|
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 |