1.   Biologists hope the cells will help repair damaged tissues in a wide variety of diseases.

2.   A second kind of human embryonic stem cell appears to have demonstrated promise in repairing damaged tissues by helping paralyzed mice regain some powers of movement.

3.   But they suspect that these biological decisions are made in response to some signals from the body, perhaps calling out for help in repairing tissues.

4.   Dr. Hogan agrees with researchers who believe that human embryonic stem cells are likely to be useful in repairing ordinary tissues in adults or in a fetus.

5.   It must be fed sufficient amounts of protein to meet the increased demand as it maintains normal functions and starts repairing damaged tissue, his research established.

6.   Murad said the therapeutic cloning could provide tissue to repair damaged tissues.

7.   Researchers say they have taken a step toward developing a novel source of embryonic stem cells, the all-purpose cells that biologists hope to use in repairing human tissues.

8.   The concept has been demonstrated in repairing heart tissue in mice and is considered to have enormous clinical promise.

9.   These cells hold vast potential to cure disease, since they may be able to repair damaged tissue in numerous organs, from the pancreas to the brain.

10.   Tissue is repaired via new oxygenation.