Scientists: Frozen and Transplanted Sheep Ovary Can Restore Function
2019-03-27 03:09:22
Xinhua News Agency, London, September 15 (Reporter Cao Lijun) Israeli scientists reported on the 15th issue of Human Breeding that they recently successfully transplanted frozen ovaries back into sheep and collected eggs from transplanted ovaries. And bred into embryos. Scientists from the Israel Animal Science and Agricultural Research Organization said that they cut off the right ovary of some sheep, freeze it for two weeks, then thaw it, and re-implant the sheep. Later, they collected eggs from two transplanted ovaries and cultivated them into embryos. Two of the sheep had recovered their fertility after this ovary transplant, and they also produced a lamb. Scientists said that the results of this study showed that the ovaries of large female mammals were re-implanted after freezing and their fertility could be restored. Sheep were selected for experiments because the ovaries of sheep are similar to human ovaries. The researchers pointed out that cancer-bearing women may lose fertility if they receive chemotherapy, but if the patient removes eggs and freezes them before undergoing chemotherapy, the ovaries will be replanted in the body after the treatment is completed, which will hopefully enable them to achieve childbirth. Female wishes.
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