Stem Cells Changed Into Precursors For Sperm, Eggs

ScienceDailly, Oct. 29, 2009

Stanford University School of Medicine. researchers have devised a way to efficiently coax human embryonic stem cells to become human germ cells -- the precursors of egg and sperm cells -- in the laboratory.

Unlike previous research, which yielded primarily immature germ cells, the cells in this study functioned well enough to generate sperm cells.