Miguel Verbitsky, Simone Sanna-Cherchi, David A. Fasel, Brynn Levy, Krzysztof Kiryluk, Matthias Wuttke, Alison G. Abraham, Frederick Kaskel, Anna Köttgen, Bradley A. Warady, Susan L. Furth, Craig S. Wong, Ali G. Gharavi
Edward J. Wild, Roberto Boggio, Douglas Langbehn, Nicola Robertson, Salman Haider, James R.C. Miller, Henrik Zetterberg, Blair R. Leavitt, Rainer Kuhn, Sarah J. Tabrizi, Douglas Macdonald, Andreas Weiss
Toidi Adekambi, Chris C. Ibegbu, Stephanie Cagle, Ameeta S. Kalokhe, Yun F. Wang, Yijuan Hu, Cheryl L. Day, Susan M. Ray, Jyothi Rengarajan
Colin R. Lenihan, Stephan Busque, Geraldine Derby, Kristina Blouch, Bryan D. Myers, Jane C. Tan
Gesine Paul, Olof Zachrisson, Andrea Varrone, Per Almqvist, Markus Jerling, Göran Lind, Stig Rehncrona, Bengt Linderoth, Hjalmar Bjartmarz, Lisa L. Shafer, Robert Coffey, Mikael Svensson, Katarina Jansson Mercer, Anton Forsberg, Christer Halldin, Per Svenningsson, Håkan Widner, Jonas Frisén, Sven Pålhagen, Anders Haegerstrand
Role of the funding source: Funding from the NIH was used for support of the participating clinical centers and the coordinating center. The funding source did not participate in the collection or the analysis of the data.
BACKGROUND. The β cell killing that characterizes type 1 diabetes (T1D) is thought to begin years before patients present clinically with metabolic decompensation; however, this primary pathologic process of the disease has not been measured.
METHODS. Here, we measured β cell death with an assay that detects β cell–derived unmethylated insulin (
RESULTS. In at-risk subjects, those who progressed to T1D had average levels of unmethylated
CONCLUSION. We conclude that a blood test that measures unmethylated
TRIAL REGISTRATION. Clinical Trials.gov NCT00097292.
FUNDING. Funding was from the NIH, the Juvenile Diabetes Research Foundation, and the American Diabetes Association.
Kevan C. Herold, Sahar Usmani-Brown, Tara Ghazi, Jasmin Lebastchi, Craig A. Beam, Melena D. Bellin, Michel Ledizet, Jay M. Sosenko, Jeffrey P. Krischer, Jerry P. Palmer
Yogen Saunthararajah, Mikkael Sekeres, Anjali Advani, Reda Mahfouz, Lisa Durkin, Tomas Radivoyevitch, Ricki Englehaupt, Joy Juersivich, Kathleen Cooper, Holleh Husseinzadeh, Bartlomiej Przychodzen, Matthew Rump, Sean Hobson, Marc Earl, Ronald Sobecks, Robert Dean, Frederic Reu, Ramon Tiu, Betty Hamilton, Edward Copelan, Alan Lichtin, Eric Hsi, Matt Kalaycio, Jaroslaw Maciejewski
Elisa Fabbrini, Jun Yoshino, Mihoko Yoshino, Faidon Magkos, Courtney Tiemann Luecking, Dmitri Samovski, Gemma Fraterrigo, Adewole L. Okunade, Bruce W. Patterson, Samuel Klein
Michael J. Haller, Stephen E. Gitelman, Peter A. Gottlieb, Aaron W. Michels, Stephen M. Rosenthal, Jonathan J. Shuster, Baiming Zou, Todd M. Brusko, Maigan A. Hulme, Clive H. Wasserfall, Clayton E. Mathews, Mark A. Atkinson, Desmond A. Schatz
BACKGROUND. Roux-en-Y gastric bypass (RYGB) surgery causes profound weight loss and improves insulin sensitivity (SI) in obese patients. Regular exercise can also improve SI in obese individuals; however, it is unknown whether exercise and RYGB surgery–induced weight loss would additively improve SI and other cardiometabolic factors.
METHODS. We conducted a single-blind, prospective, randomized trial with 128 men and women who recently underwent RYGB surgery (within 1–3 months). Participants were randomized to either a 6-month semi-supervised moderate exercise protocol (EX,
RESULTS. 119 (93%) participants completed the interventions, 95% for CON and 91% for EX. There was a significant decrease in body weight and fat mass for both groups (
CONCLUSION. Moderate exercise following RYGB surgery provides additional improvements in SI, SG, and cardiorespiratory fitness compared with a sedentary lifestyle during similar weight loss.
TRIAL REGISTRATION. clinicaltrials.gov identifier: NCT00692367.
FUNDING. This study was funded by the NIH/National Institute of Diabetes and Digestive and Kidney Diseases (R01 DK078192) and an NIH/National Center for Research Resources/Clinical and Translational Science Award (UL1 RR024153.
Paul M. Coen, Charles J. Tanner, Nicole L. Helbling, Gabriel S. Dubis, Kazanna C. Hames, Hui Xie, George M. Eid, Maja Stefanovic-Racic, Frederico G.S. Toledo, John M. Jakicic, Joseph A. Houmard, Bret H. Goodpaster
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