Genetic models of Insulin Resistance:Alterations in β-cell biology

作者: Rohit N. Kulkarni , C. Ronald Kahn

DOI: 10.1007/978-1-4615-1669-9_18

关键词: Adipose tissueCell biologyInsulinPolycystic ovarian diseaseInsulin receptorGenetic modelMedicineInsulin receptor substrateType 2 diabetesInsulin resistance

摘要: One of the essential biological actions insulin in mammals is maintenance euglycaemia. This a complex process and involves uptake, storage oxidation glucose skeletal muscle adipose tissues, as well suppression hepatic production. A significant blunting these spite presence normal or even high circulating levels indicates an “insulin resistant” phenotype. variety pathological states including type 2 diabetes, obesity, hypertension, atherosclerosis polycystic ovary disease are characterized by resistance (1-6). In case diabetes it generally accepted that must be accompanied β-cell defect for full development disease. Although there some debate to which two defects primary, longitudinal studies several populations suggest may first detected (2,7,8). The early observed pre-diabetic individuals initially compensated increase secretion islet β-cells could represent either enhanced secretory capacity increased islet/β-cell mass combination both. Over period time, however, compensation fails leading uncontrolled hyperglycaemia overt diabetes.

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