Tag Archive for 'Oocyte'

Yamagata et al succeeded in observing the signs of the biological activity of 28,140-year-old mammoth nuclei in mouse oocytes. In this image, proteins that form chromosomes (red) and proteins that form dividing spindles (green) gather around a mammoth cell nucleus (upper right) in the mouse oocyte. Image credit: Yamagata et al, doi: 10.1038/s41598-019-40546-1.

Researchers ‘Revive’ Woolly Mammoth Cell Nuclei

Mar 14, 2019 by Enrico de Lazaro

In 2010, the 28,140-year-old partial carcass of a woolly mammoth (Mammuthus primigenius), nicknamed ‘Yuka,’ was found in Siberian permafrost. Now a...

Magnification of a lab-grown, fully matured human egg ready for fertilization. Image credit: University of Edinburgh.

Human Eggs Fully Grown in Laboratory for the First Time

Feb 13, 2018 by News Staff

A team of researchers led by the University of Edinburgh has grown human egg cells (oocytes) — which were removed from ovary tissue at their earliest...