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GIP Receptor Distribution GIP receptors are found in your pancreas (beta cells and alpha cells), fat tissue (adipocytes), bone, brain (limited distribution compared to GLP-1), stomach, and intestines

It is well-established that elevated peripheral insulin levels can modify insulin receptor expression and affect insulin sensitivity in skeletal muscle and adipose tissue (35)

(2014) Establishment of a Selective Evaluation Method for DPP4 Inhibitors Based on Recombinant Human DPP8 And DPP9 Proteins

Role of duodenal lipid and cholecystokinin A receptors in the pathophysiology of functional dyspepsia

Yes, but the conversion is not one-to-one

Nausea ranged from approximately 11% at the lowest 1 mg dose to 64% in some intermediate-dose arms, with about 33% in the 9 mg fixed-dose (highest-efficacy) arm