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  • Title: Pancreatic regeneration after partial pancreatectomy.
    Author: Parekh D, Townsend CM, Rajaraman S, Ishizuka J, Thompson JC.
    Journal: Am J Surg; 1991 Jan; 161(1):84-8; discussion 88-9. PubMed ID: 1702941.
    Abstract:
    The ability of the pancreas to regenerate and the effects of trophic hormones on regeneration of the pancreas after partial pancreatectomy are not completely understood. We investigated the effects of the trypsin inhibitor FOY-305 (an agent that stimulates endogenous cholecystokinin) on pancreatic regeneration after partial pancreatectomy in rats. FOY-305 or water was administered for either 13 days or 27 days by gavage feeding, after sham operation or partial pancreatectomy (n = 6 to 8 animals per group). FOY-305 stimulated hypertrophy of the pancreatic remnant at 13 days; prolonged treatment for 27 days produced both hypertrophy and hyperplasia. The magnitude of pancreatic growth after FOY-305 administration was significantly greater at 27 days in the pancreatic remnant than growth of the equivalent pancreatic segment (duodenal and parabiliary) in sham-operated rats treated with FOY-305. Our results suggest that endogenous cholecystokinin released by FOY-305 stimulates regeneration after partial pancreatectomy. The pancreatic remnant is more sensitive to trophic stimulation in comparison to the normal pancreas. FOY-305 may be a useful agent in the treatment of pancreatic insufficiency after extensive subtotal pancreatectomy or chronic pancreatitis.
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