volume 286, issue 2, PE176-E183 2004
DOI: 10.1152/ajpendo.00201.2003
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Abstract: To determine whether the uptake and metabolic partition of glucose are influenced by its delivery route, 12 normal volunteers underwent two 3-h euglycemic (approximately 93 mg/dl) hyperinsulinemic (approximately 43 mU/l) clamps at a 3- to 5-wk interval, one with intravenous (i.v.) and the other with intraduodenal (i.d.) glucose labeled with [3-3H]- and [U-14C]glucose. Systemic glucose was traced with [6,6-2H2]glucose in eight subjects. During the last hour of the clamps, the average glucose infusion rate (5.85…

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