DEVELOPMENTAL BIOLOGY Correction for “Functional melanocytes derived from human pluripotent stem cells engraft into pluristratified epidermis,” by Xavier Nissan, Lionel Larribere, Manoubia Saidani, Ilse Hurbain, Cédric Delevoye, Jessica Feteira, Gilles Lemaitre, Marc Peschanski, and Christine Baldeschi, which appeared in issue 36, September 6, 2011, of Proc Natl Acad Sci USA (108:14861–14866; first published August 19, 2011; 10.1073/pnas.1019070108).
The authors note that on page 14862, left column, first full paragraph, all unit concentrations in “μM” should instead appear as “nM.”
The authors also note that on page 14865, right column, second paragraph, line 15 “20 nM human recombinant BMP4” should instead appear as “0.02 nM human recombinant BMP4.”