Effect of gastric inhibitory polypeptide on plasma levels of chylomicron triglycerides in dogs

T. Wasada, K. McCorkle, V. Harris, K. Kawai, B. Howard, Roger H Unger

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Abstract

To determine whether gastric inhibitory polypeptide (GIP) promotes the clearance of chylomicron triglycerides (TG) from the circulation in dogs, chyle collected from donor dogs via a thoracic duct fistula was infused at a rate of 2 ml/min i.v. into normal recipient dogs during an infusion of either porcine GIP (1 μg/kg per h) or saline as a control. In the GIP-infused dogs the rise in plasma TG was significantly below that of the control animals [mean peak of 36 ± 4 mg/dl vs. 82 ± 18 mg/dl (P <0.05)]. It is concluded that GIP exerts an effect upon the removal of chylomicron TG from the blood. The results suggest that GIP may play a physiologic role in the disposition of ingested fat.

Original languageEnglish (US)
Pages (from-to)1106-1107
Number of pages2
JournalJournal of Clinical Investigation
Volume68
Issue number4
Publication statusPublished - 1981

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ASJC Scopus subject areas

  • Medicine(all)

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