Embryoid at start of appearance of SOX17 positive cells (green cells), which depict birth of human germ cell lineage

Egg and sperm race: Scientists create precursors to human egg and sperm

24 December 2014

Scientists at the University of Cambridge working with the Weizmann Institute have created primordial germ cells – cells that will go on to become egg and sperm – using human embryonic stem cells. Although this had already been done using rodent stem cells, the study, published today in the journal Cell, is the first time this has been achieved efficiently using human stem cells.

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