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Related Experiment Videos

Cholecystokinin and satiation

R J Lieverse1, J B Jansen, C B Lamers

  • 1Department of Gastroenterology-Hepatology, University Hospital Leiden, Netherlands.

The Netherlands Journal of Medicine
|April 1, 1993
PubMed
Summary

Peripheral signals from the gut induce fullness. While cholecystokinin (CCK) may play a role, its physiological significance in satiation and potential for obesity treatment needs more research.

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Area of Science:

  • Gastroenterology and Endocrinology
  • Neuroscience and Gut-Brain Axis Research

Background:

  • Peripheral signals originating from the stomach and small intestine are understood to trigger feelings of fullness (satiation).
  • The humoral nature of these satiation signals is supported by experimental evidence showing transfusion of satiation factors in animals.

Purpose of the Study:

  • To investigate the role of cholecystokinin (CCK) as a potential mediator of satiation signals.
  • To address the controversy regarding whether CCK's effects on satiation and gastric emptying are physiological or pharmacological.
  • To explore the potential therapeutic implications of CCK for obesity treatment.

Main Methods:

  • Review of existing experimental data on the effects of exogenous cholecystokinin (CCK) infusion.
  • Analysis of studies investigating the inhibition of gastric emptying by CCK.
  • Consideration of the significance of endogenous CCK stimulation.

Main Results:

  • Exogenous CCK administration has been shown to induce satiation and slow gastric emptying in experimental models.
  • The precise physiological relevance of these CCK-mediated effects remains a subject of debate.

Conclusions:

  • Cholecystokinin (CCK) is a candidate mediator for peripheral satiation signals.
  • Further research is necessary to determine if CCK's effects are physiological and to evaluate its potential role in managing obesity.

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