Medical researchers use knockout cells to study how genes function and how genes can be used for medical treatments. For example, a knockout cell line for liver cancer might turn off a gene linked ...
Pop quiz: Stem cells can be used to 1. fight cancer, 2. grow a new kidney, 3. erase wrinkles, or 4. repad creaky knees. Can’t settle on one answer? Not surprising—the mini powerhouses have grabbed ...