Endocrine Abstracts

Cellular transplantation has enormous potential for treating a variety of degenerative or malignant conditions. While adult stem cells display limitations in expansion capacity and developmental potential, embryonic stem (ES) cells are an inexhaustable source of tissues for research and therapy. During the last decade, human ES cells have been isolated, and differentiated to several tissue-specific progenitors. In vitro differentiating ES cells recapitulate early steps ...