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Insulin resistance is characterized by increased metabolic uptake of fatty acids. Accordingly, techniques to examine in vivo shifts in fatty acid metabolism are of value in both clinical and experimental settings. Partially metabolizable long chain fatty acid (LCFA) tracers have been recently developed and employed for this purpose: [9,10-3H]-(R)-2-bromopalmitate ([3H]-BROMO) and [125I]-15-(ρ-iodophenyl)-3-...
The purpose of the present study was to assess whether physiological portal vein hyperinsulinemia stimulates gut glucose absorption in vivo. Chronically catheterized (femoral artery, portal vein, inferior vena cava, and proximal and distal duodenum) and instrumented (Doppler flow probe on portal vein) insulin (INS, 2 mU . kg -1 . min -1 , n = 6) or saline (SAL, n = 5) infused...
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