title: Effect of misoprostol (PGE1) on glucose metabolism in type-2-diabetic and control subjects.
abstract: In vitro and in vivo studies have demonstrated that prostaglandins of the E series enhance muscle glucose uptake. We examined the effect of acute misoprostol (PGE1) administration on whole body insulin-mediated glucose disposal, as well as the major intracellular pathways of glucose metabolism in type 2 diabetic (n = 10) and non-diabetic (n = 4) subjects. Each subject received two 240-min euglycaemic insulin (40 mU/m2/min) clamp studies with tritiated glucose and indirect calorimetry. During one of the insulin clamp studies, 200 microg of misoprostol was ingested at 90 and 150 min after the start of the insulin infusion. Insulin-mediated total body glucose disposal, glycolysis, glycogenesis and glucose oxidation were similar during the insulin clamp studies performed without and with misoprostol in both the diabetic and non-diabetic groups. These results demonstrate that the acute administration of misoprostol does not enhance insulin-mediated glucose disposal in either type-2-diabetic or non-diabetic subjects.
authors.affiliation: Diabetes Division, Department of Medicine, University of Texas Health Science Center, San Antonio, Texas 78229, USA.
authors.forename: N A
authors.initials: NA
authors.lastname: Lee
authors.forename: M
authors.initials: M
authors.lastname: Matsuda
authors.forename: P
authors.initials: P
authors.lastname: Bressler
authors.forename: T
authors.initials: T
authors.lastname: Pratipanawatr
authors.forename: L
authors.initials: L
authors.lastname: Glass
authors.forename: L J
authors.initials: LJ
authors.lastname: Mandarino
authors.forename: R A
authors.initials: RA
authors.lastname: DeFronzo
mesh_terms: D001786:Blood Glucose / Q000187:drug effects / Q000378:metabolism*; D015992:Body Mass Index; D002784:Cholesterol / Q000097:blood; D008076:Cholesterol, HDL / Q000097:blood; D008078:Cholesterol, LDL / Q000097:blood; D003924:Diabetes Mellitus, Type 2 / Q000097:blood*; D005260:Female; D005951:Glucose Tolerance Test; D006442:Glycated Hemoglobin / Q000378:metabolism; D006801:Humans; D007328:Insulin / Q000097:blood; D008297:Male; D008657:Metabolic Clearance Rate; D008875:Middle Aged; D016595:Misoprostol / Q000097:blood / Q000494:pharmacology*; D012016:Reference Values; D014280:Triglycerides / Q000097:blood
chemical_list: D001786:Blood Glucose; D002784:Cholesterol; D008076:Cholesterol, HDL; D008078:Cholesterol, LDL; D006442:Glycated Hemoglobin; D007328:Insulin; D016595:Misoprostol; D014280:Triglycerides