Vol. 199 No. 4, November 12, 2012. Pages 589–598.

The authors wish to acknowledge additional sources of support. Revised acknowledgment paragraphs appear below.

We thank the Caenorhabditis Genetics Center and the Japanese Bioresource Project for strains, the Johns Hopkins Polycystic Kidney Disease Research and Clinical Core Center (funded by the National Institutes of Health center grant P30DK090868) for anti-PC2 antibody, and the Mayo Clinic Center for Cell Signaling in Gastroenterology for imaging support.

J. Hu and coworkers were supported by National Institutes of Health research grant 1R01DK090038 and P30 center grant P30DK90728, a Pilot and Feasibility Award from the Mayo Clinic Center for Cell Signaling in Gastroenterology (P30DK084567), and the PKD Foundation Young Investigator Award 04YI09a. J. Hu was also supported by a FULK Career Development Award, a Zell PKD Research Award, and the Upjohn PKD Research Fund. K. Ling was supported by the National Cancer Institute (NCI; 1R01CA149039-01A1), Susan G. Komen for the Cure (KG100902), and the National Institute of Diabetes and Digestive and Kidney Diseases (P30DK90728).

The authors of this paper declare that they have no conflicts of interest.

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