Gastric inhibitory polypeptide release into the portal vein in response to intraduodenal glucose loads in anesthetized rats. 1981

T B Schulz, and P G Burhol, and R Jorde, and H L Waldum

Gastric inhibitory polypeptide (GIP) release into the portal vein in response to duodenal instillation of glucose in doses of 0.695, 1.39, 2.78 and 5.56 mmol/kg body weight was studied in an acute condition in male Wistar rats. A rapid, dose-dependent, and significant rise in portal vein plasma GIP was found in response to increasing duodenal glucose loads, which could be described by Michaelis-Menten kinetics. It is suggested that the glucose-induced GIP release into the portal vein mainly is effected first after glucose has gained access inside the mucosal cells.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D011169 Portal Vein A short thick vein formed by union of the superior mesenteric vein and the splenic vein. Portal Veins,Vein, Portal,Veins, Portal
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
D005749 Gastric Inhibitory Polypeptide A gastrointestinal peptide hormone of about 43-amino acids. It is found to be a potent stimulator of INSULIN secretion and a relatively poor inhibitor of GASTRIC ACID secretion. Glucose-Dependent Insulinotropic Peptide,Gastric-Inhibitory Polypeptide,Glucose Dependent Insulinotropic Peptide,Glucose-Dependent Insulin-Releasing Peptide,Glucose Dependent Insulin Releasing Peptide,Inhibitory Polypeptide, Gastric,Insulin-Releasing Peptide, Glucose-Dependent,Insulinotropic Peptide, Glucose-Dependent,Peptide, Glucose-Dependent Insulin-Releasing,Peptide, Glucose-Dependent Insulinotropic,Polypeptide, Gastric Inhibitory,Polypeptide, Gastric-Inhibitory
D005768 Gastrointestinal Hormones HORMONES secreted by the gastrointestinal mucosa that affect the timing or the quality of secretion of digestive enzymes, and regulate the motor activity of the digestive system organs. Enteric Hormone,Enteric Hormones,Gastrointestinal Hormone,Intestinal Hormone,Intestinal Hormones,Hormone, Enteric,Hormone, Gastrointestinal,Hormone, Intestinal,Hormones, Enteric,Hormones, Gastrointestinal,Hormones, Intestinal
D005947 Glucose A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement. Dextrose,Anhydrous Dextrose,D-Glucose,Glucose Monohydrate,Glucose, (DL)-Isomer,Glucose, (alpha-D)-Isomer,Glucose, (beta-D)-Isomer,D Glucose,Dextrose, Anhydrous,Monohydrate, Glucose
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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