Oxytocin and Vasopressin are Present in Human and Rat Pancreas

Immunoreactive oxytocin and vasopressin were found in human and rat pancreatic extracts. The pancreatic oxytocin and vasopressin eluted on Sephadex G-75 gel filtration chromatography and on reverse phase high pressure liquid chromatography in the same positions as their respective reference preparat...

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Bibliographic Details
Published in:The American journal of the medical sciences 1988-11, Vol.296 (5), p.303-307
Main Authors: Amico, Janet A., Finn, Frances M., Haldar, Jaya
Format: Article
Language:English
Subjects:
Adult
Animals
Biological and medical sciences
Chromatography, High Pressure Liquid
Exocrine pancreas
Female
Fundamental and applied biological sciences. Psychology
Humans
Male
Neurohypophysial Peptides
Oxytocin
Oxytocin - analysis
Pancreas
Pancreas - analysis
Pancreatic Extracts - analysis
Rats
Vasopressin
Vasopressins - analysis
Vertebrates: digestive system
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Summary:Immunoreactive oxytocin and vasopressin were found in human and rat pancreatic extracts. The pancreatic oxytocin and vasopressin eluted on Sephadex G-75 gel filtration chromatography and on reverse phase high pressure liquid chromatography in the same positions as their respective reference preparations. The immunoreactive oxytocin was biologically active in the rat milk ejection assay. The presence of oxytocin and vasopressin in human and rat pancreatic extracts suggests the possibility of local synthesis of both hormones. The neurohypophysial hormones are known to be endocrine mediators of insulin and glucagon release. The finding of oxytocin and vasopressin in the pancreas raises the possibility, although yet unproven, of local synthesis and perhaps a paracrine function for the neurohypophysial peptides upon pancreatic hormone release or for a local function upon the liver.
ISSN:0002-9629
1538-2990
DOI:10.1097/00000441-198811000-00003