In work published in 2017, for instance, human cells contributed up to 1 percent of embryonic cells in a human-mouse chimera. In a study published today (April 15) in Cell, researchers describe their ...

Jun Wu helped create rat-mouse chimeras like those pictured above. The brown fur was generated from rat cells. CREDIT: CARLOS PINZON ARTEAGA, UT SOUTHWESTERN Some researchers are attempting to use ...

The mouse had 4% human cells ... Carlos Izpisua Belmonte and his team at the Salk Institute created a human-monkey chimera embryo. It took four years, and the embryo successfully grew for a ...

In Greek mythology, a chimera is a grotesque hybrid. But chimeras are not just tales. Here's how some scientists have been creating chimeras, and why.

For example, scientists recently reported the successful growth of mouse pancreases inside of rats. The ultimate goal of this type of work is to grow human organs inside of other animals as a ...