MicroRNAs to Nanog, Oct4 and Sox2 coding regions modulate embryonic stem cell differentiation # A, k, R/ j% K0 C/ KNature 455, 1124-1128 (23 October 2008) | doi:10.1038/nature07299; Received 10 April 2008; Accepted 30 July 2008; Published online 17 September 2008