Enterostatin (Val-Pro-Asp-Pro-Arg), the activation peptide of procolipase, selectively reduces fat intake.

Abstract

Valine-proline-aspartate-proline-arginine (VPDPR), the amino terminal pentapeptide of pancreatic procolipase, produced a dose-dependent reduction in food intake when injected intraperitoneally into Osborne-Mendel rats that had been starved overnight. This inhibition of feeding was observed when the rats were fed a high-fat diet but not in rats fed a high-carbohydrate, low-fat diet. At higher doses of VPDPR, the inhibition of feeding was maintained for over 6 hours. An equimolar mixture of the free amino acids had no effect on food intake. In rats adapted to a three-choice macronutrient diet, VPDPR inhibited fat intake but had no effect on carbohydrate or protein intake. This selective inhibition of fat intake was observed in both overnight-fasted rats presented with food and in ad-lib-fed rats at the beginning of the dark-onset feeding period. It is suggested that this peptide may be a feedback signal to regulate the intake of dietary fat.

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@article{Okada1991EnterostatinT, title={Enterostatin (Val-Pro-Asp-Pro-Arg), the activation peptide of procolipase, selectively reduces fat intake.}, author={Shuichi Okada and David A. York and G. A. Bray and Ch Erlanson-Albertsson}, journal={Physiology & behavior}, year={1991}, volume={49 6}, pages={1185-9} }