PURPOSE To characterize the neuroendocrine, cytokine, and EV response to an intense, 24-h selection course known as the Naval Special Warfare (NSW) Screener and identify associations between EVs and cytokines. METHODS Blood samples were collected the morning of and following the NSW Screener in 29 men (18 - 26 years). Samples were analyzed for concentrations of cortisol, insulin-like growth factor I (IGF-I), neuropeptide-Y (NPY), brain-derived neurotrophic factor (BDNF), α-klotho, tumor necrosis factor- α (TNFα), and interleukins (IL) -1β, -6, and -10. EVs stained with markers associated with exosomes (CD63), microvesicles (VAMP3), and apoptotic bodies (THSD1) were characterized using imaging flow cytometry and vesicle flow cytometry. RESULTS The selection event induced significant changes in circulating BDNF (-43.2%), IGF-I (-24.56%), TNFα (+17.7%), IL-6 (+13.6%), accompanied by increases in intensities of THSD1+ and VAMP3+ EVs (all p<0.05). Higher concentrations of IL-1β and IL-10 were positively associated with THSD1+ EVs (p<0.05). CONCLUSION Military operational stress altered the EV profile. Surface markers associated with apoptotic bodies were positively correlated with an inflammatory response. Future studies should consider a multi-omics assessment of EV cargo to discern canonical pathways that may be mediated by EVs during military stress.
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Affiliation(s)
- Meaghan E Beckner
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, United States
| | - William R Conkright
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, United States
| | - Qi Mi
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, United States
| | - Brian J Martin
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, United States
| | - Amrita Sahu
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States
| | - Shawn D Flanagan
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, United States
| | - Andrew K Ledford
- Department of Leadership, Ethics, and Law, U.S. Naval Academy, Annapolis, MD, United States
| | - Martin Wright
- Human Performance Lab, Physical Education Department, U.S. Naval Academy, Annapolis, MD, United States
| | - Adam Susmarski
- Brigade Orthopedics and Sports Medicine, U.S. Navy Academy, Annapolis, MD, United States
| | - Fabrisia Ambrosio
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA, United States.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Bradley C Nindl
- Neuromuscular Research Laboratory/Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, PA, United States
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32
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Rother N, Yanginlar C, Pieterse E, Hilbrands L, van der Vlag J. Microparticles in Autoimmunity: Cause or Consequence of Disease? Front Immunol 2022; 13:822995. [PMID: 35514984 PMCID: PMC9065258 DOI: 10.3389/fimmu.2022.822995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/25/2022] [Indexed: 12/15/2022] Open
Abstract
Microparticles (MPs) are small (100 nm - 1 um) extracellular vesicles derived from the plasma membrane of dying or activated cells. MPs are important mediators of intercellular communication, transporting proteins, nucleic acids and lipids from the parent cell to other cells. MPs resemble the state of their parent cells and are easily accessible when released into the blood or urine. MPs also play a role in the pathogenesis of different diseases and are considered as potential biomarkers. MP isolation and characterization is technically challenging and results in different studies are contradictory. Therefore, uniform guidelines to isolate and characterize MPs should be developed. Our understanding of MP biology and how MPs play a role in different pathological mechanisms has greatly advanced in recent years. MPs, especially if derived from apoptotic cells, possess strong immunogenic properties due to the presence of modified proteins and nucleic acids. MPs are often found in patients with autoimmune diseases where MPs for example play a role in the break of immunological tolerance and/or induction of inflammatory conditions. In this review, we describe the main techniques to isolate and characterize MPs, define the characteristics of MPs generated during cell death, illustrate different mechanism of intercellular communication via MPs and summarize the role of MPs in pathological mechanisms with a particular focus on autoimmune diseases.
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Affiliation(s)
- Nils Rother
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Cansu Yanginlar
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Elmar Pieterse
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Luuk Hilbrands
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Johan van der Vlag
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
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33
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Karimi N, Dalirfardouei R, Dias T, Lötvall J, Lässer C. Tetraspanins distinguish separate extracellular vesicle subpopulations in human serum and plasma - Contributions of platelet extracellular vesicles in plasma samples. J Extracell Vesicles 2022; 11:e12213. [PMID: 35524458 PMCID: PMC9077141 DOI: 10.1002/jev2.12213] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/16/2022] [Accepted: 03/23/2022] [Indexed: 12/11/2022] Open
Abstract
Background: The ability to isolate extracellular vesicles (EVs) from blood is vital in the development of EVs as disease biomarkers. Both serum and plasma can be used, but few studies have compared these sources in terms of the type of EVs that are obtained. The aim of this study was to determine the presence of different subpopulations of EVs in plasma and serum. Method: Blood was collected from healthy subjects, and plasma and serum were isolated in parallel. ACD or EDTA tubes were used for the collection of plasma, while serum was obtained in clot activator tubes. EVs were isolated utilising a combination of density cushion and SEC, a combination of density cushion and gradient or by a bead antibody capturing system (anti‐CD63, anti‐CD9 and anti‐CD81 beads). The subpopulations of EVs were analysed by NTA, Western blot, SP‐IRIS, conventional and nano flow cytometry, magnetic bead ELISA and mass spectrometry. Additionally, different isolation protocols for plasma were compared to determine the contribution of residual platelets in the analysis. Results: This study shows that a higher number of CD9+ EVs were present in EDTA‐plasma compared to ACD‐plasma and to serum, and the presence of CD41a on these EVs suggests that they were released from platelets. Furthermore, only a very small number of EVs in blood were double‐positive for CD63 and CD81. The CD63+ EVs were enriched in serum, while CD81+ vesicles were the rarest subpopulation in both plasma and serum. Additionally, EDTA‐plasma contained more residual platelets than ACD‐plasma and serum, and two centrifugation steps were crucial to reduce the number of platelets in plasma prior to EV isolation. Conclusion: These results show that human blood contains multiple subpopulations of EVs that carry different tetraspanins. Blood sampling methods, including the use of anti‐coagulants and choice of centrifugation protocols, can affect EV analyses and should always be reported in detail.
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Affiliation(s)
- Nasibeh Karimi
- Krefting Research Centre, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Razieh Dalirfardouei
- Krefting Research Centre, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Endometrium and Endometriosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.,Faculty of Medicine, Department of Medical Biotechnology, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Jan Lötvall
- Krefting Research Centre, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Cecilia Lässer
- Krefting Research Centre, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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34
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Sivanantham A, Jin Y. Impact of Storage Conditions on EV Integrity/Surface Markers and Cargos. Life (Basel) 2022; 12:life12050697. [PMID: 35629364 PMCID: PMC9146501 DOI: 10.3390/life12050697] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/05/2022] [Accepted: 05/06/2022] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) are small biological particles released into biofluids by every cell. Based on their size, they are classified into small EVs (<100 nm or <200 nm) and medium or large EVs (>200 nm). In recent years, EVs have garnered interest for their potential medical applications, including disease diagnosis, cell-based biotherapies, targeted drug delivery systems, and others. Currently, the long-term and short-term storage temperatures for biofluids and EVs are −80 °C and 4 °C, respectively. The storage capacity of EVs can depend on their number, size, function, temperature, duration, and freeze−thaw cycles. While these parameters are increasingly studied, the effects of preservation and storage conditions of EVs on their integrity remain to be understood. Knowledge gaps in these areas may ultimately impede the widespread applicability of EVs. Therefore, this review summarizes the current knowledge on the effect of storage conditions on EVs and their stability and critically explores prospective ways for improving long-term storage conditions to ensure EV stability.
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Affiliation(s)
| | - Yang Jin
- Correspondence: ; Tel.: +1-617-358-1356
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35
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Uldry AC, Maciel-Dominguez A, Jornod M, Buchs N, Braga-Lagache S, Brodard J, Jankovic J, Bonadies N, Heller M. Effect of Sample Transportation on the Proteome of Human Circulating Blood Extracellular Vesicles. Int J Mol Sci 2022; 23:ijms23094515. [PMID: 35562906 PMCID: PMC9099550 DOI: 10.3390/ijms23094515] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/08/2022] [Accepted: 04/09/2022] [Indexed: 02/01/2023] Open
Abstract
Circulating extracellular vesicles (cEV) are released by many kinds of cells and play an important role in cellular communication, signaling, inflammation modulation, coagulation, and tumor growth. cEV are of growing interest, not only as biomarkers, but also as potential treatment targets. However, very little is known about the effect of transporting biological samples from the clinical ward to the diagnostic laboratory, notably on the protein composition. Pneumatic tube systems (PTS) and human carriers (C) are both routinely used for transport, subjecting the samples to different ranges of mechanical forces. We therefore investigated qualitatively and quantitatively the effect of transport by C and PTS on the human cEV proteome and particle size distribution. We found that samples transported by PTS were subjected to intense, irregular, and multidirectional shocks, while those that were transported by C mostly underwent oscillations at a ground frequency of approximately 4 Hz. PTS resulted in the broadening of nanoparticle size distribution in platelet-free (PFP) but not in platelet-poor plasma (PPP). Cell-type specific cEV-associated protein abundances remained largely unaffected by the transport type. Since residual material of lymphocytes, monocytes, and platelets seemed to dominate cEV proteomes in PPP, it was concluded that PFP should be preferred for any further analyses. Differential expression showed that the impact of the transport method on cEV-associated protein composition was heterogeneous and likely donor-specific. Correlation analysis was nonetheless able to detect that vibration dose, shocks, and imparted energy were associated with different terms depending on the transport, namely in C with cytoskeleton-regulated cell organization activity, and in PTS with a release of extracellular vesicles, mainly from organelle origin, and specifically from mitochondrial structures. Feature selection algorithm identified proteins which, when considered together with the correlated protein-protein interaction network, could be viewed as surrogates of network clusters.
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Affiliation(s)
- Anne-Christine Uldry
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, 3008 Bern, Switzerland; (A.-C.U.); (A.M.-D.); (M.J.); (N.B.); (S.B.-L.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
| | - Anabel Maciel-Dominguez
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, 3008 Bern, Switzerland; (A.-C.U.); (A.M.-D.); (M.J.); (N.B.); (S.B.-L.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
| | - Maïwenn Jornod
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, 3008 Bern, Switzerland; (A.-C.U.); (A.M.-D.); (M.J.); (N.B.); (S.B.-L.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
| | - Natasha Buchs
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, 3008 Bern, Switzerland; (A.-C.U.); (A.M.-D.); (M.J.); (N.B.); (S.B.-L.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
| | - Sophie Braga-Lagache
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, 3008 Bern, Switzerland; (A.-C.U.); (A.M.-D.); (M.J.); (N.B.); (S.B.-L.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
| | - Justine Brodard
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (J.B.); (J.J.)
| | - Jovana Jankovic
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (J.B.); (J.J.)
| | - Nicolas Bonadies
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (J.B.); (J.J.)
| | - Manfred Heller
- Proteomics and Mass Spectrometry Core Facility, Department for BioMedical Research (DBMR), University of Bern, 3008 Bern, Switzerland; (A.-C.U.); (A.M.-D.); (M.J.); (N.B.); (S.B.-L.)
- Department for BioMedical Research, University of Bern, 3008 Bern, Switzerland;
- Correspondence: ; Tel.: +41-31-684-04-82
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36
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Bonifay A, Robert S, Champagne B, Petit PR, Eugène A, Chareyre C, Duchez AC, Vélier M, Fritz S, Vallier L, Lacroix R, Dignat-George F. A new strategy to count and sort neutrophil-derived extracellular vesicles: Validation in infectious disorders. J Extracell Vesicles 2022; 11:e12204. [PMID: 35362257 PMCID: PMC8971553 DOI: 10.1002/jev2.12204] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/27/2022] [Accepted: 03/01/2022] [Indexed: 01/13/2023] Open
Abstract
Newly recognized polymorphonuclear neutrophil (PMNs) functions include the ability to release subcellular mediators such as neutrophil‐derived extracellular vesicles (NDEVs) involved in immune and thrombo‐inflammatory responses. Elevation of their plasmatic level has been reported in a variety of infectious and cardiovascular disorders, but the clinical use of this potential biomarker is hampered by methodological issues. Although flow cytometry (FCM) is currently used to detect NDEVs in the plasma of patients, an extensive characterization of NDEVs has never been done. Moreover, their detection remains challenging because of their small size and low antigen density. Therefore, the objective of the present study was first to establish a surface antigenic signature of NDEVs detectable by FCM and therefore to improve their detection in biological fluids by developing a strategy allowing to overcome their low fluorescent signal and reduce the background noise. By testing a large panel of 54 antibody specificities already reported to be positive on PMNs, we identified a profile of 15 membrane protein markers, including 4 (CD157, CD24, CD65 and CD66c) never described on NDEVs. Among them, CD15, CD66b and CD66c were identified as the most sensitive and specific markers to detect NDEVs by FCM. Using this antigenic signature, we developed a new strategy combining the three best antibodies in a cocktail and reducing the background noise by size exclusion chromatography (SEC). This strategy allowed a significant improvement in NDEVs enumeration in plasma from sepsis patients and made it feasible to efficiently sort NDEVs from COVID‐19 patients. Altogether, this work opens the door to a more valuable measurement of NDEVs as a potential biomarker in clinical practice. A similar strategy could also be applied to improve detection by FCM of other rare subpopulations of EVs generated by tissues with limited access, such as vascular endothelium, cancer cells or placenta.
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Affiliation(s)
- Amandine Bonifay
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France.,Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
| | - Stéphane Robert
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France
| | - Belinda Champagne
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France
| | - Paul-Rémi Petit
- Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
| | - Aude Eugène
- Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
| | - Corinne Chareyre
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France
| | - Anne-Claire Duchez
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France
| | - Mélanie Vélier
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France.,Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
| | - Shirley Fritz
- Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
| | - Loris Vallier
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France
| | - Romaric Lacroix
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France.,Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
| | - Françoise Dignat-George
- Aix-Marseille University, C2VN, INSERM 1263, INRA 1260, Marseille, France.,Department of Hematology and Vascular Biology, CHU La Conception, APHM, Marseille, France
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Abstract
Platelets are essential mediators of physiological hemostasis and pathological thrombosis. Currently available tests and markers of platelet activation did not prove successful in guiding treatment decisions for patients with cardiovascular disease, justifying further research into novel markers of platelet reactivity. Platelets contain a variety of microRNAs (miRNAs) and are a major contributor to the extracellular circulating miRNA pool. Levels of platelet-derived miRNAs in the circulation have been associated with different measures of platelet activation as well as antiplatelet therapy and have therefore been implied as potential new markers of platelet reactivity. In contrast to the ex vivo assessment of platelet reactivity by current platelet function tests, miRNA measurements may enable assessment of platelet reactivity in vivo. It remains to be seen however, whether miRNAs may aid clinical diagnostics. Major limitations in the platelet miRNA research field remain the susceptibility to preanalytical variation, non-standardized sample preparation and data normalization that hampers inter-study comparisons. In this review, we provide an overview of the literature on circulating miRNAs as biomarkers of platelet activation, highlighting the underlying biology, the application in patients with cardiovascular disease and antiplatelet therapy and elaborating on technical limitations regarding their quantification in the circulation.
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Affiliation(s)
- Clemens Gutmann
- King's College London British Heart Foundation Centre, School of Cardiovascular Medicine and Sciences, London, UK
| | - Manuel Mayr
- King's College London British Heart Foundation Centre, School of Cardiovascular Medicine and Sciences, London, UK
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Harjen HJ, Hellum M, Rørtveit R, Oscarson M, Anfinsen KP, Moldal ER, Solbak S, Kanse SM, Henriksson CE. Persistent hypercoagulability in dogs envenomated by the European adder (Vipera berus berus). PLoS One 2022; 17:e0263238. [PMID: 35180240 PMCID: PMC8856559 DOI: 10.1371/journal.pone.0263238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 01/14/2022] [Indexed: 11/23/2022] Open
Abstract
Background Envenomation by the European adder, Vipera berus berus (Vbb), is a medical emergency. The overall in vivo haemostatic effects of pro- and anticoagulant components in Vbb venom, and the downstream effects of cellular injury and systemic inflammation, are unclear. Objectives To longitudinally describe the global coagulation status of dogs after Vbb envenomation and compare to healthy controls. A secondary aim was to investigate differences between dogs treated with and without antivenom. Methods Citrated plasma was collected at presentation, 12 hours (h), 24 h, 36 h and 15 days after bite from 28 dogs envenomated by Vbb, and from 28 healthy controls at a single timepoint. Thrombin generation (initiated with and without exogenous phospholipids and tissue factor), thrombin-antithrombin (TAT)-complexes and the procoagulant activity of phosphatidylserine (PS)-expressing extracellular vesicles (EVs), expressed as PS-equivalents, were measured. Results At presentation the envenomated dogs were hypercoagulable compared to controls, measured as increased thrombin generation, TAT-complexes and PS-equivalents. The hypercoagulability decreased gradually but compared to controls thrombin generation and PS-equivalents were still increased at day 15. The discrepancy in peak thrombin between envenomated dogs and controls was greater when the measurement was phospholipid-dependent, indicating that PS-positive EVs contribute to hypercoagulability. Lag time was shorter in non-antivenom treated dogs, compared to antivenom treated dogs <24 h after envenomation. Conclusions Hypercoagulability was measured in dogs up to 15 days after Vbb envenomation. Dogs treated with antivenom may be less hypercoagulable than their non-antivenom treated counterparts. Thrombin generation is a promising diagnostic and monitoring tool for Vbb envenomation.
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Affiliation(s)
- Hannah J. Harjen
- Faculty of Veterinary Medicine, Department of Companion Animal Clinical Sciences, Norwegian University of Life Sciences, Oslo, Norway
- * E-mail:
| | - Marit Hellum
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- The Blood Cell Research Group, Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
| | - Runa Rørtveit
- Faculty of Veterinary Medicine, Department of Preclinical Sciences and Pathology, Norwegian University of Life Sciences, Oslo, Norway
| | | | - Kristin P. Anfinsen
- Faculty of Veterinary Medicine, Department of Companion Animal Clinical Sciences, Norwegian University of Life Sciences, Oslo, Norway
| | - Elena R. Moldal
- Faculty of Veterinary Medicine, Department of Companion Animal Clinical Sciences, Norwegian University of Life Sciences, Oslo, Norway
| | - Susanna Solbak
- Anicura Dyresykehus Oslo, Oslo, Norway
- Anicura Jeløy Dyresykehus, Moss, Norway
| | - Sandip M. Kanse
- Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Carola E. Henriksson
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- The Blood Cell Research Group, Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
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Benameur T, Panaro MA, Porro C. Exosomes and their Cargo as a New Avenue for Brain and Treatment of CNS-Related Diseases. Open Neurol J 2022. [DOI: 10.2174/1874205x-v16-e2201190] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Extracellular Vesicles (EVs), which belong to nanoscale vesicles, including microvesicles (MVs) and exosomes, are now considered a new important tool for intercellular neuronal communication in the Central Nervous System (CNS) under physiological and pathological conditions. EVs are shed into blood, peripheral body fluids and cerebrospinal fluid (CSF) by a large variety of cells.
EVs can act locally on neighboring and distant cells. EVs represent the fingerprints of the originating cells and can carry a variety of molecular constituents of their cell of origin, including protein, lipids, DNA and microRNAs (miRNAs).
The most studied EVs are the exosomes because they are ubiquitous and have the capacity to transfer cell-derived components and bioactive molecules to target cells. In this minireview, we focused on cell-cell communication in CNS mediated by exosomes and their important cargo as an innovative way to treat or follow up with CNS diseases.
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40
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Irreversible alteration of extracellular vesicle and cell-free messenger RNA profiles in human plasma associated with blood processing and storage. Sci Rep 2022; 12:2099. [PMID: 35136102 PMCID: PMC8827089 DOI: 10.1038/s41598-022-06088-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/19/2022] [Indexed: 12/31/2022] Open
Abstract
The discovery and utility of clinically relevant circulating biomarkers depend on standardized methods that minimize preanalytical errors. Despite growing interest in studying extracellular vesicles (EVs) and cell-free messenger RNA (cf-mRNA) as potential biomarkers, how blood processing and freeze/thaw impacts the profiles of these analytes in plasma was not thoroughly understood. We utilized flow cytometric analysis to examine the effect of differential centrifugation and a freeze/thaw cycle on EV profiles. Utilizing flow cytometry postacquisition analysis software (FCMpass) to calibrate light scattering and fluorescence, we revealed how differential centrifugation and post-freeze/thaw processing removes and retains EV subpopulations. Additionally, cf-mRNA levels measured by RT-qPCR profiles from a panel of housekeeping, platelet, and tissue-specific genes were preferentially affected by differential centrifugation and post-freeze/thaw processing. Critically, freezing plasma containing residual platelets yielded irreversible ex vivo generation of EV subpopulations and cf-mRNA transcripts, which were not removable by additional processing after freeze/thaw. Our findings suggest the importance of minimizing confounding variation attributed to plasma processing and platelet contamination.
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41
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Heitmar R, Blann AD. Oxygen saturation in retinal vessels and their correlation with endothelial microparticles in diabetes mellitus and/or cardiovascular disease. Microvasc Res 2022; 142:104336. [PMID: 35143812 DOI: 10.1016/j.mvr.2022.104336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 02/01/2022] [Accepted: 02/01/2022] [Indexed: 10/19/2022]
Abstract
PURPOSE Retinal oxygen supply is a critical requirement in ocular function, and when inadequate can lead to retinopathy. Endothelial dysfunction is a leading pathophysiology in diabetes and cardiovascular disease and may be assessed by endothelial microparticles (EMPs). We hypothesised links between retinal vessel oxygenation and EMPs, expecting these indices to be more adverse in those with both DM and CVD. METHODS Plasma from 34 patients with diabetes mellitus alone (DM), 40 with cardiovascular disease (CVD) alone and 36 with DM plus CVD was probed for EMPs by flow cytometry, but also for vascular markers soluble E-selectin (sEsel) and von Willebrand factor (vWf) (both ELISA). Retinal vessel fractal dimension, lacunarity, calibres and oxygen saturation were assessed from monochromatic and dual wavelength imaging respectively, intra-ocular pressure by was measured by rebound tonometry (I-CARE). RESULTS There was no difference in oxygenation (arterial p = 0.725, venous p = 0.264, arterio-venous difference 0.375) between the groups, but there were differences in EMPs (p = 0.049), vWf (p = 0.004) and sEsel (p = 0.032). In the entire cohort, and in diabetes alone, EMPs correlated with venous oxygenation (r = 0.24, p = 0.009 and r = 0.43, p = 0.011 respectively), while in DM + CVD, sEsel correlated with venous oxygenation (r = 0.55, p = 0.002) and with the arterial-venous difference (r = -0.63, p = 0.001). In multivariate regression analysis of vascular markers against retinal oximetry indices in the entire group, EMPs were positively linked to venous oxygenation (p = 0.037). CONCLUSIONS Despite differences in systemic markers of vascular function between DM, CVD and DM + CVD, there was no difference in arterial or venous retinal oxygenation, or their difference. However, EMPs were linked to venous oximetry, and may provide further insight into the mechanisms underlying diabetes and diabetic retinopathy.
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Affiliation(s)
- R Heitmar
- Aston University, School of Optometry, College of Health and Life Sciences, Aston Triangle, B4 7ET Birmingham, UK; Huddersfield University, Optometry and Vision Sciences, HD1 3DH Huddersfield, UK.
| | - A D Blann
- Huddersfield University, Optometry and Vision Sciences, HD1 3DH Huddersfield, UK; University of Birmingham Institute for Cardiovascular Sciences, City Hospital, Birmingham B18 7QH, UK
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Ramirez-Garrastacho M, Bajo-Santos C, Line A, Martens-Uzunova ES, de la Fuente JM, Moros M, Soekmadji C, Tasken KA, Llorente A. Extracellular vesicles as a source of prostate cancer biomarkers in liquid biopsies: a decade of research. Br J Cancer 2022; 126:331-350. [PMID: 34811504 PMCID: PMC8810769 DOI: 10.1038/s41416-021-01610-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 01/02/2023] Open
Abstract
Prostate cancer is a global cancer burden and considerable effort has been made through the years to identify biomarkers for the disease. Approximately a decade ago, the potential of analysing extracellular vesicles in liquid biopsies started to be envisaged. This was the beginning of a new exciting area of research investigating the rich molecular treasure found in extracellular vesicles to identify biomarkers for a variety of diseases. Vesicles released from prostate cancer cells and cells of the tumour microenvironment carry molecular information about the disease that can be analysed in several biological fluids. Numerous studies document the interest of researchers in this field of research. However, methodological issues such as the isolation of vesicles have been challenging. Remarkably, novel technologies, including those based on nanotechnology, show promise for the further development and clinical use of extracellular vesicles as liquid biomarkers. Development of biomarkers is a long and complicated process, and there are still not many biomarkers based on extracellular vesicles in clinical use. However, the knowledge acquired during the last decade constitutes a solid basis for the future development of liquid biopsy tests for prostate cancer. These are urgently needed to bring prostate cancer treatment to the next level in precision medicine.
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Affiliation(s)
- Manuel Ramirez-Garrastacho
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | | | - Aija Line
- Latvian Biomedical Research and Study Centre, Riga, Latvia
| | - Elena S Martens-Uzunova
- Erasmus MC Cancer Institute, University Medical Center Rotterdam, Department of Urology, Laboratory of Experimental Urology, Erasmus MC, Rotterdam, The Netherlands
| | - Jesus Martinez de la Fuente
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Maria Moros
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Carolina Soekmadji
- Department of Cell and Molecular Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Kristin Austlid Tasken
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Alicia Llorente
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.
- Department for Mechanical, Electronics and Chemical Engineering, Oslo Metropolitan University, Oslo, Norway.
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43
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Serratì S, Guida M, Di Fonte R, De Summa S, Strippoli S, Iacobazzi RM, Quarta A, De Risi I, Guida G, Paradiso A, Porcelli L, Azzariti A. Circulating extracellular vesicles expressing PD1 and PD-L1 predict response and mediate resistance to checkpoint inhibitors immunotherapy in metastatic melanoma. Mol Cancer 2022; 21:20. [PMID: 35042524 PMCID: PMC8764806 DOI: 10.1186/s12943-021-01490-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 12/26/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The immunotherapy with immune checkpoints inhibitors (ICI) has changed the life expectancy in metastatic melanoma (MM) patients. Nevertheless, several patients do not respond hence, the identification and validation of novel biomarkers of response to ICI is of crucial importance. Circulating extracellular vesicles (EVs) such as PD-L1+ EV mediate resistance to anti-PD1, instead the role of PD1+ EV is not fully understood. METHODS We isolated the circulating EVs from the plasma of an observational cohort study of 71 metastatic melanoma patients and correlated the amount of PD-L1+ EVs and PD1+ EVs with the response to ICI. The analysis was performed according to the origin of EVs from the tumor and the immune cells. Subsequently, we analysed the data in a validation cohort of 22 MM patients to assess the reliability of identified EV-based biomarkers. Additionally we assessed the involvement of PD1+ EVs in the seizure of nivolumab and in the perturbation of immune cells-mediated killing of melanoma spheroids. RESULTS The level of PD-L1+ EVs released from melanoma and CD8+ T cells and that of PD1+ EVs irrespective of the cellular origin were higher in non-responders. The Kaplan-Meier curves indicated that higher levels of PD1+ EVs were significantly correlated with poorer progression-free survival (PFS) and overall survival (OS). Significant correlations were found for PD-L1+ EVs only when released from melanoma and T cells. The multivariate analysis showed that high level of PD1+ EVs, from T cells and B cells, and high level of PD-L1+ EVs from melanoma cells, are independent biomarkers of response. The reliability of PD-L1+ EVs from melanoma and PD1+ EVs from T cells in predicting PFS was confirmed in the validation cohort through the univariate Cox-hazard regression analysis. Moreover we discovered that the circulating EVs captured nivolumab and reduced the T cells trafficking and tumor spheroids killing. CONCLUSION Our study identified circulating PD1+ EVs as driver of resistance to anti-PD1, and highlighted that the analysis of single EV population by liquid biopsy is a promising tool to stratify MM patients for immunotherapy.
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Affiliation(s)
- Simona Serratì
- Laboratory of Nanotechnology, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Michele Guida
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Roberta Di Fonte
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Simona De Summa
- Molecular Diagnostics and Pharmacogenetics Unit, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Sabino Strippoli
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Rosa Maria Iacobazzi
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Alessandra Quarta
- CNR NANOTEC-Istituto di Nanotecnologia, National Research Council (CNR), via Monteroni, 73100, Lecce, Italy
| | - Ivana De Risi
- Rare Tumors and Melanoma Unit, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Gabriella Guida
- Department of Basic Medical Sciences Neurosciences and Sense Organs, University of Bari, Piazza G. Cesare, 11, 70124, Bari, Italy
| | - Angelo Paradiso
- Scientific Directorate, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Letizia Porcelli
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy
| | - Amalia Azzariti
- Laboratory of Nanotechnology, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy.
- Laboratory of Experimental Pharmacology, IRCCS Istituto Tumori Giovanni Paolo II, V.le O. Flacco, 65, 70124, Bari, Italy.
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Kristensen SR, Nybo J, Pedersen S. Thrombin generation measured on ST Genesia, a new platform in the coagulation routine lab: Assessment of analytical and between-subject variation. Res Pract Thromb Haemost 2022; 6:e12654. [PMID: 35128301 PMCID: PMC8803999 DOI: 10.1002/rth2.12654] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/19/2021] [Accepted: 12/23/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND The thrombin generation (TG) assay, which measures global coagulation, has mainly been used as a research tool to investigate thrombotic and bleeding disorders. Recently, Diagnostica Stago launched the ST Genesia, a fully automated system to perform "routine version" of this assay. The objectives of this study were to evaluate the imprecision compared with the previous method, Thrombinoscope CAT, and to establish reference intervals. METHODS Thrombin generation was measured in platelet-poor citrated plasma from 20 normal controls (fresh and after freezing at -80°C up to 12-13 weeks) on CAT and ST Genesia in duplicate to estimate the total variation, and within and between variations. The reference intervals were estimated nonparametrically in 30 men, 30 women taking combined oral contraceptives (COCs), and 30 women not taking COCs. These were sampled in both Vacutainer and Monovette tubes (i.e., tubes with a high and minimal contact activation, respectively). RESULTS Freezing had minimal effects. Imprecision was comparable between the ST Genesia and CAT, with a strong correlation between the two methods. TG was higher when sampled in Vacutainer than in Monovette. We observed a distinct difference between women taking and not taking COCs, whereas men and women not taking COC were quite similar. CONCLUSIONS Thrombin generation on ST Genesia showed an analytical variation similar to that of CAT. The results depended on the type of sample tubes; thus, reference intervals must be established for the collection tubes used in each laboratory. Furthermore, a considerable difference was observed between women using and not using COCs.
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Affiliation(s)
- Søren Risom Kristensen
- Department of Clinical BiochemistryAalborg University HospitalAalborgDenmark
- Department of Clinical MedicineAalborg UniversityAalborgDenmark
| | - Jette Nybo
- Department of Clinical BiochemistryAalborg University HospitalAalborgDenmark
| | - Shona Pedersen
- Department of Basic Medical SciencesCollege of MedicineQU HealthQatar UniversityDohaQatar
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Hajji N, Hau CM, Nieuwland R, van der Pol E. Protocol for Measuring Concentrations of Extracellular Vesicles in Human Blood Plasma with Flow Cytometry. Methods Mol Biol 2022; 2504:55-75. [PMID: 35467279 DOI: 10.1007/978-1-0716-2341-1_5] [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: 06/14/2023]
Abstract
Extracellular vesicles (EVs) are lipid membrane enclosed particles that are released from cells into body fluids, such as blood. EVs offer potential new biomarkers of diseases, because the cellular origin, composition, concentration, and function of EVs change in health and disease. The concentration of EVs from specific cell types in blood can be determined with flow cytometry. A flow cytometer measures fluorescence and light scattering signals from single EVs, but only if these signals are sufficiently bright to be detected. Measured concentrations of EVs are therefore only reproducible and comparable if the detection ranges are known and reported in standard units, such as molecules of equivalent soluble fluorophore (MESF) for fluorescence signals and the diameter in nm for scatter signals. The goal of this protocol is to discuss all steps needed to derive the concentration of cell-type specific EVs within a known diameter range and fluorescence range. More specifically, this protocol describes how to determine the concentration of CD61+ (Integrin beta-3, platelet marker), CD235a+ (Glycophorin A, erythrocyte marker), and CD45+ (leukocyte common antigen) EVs in human blood plasma with an Apogee A60-Micro flow cytometer using scatter-based triggering. The principles behind this protocol could lay a firm basis for the design of a protocol suitable for other flow cytometers and body fluids.
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Affiliation(s)
- Najat Hajji
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
- Vesicle Observation Center, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Chi M Hau
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
- Vesicle Observation Center, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Rienk Nieuwland
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
- Vesicle Observation Center, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands
| | - Edwin van der Pol
- Laboratory Experimental Clinical Chemistry, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands.
- Vesicle Observation Center, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands.
- Biomedical Engineering and Physics, Amsterdam University Medical Centers, location AMC, Amsterdam, the Netherlands.
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46
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Bonifay A, Ghayad S, Lacroix R, Dignat-George F. [Extracellular vesicles-associated biomarkers: Opportunities and challenges in cardiovascular diseases and cancer]. Med Sci (Paris) 2021; 37:1158-1165. [PMID: 34928220 DOI: 10.1051/medsci/2021208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Cardiovascular diseases and cancer are the leading causes of mortality and morbidity in the world. The search for pertinent biomarkers for risk stratification and treatment monitoring is a challenge. Rapid advances in the identification of the molecular and functional content of extracellular vesicles (EV) and ongoing progress in developing highly sensitive methodologies, identify EV as promising biomarkers easily accessible in liquid biopsies. Thanks to robust and sensitive methodologies, the measurability of biological targets on EV allows to define vesicular biomarkers pertinent for disease management. Adaptation of the pre-analytical and analytical steps to each EV-associated biomarker, technological improvement and standardization efforts driven by scientific societies are essential prerequisites to accelerate the transfer of these EV-associated biomarkers to the clinics and to support the development of personalized medicine.
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Affiliation(s)
- Amandine Bonifay
- Aix-Marseille Université, C2VN (Centre de recherche en cardiovasculaire et nutrition), Inserm 1263, INRAe 1260, 13000 Marseille, France - Service d'hématologie et de biologie vasculaire, CHU La Conception, AP-HM, 13005 Marseille, France
| | - Sandra Ghayad
- Aix-Marseille Université, C2VN (Centre de recherche en cardiovasculaire et nutrition), Inserm 1263, INRAe 1260, 13000 Marseille, France
| | - Romaric Lacroix
- Aix-Marseille Université, C2VN (Centre de recherche en cardiovasculaire et nutrition), Inserm 1263, INRAe 1260, 13000 Marseille, France - Service d'hématologie et de biologie vasculaire, CHU La Conception, AP-HM, 13005 Marseille, France
| | - Françoise Dignat-George
- Aix-Marseille Université, C2VN (Centre de recherche en cardiovasculaire et nutrition), Inserm 1263, INRAe 1260, 13000 Marseille, France - Service d'hématologie et de biologie vasculaire, CHU La Conception, AP-HM, 13005 Marseille, France
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Warnier G, De Groote E, Britto FA, Delcorte O, Nederveen JP, Nilsson MI, Pierreux CE, Tarnopolsky MA, Deldicque L. Effects of an acute exercise bout in hypoxia on extracellular vesicle release in healthy and prediabetic subjects. Am J Physiol Regul Integr Comp Physiol 2021; 322:R112-R122. [PMID: 34907783 DOI: 10.1152/ajpregu.00220.2021] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PURPOSE To investigate exosome-like vesicle (ELV) plasma concentrations and markers of multivesicular body (MVB) biogenesis in skeletal muscle in response to acute exercise. METHODS Seventeen healthy (BMI: 23.5±0.5kg·m-2) and fifteen prediabetic (BMI: 27.3±1.2kg·m-2) men were randomly assigned to two groups performing an acute cycling bout in normoxia or hypoxia (FiO2 14.0%). Venous blood samples were taken before (T0), during (T30) and after (T60) exercise and biopsies from m. vastus lateralis were collected before and after exercise. Plasma ELVs were isolated by size exclusion chromatography, counted by nanoparticle tracking analysis (NTA), and characterized according to international standards, followed by expression analyses of canonical ELV markers in skeletal muscle. RESULTS In the healthy normoxic group, the total number of particles in the plasma increased during exercise from T0 to T30 (+313%) followed by a decrease from T30 to T60 (-53%). In the same group, an increase in TSG101, CD81 and HSP60 protein expression was measured after exercise in plasma ELVs; however, in the prediabetic group, the total number of particles in the plasma was not affected by exercise. The mRNA content of TSG101, ALIX and CD9 were upregulated in skeletal muscle after exercise in normoxia; whereas, CD9 and CD81 were downregulated in hypoxia. CONCLUSIONS ELV plasma abundance increased in response to acute aerobic exercise in healthy subjects in normoxia, but not in prediabetic subjects, nor in hypoxia. Skeletal muscle analyses suggested that this tissue did not likely play a major role of the exercise-induced increase in circulating ELVs.
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Affiliation(s)
- Geoffrey Warnier
- Institute of Neuroscience, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Estelle De Groote
- Institute of Neuroscience, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Florian A Britto
- Institute of Neuroscience, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Ophélie Delcorte
- CELL Unit, de Duve Institute, Université Catholique de Louvain, Brussels, Belgium
| | - Joshua P Nederveen
- Department of Pediatrics, McMaster University Medical Centre (MUMC), Hamilton, ON, Canada
| | - Mats I Nilsson
- Exerkine Corporation, McMaster University Medical Centre (MUMC), Hamilton, ON, Canada
| | | | - Mark A Tarnopolsky
- Department of Pediatrics, McMaster University Medical Centre (MUMC), Hamilton, ON, Canada
| | - Louise Deldicque
- Institute of Neuroscience, Université catholique de Louvain, Louvain-la-Neuve, Belgium
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48
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Buntsma NC, Gąsecka A, Roos YBWEM, van Leeuwen TG, van der Pol E, Nieuwland R. EDTA stabilizes the concentration of platelet-derived extracellular vesicles during blood collection and handling. Platelets 2021; 33:764-771. [PMID: 34697987 DOI: 10.1080/09537104.2021.1991569] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Citrate is the recommended anticoagulant for studies on plasma extracellular vesicles (EVs). Because citrate incompletely blocks platelet activation and the release of platelet-derived EVs, we compared EDTA and citrate in that regard. Blood from healthy individuals (n = 7) was collected and incubated with thrombin receptor-activating peptide-6 (TRAP-6) to activate platelets, subjected to pneumatic tube transportation (n = 6), a freeze-thaw cycle (n = 10), and stored before plasma preparation (n = 6). Concentrations of EVs from platelets (CD61+), activated platelets (P-selectin+), erythrocytes (CD235a+), and leukocytes (CD45+) were measured by flow cytometry. Concentrations of EVs from platelets and activated platelets increased 1.4-fold and 1.9-fold in EDTA blood upon platelet activation, and 4.2-fold and 9.6-fold in citrate blood. Platelet EV concentrations were unaffected by pneumatic tube transport in EDTA blood but increased in citrate blood, and EV concentrations of erythrocytes and leukocytes were comparable. The stability of EVs during a freeze-thaw cycle was comparable for both anticoagulants. Finally, the concentration of platelet EVs was stable during storage of EDTA blood for six hours, whereas this concentration increased 1.5-fold for citrate blood. Thus, EDTA improves the robustness of studies on plasma EVs.
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Affiliation(s)
- Naomi C Buntsma
- Department of Neurology, Amsterdam UMC, University of Amsterdam, The Netherlands.,Biomedical Engineering & Physics, Amsterdam UMC, University of Amsterdam, The Netherlands.,Vesicle Observation Centre, and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Aleksandra Gąsecka
- Vesicle Observation Centre, and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, The Netherlands.,1st Chair and Department of Cardiology, Medical University of Warsaw, Warsaw Poland
| | - Yvo B W E M Roos
- Department of Neurology, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Ton G van Leeuwen
- Biomedical Engineering & Physics, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Edwin van der Pol
- Biomedical Engineering & Physics, Amsterdam UMC, University of Amsterdam, The Netherlands.,Vesicle Observation Centre, and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, The Netherlands
| | - Rienk Nieuwland
- Biomedical Engineering & Physics, Amsterdam UMC, University of Amsterdam, The Netherlands.,Vesicle Observation Centre, and Laboratory of Experimental Clinical Chemistry, Amsterdam UMC, University of Amsterdam, The Netherlands
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49
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Chen K, Sheng M, Zhang J, Yan G, Li B. Plasma exosomal proteomic studies of corneal epithelial injury in diabetic and non-diabetic group. Exp Eye Res 2021; 212:108794. [PMID: 34656547 DOI: 10.1016/j.exer.2021.108794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Diabetic Keratopathy (DK) is one of the significant complications of type II diabetes (T2DM) with pathogenesis not yet clarified. Since hyperglycemia is able to change the protein components contained in plasma exosomes, liquid chromatography-tandem mass spectrometry (LC-MS/MS) is considered as feasible to analyze the expression of plasma exosomal proteins in patients with T2DM and non-diabetic patients respectively, find critical biological markers, and explore the mechanism of DK as well as potential therapeutic targets. METHOD Blood and clinical information of corneal epithelial injury in a diabetic group (the study group) and a non-diabetic group (the control group), who were patients admitted to the Department of Ophthalmology, Yangpu Hospital, Tongji University School of Medicine from July 2020 to November 2020, were collected. The qEV size exclusion method was adopted to separate exosomes from plasma. The exosomes were then identified through transmission electron microscopy (TEM), nanoparticle tracking analyzer (NTA), and Western blot. The plasma exosomes of the study group and the control group were quantitatively analyzed by proteomics. A bioinformatics method is utilized to screen differential proteins and the expression of the differential proteins was verified by Western blot. RESULT TEM indicated that the exosomes had a double-concave disc-like appearance, with a size of about 100 nm, and Western blot expressed as CD63 and TSG101. The plasma exosomes of the study group and the control group were analyzed by quantitative proteomics with a total number of 952 proteins detected of which 245 proteins existed in the ExoCarta exosomal protein database. Through adoption of P-value to screen credible differential proteins, the heat map displayed 28 differential proteins, 7 upregulated proteins, and 21 downregulated proteins; the volcano map displayed 7 upregulated proteins and 22 downregulated proteins; the PPI interaction map displayed 12 upregulated proteins and 18 downregulated proteins. Through GO enrichment analysis, it was identified that the differential protein participated in the main biological processes and was involved in regulating the cell's stimulation response to insulin, the insulin receptor signaling pathway, and the activity of glycosylphosphatidylinositol phospholipase D as well as anti-oxidation. The enriched cell components include main components such as exosomes, blood particles, and cytoplasm. KEGG enrichment analysis indicated that the target protein FLOT2 was mainly concentrated in insulin-related signaling pathways. Western blot indicated that the expression of FLOT2 in the study group was lower compared with the control group while the expression of Exo70 was higher. CONCLUSION Proteomic analysis of the study group and the control group displayed a variety of proteins in plasma exosomes. The downregulated protein FLOT2 in the study group was closely related to the occurrence, development, and complication of DK in T2DM patients. The expression status of plasma FLOT2 protein in T2DM patients is expected to be a biomarker for diagnosing and monitoring of DK.
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Affiliation(s)
- Kaichuan Chen
- Department of Ophthalmology, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200090, China; Department of Ophthalmology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China
| | - Minjie Sheng
- Department of Ophthalmology, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200090, China
| | - Jie Zhang
- Department of Ophthalmology, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200090, China
| | - Guoquan Yan
- Institutes of Biomedical Science Fudan University, 131# Dong'an Rd, Shanghai, 200032, PR China
| | - Bing Li
- Department of Ophthalmology, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200090, China.
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50
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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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