About the Authors

Jamie L. Barger

Affiliation LifeGen Technologies, LLC, Madison, Wisconsin, United States of America

Tsuyoshi Kayo

Affiliation LifeGen Technologies, LLC, Madison, Wisconsin, United States of America

James M. Vann

Affiliations Department of Medical Genetics, University of Wisconsin, Madison, Wisconsin, United States of America, Department of Genetics, University of Wisconsin, Madison, Wisconsin, United States of America

Edward B. Arias

Affiliation Division of Kinesiology, University of Michigan, Ann Arbor, Michigan, United States of America

Jelai Wang

Affiliation Section on Statistical Genetics, Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Timothy A. Hacker

Affiliation Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Ying Wang

Affiliation R&D Human Nutrition and Health, DSM Nutritional Products Ltd., Basel, Switzerland

Daniel Raederstorff

Affiliation R&D Human Nutrition and Health, DSM Nutritional Products Ltd., Basel, Switzerland

Jason D. Morrow

Affiliations Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

Christiaan Leeuwenburgh

Affiliation Department of Aging and Geriatrics and College of Medicine, University of Florida, Gainesville, Florida, United States of America

David B. Allison

Affiliation Section on Statistical Genetics, Department of Biostatistics and Clinical Nutrition Research Center, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Kurt W. Saupe

Affiliation Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Gregory D. Cartee

Affiliation Division of Kinesiology, University of Michigan, Ann Arbor, Michigan, United States of America

Richard Weindruch

rhweindr@wisc.edu (RW); taprolla@wisc.edu (TP)

Affiliation Department of Medicine and Veterans Administration Hospital, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Tomas A. Prolla

rhweindr@wisc.edu (RW); taprolla@wisc.edu (TP)

Affiliations Department of Medical Genetics, University of Wisconsin, Madison, Wisconsin, United States of America, Department of Genetics, University of Wisconsin, Madison, Wisconsin, United States of America

Competing Interests

T.A. Prolla and R. Weindruch are founders and board directors of LifeGen Technologies, LLC, a company focused on the use of gene expression profiling to understand the mechanisms of action of caloric restriction.

Author Contributions

Conceived and designed the experiments: TP RW. Performed the experiments: TK JV EA TH. Analyzed the data: TP JW RW JB. Contributed reagents/materials/analysis tools: DA JW GC CL KS YW DR JM. Wrote the paper: TP RW JB.