About the Authors

Sebastian Jessberger

To whom correspondence should be addressed. E-mail: gage@salk.edu (FHG); jessberger@cell.biol.ethz.ch (SJ)

Affiliations Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, United States of America , Institute of Cell Biology, Department of Biology, ETH Zurich, Zurich, Switzerland

Stefan Aigner

Affiliation Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, United States of America

Gregory D Clemenson Jr.

Affiliation Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, United States of America

Nicolas Toni

Affiliation Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, United States of America

D. Chichung Lie

Affiliations Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, United States of America , Helmholtz Zentrum München, German Research Center for Environmental Health, Munich, Germany

Özlem Karalay

Affiliation Institute of Cell Biology, Department of Biology, ETH Zurich, Zurich, Switzerland

Rupert Overall

Affiliation Center for Regenerative Therapies (CRTD), Dresden, Germany

Gerd Kempermann

Affiliation Center for Regenerative Therapies (CRTD), Dresden, Germany

Fred H Gage

To whom correspondence should be addressed. E-mail: gage@salk.edu (FHG); jessberger@cell.biol.ethz.ch (SJ)

Affiliation Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

SJ conceived and performed experiments, analyzed data, and wrote the manuscript. SA, GDC, NT, DCL, ÖK, RO, and GK performed and analyzed experiments. FHG revised the manuscript and gave conceptual input.