The purpose of this project is to identify the determinants of non- insulin-dependent diabetes (NIDDM), various types of arthritis, and gallbladder disease, and elucidate the natural history of the diseases. Genetic and environmental risk factors for NIDDM have been studied in the Pima Indians. The residents of the study area, approximately 5000 people, have participated in a longitudinal population study since 1965, allowing observations of the natural history of diabetes mellitus. Risk factors for obesity, hypertension, and cholelithiasis are also studied, along with the relationships of these diseases to diabetes and their effects on mortality rates. The genetics of diabetes is studied by means of family studies and relationships of genetic markers to disease. The roles of obesity, serum insulin concentrations, impaired glucose tolerance, occupational and leisure-time physical activity and diabetes in relatives are assessed.

Project Start
Project End
Budget Start
Budget End
Support Year
26
Fiscal Year
1991
Total Cost
Indirect Cost
City
State
Country
United States
Zip Code
Perreault, Leigh; Kahn, Steven E; Christophi, Costas A et al. (2009) Regression from pre-diabetes to normal glucose regulation in the diabetes prevention program. Diabetes Care 32:1583-8
International Expert Committee (2009) International Expert Committee report on the role of the A1C assay in the diagnosis of diabetes. Diabetes Care 32:1327-34
Moore, Allan F; Jablonski, Kathleen A; McAteer, Jarred B et al. (2008) Extension of type 2 diabetes genome-wide association scan results in the diabetes prevention program. Diabetes 57:2503-10
Crandall, Jill P; Knowler, William C; Kahn, Steven E et al. (2008) The prevention of type 2 diabetes. Nat Clin Pract Endocrinol Metab 4:382-93
Rubin, Richard R; Ma, Yong; Marrero, David G et al. (2008) Elevated depression symptoms, antidepressant medicine use, and risk of developing diabetes during the diabetes prevention program. Diabetes Care 31:420-6
Sahota, Puneet K C; Knowler, William C; Looker, Helen C (2008) Depression, diabetes, and glycemic control in an American Indian community. J Clin Psychiatry 69:800-9
Florez, J C; Jablonski, K A; McAteer, J et al. (2008) Testing of diabetes-associated WFS1 polymorphisms in the Diabetes Prevention Program. Diabetologia 51:451-7
Mason, Clinton C; Hanson, Robert L; Knowler, William C (2007) Progression to type 2 diabetes characterized by moderate then rapid glucose increases. Diabetes 56:2054-61
Pavkov, Meda E; Hanson, Robert L; Knowler, William C et al. (2007) Changing patterns of type 2 diabetes incidence among Pima Indians. Diabetes Care 30:1758-63
Lachin, John M; Christophi, Costas A; Edelstein, Sharon L et al. (2007) Factors associated with diabetes onset during metformin versus placebo therapy in the diabetes prevention program. Diabetes 56:1153-9

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