Method for cryopreservation of primordial germ cells and germ cells
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United States of America Patent
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Jun 2, 1998
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N/A
app pub date -
Mar 4, 1996
filing date -
Oct 31, 1994
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Abstract
Cryopreservation of primordial germ cells and germ cells, in which primordial germ cells or germ cells are separated from bird embryos before meiosis and are then suspended and frozen in a freezing medium containing a cryoprotective agent is useful for the conservation of species of birds, for the protection of rare species which are in danger of extinction and also for the production of transgenic animals, the production of novel animals having gene markers on a cellular level, the production of animals useful as disease models, the production of useful substances by genetic engineering, and the development of test methods for toxicity to germ-line cells.
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