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Tayer AH, Jahromi HK, Kamravan M, Farhangdoost F, Ahmadi T, Kolaei M. Evaluation of circulating microvesicles and their procoagulant activity in patients with COVID-19. BMC Res Notes 2024; 17:233. [PMID: 39175048 PMCID: PMC11342662 DOI: 10.1186/s13104-024-06875-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 07/24/2024] [Indexed: 08/24/2024] Open
Abstract
OBJECTIVE Several pathological conditions trigger the formation of microvesicles (MVs), including infectious diseases such as COVID-19. The shedding of MVs increases the levels of inflammatory factors (e.g., interleukin-6; IL-6) and ultimately leads to an inflammatory cascade response, while also increasing the procoagulant response. The current study aimed to evaluate the level of circulating MVs and their procoagulant activity as well as the serum level of IL-6 in patients with COVID-19 and healthy controls. In this case-control study, 65 patients with COVID-19 and 30 healthy individuals were sampled after obtaining written informed consent. MVs counting was measured using conjugated CD61, CD45, CD235a, and Annexin-V antibodies. Additionally, the procoagulant activity of MVs and the IL-6 level were estimated using enzyme-linked immunosorbent assay (ELISA). RESULTS The majority of MVs were platelet-derived MVs (PMVs). Patients with COVID-19 had significantly higher levels of MVs, procoagulant MVs, and IL-6 compared to healthy controls (p < 0.001). MVs were significantly correlated with procoagulant MVs, D-Dimer levels, fibrinogen, and IL-6, but not with platelet, lymphocyte, and neutrophil counts. CONCLUSION Elevated levels of procoagulant MVs and their association with inflammatory and coagulation markers in patients with COVID-19 are suggested as a novel circulatory biomarker to evaluate and predict the procoagulant activity and severity of COVID-19.
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Affiliation(s)
- Akbar Hashemi Tayer
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran.
| | - Hossein Kargar Jahromi
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Maryam Kamravan
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Farzad Farhangdoost
- Research Center for Noncommunicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Tara Ahmadi
- Student Research Committee, Jahrom University of Medical Sciences, Jahrom, Iran
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Delorme AS, Laguide A, Tamagne M, Pinheiro MK, Cagnet L, Neyrinck-Leglantier D, Khelfa M, Cleophax S, Pirenne F, Vingert B. Immune interactions and regulation with CD39 + extracellular vesicles from platelet concentrates. Front Immunol 2024; 15:1397967. [PMID: 38947317 PMCID: PMC11211594 DOI: 10.3389/fimmu.2024.1397967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 05/27/2024] [Indexed: 07/02/2024] Open
Abstract
Introduction CD39 plays an important role in the immunoregulation and inhibition of effector cells. It is expressed on immune cells, including Tregs, and on extracellular vesicles (EVs) budding from the plasma membrane. Platelet transfusion may induce alloimmunization against HLA-I antigens, leading to refractoriness to platelet transfusion with severe consequences for patients. Tregs may play a key role in determining whether alloimmunization occurs in patients with hematologic disorders. We hypothesized that CD39+ EVs might play an immunoregulatory role, particularly in the context of platelet transfusions in patients with hematologic disorders. Such alloimmunization leads to the production of alloantibodies and is sensitive to the regulatory action of CD39. Methods We characterized CD39+ EVs in platelet concentrates by flow cytometry. The absolute numbers and cellular origins of CD39+ EVs were evaluated. We also performed functional tests to evaluate interactions with immune cells and their functions. Results We found that CD39+ EVs from platelet concentrates had an inhibitory phenotype that could be transferred to the immune cells with which they interacted: CD4+ and CD8+ T lymphocytes (TLs), dendritic cells, monocytes, and B lymphocytes (BLs). Moreover, the concentration of CD39+ EVs in platelet concentrates varied and was very high in 10% of concentrates. The number of these EVs present was determinant for EV-cell interactions. Finally, functional interactions were observed with BLs, CD4+ TLs and CD39+ EVs for immunoglobulin production and lymphoproliferation, with potential implications for the immunological management of patients.
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Affiliation(s)
- Adèle Silane Delorme
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Alexandra Laguide
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Marie Tamagne
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Marion Klea Pinheiro
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Léonie Cagnet
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Deborah Neyrinck-Leglantier
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Mehdi Khelfa
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | | | - France Pirenne
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
| | - Benoît Vingert
- Univ Paris Est Creteil, Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Mondor de la Recherche Biomédicale (IMRB), Creteil, France
- Etablissement Français du Sang, Ivry sur Seine, France
- Laboratory of Excellence, Biogénèse et Pathologies du Globule Rouge (GR-Ex), Paris, France
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Rešetar Maslov D, Rubić I, Farkaš V, Kuleš J, Beer Ljubić B, Beletić A, Samardžija M, Kovačić M, Jurkić Krsteska G, Mrljak V. Characterization and LC-MS/MS based proteomic analysis of extracellular vesicles separated from blood serum of healthy and dogs naturally infected by Babesia canis. A preliminary study. Vet Parasitol 2024; 328:110188. [PMID: 38653059 DOI: 10.1016/j.vetpar.2024.110188] [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: 01/09/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Canine babesiosis is a rapidly spreading tick-borne disease in Europe, which entails protozoan parasites invading red blood cells. Small extracellular vesicles (EVs) (< 200 nm) were isolated from the serum of 15 healthy and 15 by Babesia canis naturally infected dogs aimed to distinguish EV characteristics and protein profiles. There were no significant differences (P = 0.05) observed in the mean sizes and concentrations of serum EVs between the healthy and canine babesiosis groups. Despite a higher number of Canis lupus proteins detected in EVs from serum of diseased dogs, there were no statistically significant differences (P < 0.05) in the number of protein IDs between the experimental groups. We successfully identified 211 Canis lupus proteins across both experimental groups, of which 147 Canis lupus proteins were validated as being EV-associated. This data set is accessible via the ProteomeXchange PXD047647. EVs isolated from serum of B. canis infected dogs were Cd9+, Cd63+, Cd81+, and Cd82+. Furthermore, 73 Canis lupus proteins were validated as EV-associated and specific for EVs isolated from serum of B. canis-infected dogs. These were predominantly membrane and cytosolic proteins, and innate and adaptive immune system-related proteins, especially those involved in adhesion and proteoglycan mechanisms like integrins. Enrichment was also observed for proteins involved in vascular and cellular responses, including signalling pathways such as VEGF, VEGFR, and the LKB1 network. When only blood-related sites of EV expression were evaluated, the origins of EV proteins were mostly cells of immune system. These were dendritic cells, neutrophils, B cells, monocytes and platelets. In general, proteins were enriched in pathways that collectively regulate various cellular processes, including immune responses, communication, signal transduction, membrane trafficking, and apoptosis. Serum EVs and their protein cargo may have an important role in both the invasion of B. canis and the host's response to the parasitic infection, nevertheless, additional experimental research is warranted. The overall count of identified EV proteins of parasitic origin, meeting cut off criteria of two peptides and 1 % FDR, was relatively low.
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Affiliation(s)
- Dina Rešetar Maslov
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia.
| | - Ivana Rubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Vladimir Farkaš
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia; Ruđer Bošković Insitute, Division of Molecular Medicine, Laboratory of Molecular Neuropsychiatry, Bijenička cesta 54, Zagreb, Croatia
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova Street 55, Zagreb 10000, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Anđelo Beletić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia; Genos Ltd, Glycoscience Research Laboratory, Borongajska cesta 83H, Zagreb 10000, Croatia
| | - Marko Samardžija
- Reproduction and Obstetrics, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Mislav Kovačić
- Department of Biology, University of Osijek, Osijek 31000, Croatia
| | - Gabrijela Jurkić Krsteska
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
| | - Vladimir Mrljak
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Heinzelova street 55, Zagreb 10000, Croatia
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Li M, Zhao Y, Chen X, Du X, Luo Y, Li Y, Kang J, Wan L, Tang J, Fu X. Comparative analysis of the quality of platelet concentrates produced by apheresis procedures, platelet rich plasma, and buffy coat. Transfusion 2024; 64:367-379. [PMID: 38174435 DOI: 10.1111/trf.17704] [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: 03/20/2023] [Revised: 11/13/2023] [Accepted: 12/04/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Platelet concentrates (PCs) could be prepared using either whole-blood processes or apheresis instruments. During collection, processing and storage, some biochemical and functional changes occur, which may result in quality reduction. Quality evaluation of PCs may be helpful for the precise control of platelet (PLT) inventory to reduce the risk of refractoriness and adverse effects caused by platelet transfusion. STUDY DESIGN AND METHODS The study was aimed to evaluate the quality of PCs which were produced by five processes: apheresis (AP) procedures (using three different cell separators: Amicus, Trima Accel and MCS+ instruments), platelet rich plasma (PRP), and buffy coat (BC). A total of 100 PCs (20 of each group) were assessed in respect of routine quality control, morphology, size distribution, destroyed and activated platelets, and production of platelet-derived microparticles (PMPs). RESULTS All PCs have satisfied the recommended quality of volume, platelet count, residual WBC count, residual RBC count, pH, and sterility according to the Chinese Technical Manual. There was no difference among the 5 groups in morphology and size of PLT and PMPs. Dynamic light scattering test showed that apheresis PCs showed peaks around 10-20 nm, but not whole blood-derived PCs. PCs prepared by Amicus had the relatively high percentage of destroyed platelet, activated platelets and PMPs than other groups. DISCUSSION The data suggested high heterogeneity of PMPs, destroyed and activated platelets in PCs produced by different processes, which might be helpful to manage the platelet inventory for targeted use.
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Affiliation(s)
- Meng Li
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Yuwei Zhao
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Xue Chen
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Xinman Du
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Yue Luo
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Ying Li
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Jianxun Kang
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Like Wan
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Jingyun Tang
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
| | - Xuemei Fu
- Blood Research Laboratory, Chengdu Blood Center, Chengdu, P.R. China
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Ilvonen P, Pusa R, Härkönen K, Laitinen S, Impola U. Distinct targeting and uptake of platelet and red blood cell-derived extracellular vesicles into immune cells. JOURNAL OF EXTRACELLULAR BIOLOGY 2024; 3:e130. [PMID: 38938679 PMCID: PMC11080822 DOI: 10.1002/jex2.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 11/03/2023] [Accepted: 11/28/2023] [Indexed: 06/29/2024]
Abstract
Blood-derived extracellular vesicles (EVs) hold great therapeutic potential. As blood contains mixed EV populations, it is challenging to study EVs originating from different cells separately. Blood cell concentrates manufactured in blood banks offer an excellent non-invasive source of blood cell-specific EV populations. To study blood cell-specific EVs, we isolated EVs from platelet (TREVs) and red blood cell (EryEVs) concentrates and characterized them using nanoparticle tracking analysis, imaging flow cytometry, electron microscopy and western blot analysis and co-cultured them with peripheral blood mononuclear cells (PBMCs). Our aim was to use imaging flow cytometry to investigate EV interaction with PBMCs as well as study their effects on T-lymphocyte populations to better understand their possible biological functions. As a conclusion, TREVs interacted with PBMCs more than EryEVs. Distinctively, TREVs were uptaken into CD11c+ monocytes rapidly and into CD19+ B-lymphocytes in 24 h. EryEVs were not uptaken into CD11c+ monocytes before the 24-h time point, and they were only seen on the surface of lymphocytes. Neither TREVs nor EryEV were uptaken into CD3+ T-lymphocytes and no effect on T-cell populations was detected. We have previously seen similar differences in targeting PC-3 cancer cells. Further studies are needed to address the functional properties of blood cell concentrate-derived EVs. This study demonstrates that imaging flow cytometry can be used to study the distinctive differences in the interaction and uptake of EVs. Considering our current and previous results, EVs present a new valuable component for the future development of blood-derived therapeutics.
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Affiliation(s)
| | - Reetta Pusa
- Finnish Red Cross Blood ServiceHelsinkiFinland
| | | | | | - Ulla Impola
- Finnish Red Cross Blood ServiceHelsinkiFinland
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Pelletier M, Breton Y, Allaeys I, Becker Y, Benson T, Boilard E. Platelet extracellular vesicles and their mitochondrial content improve the mitochondrial bioenergetics of cellular immune recipients. Transfusion 2023; 63:1983-1996. [PMID: 37642274 DOI: 10.1111/trf.17524] [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: 04/17/2023] [Revised: 08/12/2023] [Accepted: 08/12/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND Mitochondria play a critical role in the production of cell energy and the regulation of cell death. Therefore, mitochondria orchestrate numerous cell effector functions, including fine-tuning the immune system. While mitochondria are mainly found intracellularly, they can escape the confine of the cell during the process of extracellular vesicle release. Platelets patrol blood vessels to ensure vasculature integrity and to support the immune system. In blood, platelets are the primary source of circulating mitochondria. Activated platelets produce extracellular vesicles, including a subset of mitochondria-containing vesicles. STUDY DESIGN AND METHODS We characterized mitochondrial functions in platelet-derived extracellular vesicles, and examined whether they could impact the bioenergetics of cellular immune recipients using an extracellular flux analyzer to measure real-time bioenergetics. RESULTS We validated that extracellular vesicles derived from activated platelets contain the necessary mitochondrial machinery to respirate and generate energy. Moreover, neutrophils and monocytes efficiently captured platelet-derived extracellular vesicles, enhancing their mitochondrial fitness. This process required functional mitochondria from donor platelets, as it was abolished by the inactivation of extracellular mitochondria using mitochondrial poison. DISCUSSION Together, the data suggest that extracellular mitochondria produced by platelets may support other metabolic functions through transcellular bioenergetics.
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Affiliation(s)
- Martin Pelletier
- Infectious and Immune Diseases Axis, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Québec, Québec, Canada
- Centre de Recherche ARThrite - Arthrite, Recherche, Traitements, Université Laval, Québec, Québec, Canada
| | - Yann Breton
- Infectious and Immune Diseases Axis, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Québec, Québec, Canada
- Centre de Recherche ARThrite - Arthrite, Recherche, Traitements, Université Laval, Québec, Québec, Canada
| | - Isabelle Allaeys
- Infectious and Immune Diseases Axis, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Québec, Québec, Canada
- Centre de Recherche ARThrite - Arthrite, Recherche, Traitements, Université Laval, Québec, Québec, Canada
| | - Yann Becker
- Infectious and Immune Diseases Axis, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Québec, Québec, Canada
- Centre de Recherche ARThrite - Arthrite, Recherche, Traitements, Université Laval, Québec, Québec, Canada
| | - Tom Benson
- Mitrix Bio Inc., Pleasanton, California, USA
| | - Eric Boilard
- Infectious and Immune Diseases Axis, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, Québec, Québec, Canada
- Centre de Recherche ARThrite - Arthrite, Recherche, Traitements, Université Laval, Québec, Québec, Canada
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Noulsri E, Lerdwana S. Blood Donors with Thalassemic Trait, Glucose-6-Phosphate Dehydrogenase Deficiency Trait, and Sickle Cell Trait and Their Blood Products: Current Status and Future Perspective. Lab Med 2023; 54:6-12. [PMID: 35943550 DOI: 10.1093/labmed/lmac061] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The use of blood products for different medical purposes has increased in recent years. To meet increasing demand, some blood centers allow volunteer donors with thalassemic trait, glucose-6-phosphate dehydrogenase deficiency (G6PD) trait, and sickle cell trait (SCT) to donate blood if their hemoglobin values fall within acceptable ranges and show no signs of hemolysis. Currently, there are no standard guidelines or policies regarding the use or management of blood products obtained from these donors. However, in recent years, there has been advanced research on eligible donors who have these underlying conditions. In this review, we summarize the current knowledge from in vitro and in vivo studies regarding donor characteristics, changes in physical and biochemical parameters in blood products during processing and storage, and posttransfusion efficacy of blood products. In addition, we discuss some unresolved issues concerning blood products from thalassemic trait, G6PD-deficiency trait, and SCT donors.
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Affiliation(s)
- Egarit Noulsri
- Research Division, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Surada Lerdwana
- Biomedical Research Incubator Unit, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Megakaryocyte- and Platelet-Derived Microparticles as Novel Diagnostic and Prognostic Biomarkers for Immune Thrombocytopenia. J Clin Med 2022; 11:jcm11226776. [PMID: 36431253 PMCID: PMC9698595 DOI: 10.3390/jcm11226776] [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: 10/13/2022] [Revised: 11/04/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
Altered cell-derived microparticles (MPs) have been reported in multiple autoimmune diseases. However, the roles of megakaryocyte- and platelet-derived MPs (MKMPs and PMPs) in immune thrombocytopenia (ITP) have not been investigated. In this study, we examined plasma MKMP and PMP levels in patients with ITP and evaluated their potential diagnostic values. Plasma MKMP and PMP levels were analyzed by flow cytometry in a discovery set of ITP patients (n = 78), non-immune thrombocytopenia (TP) patients (n = 69), and age- and gender-matched healthy controls (n = 88). Samples from a therapy set of ITP patients (n = 21) were used to assess the response to thrombopoietin receptor agonist (TPO-RA) treatment. Spearman correlation analysis was performed between MP levels and disease parameters. Receiver operator characteristic (ROC) curves were generated to evaluate the diagnostic values of the MPs. We found that plasma MKMP and PMP levels were significantly lower in ITP patients than those in healthy controls (p values < 0.0001) but higher than in those in TP patients (p < 0.002 and p < 0.0002, respectively). After normalization to platelet counts, PMP/Platelet ratios in ITP patients were higher than those in TP patients and healthy controls (p values < 0.001). PMP/Platelet ratios had a diagnostic value for ITP (area under the curve = 0.808, p < 0.0001) with 73.1% sensitivity and 77.3% specificity. MKMP levels can be used to discriminate ITP from TP with a cut-off value of 112.5 MPs/μL and a sensitivity of 74.4%. Moreover, both MKMP and PMP levels were elevated in ITP patients who responded to TPO-RA treatment. Plasma PMP levels positively correlated with platelet counts in the responders (r = 0.558, p < 0.01). Our results indicate that plasma MKMP and PMP levels are decreased in ITP patients and that plasma MKMP and PMP levels may serve as biomarkers for ITP diagnosis and prediction of TPO-RA treatment response.
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Wang J, Long R, Han Y. The role of exosomes in the tumour microenvironment on macrophage polarisation. Biochim Biophys Acta Rev Cancer 2022; 1877:188811. [DOI: 10.1016/j.bbcan.2022.188811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/15/2022] [Accepted: 09/28/2022] [Indexed: 12/14/2022]
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10
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Goubran H, Ragab G, Seghatchian J, Burnouf T. Blood transfusion in autoimmune rheumatic diseases. Transfus Apher Sci 2022; 61:103596. [DOI: 10.1016/j.transci.2022.103596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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11
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Bhadra A, Scruggs AK, Leavesley SJ, Annamdevula N, George AH, Britain AL, Francis CM, Knighten JM, Rich TC, Bauer NN. Extracellular vesicle-induced cyclic AMP signaling. Cell Signal 2022; 95:110348. [PMID: 35504529 PMCID: PMC10676271 DOI: 10.1016/j.cellsig.2022.110348] [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: 03/07/2022] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 11/25/2022]
Abstract
Second messenger signaling is required for cellular processes. We previously reported that extracellular vesicles (EVs) from stimulated cultured endothelial cells contain the biochemical second messenger, cAMP. In the current study, we sought to determine whether cAMP-enriched EVs induce second messenger signaling pathways in naïve recipient cells. Our results indicate that cAMP-enriched EVs increase cAMP content sufficient to stimulate PKA activity. The implications of our work are that EVs represent a novel intercellular mechanism for second messenger, specifically cAMP, signaling.
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Affiliation(s)
- Aritra Bhadra
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - April K Scruggs
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Silas J Leavesley
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Department of Chemical and Biomolecular Engineering, College of Engineering, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Naga Annamdevula
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - April H George
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Andrea L Britain
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Christopher M Francis
- Department of Physiology and Cell Biology, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Jennifer M Knighten
- Department of Physiology and Cell Biology, University of South Alabama, Mobile, AL, United States of America; Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, Alabama
| | - Thomas C Rich
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Department of Physiology and Cell Biology, University of South Alabama, Mobile, AL, United States of America
| | - Natalie N Bauer
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, United States of America; Department of Physiology and Cell Biology, University of South Alabama, Mobile, AL, United States of America.
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Soukup J, Kostelanská M, Kereïche S, Hujacová A, Pavelcová M, Petrák J, Kubala Havrdová E, Holada K. Flow Cytometry Analysis of Blood Large Extracellular Vesicles in Patients with Multiple Sclerosis Experiencing Relapse of the Disease. J Clin Med 2022; 11:jcm11102832. [PMID: 35628959 PMCID: PMC9145450 DOI: 10.3390/jcm11102832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/11/2022] [Accepted: 05/11/2022] [Indexed: 11/23/2022] Open
Abstract
The number of people living with multiple sclerosis (MS) in developed countries is increasing. The management of patients is hindered by the absence of reliable laboratory tests accurately reflecting the disease activity. Extracellular vesicles (EVs) of different cell origin were reportedly elevated in MS patients. We assessed the diagnostic potential, with flow cytometry analysis, of fresh large EVs (lEVs), which scattered more light than the 590 nm silica beads and were isolated from the blood plasma of relapsing remitting MS patients. Venous blood was collected from 15 patients and 16 healthy controls (HC). The lEVs were isolated from fresh platelet-free plasma by centrifugation, labelled with antibodies and the presence of platelet (CD41+, CD36+), endothelial (CD105+), erythrocyte (CD235a+), leukocyte (CD45+, CD19+, CD3+) and phosphatidylserine (Annexin V+) positive lEVs was analyzed using standard flow cytometry. Cryo-electron microscopy was used to verify the presence of EVs in the analyzed plasma fractions. MS patients experiencing acute relapse had slightly reduced relative levels (% of positive lEVs) of CD105+, CD45+, CD3+, CD45+CD3+ or CD19+ labelled lEVs in comparison to healthy controls. An analysis of other markers or a comparison of absolute lEV counts (count of lEVs/µL) did not yield any significant differences. Our data do not support the hypothesis that the exacerbation of the disease in RRMS patients leads to an increased numbers of circulating plasma lEVs which can be monitored by standard flow cytometry.
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Affiliation(s)
- Jakub Soukup
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic; (J.S.); (M.K.); (A.H.)
- Department of Genetics and Microbiology, Faculty of Science, Charles University, 128 44 Prague, Czech Republic
| | - Marie Kostelanská
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic; (J.S.); (M.K.); (A.H.)
| | - Sami Kereïche
- Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic;
| | - Andrea Hujacová
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic; (J.S.); (M.K.); (A.H.)
| | - Miluše Pavelcová
- Department of Neurology and Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, 128 21 Prague, Czech Republic; (M.P.); (E.K.H.)
| | - Jiří Petrák
- BIOCEV, First Faculty of Medicine, Charles University, 252 50 Vestec, Czech Republic;
| | - Eva Kubala Havrdová
- Department of Neurology and Clinical Neuroscience, First Faculty of Medicine, Charles University and General University Hospital, 128 21 Prague, Czech Republic; (M.P.); (E.K.H.)
| | - Karel Holada
- Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic; (J.S.); (M.K.); (A.H.)
- Correspondence:
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13
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Abstract
Platelets are at the crossroads between thrombosis and inflammation. When activated, platelets can shed bioactive extracellular vesicles [pEVs] that share the hemostatic potential of their parent cells and act as bioactive shuttles of their granular contents. In a viral infection, platelets are activated, and pEVs are generated with occasional virion integration. Both platelets and pEVs are engaged in a bidirectional interaction with neutrophils and other cells of the immune system and the hemostatic pathways. Severe COVID-19 infection is characterized by a stormy thromboinflammatory response with platelets and their EVs at the center stage of this reaction. This review sheds light on the interactions of platelets, pEVS and SARS-CoV-2 infection and prognostic and potential therapeutic role of pEVs. The review also describes the role of pEVs in the rare adenovirus-based COVID-19 vaccine-induced thrombosis thrombocytopenia.
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14
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Ozonation of Whole Blood Results in an Increased Release of Microparticles from Blood Cells. Biomolecules 2022; 12:biom12020164. [PMID: 35204669 PMCID: PMC8961535 DOI: 10.3390/biom12020164] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/10/2022] [Accepted: 01/18/2022] [Indexed: 12/11/2022] Open
Abstract
Autohemotherapy with ozonated blood is used in the treatment of a broad spectrum of clinical disorders. Ozone demonstrates strong oxidizing properties and causes damage to cell membranes. The impact of whole-blood ozonation on the release of microparticles from blood and endothelial cells and the concentration of selected markers in the hemostatic system (APTT, PT, D-dimer, fibrinogen) were investigated. Venous blood, obtained from 19 healthy men, was split into four equal parts and treated with air, 15 µg/mL ozone, or 30 µg/mL ozone, or left untreated. The number and types of microparticles released were determined using flow cytometry on the basis of surface antigen expression: erythrocyte-derived microparticles (CD235+), platelet-derived microparticles (CD42+), leukocyte-derived microparticles (CD45+), and endothelial-derived microparticles (CD144+). The study is the first to demonstrate that ozone induces a statistically significant increase in the number of microparticles derived from blood and endothelial cells. Although statistically significant, the changes in some coagulation factors were somewhat mild and did not exceed normal values.
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15
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Desai CS, Khan A, Bellio MA, Willis ML, Mahung C, Ma X, Baldwin X, Williams BM, Baron TH, Coleman LG, Wallet SM, Maile R. Characterization of extracellular vesicle miRNA identified in peripheral blood of chronic pancreatitis patients. Mol Cell Biochem 2021; 476:4331-4341. [PMID: 34448998 DOI: 10.1007/s11010-021-04248-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 08/17/2021] [Indexed: 11/29/2022]
Abstract
Plasma-derived extracellular vesicles (EV) can serve as markers of cell damage/disease but can also have therapeutic utility depending on the nature of their cargo, such as miRNA. Currently, there are challenges and lack of innovations regarding early diagnosis and therapeutic options within different aspects of management of patients suffering from chronic pancreatitis (CP). Use of EV as biomarkers for pancreatic health and/or as adjuvant therapy would make a difference in management of these patients. The aim of this study was to characterize the miRNA cargo of EV purified from the plasma of CP patients and compared to those of healthy participants. EVs were isolated from plasma of 15 CP patients and 10 healthy controls. Nanoparticle tracking analysis was used to determine frequency and size, while NanoString technology was used to characterize the miRNA cargo. Relevant clinical parameters were correlated with EV miRNA cargo. ~ 30 miRNA species were identified to have significantly (p < 0.05) different expression in EV from individuals with CP compared to healthy individuals; ~ 40 miRNA were differentially expressed in EV from pre-diabetic versus non-diabetic CP patients. miR-579-3p, while exhibiting significantly lower (~ 16-fold) expression in CP compared to healthy and lower (~ 24-fold) in CP narcotic users compared to the non-users, is actually enriched (~ 32-fold) within EV in pre-diabetic CP patients compared to non-diabetic CP patients. A unique pattern was identified in female CP patients. These data support the prospect of using a plasma-derived EV cargo to assess pancreatic health and its therapeutic potential in CP patients.
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Affiliation(s)
- Chirag S Desai
- Division of Abdominal Transplant, Department of Surgery, University of North Carolina at Chapel Hill, 4021 Burnett-Womack, CB 7211, Chapel Hill, NC, 27599, USA.
| | - Aisha Khan
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Michael A Bellio
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Micah L Willis
- Division of Burn, Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Curriculum of Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Cressida Mahung
- Division of Burn, Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Xiaobo Ma
- Division of Abdominal Transplant, Department of Surgery, University of North Carolina at Chapel Hill, 4021 Burnett-Womack, CB 7211, Chapel Hill, NC, 27599, USA
| | - Xavier Baldwin
- Division of Abdominal Transplant, Department of Surgery, University of North Carolina at Chapel Hill, 4021 Burnett-Womack, CB 7211, Chapel Hill, NC, 27599, USA
| | - Brittney M Williams
- Division of Abdominal Transplant, Department of Surgery, University of North Carolina at Chapel Hill, 4021 Burnett-Womack, CB 7211, Chapel Hill, NC, 27599, USA
| | - Todd H Baron
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Leon G Coleman
- Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Shannon M Wallet
- Division of Oral and Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Robert Maile
- Division of Burn, Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Curriculum of Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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16
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Assessment of apheresis platelets during 5 days of storage: A National Cancer Institute, Cairo University experience. Transfus Apher Sci 2021; 61:103327. [PMID: 34876357 DOI: 10.1016/j.transci.2021.103327] [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: 08/24/2021] [Revised: 10/31/2021] [Accepted: 11/22/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND Platelet transfusion therapy is widely used to prevent hemorrhage in patients with thrombocytopenia and platelet disorders. The platelet concentrate (PC) quality is affected by increased storage time, as reflected in the decreased number of platelets, morphological changes, and impaired functions. This study aimed to analyze the impact of 5 days storage on platelets count and the expression of CD63, and Annexin V as activation markers during PC storage. METHODS Fifty PCs collected from single donors were tested for platelet count on days 0, 3, and 5 using a Sysmex blood counter. CD61, CD63, and Annexin V expression was analyzed by a multicolor Navios flow cytometer. RESULTS There was a significant decrease in platelet count during 5 days of storage. There was a direct relationship between storage time and degree of platelet activation. CD63 had almost double increased expression on day 5 than day 3. Annexin V showed significantly increased expression on day 3 with minor differences between days 3 and 5. CONCLUSION According to standard blood bank conditions, PC stored for 5 days showed a degree of in vitro activation as evidenced by CD63 and Annexin V expression, may lead to reduced therapeutic efficacy. Flow cytometry monitoring platelet activation in PC offers a better understanding of the changes during PC storage and may help improve platelet products.
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17
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Leung J, Cau MF, Kastrup CJ. Emerging gene therapies for enhancing the hemostatic potential of platelets. Transfusion 2021; 61 Suppl 1:S275-S285. [PMID: 34269451 DOI: 10.1111/trf.16519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 03/08/2021] [Accepted: 03/12/2021] [Indexed: 01/03/2023]
Abstract
Platelet transfusions are an integral component of balanced hemostatic resuscitation protocols used to manage severe hemorrhage following trauma. Enhancing the hemostatic potential of platelets could lead to further increases in the efficacy of transfusions, particularly for non-compressible torso hemorrhage or severe hemorrhage with coagulopathy, by decreasing blood loss and improving overall patient outcomes. Advances in gene therapies, including RNA therapies, are leading to new strategies to enhance platelets for better control of hemorrhage. This review will highlight three approaches for creating modified platelets using gene therapies: (i) direct transfection of transfusable platelets ex vivo, (ii) in vitro production of engineered platelets from platelet-precursor cells, and (iii) modifying the bone marrow for in vivo production of modified platelets. In summary, modifying platelets to enhance their hemostatic potential is an exciting new frontier in transfusion medicine, but more preclinical development as well as studies testing the safety and efficacy of these agents are needed.
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Affiliation(s)
- Jerry Leung
- Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Massimo F Cau
- Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada.,School of Biomedical Engineering, University of British Columbia, Vancouver, British Columbia, Canada
| | - Christian J Kastrup
- Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada
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18
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Willis ML, Mahung C, Wallet SM, Barnett A, Cairns BA, Coleman LG, Maile R. Plasma extracellular vesicles released after severe burn injury modulate macrophage phenotype and function. J Leukoc Biol 2021; 111:33-49. [PMID: 34342045 DOI: 10.1002/jlb.3mia0321-150rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Extracellular vesicles (EVs) have emerged as key regulators of immune function across multiple diseases. Severe burn injury is a devastating trauma with significant immune dysfunction that results in an ∼12% mortality rate due to sepsis-induced organ failure, pneumonia, and other infections. Severe burn causes a biphasic immune response: an early (0-72 h) hyper-inflammatory state, with release of damage-associated molecular pattern molecules, such as high-mobility group protein 1 (HMGB1), and proinflammatory cytokines (e.g., IL-1β), followed by an immunosuppressive state (1-2+ wk post injury), associated with increased susceptibility to life-threatening infections. We have reported that early after severe burn injury HMGB1 and IL-1β are enriched in plasma EVs. Here we tested the impact of EVs isolated after burn injury on phenotypic and functional consequences in vivo and in vitro using adoptive transfers of EV. EVs isolated early from mice that underwent a 20% total body surface area burn injury (burn EVs) caused similar hallmark cytokine responses in naïve mice to those seen in burned mice. Burn EVs transferred to RAW264.7 macrophages caused similar functional (i.e., cytokine secretion) and immune gene expression changes seen with their associated phase of post-burn immune dysfunction. Burn EVs isolated early (24 h) induced MCP-1, IL-12p70, and IFNγ, whereas EVs isolated later blunted RAW proinflammatory responses to bacterial endotoxin (LPS). We also describe significantly increased HMGB1 cargo in burn EVs purified days 1 to 7 after injury. Thus, burn EVs cause immune outcomes in naïve mice and macrophages similar to findings after severe burn injury, suggesting EVs promote post-burn immune dysfunction.
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Affiliation(s)
- Micah L Willis
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Cressida Mahung
- North Carolina Jaycee Burn Center Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Shannon M Wallet
- Adams School of Dentistry, Division of Oral and Craniofacial Health Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Alexandra Barnett
- Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Bruce A Cairns
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,North Carolina Jaycee Burn Center Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Leon G Coleman
- Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Robert Maile
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,North Carolina Jaycee Burn Center Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.,Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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19
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Platelet EVs contain an active proteasome involved in protein processing for antigen presentation via MHC-I molecules. Blood 2021; 138:2607-2620. [PMID: 34293122 DOI: 10.1182/blood.2020009957] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 07/12/2021] [Indexed: 11/20/2022] Open
Abstract
In addition to their hemostatic role, platelets play a significant role in immunity. Once activated, platelets release extracellular vesicles (EVs) formed by budding of their cytoplasmic membranes. Because of their heterogeneity, platelet EVs (PEVs) are thought to perform diverse functions. It is unknown, however, whether the proteasome is transferred from platelets to PEVs or whether its function is retained. We hypothesized that functional protein processing and antigen presentation machinery is transferred to PEVs by activated platelets. Using molecular and functional assays, we show that the active 20S proteasome is enriched in PEVs along with MHC-I and lymphocyte costimulatory molecules (CD40L and OX40L). Proteasome-containing PEVs were identified in healthy donor blood, but did not increase in platelet concentrates that caused adverse transfusion reactions. They were, however, augmented after immune complex injections in mice. The complete biodistribution of murine PEVs following injection into mice revealed that they could principally reach lymphoid organs such as spleen and lymph nodes, in addition to the bone marrow, and to a lesser extent liver and lungs. The PEV proteasome processed exogenous ovalbumin (OVA) and loaded its antigenic peptide onto MHC-I molecules which promoted OVA-specific CD8+ T lymphocyte proliferation. These results suggest that PEVs contribute to adaptive immunity through cross-presentation of antigens and have privileged access to immune cells through the lymphatic system, a tissue location that is inaccessible to platelets.
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20
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Amiral J. Extra cellular vesicles in blood circulation as biomarkers and messengers of patho-hysiological activity and alterations. Transfus Apher Sci 2021; 60:103209. [PMID: 34244081 DOI: 10.1016/j.transci.2021.103209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
There is an increasing interest in Extracellular Vesicles released by many cells through membrane shedding. In addition to cell signaling, these particles are true messenger cargos, which can carry cell surface proteins, miRNAs and non-coding RNAs to other and distant cells. They are part of the inter-cellular crosstalk and they contribute to transferring biological messages far away from the triggering event. EVs are biomarkers of many diseases, including thrombo-embolic pathology, infections, neurological or metabolic disorders, and malignancy. Their role and significance are presented and discussed in this short review, as consequences of disease and causes of its progression. But they can also be beneficial for tissue healing or repair, and they can be prepared in vitro to be used for cell- targeted treatments. Many identification and measurement methods for EV's are sophisticated, which restricts their use to research studies, but they have, nevertheless, a high laboratory potential for diagnosis, prognosis and evolution as follow-up of many pathologies. New emerging laboratory tools offer more friendly and easy applications for characterizing EVs and testing their associated activity, especially for the procoagulant ones.
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Affiliation(s)
- Jean Amiral
- SH/Scientific-Hemostasis, Scientific Director and Consultant in Hemostasis and Thrombosis Diagnostics, Franconville, France.
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21
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Kong Y, Tian X, He R, Li C, Xu H, Tian L, Liu Z. The accumulation of exosome-associated microRNA-1246 and microRNA-150-3p in human red blood cell suspensions. J Transl Med 2021; 19:225. [PMID: 34044888 PMCID: PMC8157439 DOI: 10.1186/s12967-021-02887-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 05/17/2021] [Indexed: 02/08/2023] Open
Abstract
Background Transfusion-related immunomodulation (TRIM) can be caused by exosomes, in which case, microRNAs (miRNAs) are one critical factor impacting exosome behavior. This study aims to investigate and analyze the expression profiles of exosomal miRNA in red blood cell (RBC) suspensions during storage and to identify potential TRIM-related miRNAs as well as their potential functions. Methods A total of 25 packs of RBC suspensions were randomly collected. Exosome were extracted by ultracentrifugation and then identified and characterized by nanoparticle tracking analysis (NTA), transmission electron microscopy (TEM) and western blot (WB). Exosomal miRNA profiles were acquired using gene chips in five packs on week 1 and week 5. The expression data were compared from the two time points identifying accumulated miRNAs with statistical significance and their predicted targeting genes were analyzed. Based on the gene chip results, quantitative reverse transcription-polymerase chain reactions (qRT-PCR) were performed to verify miRNA accumulation in the rest 20 packs sampling on week 1, 3 and 5. Results Gene chip analysis revealed that most exosomal miRNAs were enriched as the storage period progressed. Compared to samples from week 1, week 5 samples exhibited a total of 539 differential miRNA expressions, among which, 159 were statistically significant (P < 0.05) and 148 (93.08%) were accumulated. In the bioinformatics functional analysis, significant immunoregulatory annotations related to the thyroid hormone, mitogen-activated protein kinase (MAPK), focal adhesion and RAS signaling pathways were identified. The top 17 differential expression miRNAs were validated by qRT-PCR. The results confirmed that all the 17 miRNAs were accumulated with increasing storage time. In particular, miRNA-1246 and miRNA-150-3p were the most enriched strands by more than 150-folds in the 5-week storage period. Conclusions As storage progressed, numerous exosomal miRNAs accumulated in the RBC suspensions, which are informatically connected to multiple immuno-signaling pathways. MiRNA-1246 and miRNA-150-3p may be essential mediators impacting the immunoregulation functions of exosomes in RBC suspensions, considering their significant accumulating scales. Further research should therefore focus on the relationship between these miRNAs and TRIM. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-021-02887-2.
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Affiliation(s)
- Yujie Kong
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China
| | - Xue Tian
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China
| | - Rui He
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China
| | - Chenyue Li
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China
| | - Haixia Xu
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China
| | - Li Tian
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China. .,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.
| | - Zhong Liu
- Clinical Transfusion Research Center, Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China. .,Key Laboratory of Transfusion Adverse Reactions, CAMS, 26 Huacai Rd, Longtan Industry Zone, Chenghua District, Chengdu, 610052, Sichuan Province, People's Republic of China.
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22
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Processing methods and storage duration impact extracellular vesicle counts in red blood cell units. Blood Adv 2021; 4:5527-5539. [PMID: 33166402 DOI: 10.1182/bloodadvances.2020001658] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 08/24/2020] [Indexed: 12/14/2022] Open
Abstract
Extracellular vesicles (EVs) are active components of red blood cell (RBC) concentrates and may be associated with beneficial and adverse effects of transfusion. Elucidating controllable factors associated with EV release in RBC products is thus important to better manage the quality and properties of RBC units. Erythrocyte-derived EVs (EEVs) and platelet-derived EVs (PEVs) were counted in 1226 RBC units (administered to 280 patients) using a standardized cytometry-based method. EV size and CD47 and annexin V expression were also measured. The effects of donor characteristics, processing methods, and storage duration on EV counts were analyzed by using standard comparison tests, and analysis of covariance was used to determine factors independently associated with EV counts. PEV as well as EEV counts were higher in whole-blood-filtered RBC units compared with RBC-filtered units; PEV counts were associated with filter type (higher with filters associated with higher residual platelets), and CD47 expression was higher on EEVs in RBC units stored longer. Multivariate analysis showed that EEV counts were strongly associated with filter type (P < .0001), preparation, and storage time (+25.4 EEV/µL per day [P = .01] and +42.4 EEV/µL per day [P < .0001], respectively). The only independent factor associated with PEV counts was the residual platelet count in the unit (+67.1 PEV/µL; P < .0001). Overall, processing methods have an impact on EV counts and characteristics, leading to large variations in EV quantities transfused into patients. RBC unit processing methods might be standardized to control the EV content of RBC units if any impacts on patient outcomes can be confirmed. The IMIB (Impact of Microparticles in Blood) study is ancillary to the French ABLE (Age of Transfused Blood in Critically Ill Adults) trial (ISRCTN44878718).
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23
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Wang J, Zhou P, Han Y, Zhang H. Platelet transfusion for cancer secondary thrombocytopenia: Platelet and cancer cell interaction. Transl Oncol 2021; 14:101022. [PMID: 33545547 PMCID: PMC7868729 DOI: 10.1016/j.tranon.2021.101022] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 01/14/2023] Open
Abstract
Chemoradiotherapy and autoimmune disorder often lead to secondary thrombocytopenia in cancer patients, and thus, platelet transfusion is needed to stop or prevent bleeding. However, the effect of platelet transfusion remains controversial for the lack of agreement on transfusion strategies. Before being transfused, platelets are stored in blood banks, and their activation is usually stimulated. Increasing evidence shows activated platelets may promote metastasis and the proliferation of cancer cells, while cancer cells also induce platelet activation. Such a vicious cycle of interaction between activated platelets and cancer cells is harmful for the prognosis of cancer patients, which results in an increased tumor recurrence rate and decreased five-year survival rate. Therefore, it is important to explore platelet transfusion strategies, summarize mechanisms of interaction between platelets and tumor cells, and carefully evaluate the pros and cons of platelet transfusion for better treatment and prognosis for patients with cancer with secondary thrombocytopenia.
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Affiliation(s)
- Juan Wang
- Class 2016 Clinical Medicine, Southwest Medical University, Luzhou 646000, Sichuan, China
| | - Pan Zhou
- Department of Laboratory Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China
| | - Yunwei Han
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China.
| | - Hongwei Zhang
- Department of Blood Transfusion, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China.
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Cognasse F, Hally K, Fauteux-Daniel S, Eyraud MA, Arthaud CA, Fagan J, Mismetti P, Hamzeh-Cognasse H, Laradi S, Garraud O, Larsen P. Effects and Side Effects of Platelet Transfusion. Hamostaseologie 2021; 41:128-135. [PMID: 33711849 DOI: 10.1055/a-1347-6551] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Aside from their canonical role in hemostasis, it is increasingly recognized that platelets have inflammatory functions and can regulate both adaptive and innate immune responses. The main topic this review aims to cover is the proinflammatory effects and side effects of platelet transfusion. Platelets prepared for transfusion are subject to stress injury upon collection, preparation, and storage. With these types of stress, they undergo morphologic, metabolic, and functional modulations which are likely to induce platelet activation and the release of biological response modifiers (BRMs). As a consequence, platelet concentrates (PCs) accumulate BRMs during processing and storage, and these BRMs are ultimately transfused alongside platelets. It has been shown that BRMs present in PCs can induce immune responses and posttransfusion reactions in the transfusion recipient. Several recent reports within the transfusion literature have investigated the concept of platelets as immune cells. Nevertheless, current and future investigations will face the challenge of encompassing the immunological role of platelets in the scope of transfusion.
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Affiliation(s)
- Fabrice Cognasse
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Kathryn Hally
- Department of Surgery and Anaesthesia, University of Otago, Wellington, New Zealand.,Wellington Cardiovascular Research Group, Wellington, New Zealand.,School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Sebastien Fauteux-Daniel
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Marie-Ange Eyraud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Charles-Antoine Arthaud
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Jocelyne Fagan
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Patrick Mismetti
- SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Hind Hamzeh-Cognasse
- SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Sandrine Laradi
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Olivier Garraud
- SAINBIOSE, INSERM U1059, University of Lyon, Université Jean-Monnet-Saint-Etienne, France, France
| | - Peter Larsen
- Department of Surgery and Anaesthesia, University of Otago, Wellington, New Zealand.,Wellington Cardiovascular Research Group, Wellington, New Zealand.,School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
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25
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Avenick D, Kidd L, Istvan S, Dong F, Richter K, Edwards N, Hisada Y, Posma JJN, Massih CA, Mackman N. Effects of storage and leukocyte reduction on the concentration and procoagulant activity of extracellular vesicles in canine packed red cells. J Vet Emerg Crit Care (San Antonio) 2021; 31:221-230. [PMID: 33751799 DOI: 10.1111/vec.13050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 06/01/2019] [Accepted: 06/24/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To characterize the size and procoagulant activity of extracellular vesicles (EV) that accumulate in canine packed red blood cells (pRBCs) over time and the effect of leukocyte reduction on these characteristics. DESIGN Prospective cohort study. SETTING Private small animal specialty referral hospital and university research laboratories. ANIMALS Ten healthy blood donor dogs. INTERVENTIONS Five pRBCs units were obtained according to standard protocols, and 5 were leukocyte-reduced prior to processing. Platelet-free supernatant from the pRBC units was collected on days 0, 10, 20, 32, and 42. MEASUREMENTS AND MAIN RESULTS Nanoparticle tracking analysis was performed to determine the size and concentration of EVs. Thrombin generation associated with phosphatidylserine-positive EVs was determined using a capture assay. Factor Xa generation associated with phosphatidylserine-positive EVs and tissue factor-positive EVs was measured in a subset of EVs isolated by centrifugation of the supernatant at 20,000 × g. R package nparLD and the Mann-Whitney U-test were used to determine the effect of duration of storage and the effect of leukocyte reduction, respectively. Small (mean < 125 nm) procoagulant EVs accumulated over time, with significant increases occurring on or after day 20 in both non-leukocyte reduced and leukocyte-reduced units. The procoagulant activity of the EVs was due to phosphatidylserine, not tissue factor. Increases in EV concentration and procoagulant activity occurred earlier in non-leukocyte reduced units. Extracellular vesicle accumulation and procoagulant activity were not decreased at any individual time point by leukocyte reduction. CONCLUSIONS Further studies characterizing and determining the clinical relevance of small procoagulant EVs in pRBCs are warranted.
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Affiliation(s)
| | - Linda Kidd
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, California
| | | | - Fanglong Dong
- Graduate College of Biomedical Sciences, Western University of Health Sciences, Pomona, California
| | - Keith Richter
- Veterinary Specialty Hospital, San Diego, California
| | | | - Yohei Hisada
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Jens J N Posma
- Departments of Internal Medicine and Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Cherein Abdel Massih
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, California
| | - Nigel Mackman
- Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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26
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Schubert P, Culibrk L, Culibrk B, Conway EM, Goodrich RP, Devine DV. Releasates of riboflavin/UV-treated platelets: Microvesicles suppress cytokine-mediated endothelial cell migration/proliferation. Transfusion 2021; 61:1551-1561. [PMID: 33629371 DOI: 10.1111/trf.16337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 01/09/2021] [Accepted: 02/04/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Accelerated development of the platelet (PLT) storage lesion upon pathogen inactivation (PI) is associated with the release of proteins from granules and platelet microvesicles (PMVs). Whether PI treatments alter the interaction between PLT factors and the vessel endothelium is of interest in understanding the risk profile of these technologies. STUDY DESIGN AND METHODS In a pool-and-split study, one platelet concentrate (PC) was treated with riboflavin/UV (RF/UV) light, while the other one was kept as an untreated control. Releasates and PMV-depleted releasates were prepared by differential centrifugation steps on days 0, 1, 5, and 7 of storage. Cytokine/chemokine release following PI treatment was analyzed by an antibody array, and results were verified by the enzyme-linked immunosorbent assay. PMVs were enumerated by CD41 labeling and flow cytometry. Wound scratch assays were performed using cultured Ea.hy926 cells exposed to the differently prepared releasates. Effects of releasates on the phosphorylation levels of kinases ERK and p38 expressed by endothelial cells were analyzed by immunoblot. RESULTS Cytokine/chemokine assays identified a 2-fold increase in epidermal growth factor released from PCs treated with RF/UV light compared with control. PMV count increased ~100-fold following PI treatment. Unmodified releasates and PMV-depleted releasates displayed different contributions to the kinetics of endothelial cell wound closure. This observation was associated with an increased ERK versus unaltered p38 activation in the endothelial cells. CONCLUSION This study identified an inhibitory impact of PMVs on endothelial cell migration/proliferation upon stimulation by released cytokines and PMVs from PLTs treated with RF/UV light for endothelial cell wound closure.
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Affiliation(s)
- Peter Schubert
- Centre for Innovation, Canadian Blood Services, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Luka Culibrk
- Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada
| | - Brankica Culibrk
- Centre for Innovation, Canadian Blood Services, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada
| | - Edward M Conway
- Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada.,Departement of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Raymond P Goodrich
- Infectious Disease Research Center, Colorado State University, Fort Collins, Colorado, USA
| | - Dana V Devine
- Centre for Innovation, Canadian Blood Services, University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
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27
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Millar D, Hayes C, Jones J, Klapper E, Kniep JN, Luu HS, Noland DK, Petitti L, Poisson JL, Spaepen E, Ye Z, Maurer-Spurej E. Comparison of the platelet activation status of single-donor platelets obtained with two different cell separator technologies. Transfusion 2020; 60:2067-2078. [PMID: 32729161 DOI: 10.1111/trf.15934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 05/06/2020] [Accepted: 05/24/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The microparticle content (MP%) of apheresis platelets-a marker of platelet activation-is influenced by donor factors and by external stressors during collection and storage. This study assessed the impact of apheresis technology and other factors on the activation status (MP%) of single-donor apheresis platelets. STUDY DESIGN AND METHODS Data from six US hospitals that screened platelets by measuring MP% through dynamic light scattering (ThromboLUX) were retrospectively analyzed. Relative risks (RRs) were derived from univariate and multivariable regression models, with activation rate (MP% ≥15% for plasma-stored platelets; ≥10% for platelet additive solution [PAS]-stored platelets) and MP% as outcomes. Apheresis platform (Trima Accel vs Amicus), storage medium (plasma vs PAS), pathogen reduction, storage time, and testing location were used as predictors. RESULTS Data were obtained from 7511 platelet units collected using Trima (from 16 suppliers, all stored in plasma, 20.0% were pathogen-reduced) and 2456 collected using Amicus (from four different collection facilities of one supplier, 65.0% plasma-stored, 35.0% PAS-stored, none pathogen-reduced). Overall, 30.0% of Trima platelets were activated compared to 45.6% of Amicus platelets (P < .0001). Multivariable analysis identified apheresis platform as significantly associated with platelet activation, with a lower activation rate for Trima than Amicus (RR: 0.641, 95% confidence interval [CI]: 0.578; 0.711, P < .0001) and a 6.901% (95% CI: 5.926; 7.876, P < .0001) absolute reduction in MP%, when adjusting for the other variables. CONCLUSION Trima-collected platelets were significantly less likely to be activated than Amicus-collected platelets, irrespective of the storage medium, the use of pathogen reduction, storage time, and testing site.
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Affiliation(s)
- Daniel Millar
- Department of Integrated Engineering, University of British Columbia and MistyWest Research and Engineering Lab, Vancouver, British Columbia, Canada
| | - Chelsea Hayes
- Department of Pathology, Division of Transfusion Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Jessica Jones
- Department of Pathology & Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Ellen Klapper
- Department of Pathology, Division of Transfusion Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Joel N Kniep
- Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Hung S Luu
- Department of Pathology, University of Texas Southwestern Medical Center and Children's Health, Dallas, Texas, USA
| | - Daniel K Noland
- Department of Pathology, University of Texas Southwestern Medical Center and Children's Health, Dallas, Texas, USA
| | | | | | | | - Zhan Ye
- Department of Pathology & Laboratory Medicine, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Elisabeth Maurer-Spurej
- Department of Pathology and Laboratory Medicine and Centre for Blood Research and Canadian Blood Services, University of British Columbia, Vancouver, British Columbia, Canada
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28
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Yasui K, Matsuyama N, Takihara Y, Hirayama F. New insights into allergic transfusion reactions and their causal relationships, pathogenesis, and prevention. Transfusion 2020; 60:1590-1601. [DOI: 10.1111/trf.15845] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/22/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Kazuta Yasui
- Japanese Red Cross Kinki Block Blood Center Ibaraki Osaka Japan
| | | | | | - Fumiya Hirayama
- Japanese Red Cross Kinki Block Blood Center Ibaraki Osaka Japan
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29
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Noubouossie DF, Henderson MW, Mooberry M, Ilich A, Ellsworth P, Piegore M, Skinner SC, Pawlinski R, Welsby I, Renné T, Hoffman M, Monroe DM, Key NS. Red blood cell microvesicles activate the contact system, leading to factor IX activation via 2 independent pathways. Blood 2020; 135:755-765. [PMID: 31971571 PMCID: PMC7059516 DOI: 10.1182/blood.2019001643] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 01/08/2020] [Indexed: 01/01/2023] Open
Abstract
Storage lesion-induced, red cell-derived microvesicles (RBC-MVs) propagate coagulation by supporting the assembly of the prothrombinase complex. It has also been reported that RBC-MVs initiate coagulation via the intrinsic pathway. To elucidate the mechanism(s) of RBC-MV-induced coagulation activation, the ability of storage lesion-induced RBC-MVs to activate each zymogen of the intrinsic pathway was assessed in a buffer system. Simultaneously, the thrombin generation (TG) assay was used to assess their ability to initiate coagulation in plasma. RBC-MVs directly activated factor XII (FXII) or prekallikrein, but not FXI or FIX. RBC-MVs initiated TG in normal pooled plasma and in FXII- or FXI-deficient plasma, but not in FIX-deficient plasma, suggesting an alternate pathway that bypasses both FXII and FXI. Interestingly, RBC-MVs generated FIXa in a prekallikrein-dependent manner. Similarly, purified kallikrein activated FIX in buffer and initiated TG in normal pooled plasma, as well as FXII- or FXI-deficient plasma, but not FIX-deficient plasma. Dual inhibition of FXIIa by corn trypsin inhibitor and kallikrein by soybean trypsin inhibitor was necessary for abolishing RBC-MV-induced TG in normal pooled plasma, whereas kallikrein inhibition alone was sufficient to abolish TG in FXII- or FXI-deficient plasma. Heating RBC-MVs at 60°C for 15 minutes or pretreatment with trypsin abolished TG, suggesting the presence of MV-associated proteins that are essential for contact activation. In summary, RBC-MVs activate both FXII and prekallikrein, leading to FIX activation by 2 independent pathways: the classic FXIIa-FXI-FIX pathway and direct kallikrein activation of FIX. These data suggest novel mechanisms by which RBC transfusion mediates inflammatory and/or thrombotic outcomes.
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Affiliation(s)
| | - Michael W Henderson
- UNC Blood Research Center, and
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | | | - Anton Ilich
- Department of Medicine
- UNC Blood Research Center, and
| | - Patrick Ellsworth
- Department of Medicine
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Mark Piegore
- Department of Medicine
- UNC Blood Research Center, and
| | - Sarah C Skinner
- Department of Medicine
- UNC Blood Research Center, and
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | | | - Ian Welsby
- Department of Anesthesiology, Duke University, Durham, NC
| | - Thomas Renné
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; and
| | - Maureane Hoffman
- Department of Pathology, Veteran Affairs Medical Center, Durham, NC
| | | | - Nigel S Key
- Department of Medicine
- UNC Blood Research Center, and
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
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30
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Visser MJ, Pretorius E. Atomic Force Microscopy: The Characterisation of Amyloid Protein Structure in Pathology. Curr Top Med Chem 2020; 19:2958-2973. [DOI: 10.2174/1568026619666191121143240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/24/2019] [Accepted: 09/27/2019] [Indexed: 12/28/2022]
Abstract
:
Proteins are versatile macromolecules that perform a variety of functions and participate in
virtually all cellular processes. The functionality of a protein greatly depends on its structure and alterations
may result in the development of diseases. Most well-known of these are protein misfolding disorders,
which include Alzheimer’s and Parkinson’s diseases as well as type 2 diabetes mellitus, where
soluble proteins transition into insoluble amyloid fibrils. Atomic Force Microscopy (AFM) is capable of
providing a topographical map of the protein and/or its aggregates, as well as probing the nanomechanical
properties of a sample. Moreover, AFM requires relatively simple sample preparation, which presents
the possibility of combining this technique with other research modalities, such as confocal laser
scanning microscopy, Raman spectroscopy and stimulated emission depletion microscopy. In this review,
the basic principles of AFM are discussed, followed by a brief overview of how it has been applied
in biological research. Finally, we focus specifically on its use as a characterisation method to
study protein structure at the nanoscale in pathophysiological conditions, considering both molecules
implicated in disease pathogenesis and the plasma protein fibrinogen. In conclusion, AFM is a userfriendly
tool that supplies multi-parametric data, rendering it a most valuable technique.
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Affiliation(s)
- Maria J.E. Visser
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1 Matieland, 7602, South Africa
| | - Etheresia Pretorius
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1 Matieland, 7602, South Africa
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31
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Kaphan E, Laurin D, Lafeuillade B, Drillat P, Park S. Impact of transfusion on survival in patients with myelodysplastic syndromes: Current knowledge, new insights and transfusion clinical practice. Blood Rev 2019; 41:100649. [PMID: 31918886 DOI: 10.1016/j.blre.2019.100649] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/25/2019] [Accepted: 12/05/2019] [Indexed: 02/01/2023]
Abstract
Red Blood Cell (RBC) transfusion dependence is a prevalent consequence of anaemia in patients with lower risk Myelodysplastic Syndromes (MDS). These patients have shorter survival compared to patients responding to Erythropoiesis-stimulating agents (ESA), raising the question of potential negative effects of chronic RBC transfusions on MDS prognosis, independently of IPSS-R. Besides commonly identified complications of transfusions like iron toxicity or cardiac events, oxidative stress could be a risk factor for ineffective haematopoiesis. Recently, physicochemical changes of RBC during storage have been described. These changes called storage lesions could play a role in immunomodulation in vivo. We review the currently identified sources of potential impact on transfusion-associated effects in MDS patients and we discuss the unexplored potential role of erythrocyte-derived-extracellular vesicles. They could amplify impairment of haematopoiesis in addition to the negative intrinsic effects underlying the pathology in MDS. Thus, chronic RBC transfusions appear to potentially impact the outcome of MDS.
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Affiliation(s)
- Eléonore Kaphan
- Service d'Hématologie, CHU de Grenoble, CS 10 217, Grenoble Cedex 09 38043, France.
| | - David Laurin
- Département scientifique, Etablissement Français du Sang Auvergne Rhône-Alpes, La Tronche, France; Institute for Advanced Biosciences, Equipe Pathologie Moléculaire des Cancers et Biomarqueurs, Université Grenoble Alpes, INSERM U1209 & CNRS UMR 5309, France
| | - Bruno Lafeuillade
- Service d'Hématologie, CHU de Grenoble, CS 10 217, Grenoble Cedex 09 38043, France
| | - Philippe Drillat
- Service d'Hématologie, CHU de Grenoble, CS 10 217, Grenoble Cedex 09 38043, France; Département scientifique, Etablissement Français du Sang Auvergne Rhône-Alpes, La Tronche, France
| | - Sophie Park
- Service d'Hématologie, CHU de Grenoble, CS 10 217, Grenoble Cedex 09 38043, France; Institute for Advanced Biosciences, Equipe Pathologie Moléculaire des Cancers et Biomarqueurs, Université Grenoble Alpes, INSERM U1209 & CNRS UMR 5309, France.
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32
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Algarni A, Greenman J, Madden LA. Procoagulant tumor microvesicles attach to endothelial cells on biochips under microfluidic flow. BIOMICROFLUIDICS 2019; 13:064124. [PMID: 31832122 PMCID: PMC6897561 DOI: 10.1063/1.5123462] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 11/22/2019] [Indexed: 05/11/2023]
Abstract
Tumor patients are at a high risk of venous thromboembolism (VTE), and the mechanism by which this occurs may involve tumor-derived microvesicles (MVs). Previously, it has been shown that tumor MVs become attached to endothelial cells in static conditions. To investigate whether this process occurs under physiologically relevant flow rates, tumor MVs were perfused across a microfluidic device coated with growing human umbilical vein endothelial cells (HUVECs). Cell lines were screened for their ability to form tumor spheroids, and two cell lines, ES-2 and U87, were selected; spheroids formed were transferred to a microfluidic chip, and a second endothelial cell biochip was coated with HUVECs and the two chips were linked. Media flowed through the spheroid chip to the endothelial chip, and procoagulant activity (PCA) of the tumor media was determined by a one-stage prothrombin time assay. Tumor MVs were also quantified by flow cytometry before and after interaction with HUVECs. Confocal images showed that HUVECs acquired fluorescence from MV attachment. Labeled MVs were proportionally lost from MV rich media with time when flowed over HUVECs and were not observed on a control chip. The loss of MV was accompanied by a proportional reduction in PCA. Flow cytometry, confocal microscopy, and live flow imagery captured under pulsatile flow confirmed an association between tumor MVs and HUVECs. Tumor MVs attached to endothelial cells under physiological flow rates, which may be relevant to the VTE pathways in cancer patients.
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Affiliation(s)
| | | | - Leigh A. Madden
- Author to whom correspondence should be addressed:. Tel.: 441482466031
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Kafian S, Wallén H, Samad BA, Mobarrez F. Microvesicles from patients with acute coronary syndrome enhance platelet aggregation. Scandinavian Journal of Clinical and Laboratory Investigation 2019; 79:507-512. [PMID: 31502883 DOI: 10.1080/00365513.2019.1663554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Microvesicles (MVs) released from leukocytes, platelets and endothelial cells are elevated in patients with acute coronary syndrome (ACS). In the present study, we assessed the potential pro-aggregatory properties of MVs obtained from ACS patients. Thus, we divided the patients into two groups based on clopidogrel-responsiveness, i.e. high on-treatment platelet reactivity (HPR; n = 16), and low or normal on-treatment platelet reactivity (non-HPR; n = 14), respectively. MVs from patients were obtained by high-speed centrifugation, and the pro-aggregatory effect of MVs added to fresh isolated platelets from healthy subjects were analyzed by 96-well microplate aggregometry. MVs from HPR patients significantly enhanced spontaneous platelet aggregation around two times more than MVs from non-HPR patients. The pro-aggregatory effect of three out of four MV phenotypes correlated to MV-concentrations as determined by flow cytometry. Furthermore, MVs from patients with diabetes mellitus (n = 9) had a stronger pro-aggregatory effect compared to MVs from those without diabetes (n = 21; p = .025 between groups). In conclusion, MVs from ACS patients with clopidogrel non-responsiveness enhance platelet aggregation, as do MVs from ACS patients with diabetes. Thus, MVs from patients with hyperreactive platelets boost platelet aggregation. Blocking MV-formation may reduce platelet hyperreactivity.
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Affiliation(s)
- Sam Kafian
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd Hospital, Karolinska Institutet , Stockholm , Sweden
| | - Håkan Wallén
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd Hospital, Karolinska Institutet , Stockholm , Sweden
| | - Bassem A Samad
- Department of Clinical Sciences, Division of Cardiovascular Medicine, Danderyd Hospital, Karolinska Institutet , Stockholm , Sweden
| | - Fariborz Mobarrez
- Department of Medical Sciences, Division of Cancer Pharmacology and Computational Medicine, Uppsala University , Uppsala , Sweden
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34
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Cognasse F, Garraud O. Cytokines and related molecules, and adverse reactions related to platelet concentrate transfusions. Transfus Clin Biol 2019; 26:144-146. [PMID: 31327557 DOI: 10.1016/j.tracli.2019.06.324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 11/25/2022]
Abstract
Platelet transfusion is a safe process, but during or after the process the recipient may experience an adverse reaction and occasionally a serious adverse reaction (SAR). Platelet concentrate transfusion may be liable for significant absence of beneficial response. Danger may manifest clinically or biologically; in the latter case, manifestations are frequently an absence of the expected response to the blood component by the recipient. Blood platelets exert roles in inflammation, especially through the immunomodulator complex CD40/CD40L (sCD40L). In this review, we concentrate on the inflammatory potential of platelets and their participation to SARs in transfusion.
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Affiliation(s)
- F Cognasse
- The Rhône-Alpes-Auvergne Regional Branch of the French National Blood System EFS, 42000 Saint-Étienne, France.
| | - O Garraud
- EA3064, Faculty of Medicine, University of Lyon, 42023 Saint-Étienne, France; Palliative Care Unit, the Ruffec Hospital, 16700 Ruffec, France; Institut National de la Transfusion Sanguine, 75015 Paris, France
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35
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Menocha S, Muszynski JA. Transfusion-related immune modulation: functional consequence of extracellular vesicles? Transfusion 2019; 59:3553-3555. [PMID: 31322730 DOI: 10.1111/trf.15461] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 07/11/2019] [Indexed: 12/15/2022]
Abstract
Extracellular vesicles (EVs) are small, subcellular vesicles that are released from a variety of cells and play important roles in cell-to-cell communication. Transfused blood products, including red blood cell, platelet, and plasma products contain EVs that are capable of interacting with and altering immune cell function. The extent to which EVs may contribute to clinically meaningful immunomodulatory effects of transfusion remains unclear and deserving of further study.
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Affiliation(s)
- Somaang Menocha
- The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio
| | - Jennifer A Muszynski
- The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio.,Division of Critical Care Medicine, Nationwide Children's Hospital, Columbus, Ohio
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36
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Cognasse F, Laradi S, Berthelot P, Bourlet T, Marotte H, Mismetti P, Garraud O, Hamzeh-Cognasse H. Platelet Inflammatory Response to Stress. Front Immunol 2019; 10:1478. [PMID: 31316518 PMCID: PMC6611140 DOI: 10.3389/fimmu.2019.01478] [Citation(s) in RCA: 144] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 06/13/2019] [Indexed: 12/02/2022] Open
Abstract
Blood platelets play a central hemostatic role, (i) as they repair vascular epithelial damage, and (ii) they play immune defense roles, as they have the capacity to produce and secrete various cytokines, chemokines, and related products. Platelets sense and respond to local dangers (infectious or not). Platelets, therefore, mediate inflammation, express and use receptors to bind infectious pathogen moieties and endogenous ligands, among other components. Platelets contribute to effective pathogen clearance. Damage-associated molecular patterns (DAMPs) are danger signals released during inflammatory stress, such as burns, trauma and infection. Each pathogen is recognized by its specific molecular signature or pathogen-associated molecular pattern (PAMP). Recent data demonstrate that platelets have the capacity to sense external danger signals (DAMPs or PAMPs) differentially through a distinct type of pathogen recognition receptor (such as Toll-like receptors). Platelets regulate the innate immune response to pathogens and/or endogenous molecules, presenting several types of “danger” signals using a complete signalosome. Platelets, therefore, use complex tools to mediate a wide range of functions from danger sensing to tissue repair. Moreover, we noted that the secretory capacity of stored platelets over time and the development of stress lesions by platelets upon collection, processing, and storage are considered stress signals. The key message of this review is the “inflammatory response to stress” function of platelets in an infectious or non-infectious context.
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Affiliation(s)
- Fabrice Cognasse
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,GIMAP-EA3064, Université de Lyon, Saint-Étienne, France
| | - Sandrine Laradi
- Etablissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France.,GIMAP-EA3064, Université de Lyon, Saint-Étienne, France
| | - Philippe Berthelot
- GIMAP-EA3064, Université de Lyon, Saint-Étienne, France.,Laboratoire des Agents Infectieux et d'Hygiène, CHU de Saint-Etienne, Saint-Étienne, France
| | - Thomas Bourlet
- GIMAP-EA3064, Université de Lyon, Saint-Étienne, France.,Laboratoire des Agents Infectieux et d'Hygiène, CHU de Saint-Etienne, Saint-Étienne, France
| | - Hubert Marotte
- SAINBIOSE, INSERM U1059, University of Lyon, Saint-Étienne, France.,Department of Rheumatology, University Hospital of Saint-Etienne, Saint-Étienne, France
| | - Patrick Mismetti
- SAINBIOSE, INSERM U1059, University of Lyon, Saint-Étienne, France.,Vascular and Therapeutic Medicine Department, Saint-Etienne University Hospital Center, Saint-Étienne, France
| | - Olivier Garraud
- GIMAP-EA3064, Université de Lyon, Saint-Étienne, France.,Institut National de Transfusion Sanguine, Paris, France
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Diebel LN, Liberati DM. Red blood cell storage and adhesion to vascular endothelium under normal or stress conditions: An in vitro microfluidic study. J Trauma Acute Care Surg 2019; 86:943-951. [PMID: 31124891 DOI: 10.1097/ta.0000000000002239] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND Observational studies have identified an association between duration of red blood cell (RBC) storage and adverse outcomes in trauma. Hemorrhagic shock (HS) leads to impaired tissue perfusion which is associated with endothelial cell glycocalyx (eGC) shedding. Adhesion of stored RBC to the vascular endothelium has been shown to lead to impaired perfusion in the microcirculation and contribute to organ failure and poor outcome. The role of either or both of the EC and RBC glycocalyx in this process is unknown and was studied in an in vitro model. METHODS Human umbilical vein endothelial cells were perfused in a microfluidic device with RBC solutions from fresh, less than 14-day or longer than 21-day storage. In some experiments, the HS microenvironment was simulated by hypoxia-reoxygenation (H/R) and epinephrine (Epi) in the perfusion experiments. Measurements obtained included endothelial cell (EC) and RBC glycocalyx and RBC adherence to human umbilical vein endothelial cell monolayers at variable shear rates. RESULTS Endothelial cell glycocalyx and RBC glycocalyx dimensions were reduced by H/R and Epi and storage duration respectively. Red blood cell adherence to the endothelium was increased by H/R + Epi treatment and duration of RBC storage. CONCLUSION Our data may help explain some of the remaining discrepancies regarding the impact of RBC storage duration on outcomes in the trauma population. Consideration of the integrity of the EC and RBC glycocalyx may guide future transfusion strategies in the trauma population. The microfluidic device system platform may offer a high throughput modality to study emerging therapies to mitigate adverse consequence of RBC storage duration on the perfused endothelium in the trauma setting.
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Affiliation(s)
- Lawrence N Diebel
- From the Michael and Marian Ilitch Department of Surgery (L.N.D., D.M.L.), Wayne State University, Detroit, Michigan
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38
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Bouchard BA, Orfeo T, Keith HN, Lavoie EM, Gissel M, Fung M, Mann KG. Microparticles formed during storage of red blood cell units support thrombin generation. J Trauma Acute Care Surg 2019; 84:598-605. [PMID: 29251713 DOI: 10.1097/ta.0000000000001759] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Intact red blood cells (RBCs) appear to support thrombin generation in in vitro models of blood coagulation. During storage of RBC units, biochemical, structural, and physiological changes occur including alterations to RBC membranes and release of microparticles, which are collectively known as storage lesion. The clinical consequences of microparticle formation in RBC units are unclear. This study was performed to assess thrombin generation via the prothrombinase complex by washed RBCs and RBC-derived microparticles as a function of RBC unit age. METHODS Well-characterized kinetic and flow cytometric assays were used to quantify and characterize microparticles isolated from leukocyte-reduced RBC units during storage for 42 days under standard blood banking conditions. RESULTS Stored RBCs exhibited known features of storage lesion including decreasing pH, cell lysis, and release of microparticles demonstrated by scanning electron microscopy. The rate of thrombin formation by RBC units linearly increased during storage, with the microparticle fraction accounting for approximately 70% of the prothrombinase activity after 35 days. High-resolution flow cytometric analyses of microparticle isolates identified phosphatidylserine-positive RBC-derived microparticles; however, their numbers over time did not correlate with thrombin formation in that fraction. CONCLUSION Red blood cell-derived microparticles capable of supporting prothrombinase function accumulate during storage, suggesting an increased potential of transfused units as they age to interact in unplanned ways with ongoing hemostatic processes in injured individuals, especially given the standard blood bank practice of using the oldest units available.
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Affiliation(s)
- Beth A Bouchard
- From the Department of Biochemistry (B.A.B., T.O., H.N.K., E.M.L., M.G., K.G.M.), and Blood Bank and Transfusion Medicine, Department of Pathology (M.F.), The Larner College of Medicine at the University of Vermont, Burlington, Vermont
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Wannez A, Devalet B, Chatelain B, Chatelain C, Dogné JM, Mullier F. Extracellular Vesicles in Red Blood Cell Concentrates: An Overview. Transfus Med Rev 2019; 33:125-130. [PMID: 30910256 DOI: 10.1016/j.tmrv.2019.02.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 02/06/2019] [Accepted: 02/15/2019] [Indexed: 01/28/2023]
Abstract
Red blood cell (RBC) concentrates may be stored for up to 42 days before transfusion to a patient. During storage extracellular vesicles (EVs) develop and can be detected in significant amounts in RBC concentrates. The concentration of EVs is affected by component preparation methods, storage solutions, and inter-donor variation. Laboratory investigations have focused on the effect of EVs on in vitro assays of thrombin generation and immune responses. Assays for EVs in RBC concentrates are not standardized. The aims of this review are to describe the factors that determine the presence of erythrocyte-EVs in RBC concentrates, the current techniques used to characterize them, and the potential role of EV analysis as a quality control maker for RBC storage.
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Affiliation(s)
- Adeline Wannez
- Université Catholique de Louvain, CHU UCL Namur, Namur Thrombosis and Hemostasis Center, Hematology Laboratory, Yvoir, Belgium; University of Namur, Namur Research Institute for Life Sciences, Namur Thrombosis and Hemostasis Center, Department of Pharmacy, Namur, Belgium.
| | - Bérangère Devalet
- Université Catholique de Louvain, CHU UCL Namur, Namur Thrombosis and Hemostasis Center, Department of Hematology, Yvoir, Belgium
| | - Bernard Chatelain
- Université Catholique de Louvain, CHU UCL Namur, Namur Thrombosis and Hemostasis Center, Hematology Laboratory, Yvoir, Belgium
| | - Christian Chatelain
- University of Namur, Namur Research Institute for Life Sciences, Namur Thrombosis and Hemostasis Center, Department of Pharmacy, Namur, Belgium
| | - Jean-Michel Dogné
- University of Namur, Namur Research Institute for Life Sciences, Namur Thrombosis and Hemostasis Center, Department of Pharmacy, Namur, Belgium
| | - François Mullier
- Université Catholique de Louvain, CHU UCL Namur, Namur Thrombosis and Hemostasis Center, Hematology Laboratory, Yvoir, Belgium
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40
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Plasma lipidome reveals critical illness and recovery from human Ebola virus disease. Proc Natl Acad Sci U S A 2019; 116:3919-3928. [PMID: 30808769 DOI: 10.1073/pnas.1815356116] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Ebola virus disease (EVD) often leads to severe and fatal outcomes in humans with early supportive care increasing the chances of survival. Profiling the human plasma lipidome provides insight into critical illness as well as diseased states, as lipids have essential roles as membrane structural components, signaling molecules, and energy sources. Here we show that the plasma lipidomes of EVD survivors and fatalities from Sierra Leone, infected during the 2014-2016 Ebola virus outbreak, were profoundly altered. Focusing on how lipids are associated in human plasma, while factoring in the state of critical illness, we found that lipidome changes were related to EVD outcome and could identify states of disease and recovery. Specific changes in the lipidome suggested contributions from extracellular vesicles, viremia, liver dysfunction, apoptosis, autophagy, and general critical illness, and we identified possible targets for therapies enhancing EVD survival.
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Wirtz MR, Jurgens J, Zuurbier CJ, Roelofs JJTH, Spinella PC, Muszynski JA, Carel Goslings J, Juffermans NP. Washing or filtering of blood products does not improve outcome in a rat model of trauma and multiple transfusion. Transfusion 2018; 59:134-145. [PMID: 30461025 PMCID: PMC7379301 DOI: 10.1111/trf.15039] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 09/04/2018] [Accepted: 09/16/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Transfusion is associated with organ failure and nosocomial infection in trauma patients, which may be mediated by soluble bioactive substances in blood products, including extracellular vesicles (EVs). We hypothesize that removing EVs, by washing or filtering of blood products, reduces organ failure and improves host immune response. MATERIALS AND METHODS Blood products were prepared from syngeneic rat blood. EVs were removed from RBCs and platelets by washing. Plasma was filtered through a 0.22‐μm filter. Rats were traumatized by crush injury to the intestines and liver, and a femur was fractured. Rats were hemorrhaged until a mean arterial pressure of 40 mm Hg and randomized to receive resuscitation with standard or washed/filtered blood products, in a 1:1:1 ratio. Sham controls were not resuscitated. Ex vivo whole blood stimulation tests were performed and histopathology was done. RESULTS Washing of blood products improved quality metrics compared to standard products. Also, EV levels reduced by 12% to 77%. The coagulation status, as assessed by thromboelastometry, was deranged in both groups and normalized during transfusion, without significant differences. Use of washed/filtered products did not reduce organ failure, as assessed by histopathologic score and biochemical measurements. Immune response ex vivo was decreased following transfusion compared to sham but did not differ between transfusion groups. CONCLUSION Filtering or washing of blood products improved biochemical properties and reduced EV counts, while maintaining coagulation abilities. However, in this trauma and transfusion model, the use of optimized blood components did not attenuate organ injury or immune suppression.
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Affiliation(s)
- Mathijs R Wirtz
- Department of Intensive Care Medicine, Academic Medical Center, Amsterdam, The Netherlands.,Laboratory of Experimental Intensive Care and Anesthesiology, Academic Medical Center, Amsterdam, The Netherlands.,Department of Trauma Surgery, Academic Medical Center, Amsterdam, The Netherlands
| | - Jordy Jurgens
- Department of Intensive Care Medicine, Academic Medical Center, Amsterdam, The Netherlands
| | - Coert J Zuurbier
- Laboratory of Experimental Intensive Care and Anesthesiology, Academic Medical Center, Amsterdam, The Netherlands
| | - Joris J T H Roelofs
- Department of Pathology, Academic Medical Center, Amsterdam, The Netherlands
| | - Philip C Spinella
- Department of Pediatrics, Division of Critical Care, Washington University in St Louis, St Louis, Missouri
| | - Jennifer A Muszynski
- Department of Pediatrics, Division of Critical Care Medicine, Nationwide Children's Hospital, Columbus, Ohio
| | - J Carel Goslings
- Department of Trauma Surgery, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands
| | - Nicole P Juffermans
- Department of Intensive Care Medicine, Academic Medical Center, Amsterdam, The Netherlands.,Laboratory of Experimental Intensive Care and Anesthesiology, Academic Medical Center, Amsterdam, The Netherlands
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42
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Hashemi Tayer A, Amirizadeh N, Ahmadinejad M, Nikougoftar M, Deyhim MR, Zolfaghari S. Procoagulant Activity of Red Blood Cell-Derived Microvesicles during Red Cell Storage. Transfus Med Hemother 2018; 46:224-230. [PMID: 31700504 DOI: 10.1159/000494367] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 10/09/2018] [Indexed: 01/03/2023] Open
Abstract
Background Red blood cells (RBCs) undergo structural and biochemical alterations during storage which are collectively called RBC storage lesion and cause a decrease in RBC recovery and survival. During storage, erythrocytes release an increasing number of microvesicles (MVs) that have key roles in biological processes. We aimed to investigate the procoagulant activity (PCA) of RBC-derived MVs during storage. Methods 20 packed RBCs were stored for up to 42 days. Samples were taken at seven different times and evaluated for the presence of RBC-MVs. MVs were separated, and following filtration flow cytometry was used to characterize RBC-MVs based on the expression of glycophorin A (Gly.A) and annexin V (AnnV) antigens. The coagulant activity of RBC-MVs was tested by clotting time (CT) and PCA assays. Results were compared before and after filtration. Results Flow cytometry revealed a 17.6-fold increase in RBC-MVs after 6 weeks of storage. Significant correlations were found between AnnV+ MVs and PCA (r = 0.96; p < 0.001), and CT (r = -0.77; p < 0.001) which was associated with increased PCA and shortened CT with RBC aging. Filtration of samples efficiently removed MVs (p < 0.001) and also reduced in vitro PCA of MVs (p < 0.001). Conclusion RBC-MVs are procoagulant (particularly AnnV+ MVs) Reduction of MVs from RBC concentrates may reduce the risk of transfusion-induced thrombotic complications.
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Affiliation(s)
- Akbar Hashemi Tayer
- Department of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran.,Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Naser Amirizadeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Minoo Ahmadinejad
- Hematology and Reference Coagulation Lab, Iranian Blood Transfusion Organization, Tehran, Iran
| | - Mahin Nikougoftar
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Mohammad Reza Deyhim
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Sima Zolfaghari
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
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Pollet H, Conrard L, Cloos AS, Tyteca D. Plasma Membrane Lipid Domains as Platforms for Vesicle Biogenesis and Shedding? Biomolecules 2018; 8:E94. [PMID: 30223513 PMCID: PMC6164003 DOI: 10.3390/biom8030094] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 09/03/2018] [Accepted: 09/04/2018] [Indexed: 12/18/2022] Open
Abstract
Extracellular vesicles (EVs) contribute to several pathophysiological processes and appear as emerging targets for disease diagnosis and therapy. However, successful translation from bench to bedside requires deeper understanding of EVs, in particular their diversity, composition, biogenesis and shedding mechanisms. In this review, we focus on plasma membrane-derived microvesicles (MVs), far less appreciated than exosomes. We integrate documented mechanisms involved in MV biogenesis and shedding, focusing on the red blood cell as a model. We then provide a perspective for the relevance of plasma membrane lipid composition and biophysical properties in microvesiculation on red blood cells but also platelets, immune and nervous cells as well as tumor cells. Although only a few data are available in this respect, most of them appear to converge to the idea that modulation of plasma membrane lipid content, transversal asymmetry and lateral heterogeneity in lipid domains may play a significant role in the vesiculation process. We suggest that lipid domains may represent platforms for inclusion/exclusion of membrane lipids and proteins into MVs and that MVs could originate from distinct domains during physiological processes and disease evolution.
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Affiliation(s)
- Hélène Pollet
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
| | - Louise Conrard
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
| | - Anne-Sophie Cloos
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
| | - Donatienne Tyteca
- CELL Unit, de Duve Institute & Université Catholique de Louvain, UCL B1.75.05, Avenue Hippocrate, 75, B-1200 Brussels, Belgium.
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44
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Gao M, Zhang B, Zhang Y, Chen Y, Xiong J, Wang J, Chen H, Chen G, Wei Q. The effects of apheresis, storage time, and leukofiltration on microparticle formation in apheresis platelet products. Transfusion 2018; 58:2388-2394. [PMID: 30203553 DOI: 10.1111/trf.14890] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Revised: 02/28/2018] [Accepted: 05/16/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Ming Gao
- Department of Transfusion; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan Hubei China
| | - Bin Zhang
- Department of Transfusion; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan Hubei China
| | - Yue Zhang
- Department of Transfusion; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan Hubei China
| | | | - Jin Xiong
- Department of Transfusion; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan Hubei China
| | - Juan Wang
- Department of Transfusion; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan Hubei China
| | | | | | - Qing Wei
- Department of Transfusion; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Wuhan Hubei China
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Acker JP, Almizraq RJ, Millar D, Maurer-Spurej E. Screening of red blood cells for extracellular vesicle content as a product quality indicator. Transfusion 2018; 58:2217-2226. [PMID: 30168148 DOI: 10.1111/trf.14782] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/23/2018] [Accepted: 04/23/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND The controversy around the quality and clinical impact of stored and differentially manufactured red cell concentrates (RCCs) from different donor groups is ongoing. Current studies are limited by the lack of quality measures suitable for routine screening of RCCs. As extracellular vesicles (EVs) are markers of cellular activation or degradation, this study investigated the utility of EV screening to characterize the effects of RBCs production methods and storage. STUDY DESIGN AND METHODS RCCs were prepared by whole blood filtration or red blood cell (RBC) filtration methods, centrifuged to prepare a supernatant, and tested for EV content (dynamic light scattering or tunable resistive pulse-sensing techniques), hemolysis, ATP, and RBC deformability on Days 7, 21, and 42 of storage. To simulate nondestructive quality control (QC) testing, 1 RBC unit was tested in parallel with six 10-mL aliquots that were stored in small-volume containers. RESULTS EV content showed a linear increase with storage time (p < 0.001) and correlated with supernatant hemoglobin and inversely with ATP or RBC deformability. The method of component manufacturing influenced the characteristics of the EVs during storage. A strong correlation between both EV testing methods' measure of total EV was observed. EV content in the six aliquots were consistent at each time point but statistically higher than in the original RCCs on and after 21 days of storage. CONCLUSIONS EV content correlates with measures of hemolysis and other RBC quality indicators and could be implemented as a routine screening tool for nondestructive QC testing of RCCs.
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Affiliation(s)
- Jason P Acker
- Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta.,Centre for Innovation, Canadian Blood Services, Edmonton, Alberta
| | | | - Daniel Millar
- LightIntegra Technology, Inc., Vancouver, British Columbia, Canada
| | - Elisabeth Maurer-Spurej
- LightIntegra Technology, Inc., Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, Vancouver, British Columbia, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, British Columbia, Canada
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46
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Effects of donor age, donor sex, blood-component processing, and storage on cell-derived microparticle concentrations in routine blood-component preparation. Transfus Apher Sci 2018; 57:587-592. [PMID: 30082165 DOI: 10.1016/j.transci.2018.07.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 06/27/2018] [Accepted: 07/06/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND A number of factors cause increases in the number of cell-derived microparticles (MPs) in blood components. However, the overall effects of these factors on the concentration of MPs during routine blood-component preparation have not fully been elucidated. AIM To evaluate the effects of donor age, donor sex, blood-component preparation, and storage on MP concentrations. METHODS Flow cytometry was used to quantitate the number of whole blood-derived MPs. RESULTS The total MP concentration was similar in male and female donors (26,044 ± 1254 particles/μL vs. 27,696 ± 1584 particles/μL). The total MP concentration did not differ significantly among the different age groups: 18-30 years (28,730 ± 1600 particles/μL), 31-40 years (24,972 ± 5947 particles/μL), and 41-58 years (25,195 ± 1727 particles/μL). However, the total number of MPs in fresh plasma (152,110 ± 46,716 particles/μL) was significantly higher (p < 0.05) than that in unprocessed whole blood (26,752 ± 985 particles/μL), fresh packed red blood cells (PRBCs) (28,574 ± 1028 particles/μL), and platelet concentrate (PC) (33,072 ± 1858 particles/μL). Furthermore, the total numbers of MPs in stored PRBCs and fresh-frozen plasma (FFP) were significantly higher (p < 0.05) than those in fresh PRBCs and fresh plasma, respectively. CONCLUSIONS The study suggests that donor factors, blood-component processing and storage contribute to the MP concentration in routine blood-product preparation. The findings can improve quality control and management of blood-product manufacturing in routine transfusion laboratories.
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47
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Sawamura Y, Ohto H, Ikeda K, Kanno T, Suzuki Y, Gonda K, Tasaki T, Nollet KE, Takahashi H, Aota S. Impact of prestorage leucoreduction of autologous whole blood on length of hospital stay with a subgroup analysis in bilateral hip arthroplasty. Vox Sang 2018; 113:584-593. [PMID: 29923207 DOI: 10.1111/vox.12674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 05/06/2018] [Accepted: 05/08/2018] [Indexed: 01/20/2023]
Abstract
BACKGROUND Although prestorage leucoreduction (LR) of blood components for transfusion has gained favour around the world, evidence of its beneficial clinical effects is ambiguous. STUDY DESIGN AND METHODS To reveal whether leucocytes and/or platelets in transfused blood are related to transfusion-related adverse effects, a prospective randomized crossover study was performed on patients who donated autologous blood prior to elective surgery. Among 1487 primary enrolees, a total of 192 patients undergoing two-stage, bilateral total hip arthroplasty were randomized to receive autologous blood that was either prestorage leucoreduced, or not, for the first procedure. For the second procedure, each patient was crossed over to receive alternatively processed autologous blood. Length of hospital stay served as a primary end-point, with perioperative infectious/thrombotic complications, pre- and postoperative laboratory values, and body temperature serving as secondary endpoints. RESULTS No significant differences emerged between prestorage LR and non-LR cohorts in length of hospital stay, as well as perioperative infectious/thrombotic complications, postoperative body temperature and duration of fever. Postoperative laboratory values including white blood cell counts and C-reactive protein levels had no significant differences. CONCLUSION This study could not prove any superiority of prestorage LR over non-LR for autologous whole blood among patients who underwent total hip arthroplasty.
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Affiliation(s)
- Y Sawamura
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
- Japanese Red Cross Miyagi Blood Center, Sendai, Japan
| | - H Ohto
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
| | - K Ikeda
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
| | - T Kanno
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
- Japanese Red Cross Fukushima Blood Center, Fukushima, Japan
| | - Y Suzuki
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
| | - K Gonda
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
| | - T Tasaki
- Department of Blood transfusion, Jikei University Hospital, Tokyo, Japan
| | - K E Nollet
- Department of Blood Transfusion and Transplantation Immunology, Fukushima Medical University Hospital, Fukushima, Japan
| | - H Takahashi
- National Institute of Public Health, Saitama, Japan
| | - S Aota
- Department of Orthopedic Surgery, Fukushima Medical University Hospital, Fukushima, Japan
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Schubert P, Johnson L, Marks DC, Devine DV. Ultraviolet-Based Pathogen Inactivation Systems: Untangling the Molecular Targets Activated in Platelets. Front Med (Lausanne) 2018; 5:129. [PMID: 29868586 PMCID: PMC5949320 DOI: 10.3389/fmed.2018.00129] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 04/19/2018] [Indexed: 12/13/2022] Open
Abstract
Transfusions of platelets are an important cornerstone of medicine; however, recipients may be subject to risk of adverse events associated with the potential transmission of pathogens, especially bacteria. Pathogen inactivation (PI) technologies based on ultraviolet illumination have been developed in the last decades to mitigate this risk. This review discusses studies of platelet concentrates treated with the current generation of PI technologies to assess their impact on quality, PI capacity, safety, and clinical efficacy. Improved safety seems to come with the cost of reduced platelet functionality, and hence transfusion efficacy. In order to understand these negative impacts in more detail, several molecular analyses have identified signaling pathways linked to platelet function that are altered by PI. Because some of these biochemical alterations are similar to those seen arising in the context of routine platelet storage lesion development occurring during blood bank storage, we lack a complete picture of the contribution of PI treatment to impaired platelet functionality. A model generated using data from currently available publications places the signaling protein kinase p38 as a central player regulating a variety of mechanisms triggered in platelets by PI systems.
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Affiliation(s)
- Peter Schubert
- Canadian Blood Services, Vancouver, BC, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada
| | - Lacey Johnson
- Research and Development, Australian Red Cross Blood Service, Sydney, NSW, Australia
| | - Denese C Marks
- Research and Development, Australian Red Cross Blood Service, Sydney, NSW, Australia.,Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Dana V Devine
- Canadian Blood Services, Vancouver, BC, Canada.,Centre for Blood Research, University of British Columbia, Vancouver, BC, Canada
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Garraud O, Tissot JD. Blood and Blood Components: From Similarities to Differences. Front Med (Lausanne) 2018; 5:84. [PMID: 29686986 PMCID: PMC5900421 DOI: 10.3389/fmed.2018.00084] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 03/16/2018] [Indexed: 12/17/2022] Open
Abstract
Blood transfusion is made possible because, in most countries and organizations, altruistic individuals voluntarily, anonymously, and generously donate (without compensation) either whole blood or separated components that are then processed and distributed by professionals, prior to being allocated to recipients in need. Being part of modern medicine, blood transfusion uses so-called standard blood components when relative to cellular fractions and fresh plasma. However, as will be discussed in this paper, strictly speaking, such so-called labile blood components are not completely standard. Furthermore, the prevalent system based on voluntary, non-remunerated blood donation is not yet universal and, despite claims by the World Health Organization that 100% of blood collection will be derived from altruistic donations by 2020 (postponed to 2025), many obstacles may hinder this ambition, especially when relative to the collection of the enormous amount of plasma destined for fractionation into plasma derivative or drugs. Finally, country organizations also vary due to the economy, sociology, politics, and epidemiology. This paper then, discusses the particulars (of which ethical considerations) of blood transfusion diversity and the consequences for donors, patients, and society.
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Affiliation(s)
- Olivier Garraud
- Faculty of Medicine, University of Lyon, Saint-Etienne, France
- Institut National de la Transfusion Sanguine, Paris, France
| | - Jean-Daniel Tissot
- Transfusion Interrégionale CRS, Epalinges, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
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Is Coagulopathy an Appropriate Therapeutic Target During Critical Illness Such as Trauma or Sepsis? Shock 2018; 48:159-167. [PMID: 28234791 DOI: 10.1097/shk.0000000000000854] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Coagulopathy is a common and vexing clinical problem in critically ill patients. Recently, major advances focused on the treatment of coagulopathy in trauma and sepsis have emerged. However, the targeting of coagulopathy with blood product transfusion and drugs directed at attenuating the physiologic response to these conditions has major potential risk to the patient. Therefore, the identification of coagulopathy as a clinical target is an area of uncertainty and controversy. To analyze the state of the science regarding coagulopathy in critical illness, a symposium addressing the problem was organized at the 39th annual meeting of the Shock Society in the summer of 2016. This manuscript synthesizes the viewpoints of the four expert panelists at the debate and presents an overview of the potential positive and negative consequences of targeting coagulopathy in trauma and sepsis.
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