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Rademacher MP, Rohn T, Haselbach W, Ott AT, Bringmann PW, Gilch P. Spectroscopic view on the interaction between the psoralen derivative amotosalen and DNA. Photochem Photobiol Sci 2024; 23:693-709. [PMID: 38457118 DOI: 10.1007/s43630-024-00545-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 02/01/2024] [Indexed: 03/09/2024]
Abstract
Psoralens are eponymous for PUVA (psoralen plus UV-A radiation) therapy, which inter alia can be used to treat various skin diseases. Based on the same underlying mechanism of action, the synthetic psoralen amotosalen (AMO) is utilized in the pathogen reduction technology of the INTERCEPT® Blood System to inactivate pathogens in plasma and platelet components. The photophysical behavior of AMO in the absence of DNA is remarkably similar to that of the recently studied psoralen 4'-aminomethyl-4,5',8-trimethylpsoralen (AMT). By means of steady-state and time-resolved spectroscopy, intercalation and photochemistry of AMO and synthetic DNA were studied. AMO intercalates with a higher affinity into A,T-only DNA (KD = 8.9 × 10-5 M) than into G,C-only DNA (KD = 6.9 × 10-4 M). AMO covalently photobinds to A,T-only DNA with a reaction quantum yield of ΦR = 0.11. Like AMT, it does not photoreact following intercalation into G,C-only DNA. Femto- and nanosecond transient absorption spectroscopy reveals the characteristic pattern of photobinding to A,T-only DNA. For AMO and G,C-only DNA, signatures of a photoinduced electron transfer are recorded.
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Affiliation(s)
- Michelle P Rademacher
- Institut für Physikalische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Tim Rohn
- Institut für Physikalische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - Wiebke Haselbach
- Institut für Physikalische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | - A Theresa Ott
- Institut für Physikalische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany
| | | | - Peter Gilch
- Institut für Physikalische Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225, Düsseldorf, Germany.
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2
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Drews SJ, Kjemtrup AM, Krause PJ, Lambert G, Leiby DA, Lewin A, O'Brien SF, Renaud C, Tonnetti L, Bloch EM. Transfusion-transmitted Babesia spp.: a changing landscape of epidemiology, regulation, and risk mitigation. J Clin Microbiol 2023; 61:e0126822. [PMID: 37750699 PMCID: PMC10595070 DOI: 10.1128/jcm.01268-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023] Open
Abstract
Babesia spp. are tick-borne parasites with a global distribution and diversity of vertebrate hosts. Over the next several decades, climate change is expected to impact humans, vectors, and vertebrate hosts and change the epidemiology of Babesia. Although humans are dead-end hosts for tick-transmitted Babesia, human-to-human transmission of Babesia spp. from transfusion of red blood cells and whole blood-derived platelet concentrates has been reported. In most patients, transfusion-transmitted Babesia (TTB) results in a moderate-to-severe illness. Currently, in North America, most cases of TTB have been described in the United States. TTB cases outside North America are rare, but case numbers may change over time with increased recognition of babesiosis and as the epidemiology of Babesia is impacted by climate change. Therefore, TTB is a concern of microbiologists working in blood operator settings, as well as in clinical settings where transfusion occurs. Microbiologists play an important role in deploying blood donor screening assays in Babesia endemic regions, identifying changing risks for Babesia in non-endemic areas, investigating recipients of blood products for TTB, and drafting TTB policies and guidelines. In this review, we provide an overview of the clinical presentation and epidemiology of TTB. We identify approaches and technologies to reduce the risk of collecting blood products from Babesia-infected donors and describe how investigations of TTB are undertaken. We also describe how microbiologists in Babesia non-endemic regions can assess for changing risks of TTB and decide when to focus on laboratory-test-based approaches or pathogen reduction to reduce TTB risk.
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Affiliation(s)
- Steven J. Drews
- Microbiology, Donation Policy and Studies, Canadian Blood Services, Edmonton, Alberta, Canada
- Department of Laboratory Medicine and Pathology, Division of Diagnostic and Applied Microbiology, University of Alberta, Edmonton, Alberta, Canada
| | - Anne M. Kjemtrup
- California Department of Public Health, Vector-Borne Disease Section, Sacramento, California, USA
| | - Peter J. Krause
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health and Yale School of Medicine, New Haven, Connecticut, USA
| | - Grayson Lambert
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health and Yale School of Medicine, New Haven, Connecticut, USA
| | - David A. Leiby
- Department of Microbiology, Immunology, and Tropical Medicine, George Washington University, Washington, USA
| | - Antoine Lewin
- Epidemiology, Surveillance and Biological Risk Assessment, Medical Affairs and Innovation, Héma-Québec, Montréal, Quebec, Canada
- Département d'Obstétrique et de Gynécologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Sheila F. O'Brien
- Epidemiology and Surveillance, Canadian Blood Services, Donation Policy and Studies, Ottawa, Ontario, Canada
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada
| | - Christian Renaud
- Department of Microbiology, CHU Sainte-Justine, Université de Montréal, Montréal, Quebec, Canada
| | - Laura Tonnetti
- American Red Cross, Scientific Affairs, Holland Laboratories for the Biomedical Sciences, Rockville, Maryland, USA
| | - Evan M. Bloch
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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3
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Brouard N, Pissenem-Rudwill F, Mouriaux C, Haas D, Galvanin A, Kientz D, Mangin PH, Isola H, Hechler B. Biochemical and functional characteristics of stored (double-dose) buffy-coat platelet concentrates treated with amotosalen and a prototype UVA light-emitting diode illuminator. Transfusion 2023; 63:1937-1950. [PMID: 37615493 DOI: 10.1111/trf.17519] [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: 03/13/2023] [Revised: 06/08/2023] [Accepted: 07/12/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND Pathogen reduction of platelet concentrates (PCs) using amotosalen and broad-spectrum UVA illumination contributes to the safety of platelet transfusion by reducing the risk of transfusion-transmitted infections. We evaluated the in vitro quality of stored buffy-coat (BC) PCs treated with amotosalen and a prototype light-emitting diode (LED) illuminator. METHODS Double-dose BC-PCs collected into PAS-III/plasma or SSP+ /plasma (55/45%) were treated with amotosalen in combination with either conventional UVA lamps (INT100 Illuminator 320-400 nm) or LED illuminators at 350 nm. Platelet quality and function were evaluated over 7 days. RESULTS Platelet counts were conserved during storage in all groups, as was platelet swirling without appearance of macroscopic aggregates. Integrin αIIbβ3 and glycoprotein (GP) VI expression remained stable, whereas GPIbα and GPV declined similarly in all groups. UV lamp- and LED-treated PCs displayed similar glucose consumption, lactate generation, and pH variation. Comparable spontaneous and residual P-selectin and phosphatidylserine exposure, activated αIIbβ3 exposure, mitochondrial membrane potential, lactate dehydrogenase release, and adhesive properties under flow conditions were observed during storage. The use of SSP+ /plasma compared with PAS-III/plasma better preserved most of these parameters, especially during late storage, irrespective of the type of illuminator. CONCLUSION Replacing the UVA lamp for photochemical treatment by LED illuminators had no impact on platelet metabolism, spontaneous activation, apoptosis or viability, or on the in vitro function of BC-PCs stored for 7 days in SSP+ or PAS-III/plasma. These findings support improved procedures for the pathogen reduction and storage of PCs, to ensure transfusion safety and retention of platelet functional properties.
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Affiliation(s)
- Nathalie Brouard
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | | | - Clarisse Mouriaux
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Delphine Haas
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Adeline Galvanin
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Daniel Kientz
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Pierre H Mangin
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Hervé Isola
- Etablissement Français du Sang (EFS) Grand Est, Strasbourg, France
| | - Béatrice Hechler
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
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Burnouf T, Chou ML, Lundy DJ, Chuang EY, Tseng CL, Goubran H. Expanding applications of allogeneic platelets, platelet lysates, and platelet extracellular vesicles in cell therapy, regenerative medicine, and targeted drug delivery. J Biomed Sci 2023; 30:79. [PMID: 37704991 PMCID: PMC10500824 DOI: 10.1186/s12929-023-00972-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 08/23/2023] [Indexed: 09/15/2023] Open
Abstract
Platelets are small anucleated blood cells primarily known for their vital hemostatic role. Allogeneic platelet concentrates (PCs) collected from healthy donors are an essential cellular product transfused by hospitals to control or prevent bleeding in patients affected by thrombocytopenia or platelet dysfunctions. Platelets fulfill additional essential functions in innate and adaptive immunity and inflammation, as well as in wound-healing and tissue-repair mechanisms. Platelets contain mitochondria, lysosomes, dense granules, and alpha-granules, which collectively are a remarkable reservoir of multiple trophic factors, enzymes, and signaling molecules. In addition, platelets are prone to release in the blood circulation a unique set of extracellular vesicles (p-EVs), which carry a rich biomolecular cargo influential in cell-cell communications. The exceptional functional roles played by platelets and p-EVs explain the recent interest in exploring the use of allogeneic PCs as source material to develop new biotherapies that could address needs in cell therapy, regenerative medicine, and targeted drug delivery. Pooled human platelet lysates (HPLs) can be produced from allogeneic PCs that have reached their expiration date and are no longer suitable for transfusion but remain valuable source materials for other applications. These HPLs can substitute for fetal bovine serum as a clinical grade xeno-free supplement of growth media used in the in vitro expansion of human cells for transplantation purposes. The use of expired allogeneic platelet concentrates has opened the way for small-pool or large-pool allogeneic HPLs and HPL-derived p-EVs as biotherapy for ocular surface disorders, wound care and, potentially, neurodegenerative diseases, osteoarthritis, and others. Additionally, allogeneic platelets are now seen as a readily available source of cells and EVs that can be exploited for targeted drug delivery vehicles. This article aims to offer an in-depth update on emerging translational applications of allogeneic platelet biotherapies while also highlighting their advantages and limitations as a clinical modality in regenerative medicine and cell therapies.
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Affiliation(s)
- Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.
- International Ph.D. Program in Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Institute of Clinical Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - David J Lundy
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Er-Yuan Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ching-Li Tseng
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Hadi Goubran
- Saskatoon Cancer Centre and College of Medicine, University of Saskatchewan, Saskatchewan, Canada
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Hindawi S, Elgemmezi T, A El-Kafrawy S, Samadani H, Tilmisani M, Assiri O, Raml M, I Azhar E, Badawi M. Assessment of the impact of pathogen reduction technologies on the neutralizing activity of COVID-19 convalescent plasma. Transfus Apher Sci 2023:103688. [PMID: 36922242 PMCID: PMC9984302 DOI: 10.1016/j.transci.2023.103688] [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: 09/30/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/07/2023]
Abstract
COVID-19 convalescent plasma (CCP) could improve the clinical outcome of COVID-19 patients when high-titer CCP is administered in early stages of disease. However, CCP donors have a risk profile like first-time donors, pathogen reduction treatment (PRT) may mitigate such risk but should not impact CCP quality. The current study aims to assess the impact of PRT-technologies available in Saudi Arabia on the neutralizing activity of CCP. STUDY DESIGN: and Methods: CCP was collected from eligible donors by plasmapheresis. The neutralization titer was determined with an in-house microneutralization assay (MNA) using a local SARS-CoV-2 clinical isolate. Selected units were split and subject to PRT with amotosalen/UVA (AS) or Riboflavin/UVB (RB) (pairwise side-by-side comparison) followed by a second MNA analysis. 51 CCP units were collected, 27 were included in the analysis reaching the minimum MNA titer of 1:40 (4 reached high titer (≥1:250)). 27 CCP units were treated with AS and 14 with RB, the median MNA pre-treatment titer was 1:80 (1:40-640). The impact of AS and RB PRT on CCP neutralizing activity was not significantly different, nor in the total analysis neither in the pairwise comparison (94.6 vs 96.4 % retention, p > 0.05). No correlation of titer and blood group was observed, but a trend for increasing MNA titer with donor age, choosing donors with an age > 45 years would increase the number of high-titer CCP donors. The difference in impact of AS and RB on CCP MNA titer was below the limit of detection of the assay (0.5-fold).
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Affiliation(s)
- Salwa Hindawi
- Department of Hematology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Tarek Elgemmezi
- Blood Transfusion Services, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Sherif A El-Kafrawy
- Special Infectious Agents Unit BSL3, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hani Samadani
- Blood Transfusion Services, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Mayasim Tilmisani
- Blood Transfusion Services, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Omar Assiri
- Blood Transfusion Services, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Mohammad Raml
- Blood Transfusion Services, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Esam I Azhar
- Special Infectious Agents Unit BSL3, King Fahd Medical Research Center and Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Maha Badawi
- Department of Hematology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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6
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Li XF, Lu P, Jia HR, Li G, Zhu B, Wang X, Wu FG. Emerging materials for hemostasis. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Tsalas S, Petrou E, Tsantes AG, Sokou R, Loukopoulou E, Houhoula D, Mantzios PG, Kriebardis AG, Tsantes AE. Pathogen Reduction Technologies and Their Impact on Metabolic and Functional Properties of Treated Platelet Concentrates: A Systematic Review. Semin Thromb Hemost 2022. [PMID: 36252605 DOI: 10.1055/s-0042-1757897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Pathogen reduction technologies (PRTs) such as Mirasol and Intercept were developed to eliminate transfusion-transmitted infections. The impact of PRTs on platelet function during the storage period, their effect on platelet storage lesions, and the optimal storage duration following PRTs have not been clearly defined. The aim of this study was to systematically review the existing literature and investigate the impact of PRTs on functional alterations of PRT-treated platelets during the storage period. The authors identified 68 studies suitable to be included in this review. Despite the high heterogeneity in the literature, the results of the published studies indicate that PRTs may increase platelet metabolic activity, accelerate cell apoptosis, and enhance platelet activation, which can subsequently lead to a late exhaustion of activation potential and reduced aggregation response. However, these effects have a minor impact on platelet function during the early storage period and become more prominent beyond the fifth day of the storage period. Large in vivo trials are required to evaluate the effectiveness of PRT-treated platelets during the storage period and investigate whether their storage can be safely extended to more than 5 days, and up to the traditional 7-day storage period.
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Affiliation(s)
- Stavros Tsalas
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Eleni Petrou
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Andreas G Tsantes
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Rozeta Sokou
- Neonatal Intensive Care Unit, "Agios Panteleimon" General Hospital of Nikea, Nikea, Piraeus, Greece
| | - Electra Loukopoulou
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitra Houhoula
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros G Mantzios
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasios G Kriebardis
- Laboratory of Reliability and Quality Control in Laboratory Hematology, Department of Biomedical Science, School of Health and Caring Science, University of West Attica, Athens, Greece
| | - Argirios E Tsantes
- Laboratory of Haematology and Blood Bank Unit, "Attiko" Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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Rosell-Valle C, Martín-López M, Campos F, Chato-Astrain J, Campos-Cuerva R, Alaminos M, Santos González M. Inactivation of human plasma alters the structure and biomechanical properties of engineered tissues. Front Bioeng Biotechnol 2022; 10:908250. [PMID: 36082161 PMCID: PMC9445835 DOI: 10.3389/fbioe.2022.908250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 07/26/2022] [Indexed: 11/13/2022] Open
Abstract
Fibrin is widely used for tissue engineering applications. The use of blood derivatives, however, carries a high risk of transmission of infectious agents, necessitating the application of pathogen reduction technology (PRT). The impact of this process on the structural and biomechanical properties of the final products is unknown. We used normal plasma (PLc) and plasma inactivated by riboflavin and ultraviolet light exposure (PLi) to manufacture nanostructured cellularized fibrin-agarose hydrogels (NFAHs), and then compared their structural and biomechanical properties. We also measured functional protein C, prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT) and coagulation factors [fibrinogen, Factor (F) V, FVIII, FX, FXI, FXIII] in plasma samples before and after inactivation. The use of PLi to manufacture cellularized NFAHs increased the interfibrillar spacing and modified their biomechanical properties as compared with cellularized NFAH manufactured with PLc. PLi was also associated with a significant reduction in functional protein C, FV, FX, and FXI, and an increase in the international normalized ratio (derived from the PT), APTT, and TT. Our findings demonstrate that the use of PRT for fibrin-agarose bioartificial tissue manufacturing does not adequately preserve the structural and biomechanical properties of the product. Further investigations into PRT-induced changes are warranted to determine the applications of NFAH manufactured with inactivated plasma as a medicinal product.
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Affiliation(s)
- Cristina Rosell-Valle
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
| | - María Martín-López
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
- Escuela Internacional de Doctorado Universidad de Sevilla, Seville, Spain
| | - Fernando Campos
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. Granada, Granada, Spain
| | - Jesús Chato-Astrain
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. Granada, Granada, Spain
| | - Rafael Campos-Cuerva
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
- Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), Seville, Spain
| | - Miguel Alaminos
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. Granada, Granada, Spain
| | - Mónica Santos González
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
- Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), Seville, Spain
- *Correspondence: Mónica Santos González,
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9
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González MB, Cuerva RC, Muñoz BF, Rosell-Valle C, López MM, Arribas BA, Montiel MÁ, Sánchez GC, González MS. Optimization of human platelet lysate production and pathogen reduction in a public blood transfusion center. Transfusion 2022; 62:1839-1849. [PMID: 35924726 DOI: 10.1111/trf.17045] [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: 04/06/2022] [Revised: 06/26/2022] [Accepted: 06/29/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Human platelet lysate (HPL) has been proposed as a safe and efficient xeno-free alternative to fetal bovine serum (FBS) for large-scale culturing of cell-based medicinal products. However, the use of blood derivatives poses a potential risk of pathogen transmission. To mitigate this risk, different pathogen reduction treatment (PRT) practices can be applied on starting materials or on final products, but these methods might modify the final composition and the quality of the products. STUDY DESIGN AND METHODS We evaluated the impact of applying a PRT based on riboflavin and ultraviolet irradiation on the raw materials used to manufacture an improved Good Manufacturing Practices (GMP)-grade HPL product in a public blood center. Growth promotion and the levels of growth factors and proteins were compared between an inactivated product (HPL4-i) and a non-inactivated product (HPL4). Stability studies were performed at 4°C, -20°C, and -80°C. RESULTS The application of a PRT on the starting materials significantly altered the protein composition of HPL4-i as compared with HPL4. Despite this, the growth promoting rates were unaffected when compared with FBS used as a control. While all products were stable at -20°C and -80°C for 24 months, a significant decrease in the activity of HPL4-i was observed when stored at 4°C. CONCLUSION Our results show that the application of a PRT based on riboflavin and ultraviolet light on starting materials used in the manufacture of HPL modifies the final composition of the product, yet its cell growth promoting activity is maintained at levels similar to those of non-inactivated products.
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Affiliation(s)
- María Bermejo González
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain.,PhD Program in Biología Molecular, Biomedicina e Investigación Clínica, University of Seville, Seville, Spain
| | - Rafael Campos Cuerva
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain.,Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), Seville, Spain
| | - Beatriz Fernández Muñoz
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
| | - Cristina Rosell-Valle
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
| | - María Martín López
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
| | - Blanca Arribas Arribas
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain.,PhD Program in Pharmaceutical Technology and Medicine Sciences (Pharmacy), University of Seville, Seville, Spain
| | - Migue Ángel Montiel
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain.,PhD Program in Pharmaceutical Technology and Medicine Sciences (Pharmacy), University of Seville, Seville, Spain
| | - Gloria Carmona Sánchez
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain.,PhD Program in Biomedicine, University of Granada, Granada, Spain
| | - Mónica Santos González
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC) Red Andaluza de Diseño y, Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain.,Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), Seville, Spain
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10
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Arnason NA, Johannsson F, Landrö R, Hardarsson B, Gudmundsson S, Lian AM, Reseland J, Rolfsson O, Sigurjonsson OE. Protein Concentrations in Stored Pooled Platelet Concentrates Treated with Pathogen Inactivation by Amotosalen Plus Ultraviolet a Illumination. Pathogens 2022; 11:pathogens11030350. [PMID: 35335674 PMCID: PMC8954553 DOI: 10.3390/pathogens11030350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 02/04/2023] Open
Abstract
Platelet granules contain a diverse group of proteins. Upon activation and during storage, platelets release a number of proteins into the circulation or supernatant of stored platelet concentrate (PC). The aim of this work was to investigate the effect of pathogen inactivation (PI) on a selection of proteins released in stored platelets. Materials and Methods: PCs in platelet additive solution (PAS) were produced from whole blood donations using the buffy coat (BC) method. PCs in the treatment arm were pathogen inactivated with amotosalen and UVA, while PCs in the second arm were used as an untreated platelet control. Concentrations of 36 proteins were monitored in the PCs during storage. Results: The majority of proteins increased in concentration over the storage period. In addition, 10 of the 29 proteins that showed change had significantly different concentrations between the PI treatment and the control at one or more timepoints. A subset of six proteins displayed a PI-related drop in concentration. Conclusions: PI has limited effect on protein concentration stored PC supernatant. The protein’s changes related to PI treatment with elevated concentration implicate accelerated Platelet storage lesion (PSL); in contrast, there are potential novel benefits to PI related decrease in protein concentration that need further investigation.
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Affiliation(s)
- Niels Arni Arnason
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
- School of Engineering, Reykjavik University, 105 Reykjavik, Iceland
| | - Freyr Johannsson
- Department of Medicine, University of Iceland, 105 Reykjavik, Iceland; (F.J.); (O.R.)
| | - Ragna Landrö
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
| | - Björn Hardarsson
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
| | - Sveinn Gudmundsson
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
| | - Aina-Mari Lian
- Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (A.-M.L.); (J.R.)
| | - Janne Reseland
- Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, 0317 Oslo, Norway; (A.-M.L.); (J.R.)
| | - Ottar Rolfsson
- Department of Medicine, University of Iceland, 105 Reykjavik, Iceland; (F.J.); (O.R.)
| | - Olafur E. Sigurjonsson
- The Blood Bank, Landspitali-The National University Hospital of Iceland, 105 Reykjavik, Iceland; (N.A.A.); (R.L.); (B.H.); (S.G.)
- School of Engineering, Reykjavik University, 105 Reykjavik, Iceland
- Correspondence: ; Tel.: +354-543-5523 or +354-694-9427; Fax: +354-543-5532
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11
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Rosell-Valle C, Martín-López M, Campos F, Chato-Astrain J, Campos-Cuerva R, Alaminos M, Santos González M. Inactivation of human plasma alters the structure and biomechanical properties of engineered tissues. Front Bioeng Biotechnol 2022. [PMID: 36082161 DOI: 10.3389/fbioe.2022.908250/full] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
Fibrin is widely used for tissue engineering applications. The use of blood derivatives, however, carries a high risk of transmission of infectious agents, necessitating the application of pathogen reduction technology (PRT). The impact of this process on the structural and biomechanical properties of the final products is unknown. We used normal plasma (PLc) and plasma inactivated by riboflavin and ultraviolet light exposure (PLi) to manufacture nanostructured cellularized fibrin-agarose hydrogels (NFAHs), and then compared their structural and biomechanical properties. We also measured functional protein C, prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT) and coagulation factors [fibrinogen, Factor (F) V, FVIII, FX, FXI, FXIII] in plasma samples before and after inactivation. The use of PLi to manufacture cellularized NFAHs increased the interfibrillar spacing and modified their biomechanical properties as compared with cellularized NFAH manufactured with PLc. PLi was also associated with a significant reduction in functional protein C, FV, FX, and FXI, and an increase in the international normalized ratio (derived from the PT), APTT, and TT. Our findings demonstrate that the use of PRT for fibrin-agarose bioartificial tissue manufacturing does not adequately preserve the structural and biomechanical properties of the product. Further investigations into PRT-induced changes are warranted to determine the applications of NFAH manufactured with inactivated plasma as a medicinal product.
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Affiliation(s)
- Cristina Rosell-Valle
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
| | - María Martín-López
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
- Escuela Internacional de Doctorado Universidad de Sevilla, Seville, Spain
| | - Fernando Campos
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. Granada, Granada, Spain
| | - Jesús Chato-Astrain
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. Granada, Granada, Spain
| | - Rafael Campos-Cuerva
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
- Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), Seville, Spain
| | - Miguel Alaminos
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria ibs. Granada, Granada, Spain
| | - Mónica Santos González
- Unidad de Producción y Reprogramación Celular de Sevilla (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RADyTTA), Seville, Spain
- Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), Seville, Spain
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12
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Delcanale P, Abbruzzetti S, Viappiani C. Photodynamic treatment of pathogens. LA RIVISTA DEL NUOVO CIMENTO 2022; 45:407-459. [PMCID: PMC8921710 DOI: 10.1007/s40766-022-00031-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 01/10/2022] [Indexed: 06/01/2023]
Abstract
The current viral pandemic has highlighted the compelling need for effective and versatile treatments, that can be quickly tuned to tackle new threats, and are robust against mutations. Development of such treatments is made even more urgent in view of the decreasing effectiveness of current antibiotics, that makes microbial infections the next emerging global threat. Photodynamic effect is one such method. It relies on physical processes proceeding from excited states of particular organic molecules, called photosensitizers, generated upon absorption of visible or near infrared light. The excited states of these molecules, tailored to undergo efficient intersystem crossing, interact with molecular oxygen and generate short lived reactive oxygen species (ROS), mostly singlet oxygen. These species are highly cytotoxic through non-specific oxidation reactions and constitute the basis of the treatment. In spite of the apparent simplicity of the principle, the method still has to face important challenges. For instance, the short lifetime of ROS means that the photosensitizer must reach the target within a few tens nanometers, which requires proper molecular engineering at the nanoscale level. Photoactive nanostructures thus engineered should ideally comprise a functionality that turns the system into a theranostic means, for instance, through introduction of fluorophores suitable for nanoscopy. We discuss the principles of the method and the current molecular strategies that have been and still are being explored in antimicrobial and antiviral photodynamic treatment.
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Affiliation(s)
- Pietro Delcanale
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università degli Studi di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy
| | - Stefania Abbruzzetti
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università degli Studi di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy
| | - Cristiano Viappiani
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università degli Studi di Parma, Parco Area delle Scienze 7A, 43124 Parma, Italy
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13
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Escolar G, Diaz-Ricart M, McCullough J. Impact of different pathogen reduction technologies on the biochemistry, function, and clinical effectiveness of platelet concentrates: An updated view during a pandemic. Transfusion 2021; 62:227-246. [PMID: 34870335 PMCID: PMC9300014 DOI: 10.1111/trf.16747] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 09/03/2021] [Accepted: 10/06/2021] [Indexed: 12/25/2022]
Abstract
Standard platelet concentrates (PCs) stored at 22°C have a limited shelf life of 5 days. Because of the storage temperature, bacterial contamination of PCs can result in life‐threatening infections in transfused patients. The potential of blood components to cause infections through contaminating pathogens or transmitting blood‐borne diseases has always been a concern. The current safety practice to prevent pathogen transmission through blood transfusion starts with a stringent screening of donors and regulated testing of blood samples to ensure that known infections cannot reach transfusion products. Pathogen reduction technologies (PRTs), initially implemented to ensure the safety of plasma products, have been adapted to treat platelet products. In addition to reducing bacterial contamination, PRT applied to PCs can extend their shelf life up to 7 days, alleviating the impact of their shortage, while providing an additional safety layer against emerging blood‐borne infectious diseases. While a deleterious action of PRTs in quantitative and qualitative aspects of plasma is accepted, the impact of PRTs on the quality, function, and clinical efficacy of PCs has been under constant examination. The potential of PRTs to prevent the possibility of new emerging diseases to reach cellular blood components has been considered more hypothetical than real. In 2019, a coronavirus‐related disease (COVID‐19) became a pandemic. This episode should help when reconsidering the possibility of future blood transmissible threats. The following text intends to evaluate the impact of different PRTs on the quality, function, and clinical effectiveness of platelets within the perspective of a developing pandemic.
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Affiliation(s)
- Gines Escolar
- Department of Hematopathology, Centre Diagnostic Biomedic, Hospital Clinic, Barcelona, Spain
| | - Maribel Diaz-Ricart
- Department of Hematopathology, Centre Diagnostic Biomedic, Hospital Clinic, Barcelona, Spain
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14
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Hosseini E, Kianinodeh F, Ghasemzadeh M. Irradiation of platelets in Transfusion Medicine: risk and benefit judgments. Platelets 2021; 33:666-678. [PMID: 34697994 DOI: 10.1080/09537104.2021.1990250] [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: 10/20/2022]
Abstract
Irradiation of platelet products is generally used to prevent transfusion-associated graft-versus-host disease (TA-GvHD) as well as transfusion-transmitted infections. As an essential prerequisite, gamma-irradiation of blood products prior to transfusion is required in patients who may develop TA-GVHD. Most studies suggest that gamma irradiation has no significant effect on the quality of platelet products; however, more recent studies have shown that the oxidative effects of gamma irradiation can lead to the induction of platelet storage lesion (PSL) and to some extent reduce the efficiency of transfused platelets. As the second widely used irradiation technique, UV-illumination was primarily introduced to reduce the growth of infectious agents during platelet storage, with the advantage that this method can also prevent TA-GvHD. However, the induction of oxidative conditions and platelet pre-activation that lead to PSL is more pronounced after UV-based methods of pathogen reduction. Since these lesions are large enough to clearly affect the post-transfusion platelet recovery and survival, more studies are needed to improve the safety and effectiveness of pathogen reduction technologies (PRTs). Therefore, pointing to other benefits of PRTs, such as preventing TA-GvHD or prolonging the shelf life of products by eliminating the possibility of pathogen growth during storage, does not yet seem to justify their widespread use due to above-mentioned effects. Even for gamma-irradiated platelets, some researchers have suggested that due to decreased 1-hour post-transfusion increments and increased risk of platelet refractoriness, their use should be limited to the patients who may develop TA-GVHD. It is noteworthy that due to the effect of X-rays in preventing TA-GvHD, some recent studies are underway to examine its effects on the quality and effectiveness of platelet products and determine whether X-rays can be used as a more appropriate and cost-effective alternative to gamma radiation. The review presented here provides a detailed description about irradiation-based technologies for platelet products, including their applications, mechanistic features, advantages, and disadvantages.
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Affiliation(s)
- Ehteramolsadat Hosseini
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Fatemeh Kianinodeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
| | - Mehran Ghasemzadeh
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
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15
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Barro L, Delila L, Nebie O, Wu YW, Knutson F, Watanabe N, Takahara M, Burnouf T. Removal of minute virus of mice-mock virus particles by nanofiltration of culture growth medium supplemented with 10% human platelet lysate. Cytotherapy 2021; 23:902-907. [PMID: 34238658 DOI: 10.1016/j.jcyt.2021.05.006] [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: 01/20/2021] [Revised: 03/22/2021] [Accepted: 05/07/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND AIMS Platelet concentrates (PCs) are pooled to prepare human platelet lysate (HPL) supplements of growth media to expand primary human cells for transplantation; this increases the risk of contamination by known, emerging, and unknown viruses. This possibility should be of concern because viral contamination of cell cultures is difficult to detect and may have detrimental consequences for recipients of cell therapies. Viral reduction treatments of chemically defined growth media have been proposed, but they are not applicable when media contain protein supplements currently needed to expand primary cell cultures. Recently, we successfully developed a Planova 35NPlanova 20N nanofiltration sequence of growth media supplemented with two types of HPL. The nanofiltered medium was found to be suitable for mesenchymal Stromal cell (MSC) expansion. METHODS Herein, we report viral clearance achieved by this nanofiltration process used for assessing a new experimental model using non-infectious minute virus of mice-mock virus particle (MVM-MVP) and its quantification by an immunoqPCR. Then, high doses of MVM-MVP (1012 MVPs/mL) were spiked to obtain a final concentration of 1010 MVPs/mL in Planova 35N-nanofiltered growth medium supplemented with both types of HPLs [serum converted platelet lysate SCPL) and intercept human platelet lysate (I-HPL)] at 10% (v/v) and then filtering through Planova 20N. RESULTS No substantial interference of growth medium matrices by the immune-qPCR assay was first verified. Log reduction values (LRVs) were ≥ 5.43 and ≥ 5.36 respectively, SCPL and I-HPL media. MVM-MVPs were also undetectable by dynamic light scattering and transmission electron microscopy. CONCLUSIONS The nanofiltration of growth media supplemented with 10% HPL provides robust removal of small nonenveloped viruses, and is an option to improve the safety of therapeutic cells expanded using HPL supplements.
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Affiliation(s)
- Lassina Barro
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Liling Delila
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Yu-Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Folke Knutson
- Clinical Immunology and Transfusion Medicine IGP, Uppsala University, Uppsala, Sweden
| | | | | | - Thierry Burnouf
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan; International Program in Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, Taiwan.
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16
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Abstract
Clinical data has supported the early use of plasma in high ratios of plasma to red cells to patients in hemorrhagic shock. The benefit from plasma seems to extend beyond its hemostatic effects to include protection to the post-shock dysfunctional endothelium. Resuscitation of the endothelium by plasma and one of its major constituents, fibrinogen, involves cell surface stabilization of syndecan-1, a transmembrane proteoglycan and the protein backbone of the endothelial glycocalyx. The pathogenic role of miRNA-19b to the endothelium is explored along with the PAK-1-mediated intracellular pathway that may link syndecan-1 to cytoskeletal protection. Additionally, clinical studies using fibrinogen and cyroprecipitate to aid in hemostasis of the bleeding patient are reviewed and new data to suggest a role for plasma and its byproducts to treat the dysfunctional endothelium associated with nonbleeding diseases is presented.
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17
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Malvaux N, Schuhmacher A, Defraigne F, Jacob R, Bah A, Cardoso M. Remodelling whole blood processing through automation and pathogen reduction technology at the Luxembourg Red Cross. Transfus Apher Sci 2021; 60:103195. [PMID: 34147359 DOI: 10.1016/j.transci.2021.103195] [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: 03/29/2021] [Revised: 06/02/2021] [Accepted: 06/11/2021] [Indexed: 11/26/2022]
Abstract
In 2014-2015, the Luxembourg Red Cross (LRC) implemented a fully automated system (FAS) able to process 4 whole blood units simultaneously, and a pathogen reduction technology (PRT) based on riboflavin and ultraviolet light to improve safety of platelet concentrates (PCs). In this observational study, the impact of both technologies to enable this centralised blood transfusion centre to provide safe and timely blood components supply for the whole country was analysed. Standard quality control parameters for blood components, productivity and safety were compared from data collected with the conventional semi- automated buffy coat method and with FAS/PRT. The FAS decreased processing time when compared with the buffy coat method and facilitated the daily routine at the LRC. Red blood cell concentrates, plasma units and PCs prepared with both methods were conform to the European Directorate for the Quality of Medicines & HealthCare specifications. PCs prepared by FAS showed high yields, with decreased variability when the device-related software (T-Pool Select) was used. PRT had minimal impact on platelet yields and product quality and induced no increase in transfusion reaction notifications. The FAS and PRT transformed the daily routine of blood component manufacture by allowing increased productivity and efficiency, notwithstanding resource containment and without impacting quality, yet promoting safety.
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Affiliation(s)
- Nicolas Malvaux
- Luxembourg Red Cross, Boulevard Joseph II 42, L-1840, Luxembourg.
| | - Anne Schuhmacher
- Luxembourg Red Cross, Boulevard Joseph II 42, L-1840, Luxembourg.
| | | | - Remy Jacob
- Luxembourg Red Cross, Boulevard Joseph II 42, L-1840, Luxembourg.
| | - Aicha Bah
- Terumo BCT Europe, Ikaroslaan 41, 1930 Zaventem, Belgium.
| | - Marcia Cardoso
- Terumo BCT Europe, Ikaroslaan 41, 1930 Zaventem, Belgium.
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18
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Hayashi T, Hayashi A, Fujimura Y, Masaki M, Kishikawa T, Sakaguchi H, Tanaka M, Kimura T, Tani Y, Takihara Y, Hirayama F. Dual preparation of plasma and platelet concentrates in platelet additive solution from platelet concentrates in plasma using a novel filtration system. Vox Sang 2021; 117:49-57. [PMID: 34082471 DOI: 10.1111/vox.13155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/06/2021] [Accepted: 05/14/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES Platelet concentrates suspended in a platelet additive solution (PAS-PC) are associated with a reduction in allergic response and are suitable for preparing pathogen-inactivated PC. We aimed to develop an efficient platform for the dual preparation of PAS-PC and platelet-poor plasma. MATERIALS AND METHODS PAS-PC was prepared in six steps by using a hollow-fibre system based on cross-flow filtration: priming, loading PC, loading PAS, collection of filtered liquid (flow-through) and collection of platelets by washing with PAS followed by washing with air. In this study, the efficacy of platelet and plasma protein recovery and characteristics of recovered PAS-PC and flow-through plasma were analysed in detail. RESULTS Recoveries of platelet in PAS-PC and plasma protein in the flow-through were 95.4% ± 3.7% and 61.6% ± 5.0%, respectively. The residual plasma protein in PAS-PC was 34.1% ± 2.8%. Although the expression level of CD62P, a platelet activation marker, in recovered platelets was approximately 1.2-fold of that in original platelets, swirling patterns were well retained, and aggregation in PAS-PC was not visible. Agonist-induced aggregabilities, platelet morphology and hypotonic shock recovery were conserved. The patterns of plasma protein and lipoprotein in the flow-through were comparable with those in the original PCs. The multimeric pattern analysis of VWF remained unaltered. CONCLUSION We propose a highly efficient preparation system that enables the simultaneous production of PAS-PC and platelet-poor plasma. It also achieves a high recovery of functionally well-retained platelets with very low activation.
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Affiliation(s)
- Tomoya Hayashi
- Japanese Red Cross Kinki Block Blood Centre, Ibaraki, Japan
| | - Akihiro Hayashi
- Advanced Materials Research Laboratories, Toray Industries, Inc., Otsu, Japan
| | | | - Mikako Masaki
- Japanese Red Cross Kinki Block Blood Centre, Ibaraki, Japan
| | - Tatsuya Kishikawa
- Advanced Materials Research Laboratories, Toray Industries, Inc., Otsu, Japan
| | - Hirokazu Sakaguchi
- Advanced Materials Research Laboratories, Toray Industries, Inc., Otsu, Japan
| | | | | | - Yoshihiko Tani
- Central Blood Institute, Japanese Red Cross, Tokyo, Japan
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19
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Oeller M, Laner-Plamberger S, Krisch L, Rohde E, Strunk D, Schallmoser K. Human Platelet Lysate for Good Manufacturing Practice-Compliant Cell Production. Int J Mol Sci 2021; 22:ijms22105178. [PMID: 34068404 PMCID: PMC8153614 DOI: 10.3390/ijms22105178] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 02/06/2023] Open
Abstract
Numerous cell-based therapeutics are currently being tested in clinical trials. Human platelet lysate (HPL) is a valuable alternative to fetal bovine serum as a cell culture medium supplement for a variety of different cell types. HPL as a raw material permits animal serum-free cell propagation with highly efficient stimulation of cell proliferation, enabling humanized manufacturing of cell therapeutics within a reasonable timeframe. Providers of HPL have to consider dedicated quality issues regarding identity, purity, potency, traceability and safety. Release criteria have to be defined, characterizing the suitability of HPL batches for the support of a specific cell culture. Fresh or expired platelet concentrates from healthy blood donors are the starting material for HPL preparation, according to regulatory requirements. Pooling of individual platelet lysate units into one HPL batch can balance donor variation with regard to essential platelet-derived growth factors and cytokines. The increasingly applied pathogen reduction technologies will further increase HPL safety. In this review article, aspects and regulatory requirements of whole blood donation and details of human platelet lysate manufacturing are presented. International guidelines for raw materials are discussed, and defined quality controls, as well as release criteria for safe and GMP-compliant HPL production, are summarized.
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Affiliation(s)
- Michaela Oeller
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
| | - Sandra Laner-Plamberger
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
| | - Linda Krisch
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- Cell Therapy Institute, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Eva Rohde
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- GMP Laboratory, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Dirk Strunk
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- Cell Therapy Institute, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Katharina Schallmoser
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- GMP Laboratory, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
- Correspondence:
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20
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Shevchuk O, Begonja AJ, Gambaryan S, Totzeck M, Rassaf T, Huber TB, Greinacher A, Renne T, Sickmann A. Proteomics: A Tool to Study Platelet Function. Int J Mol Sci 2021; 22:ijms22094776. [PMID: 33946341 PMCID: PMC8125008 DOI: 10.3390/ijms22094776] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/22/2021] [Accepted: 04/22/2021] [Indexed: 12/22/2022] Open
Abstract
Platelets are components of the blood that are highly reactive, and they quickly respond to multiple physiological and pathophysiological processes. In the last decade, it became clear that platelets are the key components of circulation, linking hemostasis, innate, and acquired immunity. Protein composition, localization, and activity are crucial for platelet function and regulation. The current state of mass spectrometry-based proteomics has tremendous potential to identify and quantify thousands of proteins from a minimal amount of material, unravel multiple post-translational modifications, and monitor platelet activity during drug treatments. This review focuses on the role of proteomics in understanding the molecular basics of the classical and newly emerging functions of platelets. including the recently described role of platelets in immunology and the development of COVID-19.The state-of-the-art proteomic technologies and their application in studying platelet biogenesis, signaling, and storage are described, and the potential of newly appeared trapped ion mobility spectrometry (TIMS) is highlighted. Additionally, implementing proteomic methods in platelet transfusion medicine, and as a diagnostic and prognostic tool, is discussed.
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Affiliation(s)
- Olga Shevchuk
- Leibniz-Institut für Analytische Wissenschaften—ISAS—e.V, Bunsen-Kirchhoff-Straße 11, 44139 Dortmund, Germany
- Department of Immunodynamics, Institute of Experimental Immunology and Imaging, University Hospital Essen, Hufelandstrasse 55, 45147 Essen, Germany
- Correspondence: (O.S.); (A.S.)
| | - Antonija Jurak Begonja
- Department of Biotechnology, University of Rijeka, Radmile Matejčić 2, 51000 Rijeka, Croatia;
| | - Stepan Gambaryan
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, Torez pr. 44, 194223 St. Petersburg, Russia;
| | - Matthias Totzeck
- West German Heart and Vascular Center, Department of Cardiology and Vascular Medicine, University Hospital Essen, Hufelandstrasse 55, 45147 Essen, Germany; (M.T.); (T.R.)
| | - Tienush Rassaf
- West German Heart and Vascular Center, Department of Cardiology and Vascular Medicine, University Hospital Essen, Hufelandstrasse 55, 45147 Essen, Germany; (M.T.); (T.R.)
| | - Tobias B. Huber
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Andreas Greinacher
- Institut für Immunologie und Transfusionsmedizin, Universitätsmedizin Greifswald, Sauerbruchstraße, 17475 Greifswald, Germany;
| | - Thomas Renne
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany;
| | - Albert Sickmann
- Leibniz-Institut für Analytische Wissenschaften—ISAS—e.V, Bunsen-Kirchhoff-Straße 11, 44139 Dortmund, Germany
- Medizinisches Proteom-Center (MPC), Medizinische Fakultät, Ruhr-Universität Bochum, 44801 Bochum, Germany
- Department of Chemistry, College of Physical Sciences, University of Aberdeen, Aberdeen AB24 3FX, UK
- Correspondence: (O.S.); (A.S.)
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21
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Robust antimicrobial photodynamic therapy with curcumin-poly (lactic-co-glycolic acid) nanoparticles against COVID-19: A preliminary in vitro study in Vero cell line as a model. Photodiagnosis Photodyn Ther 2021; 34:102286. [PMID: 33838311 PMCID: PMC8025549 DOI: 10.1016/j.pdpdt.2021.102286] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 03/23/2021] [Accepted: 04/02/2021] [Indexed: 12/18/2022]
Abstract
Background In this study, the ability of antimicrobial photodynamic therapy (aPDT) as a treatment approach and adjuvant therapy using curcumin-poly (lactic-co-glycolic acid) nanoparticles (Cur@PLGA-NPs) to inactivate Coronavirus disease 2019 (COVID-19) in plasma was investigated. Furthermore, to verify whether the quality requirement of aPDT-treated plasma is acceptable, the differences of the levels of clotting factors, total plasma proteins, and anti-A and/or anti-B antibodies titrations in plasma of patient before and after aPDT treatment were investigated. Materials and Methods Cur@PLGA-NPs was synthesized using Electrospinning process and characterized by different analysis including Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), and Fourier Transform Infrared (FTIR) spectroscopy assays. The presence of the SARS-CoV-2 in the plasma samples of patients suspected of having COVID-19 was confirmed by real-time reverse transcription-polymerase chain reaction (RT-PCR) assay. Then, the treated plasma samples with Cur@PLGA-NPs plus blue laser were exposed to Vero cells. Eventually, cell cytotoxicity and apoptotic effects of treated Vero cells were evaluated. Levels of clotting factors including prothrombin time (PT) and activated partial thromboplastin time (APTT), total plasma proteins, and anti-A and/or anti-B antibodies measurements were performed using the coagulometer, method of Bradford, and titration procedure, respectively. Results The presence of SARS-CoV-2 was positive in 84.3 % of samples. Different concentrations of Cur@PLGA-NPs (3, 5, 7, and 10 % wt.), the irradiation times of blue laser (1, 3, and 5 min), and aPDT with the maximum dosed of blue laser light (522.8 J/cm2) plus 10 % wt. Cur@PLGA-NPs had no cytotoxicity. Although there were significant cell degradation and apoptotic effects in treated Vero cells with treated plasma using 10 % wt. Cur@PLGA-NPs, and a blue laser at an energy density of 522.8 J/cm2, no visible changes in cells and apoptosis were observed following aPDT. Total plasma protein content, PT, APTT, and anti-A and/or anti-B antibodies titers showed no significant changes (P > 0.05 for all comparisons) in treated plasma as compared to untreated plasma. Conclusion aPDT exhibited in vitro anti-COVID-19 activities in the treated plasma containing SARS-COV-2 without Vero cell apoptosis and any adverse effects on plasma quality in aPDT-exposed plasma.
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22
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Nguyen JT, Rioveros J, Ziman A, McGonigle AM, Ward DC. How do we implement pathogen reduction technology, while maintaining an adequate platelet inventory for our patients? Transfusion 2021; 61:1014-1022. [PMID: 33720397 DOI: 10.1111/trf.16348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/10/2021] [Accepted: 02/10/2021] [Indexed: 12/20/2022]
Abstract
Despite the significantly reduced infectious disease risk through robust and sensitive laboratory assays, comprehensive donor screening and good manufacturing practices, new and emerging infectious agents and bacterial contamination continue to pose a threat to the blood supply. Pathogen Reduction (PR) technology is an option to mitigate the risk of platelet transfusion transmitted infections. Here we describe our structure and strategies to implement PR technology. Pre-implementation and phased approach implementation processes from our hospital-based donor center, components processing laboratory, transfusion service, clinicians, nursing, and patient perspectives are described. Communication and reassessment of collection settings occurred between the donor center and components processing laboratory (CPL). During Phase 1, CPL consistently processed approximately 56% of monthly apheresis platelets (AP) collections by PR and the remaining 44% as conventional platelets (CP). Phase 2 increased the amount of AP undergoing PR from 56% to approximately 78%. A phased implementation and maintenance of a dual inventory may provide flexibility to blood collection, blood manufacturing, and transfusion service processes. Our dual inventory of PR and CP allows our transfusion service a readily available platelet inventory. A collaborative hospital-based donor center, component processing laboratory, and transfusion service are essential to the productivity and maintenance of the dual platelet inventory.
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Affiliation(s)
- Jennifer T Nguyen
- Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Jowin Rioveros
- Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Alyssa Ziman
- Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Andrea M McGonigle
- Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Dawn C Ward
- Wing-Kwai and Alice Lee-Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
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23
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Alabdullatif M, Osman IE, Alrasheed M, Ramirez-Arcos S, Alyousef M, Althawadi S, Alhumiadan H. Evaluation of riboflavin and ultraviolet light treatment against Klebsiella pneumoniae in whole blood-derived platelets: A pilot study. Transfusion 2021; 61:1562-1569. [PMID: 33687079 DOI: 10.1111/trf.16347] [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: 10/03/2020] [Revised: 12/27/2020] [Accepted: 12/27/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Bacterial contamination of platelet concentrates (PCs) is the predominant cause of infectious transfusion reactions. The Pathogen Inactivation Mirasol system was implemented at the King Faisal Specialist Hospital (Saudi Arabia) to reduce the risk of transfusing contaminated PCs. This pilot study evaluated the effectiveness of Mirasol against Klebsiella pneumoniae, a pathogen associated with transfusion reactions, in whole blood-derived PCs. STUDY DESIGN AND METHODS Whole blood (WB) units inoculated with one of six K. pneumoniae strains (five clinical isolates and ATCC-700603) at a concentration of 3-38 CFU/unit, were processed using the platelet-rich plasma (PRP) method. Each spiked PC was pooled with four unspiked units. The pooled PC was split into three Mirasol storage bags: an untreated unit (control), and two units treated with Mirasol at 26 and 32 h post-WB collection, respectively. PC samples obtained before and after Mirasol treatment were used for BacT/ALERT cultures and determination of bacteria quantification. Each experiment was repeated three independent times. RESULTS Five strains were detected prior to PC treatment (24 h post-WB spiking), while one clinical isolate was not detected. Mirasol treatment after 26 h of WB collection resulted in complete inactivation of all K. pneumoniae strains. However, treatment 32 h post-WB collection resulted in the breakthrough of one clinical isolate in two of the three replicates with ~7.8 log10 CFU/unit detected on day 5 of PC storage. CONCLUSION Delayed Mirasol treatment from 26 to 32 h post-WB collection, resulted in one breakthrough. These results highlight the importance of minimizing the time between WB collection and PI treatment.
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Affiliation(s)
- Meshari Alabdullatif
- Department of Pathology, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia.,Department of Microbiology, SmartLab, Riyadh, Saudi Arabia
| | - Imad Eldin Osman
- King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Mai Alrasheed
- King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | | | - Manal Alyousef
- King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Sahar Althawadi
- King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Hind Alhumiadan
- King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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24
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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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25
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Ravanat C, Pongérard A, Freund M, Heim V, Rudwill F, Ziessel C, Eckly A, Proamer F, Isola H, Gachet C. Human platelets labeled at two discrete biotin densities are functional in vitro and are detected in vivo in the murine circulation: A promising approach to monitor platelet survival in vivo in clinical research. Transfusion 2021; 61:1642-1653. [PMID: 33580977 DOI: 10.1111/trf.16312] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 01/17/2021] [Accepted: 01/17/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND The production of platelet concentrates (PCs) is evolving, and their survival capacity needs in vivo evaluation. This requires that the transfused platelets (PLTs) be distinguished from those of the recipient. Labeling at various biotin (Bio) densities allows one to concurrently trace multiple PLT populations, as reported for red blood cells. STUDY DESIGN AND METHODS A method is described to label human PLTs at two densities of Bio for future clinical trials. Injectable-grade PLTs were prepared in a sterile environment, using injectable-grade buffers and good manufacturing practices (GMP)-grade Sulfo-NHS-Biotin. Sulfo-NHS-Biotin concentrations were chosen to maintain PLT integrity and avoid potential alloimmunization while enabling the detection of circulating BioPLTs. The impact of biotinylation on human PLT recirculation was evaluated in vivo in a severe immunodeficient mouse model using ex vivo flow cytometry. RESULTS BioPLTs labeled with 1.2 or 10 μg/ml Sulfo-NHS-Biotin displayed normal ultrastructure and retained aggregation and secretion capacity and normal expression of the main surface glycoproteins. The procedure avoided detrimental PLT activation or apoptosis signals. Transfused human BioPLT populations could be distinguished from one another and from unlabeled circulating mouse PLTs, and their survival was comparable to that of unlabeled human PLTs in the mouse model. CONCLUSIONS Provided low Sulfo-NHS-Biotin concentrations (<10 μg/ml) are used, injectable-grade BioPLTs comply with safety regulations, conserve PLT integrity, and permit accurate in vivo detection. This alternative to radioisotopes, which allows one to follow different PLT populations in the same recipient, should be valuable when assessing new PC preparations and monitoring PLT survival in clinical research.
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Affiliation(s)
- Catherine Ravanat
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Anaïs Pongérard
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Monique Freund
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Véronique Heim
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Floriane Rudwill
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Catherine Ziessel
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Anita Eckly
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Fabienne Proamer
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Hervé Isola
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Christian Gachet
- Université de Strasbourg, INSERM, Etablissement Français du Sang (EFS) Grand-Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
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26
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Isola H, Ravanat C, Rudwill F, Pongerard A, Haas D, Eckly A, Gachet C, Hechler B. Removal of citrate from PAS-III additive solution improves functional and biochemical characteristics of buffy-coat platelet concentrates stored for 7 days, with or without INTERCEPT pathogen reduction. Transfusion 2021; 61:919-930. [PMID: 33527430 DOI: 10.1111/trf.16280] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/17/2020] [Accepted: 12/21/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Deterioration in quality of platelet concentrates (PCs) during storage results from the appearance of storage lesions affecting the hemostatic functions and posttransfusion survival of platelets. These lesions depend on the preparation and pathogen inactivation methods used, duration of storage, and platelet additive solutions (PASs) present in storage bags. METHODS We investigated the effects of citrate contained in third-generation PAS (PAS-III) on storage lesions in buffy-coat PCs with or without photochemical (amotosalen-ultraviolet A) treatment over 7 days. RESULTS Platelet counts were conserved in all groups during storage, as was platelet swirling without appearance of macroscopic aggregates. Glycoprotein (GP) IIbIIIa and GPVI expression remained stable, whereas GPIbα declined similarly in all groups during storage. Removal of citrate from PAS-III, resulting in global reduction of citrate from 11 to 5 mM, led to a significant decrease in glucose consumption, which largely countered a modest deleterious effect of photochemical treatment. Citrate reduction also resulted in decreased lactate generation and better maintenance of pH during storage, while photochemical treatment had no impact on these parameters. Moreover, citrate-free storage significantly reduced exposure of P-selectin and the apoptosis signal phosphatidylserine, thereby abolishing the activating effect of photochemical treatment on both parameters. Citrate reduction benefited platelet aggregation to various agonists up to Day 7, whereas PCT had no impact on these responses. CONCLUSION Removal of citrate from PAS-III has a beneficial impact on platelet metabolism, spontaneous activation, and apoptosis, and improves platelet aggregation, irrespective of photochemical treatment, which should allow transfusion of platelets with better and longer-lasting functional properties.
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Affiliation(s)
- Hervé Isola
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Catherine Ravanat
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Floriane Rudwill
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Anais Pongerard
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Delphine Haas
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Anita Eckly
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Christian Gachet
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
| | - Béatrice Hechler
- INSERM, Etablissement Français du Sang (EFS) Grand Est, BPPS UMR_S 1255, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg, France
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27
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Loingsigh SN, Flegel WA, Hendrickson JE, Tormey CA. Preventing transfusion-associated graft-versus-host disease with blood component irradiation: indispensable guidance for a deadly disorder. Br J Haematol 2020; 191:653-657. [PMID: 32738068 PMCID: PMC9128360 DOI: 10.1111/bjh.17016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sorcha Ní Loingsigh
- Department of Haematology, University Hospital Galway,
Newcastle Road, Galway, Ireland
| | - Willy A. Flegel
- Department of Transfusion Medicine, NIH Clinical Center,
National Institutes of Health, Bethesda, MD USA
| | - Jeanne E. Hendrickson
- Department of Laboratory Medicine, Yale University School
of Medicine, New Haven, CT USA
- Department of Pediatrics, Yale University School of
Medicine, New Haven, CT USA
| | - Christopher A. Tormey
- Department of Laboratory Medicine, Yale University School
of Medicine, New Haven, CT USA
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28
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Feyissa Q, Xu F, Ibrahim Z, Li Y, Xu KL, Guo Z, Ahmad J, Vostal JG. Synergistic bactericidal effects of pairs of photosensitizer molecules activated by ultraviolet A light against bacteria in plasma. Transfusion 2020; 61:594-602. [PMID: 33219568 DOI: 10.1111/trf.16180] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/12/2020] [Accepted: 10/12/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND The current approach to reducing bacterial contamination in blood transfusion products is through detection or pathogen reduction methods, some of which utilize ultraviolet (UV) light photosensitizers. A small number of photosensitizers are being used as single agents in combination with UV light, but their efficacy can be limited against some pathogens. Benzophenone (BP) and vitamins B1, B6, and K3 have been identified as effective UVA photosensitizers for inactivation of bacteria. We evaluated whether combining pairs of photosensitizers in this group would have synergistic bactericidal effects on Gram-negative and Gram-positive bacteria. STUDY DESIGN AND METHODS Bacteria species of Escherichia coli, Bacillus cereus, Staphylococcus aureus, and Klebsiella pneumoniae were mixed with 0 to 100 mM concentrations of photosensitizers and exposed to UVA irradiation at 18 J/cm2 to assess their bactericidal effects. RESULTS Single photosensitizers irradiated with UVA produced a range of bactericidal activity. When combined in pairs, all demonstrated some synergistic bactericidal effects with up to 4-log reduction above the sum of activities of individual molecules in the pair against bacteria in plasma. Photosensitizer pairs with BP had the highest synergism across all bacteria. With vitamin K3 in the pair, synergism was evident for Gram-positive but not for Gram-negative bacteria. Vitamin B1 and vitamin B6 had the least synergism. These results indicate that a combination approach with multiple photosensitizers may extend effectiveness of pathogen reduction in plasma. CONCLUSIONS Combining photosensitizers in pathogen reduction methods could improve bactericidal efficacy and lead to use of lower concentrations of photosensitizers to reduce toxicities and unwanted side effects.
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Affiliation(s)
- Qinati Feyissa
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Fei Xu
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Zina Ibrahim
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Ying Li
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Kevin L Xu
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Zihan Guo
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Justen Ahmad
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
| | - Jaroslav G Vostal
- Laboratory of Cellular Hematology, Division of Blood Components and Devices, CBER, FDA, Silver Spring, Maryland
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29
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Stubbs JR, Homer MJ, Silverman T, Cap AP. The current state of the platelet supply in the US and proposed options to decrease the risk of critical shortages. Transfusion 2020; 61:303-312. [PMID: 33098328 DOI: 10.1111/trf.16140] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 08/11/2020] [Accepted: 08/12/2020] [Indexed: 12/22/2022]
Abstract
Due to circumstances such as increased demand and an aging donor pool, the likelihood of critical platelet shortages is increasing. The platelet supply could be improved through the expansion of the donor pool, the identification and sustained utilization of high-quality donors, and changes in component processing and storage that result in a longer platelet shelf-life. Refrigerated platelets, stored at 1° to 6°C, have the potential to improve patient safety by decreasing the risk of bacterial contamination while concurrently allowing for a longer storage period (eg, 14 days) and improved hemostatic effectiveness in actively bleeding patients. An approach utilizing remuneration of apheresis platelet donors combined with pathogen reduction of the platelet components could be used as a means to increase the donor pool and identify and sustain safe, reliable, high-quality donors. Remuneration might provide an incentive for underutilized populations (eg, individuals <30 years old) to enter the apheresis platelet donor population resulting in a significant expansion of the platelet donor pool. Over time, approaches such as the use of refrigerated platelets, platelet donor remuneration, and the application of pathogen reduction technology, might serve to attract a large, reliable, and safe donor base that provides platelet collections with high yields, longer shelf-lives and, excellent hemostatic function.
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Affiliation(s)
- James R Stubbs
- Division of Transfusion Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Mary J Homer
- Department of Health and Human Services, Biomedical Advanced Research and Development Authority (BARDA), Washington, DC, USA
| | - Toby Silverman
- Department of Health and Human Services, Biomedical Advanced Research and Development Authority (BARDA), Washington, DC, USA
| | - Andrew P Cap
- Division of Transfusion Medicine, Department of Laboratory Medicine and Pathology, US Army Institute of Surgical Research and Uniformed Services University, JBSA-FT Sam Houston, Texas, USA
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Lotens A, Abonnenc M, Malvaux N, Schuhmacher A, Prudent M, Rapaille A. Antioxidant power measurement in platelet concentrates treated by two pathogen inactivation systems in different blood centres. Vox Sang 2020; 116:53-59. [PMID: 32797682 DOI: 10.1111/vox.12979] [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: 02/28/2020] [Revised: 06/16/2020] [Accepted: 07/01/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVES The antioxidant power measurement can be useful to validate the execution of the pathogen inactivation treatment of platelet concentrates. The aim of this study is to evaluate the technology on different blood preparations including INTERCEPT and Mirasol treatments that are in routine use in Belgium and Luxemburg. MATERIALS AND METHODS The antioxidant power measurement was tested on 78 apheresis platelet concentrates and 54 pools of buffy-coats-derived platelet concentrates before and after INTERCEPT treatment. In addition, 100 Reveos platelet pools were tested before and after Mirasol treatment. The antioxidant power was quantified electrochemically using disposable devices and was expressed as equivalent ascorbic acid concentration. RESULTS Mean results for apheresis platelet concentrates were of 90 ± 14 and 35 ± 10 µmol/l eq. ascorbic acid before and after INTERCEPT treatment, respectively. The mean results for pools of buffy-coats-derived platelet concentrates were of 81 ± 10 and 29 ± 4 eq. µmol/l ascorbic acid before and after INTERCEPT treatment, respectively. For buffy-coats-derived platelet concentrates treated by Mirasol technology, the mean results were of 98 ± 11 and 32 ± 10 µmol/l eq. ascorbic acid before and after illumination, respectively. CONCLUSION The antioxidant power significantly decreases with pathogen inactivation treatments for platelet concentrates treated by INTERCEPT or Mirasol technologies.
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Affiliation(s)
- Anaïs Lotens
- Blood Service, Belgian Red Cross, Namur, Belgium
| | - Mélanie Abonnenc
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | | | | | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland.,Centre de transfusion sanguine, Faculté de Biologie et de Médecine, Université de Lausanne, Lausanne, Switzerland
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Haemostatic function measured by thromboelastography and metabolic activity of platelets treated with riboflavin and UV light. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2020; 18:280-289. [PMID: 32530405 DOI: 10.2450/2020.0314-19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/20/2020] [Indexed: 11/21/2022]
Abstract
BACKGROUND Pathogen reduction technology (PRT) may damage platelet (PLT) components. To study this, metabolic activity and haemostatic function of buffy coat (BC) PLT concentrates, with or without riboflavin and UV light PRT treatment, were compared. MATERIAL AND METHODS Twenty-four BC PLT concentrates, leukoreduced and diluted in additive solution, were grouped into 12 type-matched pairs, which were pooled and divided into 12 non-PRT-treated BC PLT concentrates (control units) and 12 riboflavin and UV PRT-treated BC PLT concentrates (test units). Haemostatic function and metabolic parameters were monitored by thrombelastography at days 1, 3, 7 and 14 post collection in both PLT groups. RESULTS Loss of PLT discoid shape, glucose consumption, lactate production, and decrease in pH were greater in the PRT-treated PLTs than in control PLTs over time (p<0.001). PLT haemostatic function evaluated by clot strength was also significantly weaker in PRT-treated PLTs compared with the excellent clot quality of control PLTs at day 7 (maximum amplitude: 41.27 vs 64.27; p<0.001), and even at day 14 (21.16 vs 60.39; p<0.001) of storage. DISCUSSION Pathogen reduction technology treatment accelerates and increases platelet storage lesion, resulting in glucose depletion, lactate accumulation, PLT acidification, and discoid shape loss. The clots produced by control PLTs at day 14 were still remarkably strong, whereas at day 7 PRT-treated PLTs produced weaker clots compared to the control group. Clinical trials investigating the efficacy of PRT-treated PLTs transfused at the end of the storage period (day 7), when the in vitro clot strength is weaker, are needed.
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Inactivation of bacteria in plasma by photosensitizers benzophenone and vitamins K3, B1 and B6 with UV A light irradiation. Photodiagnosis Photodyn Ther 2020; 30:101713. [DOI: 10.1016/j.pdpdt.2020.101713] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/06/2020] [Indexed: 11/22/2022]
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33
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New strategies for the control of infectious and parasitic diseases in blood donors: the impact of pathogen inactivation methods. EUROBIOTECH JOURNAL 2020. [DOI: 10.2478/ebtj-2020-0007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Abstract
Around 70 infectious agents are possible threats for blood safety.
The risk for blood recipients is increasing because of new emergent agents like West Nile, Zika and Chikungunya viruses, or parasites such as Plasmodium and Trypanosoma cruzi in non-endemic regions, for instance.
Screening programmes of the donors are more and more implemented in several Countries, but these cannot prevent completely infections, especially when they are caused by new agents.
Pathogen inactivation (PI) methods might overcome the limits of the screening and different technologies have been set up in the last years.
This review aims to describe the most widely used methods focusing on their efficacy as well as on the preservation integrity of blood components.
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Leitner GC, Ho M, Tolios A, Hopfinger G, Rabitsch W, Wohlfarth P. The assessment of platelet function by thromboelastometry as a point-of-care test to guide Intercept-treated platelet support in hemato-oncological patients and hematopoietic stem cell transplantation recipients. Transfusion 2020; 60:1391-1399. [PMID: 32319678 PMCID: PMC7497158 DOI: 10.1111/trf.15783] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 03/04/2020] [Accepted: 03/06/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Pathogen inactivation (PI) techniques for platelet concentrates (PCs) are one of the latest innovations to improve blood safety and reduce the risk of transfusion‐transmitted infections (TTIs). An impaired function and in vivo recovery of platelets as well as an increased PC demand are concerns regarding these techniques. The intent of this study was to evaluate the hemostatic effect of PCs treated with the Intercept™ System by thromboelastometry (TEM) and to assess the clinical validity of its results in comparison to post‐transfusion increase (PTI) and corrected count increment (CCI). STUDY‐DESIGN AND METHODS This prospective‐observational study included 47 patients (m:f = 25:22; median age: 54 years [21‐70]) of our Bone Marrow Transplantation unit with hemato‐oncological malignancies transfused with Intercept™‐treated PCs. Serial TEM measurements were performed just before and 1 hour after PC transfusion and were analyzed for their correlation with PTI and CCI as well as for clinical variables. RESULTS The majority of our patients had received a hematopoietic stem cell transplantation (HSCT) (n = 41; 87%). In median 9 (1‐50) PCs were transfused. Serial TEM, PTI, and CCI measurements were available for 150 transfusion episodes. The median platelet dose transfused was 2.65 × 1011/unit (1.8‐6). The median CCI was 9.250 (0‐28.000). We observed a significant improvement in TEM parameters (p < 0.05) after transfusion of PI PCs, which did not mandatory correlate with the 1‐hour PTI and CCI. CONCLUSION Serial TEM measurements indicate the hemostatic effect of Intercept™‐treated PCs. The 1‐hour PTI and CCI may not appropriately reflect the in vivo function of platelets after PI PC transfusion.
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Affiliation(s)
- Gerda C Leitner
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
| | - Markus Ho
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
| | - Alexander Tolios
- Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
| | - Georg Hopfinger
- Stem Cell Transplantation Unit, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Werner Rabitsch
- Stem Cell Transplantation Unit, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Philipp Wohlfarth
- Stem Cell Transplantation Unit, Department of Medicine I, Medical University of Vienna, Vienna, Austria
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Maclean M, Gelderman MP, Kulkarni S, Tomb RM, Stewart CF, Anderson JG, MacGregor SJ, Atreya CD. Non-ionizing 405 nm Light as a Potential Bactericidal Technology for Platelet Safety: Evaluation of in vitro Bacterial Inactivation and in vivo Platelet Recovery in Severe Combined Immunodeficient Mice. Front Med (Lausanne) 2020; 6:331. [PMID: 32010702 PMCID: PMC6974518 DOI: 10.3389/fmed.2019.00331] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 12/20/2019] [Indexed: 01/18/2023] Open
Abstract
Bacterial contamination of ex vivo stored platelets is a cause of transfusion-transmitted infection. Violet-blue 405 nm light has recently demonstrated efficacy in reducing the bacterial burden in blood plasma, and its operational benefits such as non-ionizing nature, penetrability, and non-requirement for photosensitizing agents, provide a unique opportunity to develop this treatment for in situ treatment of ex vivo stored platelets as a tool for bacterial reduction. Sealed bags of platelet concentrates, seeded with low-level Staphylococcus aureus contamination, were 405 nm light-treated (3–10 mWcm−2) up to 8 h. Antimicrobial efficacy and dose efficiency was evaluated by quantification of the post-treatment surviving bacterial contamination levels. Platelets treated with 10 mWcm−2 for 8 h were further evaluated for survival and recovery in severe combined immunodeficient (SCID) mice. Significant inactivation of bacteria in platelet concentrates was achieved using all irradiance levels, with 99.6–100% inactivation achieved by 8 h (P < 0.05). Analysis of applied dose demonstrated that lower irradiance levels generally resulted in significant decontamination at lower doses: 180 Jcm−2/10 mWcm−2 (P = 0.008) compared to 43.2 Jcm−2/3 mWcm−2 (P = 0.002). Additionally, the recovery of light-treated platelets, compared to non-treated platelets, in the murine model showed no significant differences (P = >0.05). This report paves the way for further comprehensive studies to test 405 nm light treatment as a bactericidal technology for stored platelets.
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Affiliation(s)
- Michelle Maclean
- The Robertson Trust Laboratory for Electronic Sterilisation Technologies, Department of Electronic & Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom.,Department of Biomedical Engineering, University of Strathclyde, Glasgow, United Kingdom
| | - Monique P Gelderman
- Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Sandhya Kulkarni
- Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
| | - Rachael M Tomb
- The Robertson Trust Laboratory for Electronic Sterilisation Technologies, Department of Electronic & Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom
| | - Caitlin F Stewart
- The Robertson Trust Laboratory for Electronic Sterilisation Technologies, Department of Electronic & Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom
| | - John G Anderson
- The Robertson Trust Laboratory for Electronic Sterilisation Technologies, Department of Electronic & Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom
| | - Scott J MacGregor
- The Robertson Trust Laboratory for Electronic Sterilisation Technologies, Department of Electronic & Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom
| | - Chintamani D Atreya
- Office of Blood Research and Review, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, United States
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Pathogen reduction of blood components during outbreaks of infectious diseases in the European Union: an expert opinion from the European Centre for Disease Prevention and Control consultation meeting. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2019; 17:433-448. [PMID: 31846608 DOI: 10.2450/2019.0288-19] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 11/21/2019] [Indexed: 12/13/2022]
Abstract
Pathogen reduction (PR) of selected blood components is a technology that has been adopted in practice in various ways. Although they offer great advantages in improving the safety of the blood supply, these technologies have limitations which hinder their broader use, e.g. increased costs. In this context, the European Centre for Disease Prevention and Control (ECDC), in co-operation with the Italian National Blood Centre, organised an expert consultation meeting to discuss the potential role of pathogen reduction technologies (PRT) as a blood safety intervention during outbreaks of infectious diseases for which (in most cases) laboratory screening of blood donations is not available. The meeting brought together 26 experts and representatives of national competent authorities for blood from thirteen European Union and European Economic Area (EU/EEA) Member States (MS), Switzerland, the World Health Organization, the European Directorate for the Quality of Medicines and Health Care of the Council of Europe, the US Food and Drug Administration, and the ECDC. During the meeting, the current use of PRTs in the EU/EEA MS and Switzerland was verified, with particular reference to emerging infectious diseases (see Appendix). In this article, we also present expert discussions and a common view on the potential use of PRT as a part of both preparedness and response to threats posed to blood safety by outbreaks of infectious disease.
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Jóhannsson F, Árnason NÁ, Landrö R, Guðmundsson S, Sigurjonsson ÓE, Rolfsson Ó. Metabolomics study of platelet concentrates photochemically treated with amotosalen and UVA light for pathogen inactivation. Transfusion 2019; 60:367-377. [PMID: 31802514 DOI: 10.1111/trf.15610] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 10/18/2019] [Accepted: 10/19/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND The risk of bacterial contamination and the deterioration of platelet (PLT) quality limit the shelf-life of platelet concentrates (PCs). The INTERCEPT pathogen inactivation system reduces the risk of pathogen transmission by inhibiting nucleic acid replication using a combination of a photo-reactive compound and UVA illumination. The goal of this study was to investigate the effects the INTERCEPT system has on the PLT metabolome and metabolic activity. STUDY DESIGN AND METHODS Paired units of buffy coat-derived PCs were generated using a pool and split strategy (n = 8). The paired PCs were either treated with the INTERCEPT system or left untreated. Samples were collected on Days 1, 2, 4, and 7 of storage. Ultra-performance chromatography coupled with time-of-flight mass spectrometry was used to analyze the extra- and intracellular metabolomes. Constraint-based metabolic modeling was then used to predict the metabolic activity of the stored PLTs. RESULTS A relatively large number of metabolites in the extracellular environment were depleted during the processing steps of the INTERCEPT system, in particular, metabolites with hydrophobic functional groups, including acylcarnitines and lysophosphatidylcholines. In the intracellular environment, alterations in glucose and glycerophospholipid metabolism and decreased levels of 2-hydroxyglutarate were observed following the INTERCEPT treatment. Untargeted metabolomics analysis revealed residual amotosalen dimers present in the treated PCs. Systems-level analysis of PLT metabolism indicated that the INTERCEPT system does not have a significant impact on the PLT energy metabolism and nutrient utilization. CONCLUSIONS The INTERCEPT system significantly alters the metabolome of the stored PCs without significantly influencing PLT energy metabolism.
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Affiliation(s)
- Freyr Jóhannsson
- Center for Systems Biology, University of Iceland, Sturlugata 8, Reykjavik, Iceland.,Medical Department, University of Iceland, Sturlugata 8, Reykjavik, Iceland
| | - Níels Á Árnason
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland
| | - Ragna Landrö
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland
| | - Sveinn Guðmundsson
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland
| | - Ólafur E Sigurjonsson
- The Blood Bank, Landspitali-University Hospital, Snorrabraut 60, Reykjavik, Iceland.,School of Science and Engineering, Reykjavik University, Menntavegur 1, Reykjavik, Iceland
| | - Óttar Rolfsson
- Center for Systems Biology, University of Iceland, Sturlugata 8, Reykjavik, Iceland.,Medical Department, University of Iceland, Sturlugata 8, Reykjavik, Iceland
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Arnason NA, Johannson F, Landrö R, Hardarsson B, Irsch J, Gudmundsson S, Rolfsson O, Sigurjonsson OE. Pathogen inactivation with amotosalen plus UVA illumination minimally impacts microRNA expression in platelets during storage under standard blood banking conditions. Transfusion 2019; 59:3727-3735. [PMID: 31674051 DOI: 10.1111/trf.15575] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/15/2019] [Accepted: 10/03/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND To reduce the risk of transfusion transmission infection, nucleic acid targeted methods have been developed to inactivate pathogens in PCs. miRNAs have been shown to play an important role in platelet function, and changes in the abundance of specific miRNAs during storage have been observed, as have perturbation effects related to pathogen inactivation (PI) methods. The aim of this work was to investigate the effects of PI on selected miRNAs during storage. STUDY DESIGN AND METHODS Using a pool and split strategy, 3 identical buffy coat PC units were generated from a pool of 24 whole blood donors. Each unit received a different treatment: 1) Untreated platelet control in platelet additive solution (C-PAS); 2) Amotosalen-UVA-treated platelets in PAS (PI-PAS); and 3) untreated platelets in donor plasma (U-PL). PCs were stored for 7 days under standard blood banking conditions. Standard platelet quality control (QC) parameters and 25 selected miRNAs were analyzed. RESULTS During the 7-day storage period, differences were found in several QC parameters relating to PI treatment and storage in plasma, but overall the three treatments were comparable. Out of 25 miRNA tested changes in regulation of 5 miRNA in PI-PAS and 3 miRNA U-PL where detected compared to C-PAS. A statistically significant difference was observed in down regulations miR-96-5p on Days 2 and 4, 61.9% and 61.8%, respectively, in the PI-PAS treatment. CONCLUSION Amotosalen-UVA treatment does not significantly alter the miRNA profile of platelet concentrates generated and stored using standard blood banking conditions.
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Affiliation(s)
- Niels Arni Arnason
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Freyr Johannson
- Department of Medicine, University of Iceland, Reykjavik, Iceland
| | - Ragna Landrö
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Björn Hardarsson
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | | | - Sveinn Gudmundsson
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Ottar Rolfsson
- Department of Medicine, University of Iceland, Reykjavik, Iceland
| | - Olafur E Sigurjonsson
- The Blood Bank, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland.,School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
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Burnouf T, Barro L, Nebie O, Wu YW, Goubran H, Knutson F, Seghatchian J. Viral safety of human platelet lysate for cell therapy and regenerative medicine: Moving forward, yes, but without forgetting the past. Transfus Apher Sci 2019; 58:102674. [PMID: 31735652 DOI: 10.1016/j.transci.2019.102674] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Growth factor-rich pooled human platelet lysate (HPL), made from human platelet concentrates, is one new blood-derived bioproduct that is attracting justified interest as a xeno-free supplement of growth media for human cell propagation for cell therapy. HPL can also find potentially relevant applications in the field of regenerative medicine. Therefore, the therapeutic applications of HPL go far beyond the standard clinical applications of the traditional blood products typically used in patients suffering from life-threatening congenital or acquired deficiencies in cellular components or proteins due to severe genetic diseases or trauma. A wider population of patients, suffering from various pathologies than has traditionally been the case, is thus, now susceptible to receiving a human blood-derived product. These patients would, therefore, be exposed to the possible, but avoidable, side effects of blood products, including transfusion-transmitted infections, most specifically virus transmissions. Unfortunately, not all manufacturers, suppliers, and users of HPL may have a strong background in the blood product industry. As such, they may not be fully aware of the various building blocks that should contribute to the viral safety of HPL as is already the case for any licensed blood products. The purpose of this manuscript is to reemphasize all the measures, including in regulatory aspects, capable of assuring that HPL exhibits a sufficient pathogen safety margin, especially when made from large pools of human platelet concentrates. It is vital to remember the past to avoid that the mistakes, which happened 30 to 40 years ago and led to the contamination of many blood recipients, be repeated due to negligence or ignorance of the facts.
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Affiliation(s)
- Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan; International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan; Research Center of Biomedical Devices, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan; International PhD Program in Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Lassina Barro
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Yu-Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Hadi Goubran
- Saskatoon Cancer Centre, Division of Oncology, College of Medicine, University of Saskatchewan, Canada
| | - Folke Knutson
- Clinical Immunology and Transfusion Medicine IGP, Uppsala University, Uppsala, Sweden
| | - Jerard Seghatchian
- International Consultancy in Blood Components Quality/Safety Improvement, Audit/Inspection and DDR Strategies, London, UK
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Nebie O, Devos D, Vingtdeux V, Barro L, Devedjian JC, Jonneaux A, Chou ML, Bordet R, Buée L, Knutson F, Blum D, Burnouf T. The neuroprotective activity of heat-treated human platelet lysate biomaterials manufactured from outdated pathogen-reduced (amotosalen/UVA) platelet concentrates. J Biomed Sci 2019; 26:89. [PMID: 31666073 PMCID: PMC6822406 DOI: 10.1186/s12929-019-0579-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 10/09/2019] [Indexed: 12/11/2022] Open
Abstract
Background Effective neurorestorative therapies of neurodegenerative diseases must be developed. There is increasing interest in using human platelet lysates, rich in neurotrophic factors, as novel disease-modifying strategy of neurodegeneration. To ensure virus safety, pathogen reduction treatments should be incorporated in the preparation process of the platelet concentrates used as source material. We therefore investigated whether platelet concentrates (PC) pathogen-inactivated using a licensed photo-inactivation treatment combining photosensitive psoralen (amotosalen) and UVA irradiation (Intercept) can serve as source material to prepare platelet lysates with preserved neuroprotective activity in Parkinson’s disease models. Methods Intercept treated-PCs were centrifuged, when reaching expiry day (7 days after collection), to remove plasma and platelet additive solution. The platelet pellet was re-suspended and concentrated in phosphate buffer saline, subjected to 3 freeze-thaw cycles (− 80 °C/37 °C) then centrifuged to remove cell debris. The supernatant was recovered and further purified, or not, by heat-treatment as in our previous investigations. The content in proteins and neurotrophic factors was determined and the toxicity and neuroprotective activity of the platelet lysates towards LUHMES cells or primary cortical/hippocampal neurons were assessed using ELISA, flow cytometry, cell viability and cytotoxicity assays and proteins analysis by Western blot. Results Platelet lysates contained the expected level of total proteins (ca. 7–14 mg/mL) and neurotrophic factors. Virally inactivated and heat-treated platelet lysates did not exert detectable toxic effects on neither Lund human mesencephalic dopaminergic LUHMES cell line nor primary neurons. When used at doses of 5 and 0.5%, they enhanced the expression of tyrosine hydroxylase and neuron-specific enolase in LUHMES cells and did not significantly impact synaptic protein expression in primary neurons, respectively. Furthermore, virally-inactivated platelet lysates tested were found to exert very strong neuroprotection effects on both LUHMES and primary neurons exposed to erastin, an inducer of ferroptosis cell death. Conclusion Outdated Intercept pathogen-reduced platelet concentrates can be used to prepare safe and highly neuroprotective human heat-treated platelet pellet lysates. These data open reassuring perspectives in the possibility to develop an effective biotherapy using virally-inactivated platelet lysates rich in functional neurotrophins for neuroregenerative medicine, and for further bio-industrial development. However, the data should be confirmed in animal models. Graphical abstract ![]()
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Affiliation(s)
- Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
| | - David Devos
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Valérie Vingtdeux
- Univ. Lille, Inserm, CHU-Lille, UMR-S1172, Lille Neuroscience & Cognition, Alzheimer & Tauopathies, F-59000, Lille, France
| | - Lassina Barro
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Jean-Christophe Devedjian
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Aurélie Jonneaux
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.,Present address: INSERM UMRS 938, CdR Saint-Antoine, Laboratory Immune System, Neuroinflammation and Neurodegenerative Diseases, Saint-Antoine Hospital, Paris, France
| | - Régis Bordet
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Luc Buée
- Univ. Lille, Inserm, CHU-Lille, UMR-S1172, Lille Neuroscience & Cognition, Alzheimer & Tauopathies, F-59000, Lille, France
| | - Folke Knutson
- Clinical Immunology and Transfusion Medicine IGP, Uppsala University, Uppsala, Sweden
| | - David Blum
- Univ. Lille, Inserm, CHU-Lille, UMR-S1172, Lille Neuroscience & Cognition, Alzheimer & Tauopathies, F-59000, Lille, France.
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan. .,International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan. .,International Ph.D. Program in Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, Taiwan.
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41
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Tran JQ, Muench MO, Heitman JW, Jackman RP. Pathogen reduction with riboflavin and ultraviolet light induces a quasi-apoptotic state in blood leukocytes. Transfusion 2019; 59:3501-3510. [PMID: 31599981 DOI: 10.1111/trf.15516] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/26/2019] [Accepted: 08/19/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Alloimmunization to platelet-rich plasma (PRP) transfusions can cause adverse reactions such as platelet refractoriness or transplant rejection. Pathogen reduction treatment with ultraviolet light and riboflavin (UV + R) of allogeneic PRP was shown to reduce allogeneic antibody responses and confer partial antigen-specific immune tolerance to subsequent transfusions in mice. Studies have shown that UV + R was effective at both rapidly killing donor white blood cells (WBCs) and reducing their ability to stimulate an allogeneic response in vitro. However, the manner in which UV + R induces WBC death and its associated role in the immune response to treated PRP is unknown. METHODS AND MATERIALS This study evaluates whether UV + R causes WBC apoptosis by examining phosphatidylserine exposure on the plasma membrane, membrane asymmetry, caspase activity, and chromatin condensation by flow cytometry. The immunogenicity of WBCs killed with UV + R versus apoptotic or necrotic pathways was also examined in vivo. RESULTS WBCs after UV + R exhibited early apoptotic-like characteristics including phosphatidylserine exposure on the outer leaflet of the plasma membrane and loss of membrane asymmetry, but unlike canonical apoptotic cells, caspase activity and chromatin condensation were not apparent. However, in vivo studies demonstrated, unlike untreated or necrotic WBCs, both apoptotic WBCs and UV + R-treated WBCs failed to prime alloantibody responses to subsequent untreated transfusions. CONCLUSION Overall, the mechanism of WBC death following UV + R treatment shares some membrane characteristics of early apoptosis but is distinct from classic apoptosis. Despite these differences, UV + R-treated and apoptotic WBCs both offer some protection from alloimmunization.
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Affiliation(s)
| | - Marcus O Muench
- Vitalant Research Institute, San Francisco, California.,Department of Laboratory Medicine, University of California, San Francisco, California
| | | | - Rachael P Jackman
- Vitalant Research Institute, San Francisco, California.,Department of Laboratory Medicine, University of California, San Francisco, California
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42
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Abonnenc M, Crettaz D, Sonego G, Escolar G, Tissot JD, Prudent M. Towards the understanding of the UV light, riboflavin and additive solution contributions to the in vitro lesions observed in Mirasol®-treated platelets. Transfus Clin Biol 2019; 26:209-216. [PMID: 31563447 DOI: 10.1016/j.tracli.2019.09.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/07/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVES Pathogen reduction technologies are implemented to increase the safety of blood products. We previously showed that the UVB alone significantly contributes to the storage lesions observed in platelets treated with riboflavin/UVB using a home-made illuminator. The present study aims at confirming these observations using the commercial Mirasol® technology. METHODS A three-arm study (untreated, UV-, Mirasol®-treated platelets) was conducted to investigate the platelet storage lesions throughout storage (n=4). A two-arm study was then designed to compare Intersol and T-PAS+ additive solutions (n=3). Phenotype and functional platelet characteristics were assessed using flow cytometry, aggregometry, antioxidant assays and metabolic parameters. RESULTS Mirasol®-treated platelets exhibit enhanced storage lesions compared to controls (increase of activation markers and glycolysis rate, lower hypotonic shock and double-agonist activation responses, and decrease of total antioxidant capacity). Here, we also confirmed that the UV radiation alone is causing platelet lesions. Riboflavin tends to have an intracellular protective role while it decreases the extracellular antioxidant defenses. Furthermore, benefits of platelet additive solutions containing potassium and magnesium were confirmed as it reduces the extent of storage lesions. CONCLUSIONS The photosensitizer, UV illumination and composition of the platelet additive solutions are key parameters influencing the platelet storage lesion. The clinical relevance of these findings is not fully understood and recent published clinical studies could not show increase in bleeding in patients receiving Mirasol-treated platelets. New developments in storage solutions might help to improve storage conditions of PRT-treated platelets and should be prioritised as research subject in the future.
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Affiliation(s)
- M Abonnenc
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - D Crettaz
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - G Sonego
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - G Escolar
- Department of Hematopathology, Hospital Clinic of Barcelona, Biomedical Diagnosis Centre (CDB), Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - J-D Tissot
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland; Faculté de Biologie et de Médecine, Université de Lausanne, Lausanne, Switzerland
| | - M Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Recherche et Développement Produits, Transfusion Interrégionale CRS, Epalinges, Switzerland; Faculté de Biologie et de Médecine, Université de Lausanne, Lausanne, Switzerland.
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43
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Wiehe A, O'Brien JM, Senge MO. Trends and targets in antiviral phototherapy. Photochem Photobiol Sci 2019; 18:2565-2612. [PMID: 31397467 DOI: 10.1039/c9pp00211a] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Photodynamic therapy (PDT) is a well-established treatment option in the treatment of certain cancerous and pre-cancerous lesions. Though best-known for its application in tumor therapy, historically the photodynamic effect was first demonstrated against bacteria at the beginning of the 20th century. Today, in light of spreading antibiotic resistance and the rise of new infections, this photodynamic inactivation (PDI) of microbes, such as bacteria, fungi, and viruses, is gaining considerable attention. This review focuses on the PDI of viruses as an alternative treatment in antiviral therapy, but also as a means of viral decontamination, covering mainly the literature of the last decade. The PDI of viruses shares the general action mechanism of photodynamic applications: the irradiation of a dye with light and the subsequent generation of reactive oxygen species (ROS) which are the effective phototoxic agents damaging virus targets by reacting with viral nucleic acids, lipids and proteins. Interestingly, a light-independent antiviral activity has also been found for some of these dyes. This review covers the compound classes employed in the PDI of viruses and their various areas of use. In the medical area, currently two fields stand out in which the PDI of viruses has found broader application: the purification of blood products and the treatment of human papilloma virus manifestations. However, the PDI of viruses has also found interest in such diverse areas as water and surface decontamination, and biosafety.
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Affiliation(s)
- Arno Wiehe
- biolitec research GmbH, Otto-Schott-Str. 15, 07745 Jena, Germany. and Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - Jessica M O'Brien
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James's Hospital, Dublin 8, Ireland.
| | - Mathias O Senge
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James's Hospital, Dublin 8, Ireland.
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44
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Jacquot C, Mo YD, Luban NLC. New Approaches and Trials in Pediatric Transfusion Medicine. Hematol Oncol Clin North Am 2019; 33:507-520. [PMID: 31030816 DOI: 10.1016/j.hoc.2019.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Blood transfusions are frequently lifesaving, but there is growing awareness of their associated infectious and noninfectious adverse events. Patient blood management advocates for judicious use of transfusions and considerations of alternatives to correct anemia or achieve hemostasis. Several transfusion practices, either already implemented or under investigation, aim to further improve the safety of transfusions. An enduring challenge in pediatric and neonatal transfusion practice is that studies typically focus on adults, and findings are extrapolated to younger patients. This article aims to summarize some of the newer developments in transfusion medicine with a focus on the neonatal and pediatric population.
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Affiliation(s)
- Cyril Jacquot
- Division of Laboratory Medicine, Center for Cancer and Blood Disorders, Children's National Health System, Sheikh Zayed Campus for Advanced Children's Medicine, 111 Michigan Avenue Northwest, Washington, DC 20010, USA; Division of Hematology, Center for Cancer and Blood Disorders, Children's National Health System, Sheikh Zayed Campus for Advanced Children's Medicine, 111 Michigan Avenue Northwest, Washington, DC 20010, USA; Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, USA; Department of Pathology, George Washington University School of Medicine and Health Sciences, Washington, DC, USA.
| | - Yunchuan Delores Mo
- Division of Laboratory Medicine, Center for Cancer and Blood Disorders, Children's National Health System, Sheikh Zayed Campus for Advanced Children's Medicine, 111 Michigan Avenue Northwest, Washington, DC 20010, USA; Division of Hematology, Center for Cancer and Blood Disorders, Children's National Health System, Sheikh Zayed Campus for Advanced Children's Medicine, 111 Michigan Avenue Northwest, Washington, DC 20010, USA; Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, USA; Department of Pathology, George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Naomi L C Luban
- Division of Laboratory Medicine, Center for Cancer and Blood Disorders, Children's National Health System, Sheikh Zayed Campus for Advanced Children's Medicine, 111 Michigan Avenue Northwest, Washington, DC 20010, USA; Division of Hematology, Center for Cancer and Blood Disorders, Children's National Health System, Sheikh Zayed Campus for Advanced Children's Medicine, 111 Michigan Avenue Northwest, Washington, DC 20010, USA; Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, USA; Department of Pathology, George Washington University School of Medicine and Health Sciences, Washington, DC, USA
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45
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Mertes PM, Tacquard C, Andreu G, Kientz D, Gross S, Malard L, Drouet C, Carlier M, Gachet C, Sandid I, Boudjedir K. Hypersensitivity transfusion reactions to platelet concentrate: a retrospective analysis of the French hemovigilance network. Transfusion 2019; 60:507-512. [DOI: 10.1111/trf.15275] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 02/19/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Paul M. Mertes
- Department of Anesthesia and Intensive CareNouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg Strasbourg France
| | - Charles Tacquard
- Department of Anesthesia and Intensive CareNouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg Strasbourg France
| | | | - Daniel Kientz
- Etablissement Français du Sang Grand Est Strasbourg France
| | - Sylvie Gross
- Etablissement Français du Sang La Plaine Saint‐Denis France
| | - Lucile Malard
- Etablissement Français du Sang La Plaine Saint‐Denis France
| | - Christian Drouet
- INSERM U1016, CNRS UMR8104, Institut CochinUniversité Paris‐Descartes Paris France
| | - Monique Carlier
- Agence Régionale de Santé Grand Est Châlons en Champagne France
| | | | - Imad Sandid
- French National Agency for Medicines and Health Products Safety (ANSM) Saint Denis France
| | - Karim Boudjedir
- French National Agency for Medicines and Health Products Safety (ANSM) Saint Denis France
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46
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Jayawardena T, Hoad V, Styles C, Seed C, Bentley P, Clifford V, Lacey S, Gastrell T. Modelling the risk of transfusion-transmitted syphilis: a reconsideration of blood donation testing strategies. Vox Sang 2018; 114:107-116. [PMID: 30565234 DOI: 10.1111/vox.12741] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 10/08/2018] [Accepted: 11/20/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND AND OBJECTIVES Donor syphilis testing began in the 1940s amidst widespread transfusion-transmitted syphilis (TTS). Since then, the introduction of penicillin, pre-donation screening questionnaires and improved storage conditions have contributed to reducing transmission risk. Consequently, universal testing may no longer be cost-effective. This study analysed alternative options for donor syphilis testing to determine the optimal strategy. MATERIALS AND METHODS A model was developed using conservative parameter estimates for factors affecting TTS and 2009-2015 Australian donations to calculate risk outcomes (TTS infections, tertiary syphilis in recipients and transfusion-associated congenital syphilis) and cost-effectiveness of alternative testing strategies. The strategies modelled were as follows: universal testing, targeted-testing of high-risk groups (males ≤50 years old and first-time donors) and no testing. RESULTS The estimated risk of TTS is one in 49·5 million transfusions for universal testing, one in 6 million for targeted-testing of males ≤50 years old, one in 4 million for targeted-testing of first-time donors and one in 2·8 million for no testing. For all strategies, the risk of tertiary and congenital syphilis is <1 in 100 million. Universal testing is the least cost-effective strategy with an incremental cost-effectiveness ratio (ICER) estimated at $538·5 million per disability-adjusted life year averted. CONCLUSION Universal testing is not required to maintain the risk of TTS within tolerable limits and is estimated to greatly exceed acceptable ICERs for blood safety interventions. However, despite a strong economic and risk-based rationale, given the epidemiology of syphilis in Australia is changing, feedback from critical stakeholders is not currently supportive of reducing testing.
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Affiliation(s)
- Thisuri Jayawardena
- Faculty of Health and Medical Sciences, University of Western Australia, Perth, WA, Australia
| | - Veronica Hoad
- Australian Red Cross Blood Service, Perth, WA, Australia
| | - Claire Styles
- Australian Red Cross Blood Service, Perth, WA, Australia
| | - Clive Seed
- Australian Red Cross Blood Service, Perth, WA, Australia
| | - Peter Bentley
- Faculty of Health and Medical Sciences, University of Western Australia, Perth, WA, Australia.,Australian Red Cross Blood Service, Perth, WA, Australia
| | | | - Sarina Lacey
- Centre for International Economics, Sydney, NSW, Australia
| | - Tessa Gastrell
- Centre for International Economics, Sydney, NSW, Australia
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47
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Abonnenc M, Tissot JD, Prudent M. General overview of blood products in vitro quality: Processing and storage lesions. Transfus Clin Biol 2018; 25:269-275. [PMID: 30241785 DOI: 10.1016/j.tracli.2018.08.162] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 08/29/2018] [Indexed: 12/12/2022]
Abstract
Blood products are issued from blood collection. Collected blood is immediately mixed with anticoagulant solutions that immediately induce chemical and/or biochemical modifications. Collected blood is then transformed into different blood products according to various steps of fabrication. All these steps induce either reversible or irreversible "preparation-related" lesions that combine with "storage-related" lesions. This short paper aims to provide an overview of the alterations that are induced by the "non-physiological" processes used to prepare blood products that are used in clinical practice.
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Affiliation(s)
- Mélanie Abonnenc
- Transfusion interrégionale CRS, laboratoire de recherche sur les produits sanguins, route de la Corniche 2, 1066 Epalinges, Switzerland
| | - Jean-Daniel Tissot
- Transfusion interrégionale CRS, laboratoire de recherche sur les produits sanguins, route de la Corniche 2, 1066 Epalinges, Switzerland; Faculté de biologie et de médecine, université de Lausanne, Lausanne, Switzerland
| | - Michel Prudent
- Transfusion interrégionale CRS, laboratoire de recherche sur les produits sanguins, route de la Corniche 2, 1066 Epalinges, Switzerland; Faculté de biologie et de médecine, université de Lausanne, Lausanne, Switzerland.
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48
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Pierelli L, Vacca M, Zini G, Maresca M, Menichella G, Santinelli S, Stigliano MA, Mandarello G, Gasbarri R, Vaglio S. Emergency response of four transfusion centers during the last Chikungunya outbreak in Italy. Transfusion 2018; 58:3027-3030. [PMID: 30315667 DOI: 10.1111/trf.14892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 06/30/2018] [Accepted: 07/11/2018] [Indexed: 11/30/2022]
Abstract
Between September 15 and November 11, 2017, the area of Rome was subjected to cessation of donation in an area of approximately 1,300,000 inhabitants and with a 5-day quarantine for the rest of metropolitan areas due to Chikungunya virus (CHIKV) outbreak. Quarantine was applied to red blood cell (RBC) and plasma units while platelet concentrates (PCs) were subjected to pathogen inactivation methods (PIMs). Quarantine was based on an active recall of all donors and, in case of declared absence of any symptom or illness, on release of RBC and plasma units after 5 days. Four regional centers in which PIMs were already performed were charged for PIMs for the rest of Rome's area. These centers increased by 236% their previous PIM procedures, producing additional 1425 pathogen-reduced (PR) PCs in 57 days, beside their production (996 PR PCs) for local needs. The emergency support was close to the maximal production capacity of the four centers and was successful only thanks to the limited length of emergency. No adverse events were reported by all centers through a passive hemovigilance approach and by a follow-up of approximately 4 months. None of the donors referred symptoms or illness at recall and none of the blood products were discarded after quarantine. To date, no cases of CHIKV-transmitted infection were reported in transfused patients. This experience has taught some relevant strategic and organizing aspects that should be taken into account when an infectious outbreak must be faced in a large metropolitan area.
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Affiliation(s)
- Luca Pierelli
- Department of Experimental Medicine, Sapienza University Rome, Rome.,Transfusion Medicine, San Camillo Forlanini Hospital, Rome
| | - Michele Vacca
- Transfusion Medicine, San Camillo Forlanini Hospital, Rome
| | - Gina Zini
- Transfusion Medicine, A. Gemelli Hospital, Catholic University of Rome, Rome
| | - Maddalena Maresca
- Transfusion Medicine, A. Gemelli Hospital, Catholic University of Rome, Rome
| | | | | | | | | | - Roberto Gasbarri
- Transfusion Medicine, Belcolle Hospital/ASL Viterbo, Viterbo, Italy
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49
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Reflections on the dynamics of bacterial and viral contamination of blood components and the levels of efficacy for pathogen inactivation processes. Transfus Apher Sci 2018; 57:683-688. [DOI: 10.1016/j.transci.2018.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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50
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Jacquot C, Delaney M. Pathogen-inactivated blood products for pediatric patients: blood safety, patient safety, or both? Transfusion 2018; 58:2095-2101. [DOI: 10.1111/trf.14811] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/16/2018] [Accepted: 04/19/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Cyril Jacquot
- Divisions of Pathology & Laboratory Medicine; Children's National Health System; Washington DC
- Departments of Pathology & Pediatrics, School of Medicine and Health Sciences; The George Washington University; Washington DC
| | - Meghan Delaney
- Divisions of Pathology & Laboratory Medicine; Children's National Health System; Washington DC
- Departments of Pathology & Pediatrics, School of Medicine and Health Sciences; The George Washington University; Washington DC
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