Fetal Cell Technologies International
Our precursor stem cells
Versus
Embryonic stem cells

DIFFERENCES BETWEEN PRECURSOR STEM CELLS AND EMBRYOS



      Precursor     Embryonic
Stability     Somewhat stable     unstable due to oncogenicity
Treatment used     > 70 years and about 1 million patients treated with     sufficient data     < 70 years
Attainability     Easy and safe, from a fetus in natural environment     Exist only in a laboratory dish and not in a     living embryo
Origin     Animal-abundantly available     Human-rare
Renewal     Long term self renewal     Self renewal except in cancer cases
Method of Preparation     Based on primary tissue culture of tissue fragments or     cell clusters.     Based on primary cell culture of dispersed cells