Chapter title |
Cryopreservation of Mammalian oocytes.
|
---|---|
Chapter number | 11 |
Book title |
Cryopreservation and Freeze-Drying Protocols
|
Published in |
Methods in molecular biology, November 2014
|
DOI | 10.1007/978-1-4939-2193-5_11 |
Pubmed ID | |
Book ISBNs |
978-1-4939-2192-8, 978-1-4939-2193-5
|
Authors |
Keros V, Fuller BJ, Victoria Keros, Barry J. Fuller |
Abstract |
Two methods for the laboratory-focused cryopreservation of mammalian oocytes are described, based on work with murine oocytes. One method uses a relatively low concentration of the cryoprotectant propanediol plus sucrose and requires controlled rate cooling equipment to achieve a slow cooling rate. Such a method has also produced live births from cryopreserved human oocytes. The second method described employs a high concentration of the cryoprotectant dimethyl sulfoxide plus a low concentration of polyethylene glycol. This is a vitrification method which involves ultrarapid cooling by plunging standard straws into liquid nitrogen vapor, hence avoiding the need for specialized equipment, but requires technical ability to manipulate the oocytes quickly in the highly concentrated cryoprotectant solutions. Murine oocytes vitrified using this technique has resulted in live births. |
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