Stem cell calssification
1. Based upon location
Embryonic stem cells
Somatic/ adult stem cells
2. Based upon function
Totipotent
Pluripotent
Multipotent
Unipotent
Reject Response
Traditional Immuno-repressents
Constant administration
Little engraftment after 3~4 weeks
Host immune system impaired
Vulnerable to Infection
↓Need brief immuno-re
Feeder layer
The inner surface of the culture dish.
Mouse embryonic skin cells that have
been treated so they will not divide.
A sticky surface to which they can attach.
Release nutrients into the culture medium.
Leukemic inhibitory factor (LIF)
How
Undifferentiated to differentiated cell
And
Genes on and off
Can control
Abnormal
Cell