Women have virtually endless source of eggs as the scientists of the Central Hospital in Massachusetts. This opens up boundless prospects in the treatment of infertility.
Own a woman's ovaries contain stem cells that can "spontaneously" generate into immature egg cells in the lab, it turned out the American researchers. Previously, it was assumed that the number of eggs women limited, and it is gradually reduced along with their quality until menopause.
But the discovery of Americans can "rewrite the rule book" for women's health, as emphasized by the independent experts. The scientists were able to identify and extract stem cells having the ability to transform into immature oocyte (oocytes), because they are a unique protein called DDX4.
Researchers have taken advantage of fresh ovarian tissue transplanted into mice, to transform into mature oocytes ovary cells. Further, it has been proven that this type of cells may be fertilized by sperm to create embryos. As the head of the research team Dr. Jonathan Tilly, it "opens the door for the development of almost unprecedented technology infertility treatment in women and may delay ovarian failure. "
Pregnancy and Gynecology
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