When these cultured stem cells from one rat embryo were added to another developing ... director of the University of Michigan–Ann Arbor's Transgenic Animal Model Core. Jacob, who gets a bulk ...

"It was amazing to see the animals starting to walk after ... Scientists have healed a rat's severed spinal cord. Stem cells from a human’s mouth were used in the process. Researchers hope ...

The grafted cells functioned normally for at least six months. Rats with transplanted tissue ... and safety of their technique with larger animals.

Normally, animal serum provides proteins called growth factors that are essential for the growth of muscle cells. However, rat liver cells are also known to secrete these growth factors.