Brain-gut peptides and the renal hemodynamic response to an oral protein load: a study of gastrin, bombesin, and glucagon in man. 1992

N G De Santo, and G Capasso, and P Anastasio, and S Coppola, and L Bellini, and A Lombardi
Department of Pediatrics, Università Federico II, Naples, Italy.

With the aim of disclosing a possibility for gastrin and bombesin to participate in the postprandial regulation of the renal hemodynamic response, 10 healthy males were studied before and after a meat meal (2 g/kg BW of proteins as cooked red meat). We evaluated the time course changes of glomerular filtration rate (GFR) renal plasma flow (RPF), and the plasma concentrations of gastrin, bombesin, glucagon, and total amino acids. After the meat meal a significant increase in GFR and RPF was seen, within 30 min, along with an increase in plasma gastrin and glucagon. Bombesin and amino acid concentrations increased at a later time. The data suggest but cannot demonstrate a causal role for gastrin and glucagon in the genesis of the hyperfiltration response to acute protein administration.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D001839 Bombesin A tetradecapeptide originally obtained from the skins of toads Bombina bombina and B. variegata. It is also an endogenous neurotransmitter in many animals including mammals. Bombesin affects vascular and other smooth muscle, gastric secretion, and renal circulation and function. Bombesin 14,Bombesin Dihydrochloride,Dihydrochloride, Bombesin
D004044 Dietary Proteins Proteins obtained from foods. They are the main source of the ESSENTIAL AMINO ACIDS. Proteins, Dietary,Dietary Protein,Protein, Dietary
D005755 Gastrins A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. Gastrin
D005934 Glucagon A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511) Glucagon (1-29),Glukagon,HG-Factor,Hyperglycemic-Glycogenolytic Factor,Proglucagon (33-61),HG Factor,Hyperglycemic Glycogenolytic Factor
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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