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Struyf N, Österroos A, Vesterlund M, Arnroth C, James T, Sunandar S, Mermelekas G, Bohlin A, Hamberg Levedahl K, Bengtzén S, Jafari R, Orre LM, Lehtiö J, Lehmann S, Östling P, Kallioniemi O, Seashore-Ludlow B, Erkers T. Delineating functional and molecular impact of ex vivo sample handling in precision medicine. NPJ Precis Oncol 2024; 8:38. [PMID: 38374206 PMCID: PMC10876937 DOI: 10.1038/s41698-024-00528-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 01/30/2024] [Indexed: 02/21/2024] Open
Abstract
Consistent handling of samples is crucial for achieving reproducible molecular and functional testing results in translational research. Here, we used 229 acute myeloid leukemia (AML) patient samples to assess the impact of sample handling on high-throughput functional drug testing, mass spectrometry-based proteomics, and flow cytometry. Our data revealed novel and previously described changes in cell phenotype and drug response dependent on sample biobanking. Specifically, myeloid cells with a CD117 (c-KIT) positive phenotype decreased after biobanking, potentially distorting cell population representations and affecting drugs targeting these cells. Additionally, highly granular AML cell numbers decreased after freezing. Secondly, protein expression levels, as well as sensitivity to drugs targeting cell proliferation, metabolism, tyrosine kinases (e.g., JAK, KIT, FLT3), and BH3 mimetics were notably affected by biobanking. Moreover, drug response profiles of paired fresh and frozen samples showed that freezing samples can lead to systematic errors in drug sensitivity scores. While a high correlation between fresh and frozen for the entire drug library was observed, freezing cells had a considerable impact at an individual level, which could influence outcomes in translational studies. Our study highlights conditions where standardization is needed to improve reproducibility, and where validation of data generated from biobanked cohorts may be particularly important.
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Affiliation(s)
- Nona Struyf
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden.
| | - Albin Österroos
- Department of Medical Sciences, Uppsala University Hospital, Uppsala, Sweden
| | - Mattias Vesterlund
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Cornelia Arnroth
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Tojo James
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Stephanie Sunandar
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Georgios Mermelekas
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Anna Bohlin
- Department of Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institute, Stockholm, Sweden
| | | | - Sofia Bengtzén
- Department of Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institute, Stockholm, Sweden
| | - Rozbeh Jafari
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Lukas M Orre
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Janne Lehtiö
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Sören Lehmann
- Department of Medical Sciences, Uppsala University Hospital, Uppsala, Sweden
- Department of Medicine, Center for Hematology and Regenerative Medicine, Karolinska Institute, Stockholm, Sweden
| | - Päivi Östling
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Olli Kallioniemi
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
- Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland
| | - Brinton Seashore-Ludlow
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden
| | - Tom Erkers
- Department of Oncology-Pathology, Karolinska Institutet, Science for Life Laboratory, Stockholm, Sweden.
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Jouhara H, Chauhan A, Guichet V, Delpech B, Abdelkarem MA, Olabi A, Trembley J. Low-temperature heat transfer mediums for cryogenic applications. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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3
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Ren S, Shu Z, Pan J, Wang Z, Ma R, Peng J, Chen M, Gao D. Single-Mode Electromagnetic Resonance Rewarming for the Cryopreservation of Samples with Large Volumes: A Numerical and Experimental Study. Biopreserv Biobank 2022; 20:317-322. [PMID: 35984939 DOI: 10.1089/bio.2022.0107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Rapid and uniform rewarming has been proved to be beneficial, and sometimes indispensable for the survival of cryopreserved biomaterials, inhibiting ice-recrystallization-devitrification and thermal stress-induced fracture (especially in large samples). To date, the convective water bath remains the gold standard rewarming method for small samples in the clinical settings, but it failed in the large samples (e.g., cryopreserved tissues and organs) due to damage caused by the slow and nonuniform heating. A single-mode electromagnetic resonance (SMER) system was developed to achieve ultrafast and uniform rewarming for large samples. In this study, we investigated the heating effects of the SMER system and compared the heating performance with water bath and air warming. A numerical model was established to further analyze the temperature change and distribution at different time points during the rewarming process. Overall, the SMER system achieved rapid heating at 331.63 ± 8.59°C min-1 while limiting the maximum thermal gradient to <9°C min-1, significantly better than the other two warming methods. The experimental results were highly consistent, indicating SMER is a promising rewarming technology for the successful cryopreservation of large biosamples.
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Affiliation(s)
- Shen Ren
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA.,Department of Mechanical Engineering, Seattle University, Seattle, Washington, USA
| | - Zhiquan Shu
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA.,School of Engineering and Technology, University of Washington-Tacoma, Tacoma, Washington, USA
| | - Jiaji Pan
- College of Engineering and Design, Hunan Normal University, Changsha, Hunan, China.,State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Normal University, Changsha, Hunan, China
| | - Ziyuan Wang
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA
| | - Ruidong Ma
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA
| | - Ji Peng
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA
| | - Ming Chen
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA
| | - Dayong Gao
- Department of Mechanical Engineering, University of Washington, Seattle, Washington, USA
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4
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Kilbride P, Meneghel J, Fonseca F, Morris J. The transfer temperature from slow cooling to cryogenic storage is critical for optimal recovery of cryopreserved mammalian cells. PLoS One 2021; 16:e0259571. [PMID: 34784361 PMCID: PMC8594829 DOI: 10.1371/journal.pone.0259571] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 10/21/2021] [Indexed: 11/22/2022] Open
Abstract
Cryopreservation is a key step for the effective delivery of many cell therapies and for the maintenance of biological materials for research. The preservation process must be carefully controlled to ensure maximum, post-thaw recovery using cooling rates slow enough to allow time for cells to cryodehydrate sufficiently to avoid lethal intracellular ice. This study focuses on determining the temperature necessary at the end of controlled slow cooling before transfer to cryogenic storage which ensures optimal recovery of the processed cell samples. Using nucleated, mammalian cell lines derived from liver (HepG2), ovary (CHO) and bone tissue (MG63) this study has shown that cooling must be controlled to -40°C before transfer to long term storage to ensure optimal cell recovery. No further advantage was seen by controlling cooling to lower temperatures. These results are consistent with collected differential scanning calorimetry data, that indicated the cells underwent an intracellular, colloidal glass transition between -49 and -59°C (Tg’i) in the presence of the cryoprotective agent dimethyl sulfoxide (DMSO). The glass forms at the point of maximum cryodehydration and no further cellular dehydration is possible. At this point the risk of lethal intracellular ice forming on transfer to ultra-low temperature storage is eliminated. In practice it may not be necessary to continue slow cooling to below this temperature as optimal recovery at -40°C indicates that the cells have become sufficiently dehydrated to avoid further, significant damage when transferred into ultra-low temperature storage.
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Affiliation(s)
| | | | - Fernanda Fonseca
- INRAE, AgroParisTech, UMR SayFood, Université Paris-Saclay, Thiverval-Grignon, France
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5
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Meneghel J, Kilbride P, Morris GJ. Cryopreservation as a Key Element in the Successful Delivery of Cell-Based Therapies-A Review. Front Med (Lausanne) 2020; 7:592242. [PMID: 33324662 PMCID: PMC7727450 DOI: 10.3389/fmed.2020.592242] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 10/23/2020] [Indexed: 12/24/2022] Open
Abstract
Cryopreservation is a key enabling technology in regenerative medicine that provides stable and secure extended cell storage for primary tissue isolates and constructs and prepared cell preparations. The essential detail of the process as it can be applied to cell-based therapies is set out in this review, covering tissue and cell isolation, cryoprotection, cooling and freezing, frozen storage and transport, thawing, and recovery. The aim is to provide clinical scientists with an overview of the benefits and difficulties associated with cryopreservation to assist them with problem resolution in their routine work, or to enable them to consider future involvement in cryopreservative procedures. It is also intended to facilitate networking between clinicians and cryo-researchers to review difficulties and problems to advance protocol optimization and innovative design.
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Affiliation(s)
- Julie Meneghel
- Asymptote, Cytiva, Danaher Corporation, Cambridge, United Kingdom
| | - Peter Kilbride
- Asymptote, Cytiva, Danaher Corporation, Cambridge, United Kingdom
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Pogozhykh D, Eicke D, Gryshkov O, Wolkers WF, Schulze K, Guzmán CA, Blasczyk R, Figueiredo C. Towards Reduction or Substitution of Cytotoxic DMSO in Biobanking of Functional Bioengineered Megakaryocytes. Int J Mol Sci 2020; 21:ijms21207654. [PMID: 33081128 PMCID: PMC7589913 DOI: 10.3390/ijms21207654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/05/2020] [Accepted: 10/14/2020] [Indexed: 11/30/2022] Open
Abstract
Donor platelet transfusion is currently the only efficient treatment of life-threatening thrombocytopenia, but it is highly challenged by immunological, quality, and contamination issues, as well as short shelf life of the donor material. Ex vivo produced megakaryocytes and platelets represent a promising alternative strategy to the conventional platelet transfusion. However, practical implementation of such strategy demands availability of reliable biobanking techniques, which would permit eliminating continuous cell culture maintenance, ensure time for quality testing, enable stock management and logistics, as well as availability in a ready-to-use manner. At the same time, protocols applying DMSO-based cryopreservation media were associated with increased risks of adverse long-term side effects after patient use. Here, we show the possibility to develop cryopreservation techniques for iPSC-derived megakaryocytes under defined xeno-free conditions with significant reduction or complete elimination of DMSO. Comprehensive phenotypic and functional in vitro characterization of megakaryocytes has been performed before and after cryopreservation. Megakaryocytes cryopreserved DMSO-free, or using low DMSO concentrations, showed the capability to produce platelets in vivo after transfusion in a mouse model. These findings propose biobanking approaches essential for development of megakaryocyte-based replacement and regenerative therapies.
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Affiliation(s)
- Denys Pogozhykh
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, 30625 Hannover, Germany; (D.E.); (R.B.)
- Correspondence: (D.P.); (C.F.)
| | - Dorothee Eicke
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, 30625 Hannover, Germany; (D.E.); (R.B.)
| | - Oleksandr Gryshkov
- Institute for Multiphase Processes, Leibniz Universität Hannover, 30823 Garbsen, Germany;
| | - Willem F. Wolkers
- Unit for Reproductive Medicine, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
| | - Kai Schulze
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; (K.S.); (C.A.G.)
| | - Carlos A. Guzmán
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany; (K.S.); (C.A.G.)
| | - Rainer Blasczyk
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, 30625 Hannover, Germany; (D.E.); (R.B.)
| | - Constança Figueiredo
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, 30625 Hannover, Germany; (D.E.); (R.B.)
- Correspondence: (D.P.); (C.F.)
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7
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Hon M, Thomovsky EJ, Brooks AC, Johnson PA. Cryopreservation of feline red blood cells in liquid nitrogen using glycerol and hydroxyethyl starch. J Feline Med Surg 2020; 22:366-375. [PMID: 31232153 PMCID: PMC10814660 DOI: 10.1177/1098612x19850932] [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: 11/16/2022]
Abstract
OBJECTIVES The objective of this study was to evaluate the techniques and short-term effects of cryopreservation of feline red blood cells (RBCs) in liquid nitrogen using glycerol or hydroxyethyl starch (HES) as a cryoprotectant. METHODS Feline RBCs were manually mixed with either 20% glycerol or 12.5% HES and frozen for 24 h in liquid nitrogen. The samples were thawed and glycerolized samples were manually washed. Success of the freeze/thaw process was determined by recovery rate of RBCs and evaluation of morphological changes using scanning electron microscopy (SEM). A unit of canine packed RBCs was also subjected to the same methodology to evaluate the cryopreservation handling technique. RESULTS Feline RBCs preserved with 20% glycerol had a high recovery rate (94.23 ± 1.25%) immediately after thawing. However, the majority of the cells were lost during the washing process, with a final packed cell volume of <1%. A recovery rate was unable to be assessed for samples preserved with HES owing to the high viscosity of the mixture. SEM revealed significant morphological changes after glycerol was added to the feline RBCs. Although these morphological changes were partially reversed after thawing, the majority of the RBCs were lost during the washing process. Minimal morphological changes were noted in the HES sample. Similar results were noted with the canine RBCs. CONCLUSIONS AND RELEVANCE The described manual technique for cryopreservation using glycerol was not able to successfully preserve feline or canine RBCs. In the present study, it was difficult to make conclusions about the efficacy of HES. Further studies evaluating HES as a cryoprotectant are warranted.
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Affiliation(s)
- Marcelle Hon
- Department of Veterinary Clinical Sciences, Purdue University College of Veterinary Medicine, West Lafayette, IN, USA
| | - Elizabeth J Thomovsky
- Department of Veterinary Clinical Sciences, Purdue University College of Veterinary Medicine, West Lafayette, IN, USA
| | - Aimee C Brooks
- Department of Veterinary Clinical Sciences, Purdue University College of Veterinary Medicine, West Lafayette, IN, USA
| | - Paula A Johnson
- Department of Veterinary Clinical Sciences, Purdue University College of Veterinary Medicine, West Lafayette, IN, USA
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8
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Pathak AK, Shiau JC, Thomas MB, Murdock CC. Cryogenically preserved RBCs support gametocytogenesis of Plasmodium falciparum in vitro and gametogenesis in mosquitoes. Malar J 2018; 17:457. [PMID: 30522507 PMCID: PMC6282341 DOI: 10.1186/s12936-018-2612-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 12/01/2018] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND The malaria Eradication Research Agenda (malERA) has identified human-to-mosquito transmission of Plasmodium falciparum as a major target for eradication. The cornerstone for identifying and evaluating transmission in the laboratory is standard membrane feeding assays (SMFAs) where mature gametocytes of P. falciparum generated in vitro are offered to mosquitoes as part of a blood-meal. However, propagation of "infectious" gametocytes requires 10-12 days with considerable physico-chemical demands imposed on host RBCs and thus, "fresh" RBCs that are ≤ 1-week old post-collection are generally recommended. However, in addition to the costs, physico-chemical characteristics unique to RBC donors may confound reproducibility and interpretation of SMFAs. Cryogenic storage of RBCs ("cryo-preserved RBCs") is accepted by European and US FDAs as an alternative to refrigeration (4 °C) for preserving RBC "quality" and while cryo-preserved RBCs have been used for in vitro cultures of other Plasmodia and the asexual stages of P. falciparum, none of the studies required RBCs to support parasite development for > 4 days. RESULTS Using the standard laboratory strain, P. falciparum NF54, 11 SMFAs were performed with RBCs from four separate donors to demonstrate that RBCs cryo-preserved in the gaseous phase of liquid nitrogen (- 196 °C) supported gametocytogenesis in vitro and subsequent gametogenesis in Anopheles stephensi mosquitoes. Overall levels of sporogony in the mosquito, as measured by oocyst and sporozoite prevalence, as well as oocyst burden, from each of the four donors thawed after varying intervals of cryopreservation (1, 4, 8, and 12 weeks) were comparable to using ≤ 1-week old refrigerated RBCs. Lastly, the potential for cryo-preserved RBCs to serve as a suitable alternative substrate is demonstrated for a Cambodian isolate of P. falciparum across two independent SMFAs. CONCLUSIONS Basic guidelines are presented for integrating cryo-preserved RBCs into an existing laboratory/insectary framework for P. falciparum SMFAs with significant potential for reducing running costs while achieving greater reliability. Lastly, scenarios are discussed where cryo-preserved RBCs may be especially useful in enhancing the understanding and/or providing novel insights into the patterns and processes underlying human-to-mosquito transmission.
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Affiliation(s)
- Ashutosh K Pathak
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, 30602, USA.
| | - Justine C Shiau
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, 30602, USA
| | - Matthew B Thomas
- Center for Infectious Disease Dynamics and the Department of Entomology, Pennsylvania State University, State College, PA, 16803, USA
| | - Courtney C Murdock
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, 30602, USA
- Odum School of Ecology, University of Georgia, Athens, GA, 30602, USA
- Center for Ecology of Infectious Diseases, University of Georgia, Athens, GA, 30602, USA
- Center for Tropical Emerging Global Diseases, University of Georgia, Athens, GA, 30602, USA
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, 30602, USA
- Riverbasin Center, University of Georgia, Athens, GA, 30602, USA
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Advances in the slow freezing cryopreservation of microencapsulated cells. J Control Release 2018; 281:119-138. [PMID: 29782945 DOI: 10.1016/j.jconrel.2018.05.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/12/2018] [Accepted: 05/15/2018] [Indexed: 12/20/2022]
Abstract
Over the past few decades, the use of cell microencapsulation technology has been promoted for a wide range of applications as sustained drug delivery systems or as cells containing biosystems for regenerative medicine. However, difficulty in their preservation and storage has limited their availability to healthcare centers. Because the preservation in cryogenic temperatures poses many biological and biophysical challenges and that the technology has not been well understood, the slow cooling cryopreservation, which is the most used technique worldwide, has not given full measure of its full potential application yet. This review will discuss the different steps that should be understood and taken into account to preserve microencapsulated cells by slow freezing in a successful and simple manner. Moreover, it will review the slow freezing preservation of alginate-based microencapsulated cells and discuss some recommendations that the research community may pursue to optimize the preservation of microencapsulated cells, enabling the therapy translate from bench to the clinic.
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10
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Tseng HY, Malfesi S, Tehranchi N, Rahbar M, Jones J, Gray BL. On-Board Array for Multiplexed Semi-Active Cooling-Rate-Controlled Cryopreservation of Living Cells. J Med Biol Eng 2016. [DOI: 10.1007/s40846-016-0123-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Henkelman S, Noorman F, Badloe JF, Lagerberg JWM. Utilization and quality of cryopreserved red blood cells in transfusion medicine. Vox Sang 2014; 108:103-12. [PMID: 25471135 DOI: 10.1111/vox.12218] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Revised: 09/18/2014] [Accepted: 09/19/2014] [Indexed: 02/06/2023]
Abstract
Cryopreserved (frozen) red blood cells have been used in transfusion medicine since the Vietnam war. The main method to freeze the red blood cells is by usage of glycerol. Although the usage of cryopreserved red blood cells was promising due to the prolonged storage time and the limited cellular deterioration at subzero temperatures, its usage have been hampered due to the more complex and labour intensive procedure and the limited shelf life of thawed products. Since the FDA approval of a closed (de) glycerolization procedure in 2002, allowing a prolonged postthaw storage of red blood cells up to 21 days at 2-6°C, cryopreserved red blood cells have become a more utilized blood product. Currently, cryopreserved red blood cells are mainly used in military operations and to stock red blood cells with rare phenotypes. Yet, cryopreserved red blood cells could also be useful to replenish temporary blood shortages, to prolong storage time before autologous transfusion and for IgA-deficient patients. This review describes the main methods to cryopreserve red blood cells, explores the quality of this blood product and highlights clinical settings in which cryopreserved red blood cells are or could be utilized.
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Affiliation(s)
- S Henkelman
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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12
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Massie I, Selden C, Hodgson H, Fuller B, Gibbons S, Morris GJ. GMP cryopreservation of large volumes of cells for regenerative medicine: active control of the freezing process. Tissue Eng Part C Methods 2014; 20:693-702. [PMID: 24410575 DOI: 10.1089/ten.tec.2013.0571] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Cryopreservation protocols are increasingly required in regenerative medicine applications but must deliver functional products at clinical scale and comply with Good Manufacturing Process (GMP). While GMP cryopreservation is achievable on a small scale using a Stirling cryocooler-based controlled rate freezer (CRF) (EF600), successful large-scale GMP cryopreservation is more challenging due to heat transfer issues and control of ice nucleation, both complex events that impact success. We have developed a large-scale cryocooler-based CRF (VIA Freeze) that can process larger volumes and have evaluated it using alginate-encapsulated liver cell (HepG2) spheroids (ELS). It is anticipated that ELS will comprise the cellular component of a bioartificial liver and will be required in volumes of ∼2 L for clinical use. Sample temperatures and Stirling cryocooler power consumption was recorded throughout cooling runs for both small (500 μL) and large (200 mL) volume samples. ELS recoveries were assessed using viability (FDA/PI staining with image analysis), cell number (nuclei count), and function (protein secretion), along with cryoscanning electron microscopy and freeze substitution techniques to identify possible injury mechanisms. Slow cooling profiles were successfully applied to samples in both the EF600 and the VIA Freeze, and a number of cooling and warming profiles were evaluated. An optimized cooling protocol with a nonlinear cooling profile from ice nucleation to -60°C was implemented in both the EF600 and VIA Freeze. In the VIA Freeze the nucleation of ice is detected by the control software, allowing both noninvasive detection of the nucleation event for quality control purposes and the potential to modify the cooling profile following ice nucleation in an active manner. When processing 200 mL of ELS in the VIA Freeze-viabilities at 93.4% ± 7.4%, viable cell numbers at 14.3 ± 1.7 million nuclei/mL alginate, and protein secretion at 10.5 ± 1.7 μg/mL/24 h were obtained which, compared well with control ELS (viability -98.1% ± 0.9%; viable cell numbers -18.3 ± 1.0 million nuclei/mL alginate; and protein secretion -18.7 ± 1.8 μg/mL/24 h). Large volume GMP cryopreservation of ELS is possible with good functional recovery using the VIA Freeze and may also be applied to other regenerative medicine applications.
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Affiliation(s)
- Isobel Massie
- 1 UCL Institute for Liver and Digestive Health-Liver Group, University College Medical School , London, United Kingdom
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Effect of a magnetic field on Drosophila under supercooled conditions. PLoS One 2012; 7:e51902. [PMID: 23284809 PMCID: PMC3532350 DOI: 10.1371/journal.pone.0051902] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Accepted: 11/12/2012] [Indexed: 11/19/2022] Open
Abstract
Under subzero degree conditions, free water contained in biological cells tends to freeze and then most living things die due to low temperatures. We examined the effect of a variable magnetic field on Drosophila under supercooled conditions (a state in which freezing is not caused even below the freezing point). Under such supercooled conditions with the magnetic field at 0°C for 72 hours, -4°C for 24 hours and -8°C for 1 hour, the Drosophila all survived, while all conversely died under the supercooled conditions without the magnetic field. This result indicates a possibility that the magnetic field can reduce cell damage caused due to low temperatures in living things.
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Stoll C, Wolkers WF. Membrane Stability during Biopreservation of Blood Cells. ACTA ACUST UNITED AC 2011; 38:89-97. [PMID: 21566710 DOI: 10.1159/000326900] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2011] [Accepted: 01/31/2011] [Indexed: 01/09/2023]
Abstract
SUMMARY: Storage methods, which can be taken into consideration for red blood cells and platelets, include liquid storage, cryopreservation and freeze-drying. Red blood cells can be hypothermically stored at refrigerated temperatures, whereas platelets are chilling sensitive and therefore cannot be stored at temperatures below 20 °C. Here we give an overview of available cryopreservation and freeze-drying procedures for blood cells and discuss the effects of these procedures on cells, particularly on cellular membranes. Cryopreservation and freeze-drying may result in chemical and structural modifications of cellular membranes. Membranes undergo phase and permeability changes during freezing and drying. Cryo- and lyoprotective agents prevent membrane damage by different mechanisms. Cryoprotective agents are preferentially excluded from membrane surfaces. They decrease the activation energy for water transport during freezing and control the rate of cellular dehydration. Lyoprotectants are thought to stabilize membranes during drying by forming direct hydrogen bonding interactions with phospholipid head groups. In addition, lyoprotectants can form a glassy state at room temperature. Recently liposomes have been investigated to stabilize blood cells during freezing and freeze-drying. Liposomes modify the composition of cellular membranes by lipid and cholesterol transfer, which can stabilize or destabilize the low temperature response of cells.
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Affiliation(s)
- Christoph Stoll
- Institute of Multiphase Processes, Leibniz Universität Hannover, Germany
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Sputtek A, Lioznov M, Kröger N, Rowe AW. Bioequivalence comparison of a new freezing bag (CryoMACS(®)) with the Cryocyte(®) freezing bag for cryogenic storage of human hematopoietic progenitor cells. Cytotherapy 2010; 13:481-9. [PMID: 21077731 DOI: 10.3109/14653249.2010.529891] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND AIMS We investigated two different plastic freezing bags, namely the most recently U.S. Food and Drug Administration (FDA)-approved CryoMACS(®) freezing bag (200-074-402) from Miltenyi Biotec and the familiar Cryocyte(®) freezing bag (R4R9955) from (Baxter Healthcare, Deerfield, IL, United States) for the cryogenic storage of human hematopoietic progenitor cells (HPC). METHODS The study material consisted of 12 frozen HPC pairs (= 24 transplant units) that were no longer needed for autologous treatment of patients. After thawing, one unit of a pair was transferred into the Miltenyi (M) bag; the other unit remained in the original Baxter (B) bag. After refreezing both units, all units were stored again under cryogenic conditions either partially immersed in liquid nitrogen (n = 22) or in the vapor phase over liquid nitrogen, n = 2, <-170°) before thawing. RESULTS The correlation coefficients (r) between the results obtained from the two bag types were high for white blood cells (WBC) content (r = 0.98), mononuclear cells (MNC) (r = 0.97), lymphocytes (r = 0.98), monocytes (r = 0.96), membrane integrity (r = 0.93), concentration of 'free' hemoglobin (r = 0.97) and hemolysis rate (r = 0.95). With regard to clonogenicity, there were no significant differences (Student's paired t-test) for the three parameters investigated [i.e. total number of colonies, including the numbers of burst-forming units-erythroid (BFU-E) and colony-forming units-granulocyte-macrophage (CFU-GM) colonies, respectively). CONCLUSIONS The CryoMACS freezing bag 200-074-402 is bioequivalent to the Cryocyte freezing container R4R9955. An advantageous feature of the CryoMACS is that its double-sterile wrapping provides additional safety regarding potential cross-contamination during cryogenic storage.
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Affiliation(s)
- Andreas Sputtek
- University Medical Center Hamburg-Eppendorf, Department of Transfusion Medicine, Hamburg, Germany.
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Deutsch M, Afrimzon E, Namer Y, Shafran Y, Sobolev M, Zurgil N, Deutsch A, Howitz S, Greuner M, Thaele M, Zimmermann H, Meiser I, Ehrhart F. The individual-cell-based cryo-chip for the cryopreservation, manipulation and observation of spatially identifiable cells. I: methodology. BMC Cell Biol 2010; 11:54. [PMID: 20609216 PMCID: PMC2912820 DOI: 10.1186/1471-2121-11-54] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2009] [Accepted: 07/07/2010] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Cryopreservation is the only widely applicable method of storing vital cells for nearly unlimited periods of time. Successful cryopreservation is essential for reproductive medicine, stem cell research, cord blood storage and related biomedical areas. The methods currently used to retrieve a specific cell or a group of individual cells with specific biological properties after cryopreservation are quite complicated and inefficient. RESULTS The present study suggests a new approach in cryopreservation, utilizing the Individual Cell-based Cryo-Chip (i3C). The i3C is made of materials having appropriate durability for cryopreservation conditions. The core of this approach is an array of picowells, each picowell designed to maintain an individual cell during the severe conditions of the freezing--thawing cycle and accompanying treatments. More than 97% of cells were found to retain their position in the picowells throughout the entire freezing--thawing cycle and medium exchange. Thus the comparison between pre-freezing and post-thawing data can be achieved at an individual cell resolution. The intactness of cells undergoing slow freezing and thawing, while residing in the i3C, was found to be similar to that obtained with micro-vials. However, in a fast freezing protocol, the i3C was found to be far superior. CONCLUSIONS The results of the present study offer new opportunities for cryopreservation. Using the present methodology, the cryopreservation of individual identifiable cells, and their observation and retrieval, at an individual cell resolution become possible for the first time. This approach facilitates the correlation between cell characteristics before and after the freezing--thawing cycle. Thus, it is expected to significantly enhance current cryopreservation procedures for successful regenerative and reproductive medicine.
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Affiliation(s)
- Mordechai Deutsch
- The Biophysical Interdisciplinary Schottenstein Center for the Research and Technology of the Cellome, Bar-Ilan University, Ramat Gan 52900, Israel.
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Abstract
Biobanks, more formally known as biological resource centers (BRCs), form an "unsung" yet critical component of the infrastructures for scientific research, industry and conservation, without which much of the current scientific activity involving microbial cultures and cell-lines would be effectively impossible. BRCs are de facto depositories of "biological standards" holding taxonomic and other reference strains on which much of the associated published science and industrial standards are built and upon which some significant international commercial and ethical issues rely. The establishment and maintenance of BRCs is a knowledge- and skill-rich activity that in particular requires careful attention to the implementation of reliable preservation technologies and appropriate quality assurance to ensure that recovered cultures and other biological materials perform in the same way as the originally isolated culture or material. There are many types of BRC, which vary both in the kinds of material they hold and in their functional role. All BRCs are expected to provide materials and information of an appropriate quality for their intended use and work to standards relevant to those applications. There are important industrial, biomedical, and conservation issues that can only be addressed through effective and efficient operation of BRCs in the long term. This requires a high degree of expertise in the maintenance and management of collections of biological materials at ultra-low temperatures, or as freeze-dried material, to secure their long-term integrity and relevance for future research, development, and conservation.
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Sputtek A, Kühnl P, Rowe AW. Cryopreservation of Erythrocytes, Thrombocytes, and Lymphocytes. Transfus Med Hemother 2007. [DOI: 10.1159/000104136] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Josefsson EC, Hartwig JH, Hoffmeister KM. Platelet Storage Temperature – How Low Can We Go? Transfus Med Hemother 2007. [DOI: 10.1159/000103920] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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