What does pancreatic polypeptide mean?

Definitions for pancreatic polypeptide

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  1. Pancreatic polypeptide

    Pancreatic polypeptide is a polypeptide secreted by PP cells in the endocrine pancreas predominantly in the head of the pancreas. It consists of 36 amino acids and has molecular weight about 4200 Da. The function of PP is to self-regulate pancreatic secretion activities; it also has effects on hepatic glycogen levels and gastrointestinal secretions. Its secretion in humans is increased after a protein meal, fasting, exercise, and acute hypoglycemia and is decreased by somatostatin and intravenous glucose. Plasma PP has been shown to be reduced in conditions associated with increased food intake and elevated in anorexia nervosa. In addition, peripheral administration of PP has been shown to decrease food intake in rodents. PP is secreted by PP pancreatic cells of Langerhans islets. It stimulates the gastric juice secretion, but inhibits the gastric secretion induced by pentagastrine. It is the antagonist of cholecystokinin and inhibits the pancreatic secretion which was stimulated by cholecystokinin. On fasting, PP seric concentration is 80 pg/ml; after the meal, it rises up from 8 to 10 times more; glucose and fats also induce PP's level increase, but on parenteral introduction of those substances, the level of hormones doesn't change. The administration of atropine, the vagothomy, blocks the PP's after-meal secretion. The excitation of the vagus nerve, the administration of gastrin, secretin or cholecystokinin induce PP secretion.

U.S. National Library of Medicine

  1. Pancreatic Polypeptide

    A 36-amino acid pancreatic hormone that is secreted mainly by endocrine cells found at the periphery of the ISLETS OF LANGERHANS and adjacent to cells containing SOMATOSTATIN and GLUCAGON. Pancreatic polypeptide (PP), when administered peripherally, can suppress gastric secretion, gastric emptying, pancreatic enzyme secretion, and appetite. A lack of pancreatic polypeptide (PP) has been associated with OBESITY in rats and mice.


  1. Chaldean Numerology

    The numerical value of pancreatic polypeptide in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of pancreatic polypeptide in Pythagorean Numerology is: 8

Images & Illustrations of pancreatic polypeptide

  1. pancreatic polypeptidepancreatic polypeptidepancreatic polypeptide


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"pancreatic polypeptide." Definitions.net. STANDS4 LLC, 2018. Web. 22 Apr. 2018. <https://www.definitions.net/definition/pancreatic polypeptide>.

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