Scientists produce mice from lab-grown sperm

Lab-Grown Sperm | The Scientist: For the first time, researchers have produced healthy mice offspring using sperm derived from precursor cells generated in vitro. The achievement was made possible through the development of a highly efficient protocol for generating the sperm precursors from mouse embryonic stem cells. The research, which appears online today (August 4) in Cell . . . | Cell: Reconstitution of the Mouse Germ Cell Specification Pathway in Culture by Pluripotent Stem Cells