SINCE THE DISCOVERY of stem cells, scientists have been trying to find ways and means to isolate and use them for the treatments of many diseases. Their ability to transform into different types of cells under a suitable environment has led to growing interest in them and to rapid discoveries. The primary source of stem cells has been either embryo or adult tissue.

Although scientists were able to isolate the embryonic stem cells in animal models in 1981 and from human tissue in the late 1990s, stem cells have not been tried as a treatment for clinical diseases thus far. However, adult stem cells have been used for the treatment of various diseases for quite some time now and have yielded excellent results.

Previously, it was thought ...