Intact proinsulin, des 31,32 proinsulin, and specific insulin concentrations among nondiabetic and diabetic subjects in populations at varying risk of type 2 diabetes.
OBJECTIVE: To examine hyperinsulinemia, insulin secretion, and beta-cell function in Pima Indians, South Asians, and whites, populations at varying risk of diabetes. RESEARCH DESIGN AND METHODS: We investigated 136 Pima Indian, 98 Asian, and 80 white nond.....