Generating iPS Cells from MEFS through Forced Expression of Sox-2, Oct-4, c-Myc, and Klf4 2 |% Z# q$ f' f I" L4 ?+ E, T G. Grant Welstead, Tobias Brambrink, Rudolf Jaenisch. ^$ T5 Y3 x8 n
Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology4 u) \. X2 \/ s* d/ g3 B1 Q/ T6 m1 X+ N