Retraction to: Nature Immunology (2013) 14: 461-469 https://www.nature.com/articles/ni.2566

The Chief Editor has retracted this article. An investigation conducted by Northwestern University stated that the corresponding author failed to produce a complete and accurate data set, and concluded that falsified data was produced to support research in this publication.

Samuel Jang, Peter H S Sporn, Karen M Ridge, Jacob I Sznajder, G R Scott Budinger, Anning Lin and Jing Liu do not agree to this retraction. Alia Zander agrees to this retraction. Martin Eilers has not explicitly stated whether they agree to this retraction notice. Hanh Chi Do-Umehara, Cong Chen, Daniela Urich, Liang Zhou, Ju Qiu, Margaret A Baker and Gökhan M Mutlu have not responded to any correspondence from the editor about this retraction.