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Martinez-Garcia FD, Fischer T, Hayn A, Mierke CT, Burgess JK, Harmsen MC. A Beginner’s Guide to the Characterization of Hydrogel Microarchitecture for Cellular Applications. Gels 2022; 8:gels8090535. [PMID: 36135247 PMCID: PMC9498492 DOI: 10.3390/gels8090535] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/17/2022] [Accepted: 08/23/2022] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is a three-dimensional, acellular scaffold of living tissues. Incorporating the ECM into cell culture models is a goal of cell biology studies and requires biocompatible materials that can mimic the ECM. Among such materials are hydrogels: polymeric networks that derive most of their mass from water. With the tuning of their properties, these polymer networks can resemble living tissues. The microarchitectural properties of hydrogels, such as porosity, pore size, fiber length, and surface topology can determine cell plasticity. The adequate characterization of these parameters requires reliable and reproducible methods. However, most methods were historically standardized using other biological specimens, such as 2D cell cultures, biopsies, or even animal models. Therefore, their translation comes with technical limitations when applied to hydrogel-based cell culture systems. In our current work, we have reviewed the most common techniques employed in the characterization of hydrogel microarchitectures. Our review provides a concise description of the underlying principles of each method and summarizes the collective data obtained from cell-free and cell-loaded hydrogels. The advantages and limitations of each technique are discussed, and comparisons are made. The information presented in our current work will be of interest to researchers who employ hydrogels as platforms for cell culture, 3D bioprinting, and other fields within hydrogel-based research.
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Affiliation(s)
- Francisco Drusso Martinez-Garcia
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713 GZ Groningen, The Netherlands
- W.J. Kolff Research Institute, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Tony Fischer
- Biological Physics Division, Peter Debye Institute of Soft Matter Physics, Faculty of Physics and Earth Science, Leipzig University, Linnéstraße 5, 04103 Leipzig, Germany
| | - Alexander Hayn
- Biological Physics Division, Peter Debye Institute of Soft Matter Physics, Faculty of Physics and Earth Science, Leipzig University, Linnéstraße 5, 04103 Leipzig, Germany
- Clinic and Polyclinic for Oncology, Gastroenterology, Hepatology, Pneumology, Infectiology Department of Hepatology, University Hospital Leipzig, Liebigstr. 19, 04103 Leipzig, Germany
| | - Claudia Tanja Mierke
- Biological Physics Division, Peter Debye Institute of Soft Matter Physics, Faculty of Physics and Earth Science, Leipzig University, Linnéstraße 5, 04103 Leipzig, Germany
- Correspondence: (C.T.M.); (M.C.H.)
| | - Janette Kay Burgess
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713 GZ Groningen, The Netherlands
- W.J. Kolff Research Institute, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
- Groningen Research Institute for Asthma and COPD (GRIAC), University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713 AV Groningen, The Netherlands
| | - Martin Conrad Harmsen
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713 GZ Groningen, The Netherlands
- W.J. Kolff Research Institute, University Medical Center Groningen, University of Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
- Groningen Research Institute for Asthma and COPD (GRIAC), University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), 9713 AV Groningen, The Netherlands
- Correspondence: (C.T.M.); (M.C.H.)
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Fryc K, Nowak A, Kij-Mitka B, Kochan J, Bartlewski PM, Murawski M. Morphokinetic changes in vitrified and non-vitrified in vitro-derived ovine embryos. Theriogenology 2022; 187:58-63. [DOI: 10.1016/j.theriogenology.2022.04.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 10/18/2022]
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Jesus AR, Duarte ARC, Paiva A. Use of natural deep eutectic systems as new cryoprotectant agents in the vitrification of mammalian cells. Sci Rep 2022; 12:8095. [PMID: 35577888 PMCID: PMC9110728 DOI: 10.1038/s41598-022-12365-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 04/26/2022] [Indexed: 11/25/2022] Open
Abstract
In this work we present the potential of Natural Deep Eutectic Systems (NADES) as new vitrification media for the cryopreservation of mammalian cells. Several NADES composed of natural metabolites were prepared and tested as CPAs in two cell lines, L929 and HacaT cells. After the harvesting, cells were mixed with the eutectic systems, and frozen directly into liquid nitrogen to achieve a vitreous state. Then, the cells were thawed and it was observed that NADES were able to exert a significant cryoprotective effect in L929 cells, when compared with DMSO or in the absence of a CPA. For HacaT cells, only a eutectic system showed a slightly improvement in cell survival, while DMSO caused complete cell death. Moreover, the thermal behaviour of the best systems was studied for further understanding the protective properties of NADES as CPAs, and have shown a significant difference in terms of Tm and Tc when compared with DMSO and water. Additionally, the results obtained showed that NADES can be maintained in the growth media after the thawing step, without compromising cell viability. In summary, we have shown the great potential of NADES to be used as CPAs for the cryopreservation of different cell types, using the vitrification method.
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Affiliation(s)
- Ana Rita Jesus
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal
| | - Ana Rita C Duarte
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal
| | - Alexandre Paiva
- LAQV-REQUIMTE, Campus da Caparica, Monte da Caparica, 2825-149, Caparica, Portugal.
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Gore M, Narvekar A, Bhagwat A, Jain R, Dandekar P. Macromolecular cryoprotectants for the preservation of mammalian cell culture: lessons from crowding, overview and perspectives. J Mater Chem B 2021; 10:143-169. [PMID: 34913462 DOI: 10.1039/d1tb01449h] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Cryopreservation is a process used for the storage of mammalian cells at a very low temperature, in a state of 'suspended animation.' Highly effective and safe macromolecular cryoprotectants (CPAs) have gained significant attention as they obviate the toxicity of conventional CPAs like dimethyl sulfoxide (DMSO) and reduce the risks involved in the storage of cultures at liquid nitrogen temperatures. These agents provide cryoprotection through multiple mechanisms, involving extracellular and intracellular macromolecular crowding, thereby impacting the biophysical and biochemical dynamics of the freezing medium and the cryopreserved cells. These CPAs vary in their structures and physicochemical properties, which influence their cryoprotective activities. Moreover, the introduction of polymeric crowders in the cryopreservation media enables serum-free storage at low-DMSO concentrations and high-temperature vitrification of frozen cultures (-80 °C). This review highlights the need for macromolecular CPAs and describes their mechanisms of cryopreservation, by elucidating the role of crowding effects. It also classifies the macromolecules based on their chemistry and their structure-activity relationships. Furthermore, this article provides perspectives on the factors that may influence the outcomes of the cell freezing process or may help in designing and evaluating prospective macromolecules. This manuscript also includes case studies about cellular investigations that have been conducted to demonstrate the cryoprotective potential of macromolecular CPAs. Ultimately, this review provides essential directives that will further improve the cell cryopreservation process and may encourage the use of macromolecular CPAs to fortify basic, applied, and translational research.
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Affiliation(s)
- Manish Gore
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, 400 019, India.
| | - Aditya Narvekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, 400 019, India.
| | - Advait Bhagwat
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, 400 019, India.
| | - Ratnesh Jain
- Department of Chemical Engineering, Institute of Chemical Technology, Mumbai, 400 019, India.
| | - Prajakta Dandekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, 400 019, India.
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Baskaran A, Kaari M, Venugopal G, Manikkam R, Joseph J, Bhaskar PV. Anti freeze proteins (Afp): Properties, sources and applications - A review. Int J Biol Macromol 2021; 189:292-305. [PMID: 34419548 DOI: 10.1016/j.ijbiomac.2021.08.105] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/17/2022]
Abstract
Extreme cold marine and freshwater temperatures (below 4 °C) induce massive deterioration to the cell membranes of organisms resulting in the formation of ice crystals, consequently causing organelle damage or cell death. One of the adaptive mechanisms organisms have evolved to thrive in cold environments is the production of antifreeze proteins with the functional capabilities to withstand frigid temperatures. Antifreeze proteins are extensively identified in different cold-tolerant species and they facilitate the persistence of cold-adapted organisms by decreasing the freezing point of their body fluids. Various structurally diverse types of antifreeze proteins detected possess the ability to modify ice crystal growth by thermal hysteresis and ice recrystallization inhibition. The unique properties of antifreeze proteins have made them a promising resource in industry, biomedicine, food storage and cryobiology. This review collates the findings of the various studies carried out in the past and the recent developments observed in the properties, functional mechanisms, classification, distinct sources and the ever-increasing applications of antifreeze proteins. This review also summarizes the possibilities of the way forward to identify new avenues of research on anti-freeze proteins.
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Affiliation(s)
- Abirami Baskaran
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai 600 119, Tamil Nadu, India
| | - Manigundan Kaari
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai 600 119, Tamil Nadu, India
| | - Gopikrishnan Venugopal
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai 600 119, Tamil Nadu, India
| | - Radhakrishnan Manikkam
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai 600 119, Tamil Nadu, India.
| | - Jerrine Joseph
- Centre for Drug Discovery and Development, Sathyabama Institute of Science and Technology, Chennai 600 119, Tamil Nadu, India
| | - Parli V Bhaskar
- National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Vasco-da-Gama 403804, Goa, India
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Auth CA, Hopkins BK. Nitrogen vapor immersion: An accessible alternative for honey bee (Apis mellifera L.) semen cryopreservation. Cryobiology 2021; 100:12-18. [PMID: 33895149 DOI: 10.1016/j.cryobiol.2021.04.006] [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: 02/10/2021] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022]
Abstract
Semen cryopreservation is a valuable conservation tool and is often used in livestock species to accelerate artificial selection of desirable traits. Recently, semen cryopreservation has been successfully introduced to honey bees, bolstering trait selection for breeders and aiding conservation efforts for threatened bee populations. Current cryopreservation methods use slow-programmable freezing to achieve long-term storage of honey bee germplasm. However, the equipment necessary for this method is costly and time consuming to use, making it less accessible to breeders and researchers. We tested two cost and time efficient alternatives to slow-programmable freezing, vitrification and vapor immersion using two freezing devices, the CryoLock and microdialysis tube. Semen was preserved in either 20, 40, or 60% dimethyl sulfoxide (Me2SO). The post-thaw sperm viability (% living sperm) and subjective motility (0-5 scale) of these techniques were compared to those of slow-programmable frozen semen and non-frozen controls. Semen frozen in microdialysis tubes produced higher motility and sperm viability than semen frozen with the CryoLock device. The same trend was observed between vapor immersion and vitrification, with vapor immersion proving superior. Vapor immersed semen dialyzed with 20% Me2SO produced statistically similar sperm motility (4 ± 0.41) and viability (73.51% ± 5.56%) to slow-programmable freezing (4.25 ± 0.25, 80.61% ± 4.20%) and the non-frozen control (4.5 ± 0.28, 93.39% ± 0.90%). Optimization of the dialysis process and freezing rate may further increase the post-thaw sperm quality. Nonetheless, these results show promise for an effective replacement to slow-programmable freezing that maintains high sperm quality while increasing accessibility.
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Affiliation(s)
- Connor Anthony Auth
- Department of Entomology, Washington State University, PO Box 646382, Pullman, WA, 99164-6382, USA.
| | - Brandon Kingsley Hopkins
- Department of Entomology, Washington State University, PO Box 646382, Pullman, WA, 99164-6382, USA.
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Kasman AAMN, Santoso B, Widjiati W. The effect of vitrification after warming on the expressions of p38, CDK1, and cyclin B in immature goat oocytes followed by in vitro maturation. Vet World 2020; 13:2126-2132. [PMID: 33281346 PMCID: PMC7704326 DOI: 10.14202/vetworld.2020.2126-2132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 08/26/2020] [Indexed: 12/13/2022] Open
Abstract
Background and Aim The combination of vitrification techniques and in vitro maturation can reduce oocyte competence. Mitogen-activated protein kinase and maturation-promoting factor are significant in oocyte meiotic maturation regulation. This study aimed to analyze vitrification's effect, after warming followed by in vitro maturation, on the expressions of protein 38 (p38), cyclin-dependent kinase 1 (CDK1), and cyclin B and oocyte maturation level. Materials and Methods Immature goat oocytes were soaked in vitrification and warming solutions. The procedure was followed by in vitro maturation and in vitro maturation without post-warming vitrification as a control. These oocytes, along with their cumulus, were vitrified using hemistraw in liquid nitrogen. Oocyte maturation was carried out in a maturation medium that was added with 10 μg/mL of FSH, 10 μg/mL of LH, and 1 μg/mL E2 for 22 h. The expressions of p38, CDK1, and cyclin B were observed using immunocytochemical methods, which were assessed semiquantitatively according to the modified Remmele method. The oocyte maturation level was observed using the aceto-orcein staining method based on the achievement of chromosomes up to the metaphase II stage and/or the formation of the polar body I. Results p38 expression in vitrified oocytes after warming, followed by in vitro maturation, increased insignificantly (p≥0.05), with the acquisition of 3.91±2.69 and 2.69±0.50 in the control oocytes. CDK1 expression in vitrified oocytes decreased significantly (p≤0.05) after warming, followed by in vitro maturation, with the acquisition of 2.73±1.24 and 7.27±4.39 in the control oocytes. Cyclin B expression in vitrified oocytes decreased insignificantly (p≥0.05) after warming, followed by in vitro maturation, with the acquisition of 3.09±1.4 and 4.18±2.61 in the control oocytes. The proportion of vitrified oocyte maturation levels after warming, followed by in vitro maturation, decreased significantly (p≤0.05), with the acquisition of 45.45% and 77.27% in the control oocytes. Conclusion This study concluded that vitrification after warming resulted in an insignificant increase in p38 expression, a significant decrease in CDK1 expression, an insignificant decrease in cyclin B expression, and a significant reduction in oocyte maturation levels.
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Affiliation(s)
- A A Muhammad Nur Kasman
- Student of Doctoral Program Medicine Science, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Faculty of Health Science, Universitas Muhammadiyah Mataram, Mataram, Indonesia
| | - Budi Santoso
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Widjiati Widjiati
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia
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Herranz-Jusdado JG, Gallego V, Morini M, Rozenfeld C, Pérez L, Müller T, Horváth Á, Ohta H, Asturiano JF. Eel sperm cryopreservation: An overview. Theriogenology 2020; 133:210-215. [PMID: 31155036 DOI: 10.1016/j.theriogenology.2019.03.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 03/30/2019] [Indexed: 10/26/2022]
Abstract
The eels are teleost fishes from the order Anguilliformes that includes several species with high commercial value. Due to the high interest for aquaculture production of some eel species and for the need to restore eel species that are endangered, several research groups have directed their research toward developing protocols to cryopreserve the spermatozoa of Japanese eel (Anguilla japonica) and European eel (Anguilla anguilla). In this review, we provide an overview on the different protocols that have been developed so far. The first developed protocols used DMSO as cryoprotectant in both species with good success, obtaining sperm motilities of over 45% in Japanese eel and over 35% in European eel. Moreover, sperm cryopreserved using DMSO was successfully used in fertilization trials, although with low fertilization rates. However, recent studies show that DMSO produce epigenetic changes in eel sperm and therefore, the last developed protocols used methanol as cryoprotectant instead. Cryopreservation protocols using methanol as cryoprotectant, showed improved motility values in both Japanese and European eel. In addition, the latest protocols have been adapted to cryopreserve larger volumes of sperm of up to 5 mL, which is useful for larger scale fertilization trials. The present study introduces the state of the art and future perspectives of the eel sperm cryopreservation to be applied in aquaculture and biological conservation programs.
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Affiliation(s)
- Juan German Herranz-Jusdado
- Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Victor Gallego
- Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Marina Morini
- Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Christoffer Rozenfeld
- Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Luz Pérez
- Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Tamás Müller
- Department of Aquaculture, Szent István University, 2100, Gödöllő, Páter K. U. 1., Hungary
| | - Ákos Horváth
- Department of Aquaculture, Szent István University, 2100, Gödöllő, Páter K. U. 1., Hungary
| | - Hiromi Ohta
- Department of Fisheries, Graduate School of Agriculture, Kindai University, Nara, 631-8505, Japan
| | - Juan F Asturiano
- Grupo de Acuicultura y Biodiversidad, Instituto de Ciencia y Tecnología Animal, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
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Pezo F, Romero F, Zambrano F, Sánchez RS. Preservation of boar semen: An update. Reprod Domest Anim 2019; 54:423-434. [DOI: 10.1111/rda.13389] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 11/28/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Felipe Pezo
- Laboratory of Reproductive Medicine and Molecular Endocrinology Center of Translational Medicine—Scientific and Technological Bioresource Nucleus (CEMT‐BIOREN) Temuco Chile
| | - Fernando Romero
- Laboratory of Neurosciences and Peptides Center for Biotechnology in Reproduction—Scientific and Technological Bioresource Nucleus (CEBIOR‐BIOREN) Temuco Chile
- Department of Preclinical Sciences, Faculty of Medicine Universidad de La Frontera Temuco Chile
| | - Fabiola Zambrano
- Laboratory of Reproductive Medicine and Molecular Endocrinology Center of Translational Medicine—Scientific and Technological Bioresource Nucleus (CEMT‐BIOREN) Temuco Chile
- Laboratory of Neurosciences and Peptides Center for Biotechnology in Reproduction—Scientific and Technological Bioresource Nucleus (CEBIOR‐BIOREN) Temuco Chile
| | - Raúl Segundo Sánchez
- Laboratory of Reproductive Medicine and Molecular Endocrinology Center of Translational Medicine—Scientific and Technological Bioresource Nucleus (CEMT‐BIOREN) Temuco Chile
- Laboratory of Neurosciences and Peptides Center for Biotechnology in Reproduction—Scientific and Technological Bioresource Nucleus (CEBIOR‐BIOREN) Temuco Chile
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Key Issues Related to Cryopreservation and Storage of Stem Cells and Cancer Stem Cells: Protecting Biological Integrity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 951:1-12. [PMID: 27837550 DOI: 10.1007/978-3-319-45457-3_1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cryopreservation and biobanking of stem cells are becoming increasingly important as stem cell technology and application attract the interest of industry, academic research, healthcare and patient organisations. Stem cell are already being used in the treatment of some diseases and it is anticipated that stem cell therapy will play a central role in future medicine. Similarly, the discovery of both hematopoietic and solid tumor stem cells and their clinical relevance have profoundly altered paradigms for cancer research as the cancer stem cells are considered promising new targets against cancer. Consequently, long-term cryopreservation and banking of normal and malignant stem cells is crucial and will inevitably become a routine procedure that requires highly regulated and safe methods of specimen storage. There is, however, an increasing amount of evidence showing contradictory results on the impact of cryopreservation and thawing of stem cells, including extensive physical and biological stresses, apoptosis and necrosis, mitochondrial injuries, changes to basal respiration and ATP production, cellular structural damage, telomere shortening and cellular senescence, and DNA damage and oxidative stress. Notably, cell surface proteins that play a major role in stem cell fate and are used as the biomarkers of stem cells are more vulnerable to cold stress than other proteins. There are also data supporting the alteration in some biological features and genetic integrity at the molecular level of the post-thawed stem cells. This article reviews the current and future challenges of cryopreservation of stem cells and stresses the need for further rigorous research on the methodologies for freezing and utilizing cancer stem cells following long-term storage.
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Xin M, Siddique MAM, Dzyuba B, Cuevas-Uribe R, Shaliutina-Kolešová A, Linhart O. Progress and challenges of fish sperm vitrification: A mini review. Theriogenology 2017; 98:16-22. [PMID: 28601150 DOI: 10.1016/j.theriogenology.2017.04.043] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 04/05/2017] [Accepted: 04/27/2017] [Indexed: 10/19/2022]
Abstract
To survive low temperature is required for a long-term storage (cryopreservation), cells should be vitrified to a state in which intracellular water is solidified without ice crystal formation. Two different approaches are described for fish sperm cryopreservation: 1) sperm conventional cryopreservation, in which extracellular water is partially crystallized and 2) sperm vitrification, in which both intra- and extra-cellular liquids are vitrified. Sperm vitrification has been applied to some fish species with limited success. Traditional vitrification requires rapid cooling/warming rates, small sample carriers, and using high permeable cryoprotectant concentrations. The latter cause cytotoxic effects which must be well managed and will require continuous effort to match an appropriate cryoprotectant with suitable apparatus and warming methods. Novel cryoprotectant-free sperm vitrification approach has been applied to several fishes. This review summarizes development of basic procedures and discusses advantages and disadvantages of vitrification when applied it to fish sperm.
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Affiliation(s)
- Miaomiao Xin
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research, Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Vodňany, Czech Republic.
| | - Mohammad Abdul Momin Siddique
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research, Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Vodňany, Czech Republic; Department of Oceanography, Noakhali Science and Technology University, Sonapur, Noakhali, Bangladesh.
| | - Borys Dzyuba
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research, Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Vodňany, Czech Republic
| | - Rafael Cuevas-Uribe
- Department of Fisheries Biology, Humboldt State University, One Harpst St., Arcata, CA, 95521, USA
| | - Anna Shaliutina-Kolešová
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research, Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Vodňany, Czech Republic
| | - Otomar Linhart
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research, Institute of Fish Culture and Hydrobiology, University of South Bohemia in Ceske Budejovice, Vodňany, Czech Republic.
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