Jennifer Zieba earned her PhD in human genetics at the University of California, Los Angeles. She is currently a project scientist in the orthopedic surgery department at UCLA where she works on identifying mutations and possible treatments for rare genetic musculoskeletal disorders.
Aging egg cells can be rejuvenated when placed inside young follicles, a new study of mouse cells suggests.
People can now freeze their oocytes to help preserve their ability to have children. However, there is currently no method of reversing the effects of aging on older oocytes.In a paper published Monday in the journal Nature Aging, scientists at the National University of Singapore demonstrated a new way to model the maturing oocyte in the lab.
By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over."So when someone is only 40 years of age, everything else is very young and healthy, but the ovary is very old, reproductive ability," Li told Live Science. This also makes ovaries a great model for the study of aging, in general.
First author Haiyang Wang, a senior research fellow in the Li lab, designed a 3D system that enables scientists to implant oocytes from one mouse into the empty follicle of another. Wang first removes the oocyte and follicle — which are slightly larger than the width of a human hair — from the mouse ovary by hand using a microscope and tiny tools.
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