Tuesday, April 21, 2009

Before Egg and Sperm: Stem Cells of the Germline


with Diana Laird, Ph.D.

Although we do not need our gametes for 20 or 30 years, they are established during early development in the womb by stem cell precursors. Professor Laird's research in mouse embryos asks how these cells acquire and maintain their identity, migrate to the forming ovaries or testes, and avoid becoming cancerous on their way to differentiating as egg or sperm.