Generating iPS Cells from MEFS through Forced Expression of Sox-2, Oct-4, c-Myc, and Klf42 w! g$ s+ g# c9 }1 e7 H# P; G
G. Grant Welstead, Tobias Brambrink, Rudolf Jaenisch 4 Q$ x9 i; V3 S% @4 _( JWhitehead Institute for Biomedical Research, Massachusetts Institute of Technology , D: `' F4 r4 n" c; C P/ j1 C, x- l* C7 p P4 F+ {