CELL BIOLOGY Correction for “Reprogramming of murine and human somatic cells using a single polycistronic vector,” by Bryce W. Carey, Styliani Markoulaki, Jacob Hanna, Kris Saha, Qing Gao, Maisam Mitalipova, and Rudolf Jaenisch, which appeared in issue 1, January 6, 2009, of Proc Natl Acad Sci USA (106:157–162; first published December 24, 2008; 10.1073/pnas.0811426106).
“The authors inadvertently neglected to state that, at the time of publication, RJ was an advisor to Fate Therapeutics. We regret this error.”