obtaining stem cells Flashcards
1
Q
iPS cells:
A
induced pluripotent cells
- when a unipotent stem cell is treated with transcription factors, making it become pluripotent
2
Q
how are iPS cells produced
A
- modified virus used as a vector
- virus inserts transcription factor genes from pluripotent cell into unipotent cell
- transcription factor expressed
3
Q
how are embryonic stem cells made?
A
- embryos grown in lab via IVF
- pluripotent stem cells removed after a few days
- embryo destroyed
- pluripotent cells can then differentiate into any body cell
4
Q
where do adult stem cells come from and what is key about them?
A
- found in bone marrow
- they are ONLY multipotent so less useful for medicine