In patients who decide to cryopreserve
gametes, embryos and gonadal tissue, options of further use or destruction of the reproductive material should be considered in case of death, and these decisions should be appropriately documented.
The original plan was to cryopreserve
the elm's seeds, notes Christina Walters, a plant physiologist with ARS's National Laboratory for Genetic Resources Preservation in Fort Collins, Colorado.
Is it best to cryopreserve
human cumulus-free immature oocytes before or after in vitro maturation?
In November 2007, the company launched Celle (pronounced "C-L"), the world's first-ever commercial service allowing women to cryopreserve
their own menstrual stem cells.
We anticipate that C'elle will provide the opportunity for women across mainland China to harvest and cryopreserve
their own stem cells for potential therapeutic utilization in the future," said Mercedes A.
Two freezing protocols used to cryopreserve
the Sydney rock oyster (S.
Sperm have been routinely frozen and thawed for decades, but now researchers can cryopreserve
mouse sperm stem cells.
We call it superflash freezing, and it can almost vitrify and cryopreserve
living cells without any cryoprotectant agent," said Yoshitake Akiyama.
Patients are given the opportunity to cryopreserve
the nonpreferred-gender embryos and usually elect to do so.
However, when sperm collection was not possible on the day of oocyte retrieval for ICSI in some cases, we offered the couples to throw or cryopreserve
But with conventional techniques, they're approaching a dead end in their attempts to cryopreserve
anything nearly as complex as an organ.