Method for constructing related intestinal canal-pancreatic islet regulation axis function evaluation model and application of model
2013
The invention provides a method for constructing a related intestinal canal-pancreatic islet regulation axis function evaluation model. The method includes: allowing a subject to take different oral hypoglycemic drugs or blank control in different stages, then performing intravenous-oral dual hyperglycemic clamp tests on the subject in each stage, drawing an area under the curve for a serum insulin value, a C-peptide value, a plasma glucagon value and an active glucagon-like polypeptide-1 (GLP-1) value acquired through the dual hyperglycemic clamp tests in each stage, and applying Metlab to perform 3D (three-dimensional surface fitting on the areas under the curve in one-to-one correspondence to obtain the related intestine-pancreas axis function evaluation model. By the method, two-phase insulin secretion patterns in intravenous-oral glucose stimulation states can be evaluated and compared accurately, besides, intestinal canal hormone effect and insulin-glucagon secretion can be related quantitatively, and accordingly an accurate intestine-pancreas axis effect model evaluation system is obtained.
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