Using the blastocyst complementation method, we produced rat embryonic stem (ES) cell-derived sperm in testicular hypoplasia mice and successfully generated rat offspring. This method can provide a ...

Salk Institute scientists have developed a biological platform for studying mitochondrial DNA in physiology, adaptation, disease mechanisms, and therapeutic development. Headed by Ronald Evans, PhD, ...

Researchers have developed a method to confidently produce blood cell precursors from stem cells in mice, by activating a set of seven key genes in the laboratory. The team takes a step forward ...

Descriptions of the embryo go back at least to the time of Aristotle, but it has only been since the late 19 th century and early 20 th century that advances in experimental approaches allowed ...