Abstract：
:We analyzed cell viability, caspase activity, plasma membrane alterations and cell ultrastructure morphology to estimate the morphological and biochemical alterations that occur in bivalve molluscan cell cultures during cryopreservation. The use of 5% dymethyl sulfoxide as a cryoprotectant resulted in greater cell survival and a scarcity of destroyed cells lacking cytosol among dead cells. In this case, almost all cells died through necrosis or apoptosis, which appeared to increase in mussel cell cultures after a freeze-thaw cycle. Apoptosis was not a main death pathway in mussel cells, but it was induced in a significant part of these cells (up to 24%) immediately after thawing and depended mostly on the cryoprotectant used. Regardless of the type of the used cryoprotectant, we observed some nuclear aberrations in cells after freezing-thawing, such as few multipolar mitoses or the absence of a division spindle in mitotic cells. After analyzing different methods for assessing cell damage, the best results were obtained from optimal approaches that could provide information regarding the cell disruption level after freezing-thawing and could be considered for future studies.
journal_name
Cryobiologyjournal_title
Cryobiologyauthors
Odintsova NA,Boroda AV,Maiorova MA,Yakovlev KVdoi
10.1016/j.cryobiol.2017.05.009subject
Has Abstractpub_date
2017-08-01 00:00:00pages
41-49eissn
0011-2240issn
1090-2392pii
S0011-2240(17)30053-6journal_volume
77pub_type
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