This study was supported by NIH Grants R01 DK089034-05 (S. Chernausek, PI), P20 MD000528-05 (T. Lyons, Project PI), and NIH K23 award (PI: J. Tryggestad-K23DK106533); American Diabetes Association Grant 1-10-CT-09 (S. Chernausek, PI); the OCAST (S. Jiang); and OK-INBRE Grant (RPI: S. Jiang).