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Marquez-Curtis LA, Elliott JAW. Mesenchymal stromal cells derived from various tissues: Biological, clinical and cryopreservation aspects: Update from 2015 review. Cryobiology 2024; 115:104856. [PMID: 38340887 DOI: 10.1016/j.cryobiol.2024.104856] [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: 11/28/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
Mesenchymal stromal cells (MSCs) have become one of the most investigated and applied cells for cellular therapy and regenerative medicine. In this update of our review published in 2015, we show that studies continue to abound regarding the characterization of MSCs to distinguish them from other similar cell types, the discovery of new tissue sources of MSCs, and the confirmation of their properties and functions that render them suitable as a therapeutic. Because cryopreservation is widely recognized as the only technology that would enable the on-demand availability of MSCs, here we show that although the traditional method of cryopreserving cells by slow cooling in the presence of 10% dimethyl sulfoxide (Me2SO) continues to be used by many, several novel MSC cryopreservation approaches have emerged. As in our previous review, we conclude from these recent reports that viable and functional MSCs from diverse tissues can be recovered after cryopreservation using a variety of cryoprotectants, freezing protocols, storage temperatures, and periods of storage. We also show that for logistical reasons there are now more studies devoted to the cryopreservation of tissues from which MSCs are derived. A new topic included in this review covers the application in COVID-19 of MSCs arising from their immunomodulatory and antiviral properties. Due to the inherent heterogeneity in MSC populations from different sources there is still no standardized procedure for their isolation, identification, functional characterization, cryopreservation, and route of administration, and not likely to be a "one-size-fits-all" approach in their applications in cell-based therapy and regenerative medicine.
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Affiliation(s)
- Leah A Marquez-Curtis
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, Canada, T6G 1H9; Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada, T6G 1C9
| | - Janet A W Elliott
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, Canada, T6G 1H9; Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada, T6G 1C9.
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Xie Y, Zhou K, Tan L, Ma Y, Li C, Zhou H, Wang Z, Xu B. Coexisting with Ice Crystals: Cryogenic Preservation of Muscle Food─Mechanisms, Challenges, and Cutting-Edge Strategies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:19221-19239. [PMID: 37947813 DOI: 10.1021/acs.jafc.3c06155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Cryopreservation, one of the most effective preservation methods, is essential for maintaining the safety and quality of food. However, there is no denying the fact that the quality of muscle food deteriorates as a result of the unavoidable production of ice. Advancements in cryoregulatory materials and techniques have effectively mitigated the adverse impacts of ice, thereby enhancing the standard of freezing preservation. The first part of this overview explains how ice forms, including the theoretical foundations of nucleation, growth, and recrystallization as well as the key influencing factors that affect each process. Subsequently, the impact of ice formation on the eating quality and nutritional value of muscle food is delineated. A systematic explanation of cutting-edge strategies based on nucleation intervention, growth control, and recrystallization inhibition is offered. These methods include antifreeze proteins, ice-nucleating proteins, antifreeze peptides, natural deep eutectic solvents, polysaccharides, amino acids, and their derivatives. Furthermore, advanced physical techniques such as electrostatic fields, magnetic fields, acoustic fields, liquid nitrogen, and supercooling preservation techniques are expounded upon, which effectively hinder the formation of ice crystals during cryopreservation. The paper outlines the difficulties and potential directions in ice inhibition for effective cryopreservation.
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Affiliation(s)
- Yong Xie
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Kai Zhou
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Lijun Tan
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Yunhao Ma
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Cong Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Hui Zhou
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Zhaoming Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Baocai Xu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
- Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
- Food Laboratory of Zhongyuan, Luohe 462300, Henan, China
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Lin M, Cao H, Li J. Control strategies of ice nucleation, growth, and recrystallization for cryopreservation. Acta Biomater 2023; 155:35-56. [PMID: 36323355 DOI: 10.1016/j.actbio.2022.10.056] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/20/2022] [Accepted: 10/26/2022] [Indexed: 02/02/2023]
Abstract
The cryopreservation of biomaterials is fundamental to modern biotechnology and biomedicine, but the biggest challenge is the formation of ice, resulting in fatal cryoinjury to biomaterials. To date, abundant ice control strategies have been utilized to inhibit ice formation and thus improve cryopreservation efficiency. This review focuses on the mechanisms of existing control strategies regulating ice formation and the corresponding applications to biomaterial cryopreservation, which are of guiding significance for the development of ice control strategies. Herein, basics related to biomaterial cryopreservation are introduced first. Then, the theoretical bases of ice nucleation, growth, and recrystallization are presented, from which the key factors affecting each process are analyzed, respectively. Ice nucleation is mainly affected by melting temperature, interfacial tension, shape factor, and kinetic prefactor, and ice growth is mainly affected by solution viscosity and cooling/warming rate, while ice recrystallization is inhibited by adsorption or diffusion mechanisms. Furthermore, the corresponding research methods and specific control strategies for each process are summarized. The review ends with an outlook of the current challenges and future perspectives in cryopreservation. STATEMENT OF SIGNIFICANCE: Ice formation is the major limitation of cryopreservation, which causes fatal cryoinjury to cryopreserved biomaterials. This review focuses on the three processes related to ice formation, called nucleation, growth, and recrystallization. The theoretical models, key influencing factors, research methods and corresponding ice control strategies of each process are summarized and discussed, respectively. The systematic introduction on mechanisms and control strategies of ice formation is instructive for the cryopreservation development.
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Affiliation(s)
- Min Lin
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory for CO(2) Utilization and Reduction Technology, Tsinghua University, Beijing 100084, China
| | - Haishan Cao
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory for CO(2) Utilization and Reduction Technology, Tsinghua University, Beijing 100084, China.
| | - Junming Li
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory for CO(2) Utilization and Reduction Technology, Tsinghua University, Beijing 100084, China
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Liu W, Li Z, Yang Y, Hu C, Wang Z, Lu Y. A Liquid Metal-Enhanced Wearable Thermoelectric Generator. Bioengineering (Basel) 2022; 9:bioengineering9060254. [PMID: 35735497 PMCID: PMC9220179 DOI: 10.3390/bioengineering9060254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/05/2022] [Accepted: 06/08/2022] [Indexed: 11/16/2022] Open
Abstract
It is a key challenge to continuously power personal wearable health monitoring systems. This paper reports a novel liquid metal-enhanced wearable thermoelectric generator (LM-WTEG that directly converts body heat into electricity for powering the wearable sensor system. The gallium-based liquid metal alloys with room-temperature melting point (24~30 °C) and high latent heat density (about 500 MJ/m3) are used to design a new flexible finned heat sink, which not only absorbs the heat through the solid-liquid phase change of the LM and enhances the heat release to the ambient air due to its high thermal conduction. The LM finned is integrated with WTEG to present high biaxial flexibility, which could be tightly in contact with the skin. The LM-WTEG could achieve a super high output power density of 275 μW/cm2 for the simulated heat source (37 °C) with the natural convective heat transfer condition. The energy management unit, the multi-parameter sensors (including temperature, humidity, and accelerometer), and Bluetooth module with a total energy consumption of about 65 μW are designed, which are fully powered from LM-WTEG through harvesting body heat.
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Affiliation(s)
- Wei Liu
- Energy Storage and Novel Technology of Electrical Engineering Department, China Electric Power Research Institute Limited Company, Beijing 100192, China; (W.L.); (Y.Y.)
| | - Zhenming Li
- Energy Storage and Novel Technology of Electrical Engineering Department, China Electric Power Research Institute Limited Company, Beijing 100192, China; (W.L.); (Y.Y.)
- Correspondence: ; Tel.: +86-10-82814399
| | - Yanfang Yang
- Energy Storage and Novel Technology of Electrical Engineering Department, China Electric Power Research Institute Limited Company, Beijing 100192, China; (W.L.); (Y.Y.)
| | - Chengbo Hu
- State Grid Jiangsu Electric Power Co., Ltd. Research Institute, Nanjing 211103, China; (C.H.); (Z.W.); (Y.L.)
| | - Zhen Wang
- State Grid Jiangsu Electric Power Co., Ltd. Research Institute, Nanjing 211103, China; (C.H.); (Z.W.); (Y.L.)
| | - Yongling Lu
- State Grid Jiangsu Electric Power Co., Ltd. Research Institute, Nanjing 211103, China; (C.H.); (Z.W.); (Y.L.)
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