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Enhanced non-vitreous cryopreservation of immortalized and primary cells by ice-growth inhibiting polymers
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Deller, Robert C., Pessin, Jeffrey E., Vatish, Manu, Mitchell, Daniel A. and Gibson, Matthew I. (2016) Enhanced non-vitreous cryopreservation of immortalized and primary cells by ice-growth inhibiting polymers. Biomaterials Science, 4 (7). pp. 1079-1084. doi:10.1039/c6bm00129g
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Official URL: http://dx.doi.org/10.1039/C6BM00129G
Abstract
Cell cryopreservation is an essential tool in modern biotechnology and medicine. The ability to freeze, store and distribute materials underpins basic cell biology and enables storage of donor cells needed for transplantation and regenerative medicine. However, many cell types do not survive freezing and the current state-of-the-art involves the addition of significant amounts of organic solvents as cryoprotectants, which themselves can be cytotoxic, or simply interfere with assays. A key cause of cell death in cryopreservation is ice recrystallization (growth), which primarily occurs during thawing. Here it is demonstrated that the addition of ice recrystalization inhibiting polymers to solutions containing low (non vitrifying) concentrations of DMSO enhance cell recovery rates by up to 75%. Cell functionality is also demonstrated using a placental cell line, and enhanced cryopreservation of primary rat hepatocytes is additionally shown. The crucial role of the polymers architecture (chain length) is shown, with shorter polymers being more effective than longer ones.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QH Natural history > QH301 Biology R Medicine > R Medicine (General) |
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| Divisions: | Faculty of Science > Chemistry Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Cells -- Cryopreservation, Polymers, Transplantation of organs, tissues, etc., Regenerative medicine, Biotechnology, Medicine | ||||||||||
| Journal or Publication Title: | Biomaterials Science | ||||||||||
| Publisher: | R S C Publications | ||||||||||
| ISSN: | 2047-4830 | ||||||||||
| Official Date: | 1 July 2016 | ||||||||||
| Dates: |
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| Date of first compliant deposit: | 22 June 2016 | ||||||||||
| Volume: | 4 | ||||||||||
| Number: | 7 | ||||||||||
| Page Range: | pp. 1079-1084 | ||||||||||
| DOI: | 10.1039/c6bm00129g | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Open Access | ||||||||||
| Funder: | Advantage West Midlands (AWM), European Regional Development Fund (ERDF), Royal Society (Great Britain), Engineering and Physical Sciences Research Council (EPSRC), University of Warwick Transatlantic Fellowship, Warwick Private Hospitals Charitable Trust, National Institutes of Health (U.S.) (NIH), European Research Council (ERC) | ||||||||||
| Grant number: | EP/F500378/1 (EPSRC), DK033823 and DK020541 (NIH), CRYOMAT 638661 (ERC) | ||||||||||
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