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Bailey SL, Bochenek M, Chauhan A, Miller B, Stolla M. Biotin labeling allows for post-transfusion functional assessment of stored human platelets in mice. Transfusion 2024. [PMID: 38757806 DOI: 10.1111/trf.17879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 05/01/2024] [Accepted: 05/05/2024] [Indexed: 05/18/2024]
Abstract
BACKGROUND Platelet radiolabeling with radioisotopes is currently used for human platelet recovery and survival studies. Biotinylation enables ex vivo post-transfusion platelet function testing. Whether platelet biotinylation itself affects platelet function is controversial. STUDY DESIGN AND METHODS Platelet concentrates from healthy humans were stored for 6 days. Samples were obtained at 1 or 2 and 6 days, and platelets were labeled following a radiolabeling protocol using saline instead of radioactive indium-111 (sham radiolabeling [sham-RL]). Alternatively, a newly developed biotinylation protocol, a washing protocol, or an unmanipulated control sample were used. Platelet function was assessed by flow cytometry after stimulation with platelet agonists and labeling of platelets with platelet activation markers. To test whether platelets can be activated after transfusion, labeled platelets were transfused into nonobese diabetic/severe combined immunodeficiency mice, and samples were obtained 1 h after transfusion. RESULTS The activation profile of biotinylated platelets was comparable to sham-RL platelets before transfusion except for significantly less α-degranulation and more phosphatidyl serine exposure on storage day 1/2. There was no significant difference between sham-RL and biotinylated platelets on storage day 6. Sham-RL and biotinylated platelets were significantly less activatable than washed and unmanipulated control platelets. After transfusion, the activation profile of biotinylated platelets was largely indistinguishable from unmanipulated ones. DISCUSSION The decrease in activation level in biotinylated platelets we and others observed appears mainly due to the physical manipulation during the labeling process. In conclusion, biotinylated platelets allow for post-transfusion function assessment, a major advantage over radiolabeling.
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Affiliation(s)
| | - Martin Bochenek
- Bloodworks Northwest Research Institute, Seattle, Washington, USA
| | - Aastha Chauhan
- Bloodworks Northwest Research Institute, Seattle, Washington, USA
| | - Brandon Miller
- Bloodworks Northwest Research Institute, Seattle, Washington, USA
| | - Moritz Stolla
- Bloodworks Northwest Research Institute, Seattle, Washington, USA
- Department of Medicine, Division of Hematology and Oncology, University of Washington School of Medicine, Seattle, Washington, USA
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, Washington, USA
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Feldman TP, Brown BL. Evaluation of a method to fluorescently label platelets for in-human recovery and survival studies. Vox Sang 2024. [PMID: 38697641 DOI: 10.1111/vox.13646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/15/2024] [Accepted: 04/16/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND AND OBJECTIVES Platelets for transfusion are evaluated for in vivo quality using recovery and survival measurements in healthy human subjects. Radiolabelling is the standard for tracing platelets post-transfusion but imposes logistical and technical limitations. This study investigates the in vitro feasibility of labelling platelets with the calcein family of fluorescent dyes as an alternative to radioisotopes or biotin. MATERIALS AND METHODS Protocols for radiolabelling were adapted for use with calcein acetoxymethyl ester (CAM) and biotin. Labelled platelets were analysed by flow cytometry and evaluated for activation and function. We tested feasibility for labelling without manipulation of platelets and for multiplexing of samples. RESULTS Labelling at 2 μg CAM/1010 platelets resulted in >99% of CAM+ platelets. There was no significant difference in activation or aggregation between CAM-labelled or biotinylated platelets and vehicle controls although %CD62P+ was significantly lower in platelets that were not processed for labelling. Addition of CAM to the platelet storage bag labelled >95% of platelets. Platelet populations labelled with different dyes could be distinguished by flow cytometry. CONCLUSION These data provide a rationale for further development of CAM and other fluorescent dyes as tools for measuring post-transfusion kinetics of platelets.
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Affiliation(s)
- Tamar P Feldman
- American Red Cross, Holland Lab for the Biomedical Sciences, Rockville, Maryland, USA
| | - Bethany L Brown
- American Red Cross, Holland Lab for the Biomedical Sciences, Rockville, Maryland, USA
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von Behren JM, Wesche J, Greinacher A, Aurich K. Indocyanine Green-Labeled Platelets for Survival and Recovery Studies. Transfus Med Hemother 2024; 51:66-75. [PMID: 38584698 PMCID: PMC10996059 DOI: 10.1159/000533623] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/13/2023] [Indexed: 04/09/2024] Open
Abstract
Introduction Before being implemented in daily clinical routine, new production strategies for platelet concentrates (PCs) must be validated for their efficacy. Besides in vitro testing, the establishment of new methods requires the labeling of platelets for in vivo studies of platelets' survival and recovery. Indocyanine green (ICG) is a Food and Drug Administration-approved near-infrared (NIR) fluorescent dye for diagnostic use in vivo, suitable for non-radioactive direct cell labeling of platelets. Methods Platelets from PCs in storage solutions with different plasma concentrations were labeled with ICG up to concentrations of 200 μm. Whole blood (WB) was used as an ex vivo matrix to monitor the labeling stability of ICG-labeled platelets. The impact of labeling processes was assessed by the quantification of CD62P expression and PAC-1 binding as platelet function markers. Platelet aggregation was analyzed by light transmission aggregometry. ICG-labeling efficiency and stability of platelets were determined by flow cytometry. Results Platelets from PCs could be successfully labeled with 10 μm ICG after 1 and 4 days of storage. The best labeling efficiency of 99.8% ± 0.1% (immediately after labeling) and 81% ± 6.2% (after 24 h incubation with WB) was achieved by plasma replacement by 100% platelet additive solution for the labeling process. Since the washing process slightly impaired platelet function, ICG labeling itself did not affect platelets. Immediately after the ICG-labeling process, plasma was re-added, resulting in a recovered platelet function. Conclusion We developed a Good Manufacturing Practice compatible protocol for ICG fluorescent platelet labeling suitable for survival and recovery studies in vivo as a non-radioactive labeling alternative.
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Affiliation(s)
| | - Jan Wesche
- Universitätsmedizin Greifswald, Institut für Transfusionsmedizin, Greifswald, Germany
| | - Andreas Greinacher
- Universitätsmedizin Greifswald, Institut für Transfusionsmedizin, Greifswald, Germany
| | - Konstanze Aurich
- Universitätsmedizin Greifswald, Institut für Transfusionsmedizin, Greifswald, Germany
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Garraud O, Hamzeh-Cognasse H, Chalayer E, Duchez AC, Tardy B, Oriol P, Haddad A, Guyotat D, Cognasse F. Platelet transfusion in adults: An update. Transfus Clin Biol 2023; 30:147-165. [PMID: 36031180 DOI: 10.1016/j.tracli.2022.08.147] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Many patients worldwide receive platelet components (PCs) through the transfusion of diverse types of blood components. PC transfusions are essential for the treatment of central thrombocytopenia of diverse causes, and such treatment is beneficial in patients at risk of severe bleeding. PC transfusions account for almost 10% of all the blood components supplied by blood services, but they are associated with about 3.25 times as many severe reactions (attributable to transfusion) than red blood cell transfusions after stringent in-process leukoreduction to less than 106 residual cells per blood component. PCs are not homogeneous, due to the considerable differences between donors. Furthermore, the modes of PC collection and preparation, the safety precautions taken to limit either the most common (allergic-type reactions and febrile non-hemolytic reactions) or the most severe (bacterial contamination, pulmonary lesions) adverse reactions, and storage and conservation methods can all result in so-called PC "storage lesions". Some storage lesions affect PC quality, with implications for patient outcome. Good transfusion practices should result in higher levels of platelet recovery and efficacy, and lower complication rates. These practices include a matching of tissue ABH antigens whenever possible, and of platelet HLA (and, to a lesser extent, HPA) antigens in immunization situations. This review provides an overview of all the available information relating to platelet transfusion, from donor and donation to bedside transfusion, and considers the impact of the measures applied to increase transfusion efficacy while improving safety and preventing transfusion inefficacy and refractoriness. It also considers alternatives to platelet component (PC) transfusion.
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Affiliation(s)
- O Garraud
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Étienne, France.
| | | | - E Chalayer
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Étienne, France; Saint-Etienne University Hospital, Department of Hematology and Cellular Therapy, Saint-Étienne, France
| | - A C Duchez
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Étienne, France; Établissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
| | - B Tardy
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Étienne, France; CHU de Saint-Etienne, INSERM and CIC EC 1408, Clinical Epidemiology, Saint-Étienne, France
| | - P Oriol
- CHU de Saint-Etienne, INSERM and CIC EC 1408, Clinical Epidemiology, Saint-Étienne, France
| | - A Haddad
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Étienne, France; Sacré-Cœur Hospital, Beirut, Lebanon; Lebanese American University, Beirut, Lebanon
| | - D Guyotat
- Saint-Etienne University Hospital, Department of Hematology and Cellular Therapy, Saint-Étienne, France
| | - F Cognasse
- SAINBIOSE, INSERM, U1059, University of Lyon, Saint-Étienne, France; Établissement Français du Sang Auvergne-Rhône-Alpes, Saint-Étienne, France
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van Wonderen SF, van Baarle FLF, de Bruin S, Peters AL, de Korte D, van Bruggen R, Vlaar APJ. Biotinylated Platelets: A Promising Labeling Technique? Transfus Med Rev 2023:S0887-7963(23)00001-9. [PMID: 36697309 DOI: 10.1016/j.tmrv.2023.01.001] [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: 11/23/2022] [Revised: 01/02/2023] [Accepted: 01/06/2023] [Indexed: 01/14/2023]
Abstract
Labeling of platelets (PLTs) is essential for research purposes, in order to measure the recovery and survival of transfused PLTs in vivo. Biotinylation is a promising new alternative to the gold standard of radioactive labeling. This review highlights 4 key publications that provide significant insights into biotin-labeled PLTs (bioPLTs). Stohlawetz et al. established that transfusion of bioPLTs in human recipients is possible. De Bruin et al. developed a standardized, reproducible protocol for biotinylation of PLTs as a promising method to trace and isolate transfused PLTs in vivo, with reduced levels of PLT activation markers. Muret et al. developed a nonwashing biotin labeling method to implement in a blood bank environment. Finally, in a preclinical study, Ravanat et al. showed that different densities of biotin can be used to concurrently monitor multiple populations of human PLTs in the circulation of the same subject. These studies have made major contributions to the development of bioPLTs as a viable option for use in human research, and indicate that bioPLTs can be safely administered, preferably at a low density of biotin.
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Affiliation(s)
- Stefan F van Wonderen
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care and Laboratory of Experimental Intensive Care and Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Floor L F van Baarle
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care and Laboratory of Experimental Intensive Care and Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Sanne de Bruin
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care and Laboratory of Experimental Intensive Care and Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands
| | - Anna L Peters
- Division Vital Functions, Department of Anesthesiology, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Dirk de Korte
- Department of Product and Process Development, Sanquin Research and Landsteiner Laboratory, Amsterdam, The Netherlands
| | - Robin van Bruggen
- Department of Blood Cell Research, Sanquin Research and Landsteiner Laboratory, Amsterdam, The Netherlands
| | - Alexander P J Vlaar
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care and Laboratory of Experimental Intensive Care and Anesthesiology, Meibergdreef 9, Amsterdam, the Netherlands.
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6
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Muret C, Crettaz D, Martin A, Aliotta A, Bertaggia Calderara D, Alberio L, Prudent M. Two novel platelet biotinylation methods and their impact on stored platelet concentrates in a blood bank environment. Transfusion 2022; 62:2324-2333. [PMID: 36190148 DOI: 10.1111/trf.17129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/08/2022] [Accepted: 08/17/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Storage of platelet concentrates (PCs) has an impact on platelet quality and possibly affects their functions after transfusion. The influence of processing and storage conditions of PCs on their in vivo function upon transfusion is unknown. One option for investigating this question is to implement an ex vivo labeling of human platelets, to analyze them after transfusion into heathy volunteers and/or patients. In this study, we developed two labeling methods employing biotin. METHODS Two methods of biotinylation were compared to a control (standard PC). The "Bio-Wash" process used washing steps to label all platelets within the PC; for the other method, "Bio-Direct," one fifth of the PC were directly labeled without washing steps. The control and the two biotinylated PCs were analyzed over 7 days of storage. Labeling efficiency, platelet counts, phenotypes, and functions, along with time and costs, were evaluated to select the best process. RESULTS Both methods achieved a stable labeling through the storage, with similar platelet counts and metabolism in comparison to control PCs. Bio-Wash showed higher activation phenotype and lower aggregation response in comparison to the Bio-Direct method. The Bio-Direct was performed within 1.5 h versus 3 h for the Bio-Wash. However, the Bio-Direct required 12 mg of biotin instead of 8 mg for the other process. CONCLUSION We set up two methods of biotinylation that can be easily implemented in a blood bank environment. The Bio-Direct process was preferred to the Bio-Wash because of its similarity, from a functional and phenotypic point of view, with standard PCs.
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Affiliation(s)
- Charlotte Muret
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland.,Faculté de Biologie et de Médecine, Université de Lausanne (UNIL), Lausanne, Switzerland
| | - David Crettaz
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - Agathe Martin
- Laboratoire de Préparation Cellulaire et d'Analyses, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - Alessandro Aliotta
- Division of Hematology and Central Hematology Laboratory, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Debora Bertaggia Calderara
- Division of Hematology and Central Hematology Laboratory, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Lorenzo Alberio
- Division of Hematology and Central Hematology Laboratory, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland.,Center for Research and Innovation in Clinical Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University Hospital and University of Lausanne, Lausanne, Switzerland.,Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, University of Lausanne, Lausanne, Switzerland
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