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AIMS Glucagon-like peptide-1 (GLP-1) and gastric inhibitory polypeptide (GIP) are important insulinotropic hormones that enhance the insulin secretory response to feeding. Their potential for treating Type 2 diabetes is limited by short biological half-life owing to degradation by dipeptidyl peptidase IV (DPP IV). We investigated the acute effects of(More)
GLP-1 and GIP are insulin-releasing 'incretin' hormones inactivated following degradation by dipeptidyl peptidase IV. Incretin hormone analogues resistant to degradation by DPP IV, as well as, inhibitors of DPP IV are in development as novel treatments for type 2 diabetes. The biguanide metformin is an oral agent commonly prescribed to treat type 2(More)
Dipeptidyl peptidase (DPP-IV) rapidly metabolizes hormones such as glucagon-like peptide-1(7-36)amide. This study evaluated circulating DPP-IV activity in type 2 diabetic patients in relation to GLP-1 degradation and metabolic control. Blood samples were collected from type 2 diabetic patients in three main categories: good glycaemic control (HbA(1c) <7%,(More)
Dipeptidyl peptidase IV (DPP IV) is the primary inactivator of glucoregulatory incretin hormones. This has lead to development of DPP IV inhibitors as a new class of agents for the treatment of type 2 diabetes. Recent reports indicate that other antidiabetic drugs, such as metformin, may also have inhibitory effects on DPP IV activity. In this investigation(More)
Methods for the synthesis of new three-dimensional facial images from a database of texture-mapped laser-scanned surfaces are described. Four methods are used to create new facial images. The rst constructs average facial images from a sample of faces. The second exaggerates the diierence between a subject and an average to create a caricature. The third(More)
BACKGROUND Nateglinide restores early-phase insulin secretion to feeding and reduces postprandial hyperglycaemia in type 2 diabetes. This study evaluated the effects of nateglinide on dipeptidyl peptidase-IV (DPP-IV) activity and glucose-dependent insulinotropic polypeptide (GIP) degradation. Research design and methods Blood samples were collected from(More)
Glucagon-like peptide-1 (GLP-1) is an important insulinotropic hormone with potential in the treatment of type 2 diabetes. However, the short biological half-life of the peptide after cleavage by dipeptidylpeptidase IV (DPP IV) is a major limitation. Inhibition of DPP IV activity and the development of resistant GLP-1 analogues is the subject of ongoing(More)