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Kwan PSL, Kirwan S, Tuinukuafe A, Morley S. Temporal dynamics of in vitro hemostatic function in platelets cryopreserved using a novel approach for rapid issuance. Transfusion 2024; 64:1287-1295. [PMID: 38752347 DOI: 10.1111/trf.17871] [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: 06/19/2023] [Revised: 02/02/2024] [Accepted: 05/01/2024] [Indexed: 07/17/2024]
Abstract
BACKGROUND Current procedures for thawing and issuing of cryopreserved platelets (CPPs) are laborious and have remained challenging in emergency settings such as blood banks and military operations. In this prospective study, a novel processing method designed to facilitate the rapid issuance of CPPs with no postthaw handling required was developed and functionally characterized in parallel with standard CPPs manufactured. STUDY DESIGN AND METHODS Double-dose plateletpheresis units (n = 42) were cryopreserved at -80°C in 5%-6% dimethyl sulfoxide to produce matched pairs thawed successively over a 27-month period for comparison between two processing arms. In contrast to the standard CPPs manufactured as standalone units, platelets were frozen in tandem with resuspending plasma in a distinct partition as a single unit in the novel method, herein referred to as tandem CPPs. Postthaw (PT) CPPs from both arms were assessed at PT0-, 12-, and 24-h to measure platelet recovery, R-time (time to clot initiation; min), and maximum amplitude (MA; clot strength; mm) using thromboelastography. RESULTS In the overall dataset, mean platelet recovery was higher (p < .0005) for tandem CPPs (83.9%) compared with standard CPPs (73.3%) at PT0; mean R-times were faster (p < .0005) for tandem CPPs (2.5-3.6 min) compared with standard CPPs (3.0-3.8 min); mean MA was higher for tandem CPPs (57.8-59.5 mm) compared with standard CPPs (52.1-55.8 mm) at each postthaw time point (p < .05). CONCLUSION Robust temporal dynamics of superior hemostatic functionality were established for tandem CPPs over extended cryopreservation up to 27 months and 24 h of postthaw storage.
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Affiliation(s)
- Patrick S L Kwan
- Clinical Development, New Zealand Blood Service, Auckland, New Zealand
| | - Susy Kirwan
- Clinical Development, New Zealand Blood Service, Auckland, New Zealand
| | - Alice Tuinukuafe
- Cellular and Tissue Laboratory, New Zealand Blood Service, Auckland, New Zealand
| | - Sarah Morley
- Clinical Development, New Zealand Blood Service, Auckland, New Zealand
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Noorman F, Rijnhout TWH, de Kort B, Hoencamp R. Frozen for combat: Quality of deep-frozen thrombocytes, produced and used by The Netherlands Armed Forces 2001-2021. Transfusion 2023; 63:203-216. [PMID: 36318083 PMCID: PMC10092739 DOI: 10.1111/trf.17166] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 09/19/2022] [Accepted: 10/08/2022] [Indexed: 01/15/2023]
Abstract
BACKGROUND The Netherlands Armed Forces (NLAF) are using -80°C deep-frozen thrombocyte concentrate (DTC) since 2001. The aim of this study is to investigate the effect of storage duration and alterations in production/measurement techniques on DTC quality. It is expected that DTC quality is unaffected by storage duration and in compliance with the European guidelines for fresh and cryopreserved platelets. STUDY DESIGN AND METHODS Pre-freeze and post-thaw product platelet content and recovery were collected to analyze the effects of dimethyl sulfoxide (DMSO) type, duration of frozen storage (DMSO-1 max 12 years and DMSO-2 frozen DTC max 4 years at -80°C) and type of plasma used to suspend DTC. Coagulation characteristics of thawed DTC, plasma and supernatant of DTC (2× 2500 G) were measured with Kaolin thromboelastography (TEG) and phospholipid (PPL) activity assay. RESULTS Platelet content and recovery of DTC is ±10%-15% lower in short-stored products and remained stable when stored beyond 0.5 years. Thawed DTC (n = 1724) were compliant to the European guidelines (98.1% post-thaw product recovery ≥50% from original product, 98.3% ≥200 × 109 platelets/unit). Compared to DMSO-1, products frozen with DMSO-2 showed ±8% reduced thaw-freeze recovery, a higher TEG clot strength (MA 58 [6] vs. 64 [8] mm) and same ±11 s PPL clotting time. The use of cold-stored thawed plasma instead of fresh thawed plasma did not influence product recovery or TEG-MA. DISCUSSION Regardless of alterations, product quality was in compliance with European guidelines and unaffected by storage duration up to 12 years of -80°C frozen storage.
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Affiliation(s)
- Femke Noorman
- Military Blood Bank, Ministry of Defense, Utrecht, The Netherlands
| | - Tim W H Rijnhout
- Department of Surgery, Alrijne Medical Centre, Leiderdorp, The Netherlands.,Trauma Research Unit Department of Surgery, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands
| | - Bob de Kort
- Military Blood Bank, Ministry of Defense, Utrecht, The Netherlands
| | - Rigo Hoencamp
- Department of Surgery, Alrijne Medical Centre, Leiderdorp, The Netherlands.,Trauma Research Unit Department of Surgery, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands.,Defense Healthcare Organization, Ministry of Defense, Utrecht, The Netherlands.,Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
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Abstract
There is a crucial need for platelet transfusion during an emergency-surgery and treatment of platelet disorders. The unavailability of donors has furthermore increased the demand for platelet storage. Platelets have limited shelf life due to bacterial contamination and storage lesions. Temperature, materials, oxygen availability, media, platelet processing and manufacturing methods influence the platelet quality and viability during storage. The conception of various platelet additive solutions along with the advent of plastic storage during the 1980s led to enormous developments in platelet storage strategies. Cold storage of platelets gained attention despite its inability to contribute to platelet survival post-transfusion as it offers faster haemostasis. Several developments in platelet storage strategies over the years have improved the quality and shelf-life of stored platelets. Despite the progress, the efficacy of platelets during storage beyond a week has not been achieved. Antioxidants as additives have been explored in platelet storage and have proven to enhance the efficacy of platelets during prolonged storage. However, the molecular interactions of antioxidants in platelets can provide a better understanding of their mechanism of action. Optimization of dosage concentrations of antioxidants is also a critical parameter to be considered as they tend to exhibit toxicity at certain levels. This review provides comprehensive insights into the critical factors affecting platelet storage and the evolution of platelet storage. It also emphasizes the role of antioxidants as additives in platelet storage solutions and their future prospects towards better platelet banking.
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Affiliation(s)
- Vani Rajashekaraiah
- Department of Biotechnology, School of Sciences, JAIN (Deemed-to-be University), #34, 1st Cross, JC Road, Bengaluru, 560027, India.
| | - Magdaline Christina Rajanand
- Department of Biotechnology, School of Sciences, JAIN (Deemed-to-be University), #34, 1st Cross, JC Road, Bengaluru, 560027, India
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Jimenez-Marco T, Castrillo A, Hierro-Riu F, Vicente V, Rivera J. Frozen and cold-stored platelets: reconsidered platelet products. Platelets 2021; 33:27-34. [PMID: 34423718 DOI: 10.1080/09537104.2021.1967917] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Platelet transfusion, both prophylactic and therapeutic, is a key element in modern medicine. Currently, the standard platelet product for clinical use is platelet concentrates at room temperature (20-24°C) under gentle agitation. As this temperature favors bacterial growth, storage is limited to 5-7 days, which result in high wastage rate, and complicates inventory and product availability at remote areas. Frozen and/or cold storage would ameliorate those disadvantages by reducing the risk of bacterial contamination and by extending the product shelf-life to weeks or even years. Consequently, the usefulness in transfusion medicine of platelet cryopreservation and refrigeration, two old and scarcely used platelet storage approaches, is reemerging. Indeed, there have been substantial recent research efforts to characterize both cold and cryopreserved platelets. Most recent studies indicate that cryopreserved and cold platelets display a pro-coagulant profile that may produce the rapid hemostatic response which is needed in bleeding patients. Thus, it seems appropriate that blood banks and blood transfusion centers explore the possibility of split platelet inventories consisting of platelets stored at room temperature and cryopreserved and cold-stored platelets.
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Affiliation(s)
- Teresa Jimenez-Marco
- Fundació Banc De Sang I Teixits De Les Illes Balears, Majorca, Spain.,Institut d'Investigació Sanitària Illes Balears (Idisba), Majorca, Spain
| | - Azucena Castrillo
- Axencia Galega De Sangue, Órganos E Tecidos. Santiago De Compostela, A Coruña, Spain
| | | | - Vicente Vicente
- Servicio De Hematología Y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional De Hemodonación, Universidad De Murcia, IMIB-Arrixaca, Murcia, Spain
| | - José Rivera
- Servicio De Hematología Y Oncología Médica, Hospital Universitario Morales Meseguer, Centro Regional De Hemodonación, Universidad De Murcia, IMIB-Arrixaca, Murcia, Spain
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Schubert P, Johnson L, Culibrk B, Chen Z, Tan S, Marks DC, Devine DV. Reconstituted cryopreserved platelets synthesize proteins during short-term storage and packaging a defined subset into microvesicles. Transfusion 2021; 61:2549-2555. [PMID: 34121199 DOI: 10.1111/trf.16542] [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: 04/17/2021] [Revised: 05/21/2021] [Accepted: 05/23/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Cryopreservation of platelets (PLTs) could allow extension of their shelf-life to years, compared to days for liquid stored platelets. Due to their greater hemostatic effect, reconstituted cryopreserved platelets (cryo-PLTs) would be able to support bleeding emergencies. Since protein synthesis has been linked to PLT functions, such as clot formation and immune responses, the translational capacity of reconstituted cryo-PLTs was assessed upon thawing and short-term storage. METHODS/MATERIALS Platelets were frozen at -80°C with 5-6% DMSO. Upon thawing, they were reconstituted in plasma and then aliquoted (12 ml) into mini-bags and assessed over 24 h of storage at RT. One series served as control; the second and third series were spiked with either 300 μM puromycin (Pm) or 227 nM biotin-labeled Pm. Samples were tested for in vitro quality and PLT microvesicle enumeration by flow cytometry. Protein synthesis in cryo-PLTs was assessed using a modified method based on puromycin-associated nascent chain proteomics. RESULTS In vitro parameters of reconstituted and subsequently stored platelets were consistent with previously published results. Mass-spectrometry analyses identified that 22 proteins were synthesized in PLTs and 13 of those were observed in platelet microvesicles (PMVs). CONCLUSION Cryo-PLTs can synthesize proteins upon reconstitution and storage. Discovery of a subset of these proteins in the PMV suggests a role in vesicle encapsulation, possibly in a selective manner. This observation provides novel insights into the capacity for protein synthesis in cryo-PLTs and the potential regulation of protein packaging into PMV.
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Affiliation(s)
- Peter Schubert
- Centre for Innovation, Canadian Blood Services, Vancouver, British Columbia, Canada.,Centre for Blood Research, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Lacey Johnson
- Research and Development, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia
| | - Brankica Culibrk
- Centre for Innovation, Canadian Blood Services, Vancouver, British Columbia, Canada.,Centre for Blood Research, Vancouver, British Columbia, Canada
| | - Zhongming Chen
- Centre for Innovation, Canadian Blood Services, Vancouver, British Columbia, Canada.,Centre for Blood Research, Vancouver, British Columbia, Canada
| | - Shereen Tan
- Research and Development, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia
| | - Denese C Marks
- Research and Development, Australian Red Cross Lifeblood, Alexandria, New South Wales, Australia.,Sydney Medical School, University of Sydney, Camperdown, New South Wales, Australia
| | - Dana V Devine
- Centre for Innovation, Canadian Blood Services, Vancouver, British Columbia, Canada.,Centre for Blood Research, Vancouver, British Columbia, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
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