Pregnancy Over 40, Women May Make New EggsWow, reproductive science and stem cell research has really come a long way.
My site: www.getpregnantover40.com
We've always been told that we can't make new eggs, but this research may have come up with a way to rejuvenate a women's eggs. Although this would require some medical intervention, it may give older women who want a biological child a chance. Read more:
From the article:
The team started by looking in the ovarian tissue for a protein specific to egg cells that could allow them to identify these cells amongst the many that are present in ovarian tissue. They noted that, early in the development of an egg cell, this protein is expressed on the cell's outer membrane, before it gets pulled into the cell during development.
The team isolated cells expressing this protein on their surface by tagging the protein itself with a fluorescent marker. They then introduced a gene to make the cells glow green. When the group placed their fluorescent cells back into human ovarian tissue grafted under the skin of a mouse, they found that the cells were able to form multiple new immature eggs.
The finding of such stem-cell-like cells is being hailed as a major breakthrough by gynaecologists, including Kutluk Oktay at New York Medical College in Valhalla. Oktay hopes the cells could be stimulated to replenish dwindling egg numbers in older women, or in those who experience premature ovarian failure...
...We could isolate the stem cells' mitochondria and inject them into the same woman's older eggs. It's an adaptation of the old, disastrous protocol that could deliver clinical benefit." The team has partnered with OvaScience, which is set to launch a clinical trial this year.